Adesão à técnica de higiene das mãos: estudo observacional / Adhesión a la técnica de higiene de manos: estudio observacional / Adherence to hand hygiene technique: an observational study

Resumo Objetivo Verificar a adesão e a qualidade da técnica de higiene das mãos realizada por profissionais de saúde nos momentos preconizados e identificar os fatores impactantes. Métodos Estudo observacional, com 41 profissionais de Unidade de Terapia Intensiva Adulto de um hospital de ensino brasileiro. A coleta de dados foi de setembro a dezembro de 2021, utilizando questionário sociodemográfico e formulário de observação da Organização Mundial da Saúde. Foram aplicados testes estatísticos de análise binomial e modelo de regressão logística de efeitos mistos e adotou-se nível de significância de 0,05. Resultados Um total de 1.055 oportunidades de Higiene das Mãos foram observadas, a taxa de adesão foi de 23,98% e pode-se verificar que os profissionais não executaram a técnica preconizada. O teste binomial verificou maior adesão aos momentos "após" quando comparados aos momentos "antes" (p< 0,001) e foi constatado impacto negativo do uso de luvas (p< 0,001). O modelo logístico reforçou a maior adesão nos momentos "após". Ainda que a adesão esteja baixa entre todas as categorias profissionais, o modelo logístico demonstrou mais chances de higiene das mãos pelos enfermeiros. Conclusão A adesão à higiene das mãos foi consideravelmente baixa principalmente considerando a técnica adequada. Foi verificado impacto negativo do uso de luvas na adesão higiene das mãos. Os profissionais demonstraram maiores chances de aderirem a higiene das mãos nos momentos "após" quando comparados aos momentos "antes".

Resumen Objetivo Verificar la adhesión y la calidad de la técnica de higiene de manos realizada por profesionales de la salud en los momentos recomendados e identificar los factores impactantes. Métodos Estudio observacional con 41 profesionales de una unidad de cuidados intensivos adulta de un hospital universitario brasileño. La recopilación de datos se realizó de septiembre a diciembre de 2021, mediante un cuestionario sociodemográfico y un formulario de observación de la Organización Mundial de la Salud. Se aplicaron pruebas estadísticas de análisis binominal y el modelo de regresión logística de efectos mixtos, y se adoptó un nivel de significación de 0,05. Resultados Se observó un total de 1.055 oportunidades de higiene de manos. El índice de adhesión fue del 23,98 % y se pudo verificar que los profesionales no ejecutan la técnica recomendada. La prueba binominal verificó una mayor adhesión en los momentos "después" comparado con los momentos "antes" (p<0,001) y se constató un impacto negativo del uso de guantes (p<0,001). El modelo logístico reforzó la mayor adhesión en los momentos "después". Aunque la adhesión sea baja en todas las categorías profesionales, el modelo logístico demostró mayor probabilidad de higiene de manos por parte de los enfermeros. Conclusión La adhesión a la higiene de manos fue considerablemente baja, sobre todo si se considera la técnica adecuada. Se verificó un impacto negativo del uso de guantes en la adhesión a la higiene de manos. Los profesionales demostraron mayores probabilidades de adhesión a la higiene de manos en los momentos "después" comparado con los momentos "antes".

Abstract Objective To verify adherence and quality of hand hygiene techniques performed by health professionals at recommended times and identify impacting factors. Methods This is an observational study, with 41 professionals from the Adult Intensive Care Unit of a Brazilian teaching hospital. Data collection took place from September to December 2021, using a sociodemographic questionnaire and observation form from the World Health Organization. Statistical tests of binomial analysis and mixed-effects logistic regression model were applied, and a significance level of 0.05 was adopted. Results A total of 1,055 hand hygiene opportunities were observed; the adherence rate was 23.98%; and it can be seen that professionals did not perform the recommended technique. The binomial test verified greater adherence to moments "after" when compared to moments "before" (p< 0.001) and a negative impact of using gloves was found (p< 0.001). The logistical model reinforced greater adherence in moments "after". Even though adherence is low among all professional categories, the logistical model demonstrated more chances of hand hygiene by nurses. Conclusion Adherence to hand hygiene was considerably low, especially considering the appropriate technique. A negative impact of using gloves on hand hygiene adherence was verified. Professionals demonstrated greater chances of adhering to hand hygiene in the moments "after" when compared to moments "before".

Contamination of equipment and surfaces in the operating room anesthesia workspace: a cross-sectional study

ABSTRACT BACKGROUND: Contamination of the breathing circuit and medication preparation surface of an anesthesia machine can increase the risk of cross-infection. OBJECTIVE: To evaluate the contamination of the anesthetic medication preparation surface, respiratory circuits, and devices used in general anesthesia with assisted mechanical ventilation. DESIGN AND SETTING: Cross-sectional, quantitative study conducted at the surgical center of a philanthropic hospital, of medium complexity located in the municipality of Três Lagoas, in the eastern region of the State of Mato Grosso do Sul. METHODS: Eighty-two microbiological samples were collected from the breathing circuits. After repeating the samples in different culture media, 328 analyses were performed. RESULTS: A higher occurrence of E. coli, Enterobacter spp., Pseudomonas spp., Staphylococcus aureus, and Streptococcus pneumoniae (P < 0.001) were observed. Variations were observed depending on the culture medium and sample collection site. CONCLUSION: The study findings underscore the inadequate disinfection of the inspiratory and expiratory branches, highlighting the importance of stringent cleaning and disinfection of high-touch surfaces.

Luz UVC como estratégia de desinfecção do ar e superfícies hospitalares / Luz UV-C como estrategia de desinfección del aire y superficies hospitalarias / UVC light as a strategy for disinfection of hospital air and surfaces

Resumo Objetivo Avaliar a eficácia antimicrobiana de um dispositivo fixo emissor de luz UV-C na desinfecção de diferentes superfícies do ambiente hospitalar e sua eficácia antifúngica na qualidade do ar. Métodos Estudo quase-experimental realizado em uma unidade de internação hospitalar, que utilizou o Bioamostrador de ar Andersen® de seis estágios para análise do ar; e na avaliação das superfícies, utilizaram-se três suspensões de microrganismos (Acinetobacter sp. MDR, Escherichia coli e Klebsiella pneumoniae produtora de KPC) para contaminar o ambiente. Para ambos foram feitas coletas pré (controle) e pós-acionamento da luz UV-C (teste). Resultados Na avaliação do ar houve uma redução importante da contagem de colônias após a luz UV-C e não foram encontrados fungos patogênicos ou toxigênicos em nenhum dos dois momentos. Em relação à desinfecção das superfícies, nenhum crescimento bacteriano foi observado após a intervenção da luz, demonstrando 100% de inativação bacteriana nas condições testadas. Conclusão A utilização da tecnologia com emissão de luz UV-C fixa foi eficaz e pode ser considerada uma intervenção promissora para protocolos de desinfecção de superfícies hospitalares.

Resumen Objetivo Evaluar la eficacia antimicrobiana de un dispositivo fijo emisor de luz UV-C para la desinfección de diferentes superficies del ambiente hospitalario y su eficacia antifúngica en la calidad del aire. Métodos Estudio cuasi experimental realizado en una unidad de internación hospitalaria, en que se utilizó el biomuestreador de aire Andersen® de seis etapas para el análisis del aire. En el análisis de las superficies, se utilizaron tres suspensiones de microorganismos (Acinetobacter sp. MDR, Escherichia coli y Klebsiella pneumoniae productora de KPC) para contaminar el ambiente. En ambos se tomó una muestra antes (control) y después de accionar la luz UV-C (prueba). Resultados En el análisis del aire hubo una reducción importante del recuento de colonias después de la luz UV-C y no se encontraron hongos patógenos ni toxigénicos en ninguno de los dos momentos. Con relación a la desinfección de las superficies, no se observó ningún crecimiento bacteriano después de la intervención de la luz, lo que demuestra un 100 % de inactivación bacteriana en las condiciones analizadas. Conclusión El uso de la tecnología con emisión de luz UV-C fija fue eficaz y puede ser considerada una intervención prometedora para protocolos de desinfección de superficies hospitalarias.

Abstract Objective To evaluate a fixed UV-C light emitting device for its antimicrobial effectiveness in the disinfection of distinct surfaces and its antifungal effectiveness on air quality in the hospital environment. Methods This quasi-experimental study was conducted in a hospital inpatient unit, in which a six-stage air Biosampler (Andersen®) was used for air analysis. In the evaluation of surfaces, three suspensions of microorganisms (Acinetobacter sp. multidrug-resistant, Escherichia coli, and KPC-producing Klebsiella pneumoniae) were used to contaminate the environment. In both evaluations, pre- (control) and post-activation of UV-C light (test) collections were made. Results In the air evaluation, an important reduction was observed in the colony count after irradiation with UV-C light, and pathogenic or toxigenic fungi were not found in either of the two moments. Regarding the disinfection of surfaces, no bacterial growth was observed after the application of UV-C light, showing 100% bacterial inactivation under the tested conditions. Conclusion The use of fixed UV-C light emission technology was effective and can be considered a promising intervention for hospital surface disinfection protocols.

The Role of Socioeconomic and Health Services Organizational Factors on Infection Control Structure Score, Brazil / O Papel dos Fatores Socioeconômicos e de Organização dos Serviços de Saúde sobre o Escore da Estrutura de Controle de Infecção, Brasil

Abstract This study aimed to analyze possible associations between the Infection Control Structure Score (ICSS), health services, and social characteristics of the municipalities in Brazil. Secondary data from the third cycle 2017-2018 of the Brazilian National Program for Improving Primary Care Access and Quality (PMAQ) was analyzed. Six independent variables - FIRJAN Index of Municipal Development, number of inhabitants, number of family health teams receiving a financial incentive from the federal government, healthcare expenditure per capita, and number of Oral Health Teams modalities 1 and 2 - were included to assess their influence on ICSS, measured for each Brazilian town. Data analysis used the Classification and Regression Tree model performed with IBM SPSS 25. A total of 4,900 municipalities were included, and the mean ICSS was 0.905 (±0.092). A positive relationship was observed between healthcare expenditure per capita, municipal development, and the outcome. Conversely, towns with a higher number of family health teams receiving a financial incentive from the federal government showed lower mean ICSS. The findings suggest that inequalities in the infection control structures exist within the country, and they were related to the health services and social characteristics of the municipalities.

Resumo Este estudo objetivou analisar as possíveis associações entre o Escore da Estrutura de Controle de Infecção (EECI), os serviços de saúde e características sociais dos municípios brasileiros. Foram analisados dados secundários do terceiro ciclo 2017-2018 do Programa Nacional de Melhoria do Acesso e Qualidade da Atenção Básica (PMAQ). Seis variáveis independentes - Índice FIRJAN de Desenvolvimento Municipal, número de habitantes, número de Equipes de Saúde da Família que recebiam incentivo financeiro do governo federal, gasto com saúde per capita e número de Equipes de Saúde Bucal modalidades 1 e 2 - foram incluídas para avaliar a influência sobre o EECI, medido para cada município brasileiro. Para a análise dos dados, foi utilizado o modelo de Árvore de Classificação e Regressão no IBM SPSS 25. Foram incluídos 4.900 municípios, e o EECI médio foi de 0,905 (±0,092). Observou-se uma associação positiva entre o gasto com saúde per capita, o desenvolvimento municipal e o desfecho. Por outro lado, municípios com maior número de Equipes de Saúde da Família com incentivo financeiro do governo federal apresentaram menor média do EECI. Os achados sugerem que existem desigualdades nas estruturas de controle de infecções no país, relacionadas aos serviços de saúde e às características sociais dos municípios.

Factores asociados a la infección por SARS-CoV-2 en profesionales de la salud de hospitales universitarios / Factors associated with the SARS-CoV-2 infection among health professionals from university hospitals / Fatores associados à infecção por SARS-CoV-2 entre profissionais da saúde de hospitais universitários

Objetivo: investigar los factores asociados a la infección por SARSCoV-2 en los profesionales de la salud de hospitales universitarios. Método: estudio multicéntrico, con abordaje mixto con estrategia incorporada concomitante, realizado con 559 profesionales en la etapa cuantitativa, y 599 en la etapa cualitativa. Fueron utilizados cuatro instrumentos de recolección de datos, aplicados a través un formulario electrónico. El análisis cuantitativo se realizó mediante estadística descriptiva e inferencial y los datos cualitativos mediante análisis de contenido Resultados: los factores asociados a la infección fueron: realización de la prueba "RT-PCR" (p<0,001) y unidades que atienden a pacientes con COVID-19 (p=0,028). Tener síntomas aumentó la prevalencia de infección 5,63 veces y cumplir la mayor parte del tiempo con el distanciamiento social en la vida privada la redujo un 53,9%. Los datos cualitativos mostraron las dificultades que enfrentaron los profesionales: escasez y baja calidad de equipos de protección personal, sobrecarga de trabajo, distanciamiento físico en el trabajo, procesos y rutinas inadecuados y la ausencia de una política de triage y testeo masivos. Conclusión: los factores asociados a la infección por SARS-CoV-2 en los profesionales de la salud se relacionaron mayormente con cuestiones laborales.

Objective: to investigate factors associated with the SARS-CoV-2 infection among health professionals from university hospitals. Method: a multicenter, mixed approach study with concomitant incorporated strategy, carried out with 559 professionals in the quantitative stage, and 599 in the qualitative stage. Four data collection instruments were used, applied by means of an electronic form. The quantitative analysis was performed with descriptive and inferential statistics and the qualitative data were processed by means of content analysis. Results: the factors associated with the infection were as follows: performance of the RT-PCR test (p<0.001) and units offering care to COVID-19 patients (p=0.028). Having symptoms increased 5.63 times the prevalence of infection and adhering to social distancing most of the time in private life reduced it by 53.9%. The qualitative data evidenced difficulties faced by the professionals: scarcity and low quality of Personal Protective Equipment, work overload, physical distancing at work, inadequate processes and routines and lack of a mass screening and testing policy. Conclusion: the factors associated with the SARS-CoV-2 infection among health professionals were mostly related to occupational issues.

Objetivo: investigar fatores associados à infecção por SARS-CoV-2 entre profissionais da saúde de hospitais universitários. Método: estudo multicêntrico, de abordagem mista com estratégia incorporada concomitante, realizado com 559 profissionais na etapa quantitativa, e 599 na etapa qualitativa. Foram utilizados quatro instrumentos de coleta de dados, aplicados via formulário eletrônico. A análise quantitativa foi realizada com estatística descritiva e inferencial e os dados qualitativos por meio de análise de conteúdo. Resultados: os fatores associados à infeção foram: realização de teste "RT-PCR" (p<0,001) e unidades com atendimento a pacientes com COVID-19 (p=0,028). Ter sintomas aumentou em 5,63 vezes a prevalência de infeção e aderir ao distanciamento social na maior parte do tempo na vida particular reduziu em 53,9%. Dados qualitativos evidenciaram dificuldades enfrentadas pelos profissionais: escassez e baixa qualidade de equipamentos de proteção individual, sobrecarga de trabalho, distanciamento físico no trabalho, processos e rotinas inadequadas e ausência de uma política de triagem e testagem em massa. Conclusão: os fatores associados à infecção por SARS-CoV-2 entre profissionais da saúde foram em sua maioria relacionados a questões ocupacionais.

Safety of nursing professionals and patient facing COVID-19 pandemic in critical care unit / Segurança dos profissionais de enfermagem e do paciente frente à pandemia da COVID-19 em unidades críticas / Seguridad de los profesionales de enfermería y del paciente ante la pandemia de COVID-19 en unidades críticas

Abstract Objective: to evaluate nursing professionals and patient safety culture during the professional performance in the care of suspected or infected patients with COVID-19. Method: a cross-sectional study carried out with 90 professionals from critical care units of two teaching hospitals. An instrument for sociodemographic characterization and health conditions was used, in addition to the constructs "Nursing professional and patient safety" and the Hospital Survey on Patient Safety Culture. Univariate analyzes were performed between the diagnosis of COVID-19 and the characteristics of Nursing professionals, applying Kendell's correlation between the constructs. Results: the COVID-19 diagnosis presented a significant statistical difference between nursing professionals that worked for more than six years at the critical care unit (p=0.020) and the items of the construct "Nursing professional and patient safety" regarding the doubts about how to remove the personal protective equipment (p=0.013) and safety flow (p=0,021). The dimensions 2 (p=0.003), 3 (p=0.009), 4 (p=0.013), 6 (p<0.001), and 9 (p=0.024) of the Hospital Survey on Patient Safety Culture were associated with the accomplishment of training. Conclusion: a higher professional nursing experience time was associated with non-infection by COVID-19. The perception of the safety culture of the patient was related to the accomplishment of training.

Resumo Objetivo: avaliar a segurança dos profissionais de enfermagem e a cultura de segurança do paciente durante a atuação profissional no atendimento de pacientes suspeitos ou com COVID-19. Método: estudo transversal realizado com 90 profissionais de unidades críticas de dois hospitais-escola. Foi utilizado um instrumento para caracterização sociodemográfica e condições de saúde, além dos constructos "Segurança do profissional e do paciente" e Hospital Survey on Patient Safety Culture. Foram realizadas análises univariadas entre o diagnóstico de COVID-19 e as características dos profissionais, aplicando-se a correlação de Kendell entre os constructos. Resultados: o diagnóstico de COVID-19 apresentou diferença estatisticamente significativa entre os profissionais que trabalhavam há mais de seis anos na unidade (p=0,020) e os itens do constructo "Segurança do profissional e do paciente" referentes às dúvidas sobre como retirar o equipamento de proteção individual (p=0,013) e fluxo seguro (p=0,021). As dimensões 2 (p=0,003), 3 (p=0,009), 4 (p=0,013), 6 (p<0,001) e 9 (p=0,024) do Hospital Survey on Patient Safety Culture foram associadas à realização de treinamentos. Conclusão: maior tempo de experiência profissional do profissional de enfermagem esteve associado a não infecção por COVID-19. A percepção de cultura de segurança do paciente esteve relacionada à realização de treinamentos.

Resumen Objetivo: evaluar la seguridad de los profesionales de enfermería y la cultura de seguridad del paciente durante su actuación profesional en el cuidado de pacientes sospechosos o con COVID-19. Método: estudio transversal realizado con 90 profesionales de unidades críticas de dos hospitales universitarios. Se utilizó un instrumento de caracterización sociodemográfica y de condiciones de salud, además de los constructos "Seguridad del profesional y del paciente" y Hospital Survey on Patient Safety Culture. Se realizaron análisis univariados entre el diagnóstico de COVID-19 y las características de los profesionales y se aplicó la correlación de Kendell entre los constructos. Resultados: el diagnóstico de COVID-19 mostró diferencia estadísticamente significativa entre los profesionales que actuaron por más de seis años en la unidad (p=0,020) y los ítems del constructo "Seguridad del profesional y del paciente" referentes a dudas sobre cómo retirar el Equipo de Protección Personal (p=0,013) y flujo seguro (p=0,021). Las dimensiones 2 (p=0,003), 3 (p=0,009), 4 (p=0,013), 6 (p<0,001) y 9 (p=0,024) del Hospital Survey on Patient Safety Culture se asociaron a la realización de formación. Conclusión: mayor tiempo de experiencia profesional de enfermería se asoció con la no infección por COVID-19. La percepción de la cultura de seguridad del paciente se relacionó con la realización de entrenamiento.

High-risk clones of ESBL-producing Klebsiella pneumoniae colonizing ICU patients in Natal, northeastern Brazil / Clones de alto risco de Klebsiella pneumoniae produtores de ESBL colonizando pacientes de UTI em Natal, Nordeste do Brasil / Clones de alto riesgo de Klebsiella pneumoniae productores de BLEE que colonizan pacientes de UCI en Natal, noreste de Brasil

Background and objectives: colonization by extended-spectrum ß-lactamase (ESBL)-producing Klebsiella pneumoniae in Intensive Care Unit (ICU) patients is considered a risk factor for infections, and poses as a source of spreading these strains in hospital facilities. This study aimed to perform the genetic characterization of ESBL-producing K. pneumoniae isolates recovered from surveillance swabs in an ICU in northeastern Brazil. Methods: the isolates were recovered between 2018-2019 from the nasal, axillary, and rectal sites of 24 patients admitted to the ICU. Bacterial identification was performed by traditional biochemical tests. Antimicrobial susceptibility was assessed by disk diffusion, and ESBL phenotype was detected by double-disc synergy test. Polymerase chain reaction (PCR) for blaCTX-M, blaSHV, and blaTEM genes, PFGE, and MLST were carried out in representative isolates. Results: a total of 27 isolates were recovered from 18 patients (75%). The ESBL production was detected in 85% of isolates. Resistance to ciprofloxacin, sulfamethoxazole/trimethoprim and most of the ß-lactams tested was recurrent, except for carbapenems. The blaSHV, blaTEM, and blaCTX-M genes were found in high frequency, and the CTX-M-(1, 2 and 9) groups were identified. Seven sequence types (ST11, ST14, ST17, ST395, ST709, ST855, and ST3827) were described, most of them considered high-risk. Conclusion: these findings emphasize the potential threat of well-established high-risk clones in an ICU, and highlight the importance of monitoring these clones to prevent infections.(AU)

Justificativa e objetivos: a colonização por Klebsiella pneumoniae produtora de ß-lactamase de espectro estendido (ESBL) em pacientes de Unidade de Terapia Intensiva (UTI) é considerada um fator de risco para infecções, e representa uma fonte de disseminação dessas cepas em instalações hospitalares. Este estudo objetivou realizar a caracterização genética de isolados de K. pneumoniae produtores de ESBL recuperados de swabs de vigilância em uma UTI no Nordeste do Brasil. Métodos: os isolados foram recuperados entre 2018-2019 dos sítios nasal, axilar e retal de 24 pacientes internados na UTI. A identificação bacteriana foi realizada por testes bioquímicos tradicionais. A suscetibilidade antimicrobiana foi avaliada por disco-difusão, e o fenótipo ESBL foi detectado pelo teste de sinergia de duplo-disco. Polymerase chain reaction (PCR) para os genes blaCTX-M, blaSHV e blaTEM, PFGE e MLST foram realizados em isolados representativos. Resultados: foram recuperados 27 isolados de 18 pacientes (75%). A produção de ESBL foi detectada em 85% dos isolados. A resistência à ciprofloxacina, sulfametoxazol/trimetoprima e à maioria dos ß-lactâmicos testados foi recorrente, exceto para os carbapenêmicos. Os genes blaSHV, blaTEM e blaCTX-M foram encontrados em alta frequência, e os grupos CTX-M-(1, 2 e 9) foram identificados. Sete sequence types (ST11, ST14, ST17, ST395, ST709, ST855 e ST3827) foram descritos, a maioria deles considerados de alto risco. Conclusão: esses achados enfatizam a ameaça potencial de clones de alto risco bem estabelecidos em uma UTI, e destacam a importância do monitoramento desses clones para prevenir infecções.(AU)

Justificación y objetivos: la colonización por Klebsiella pneumoniae productora de ß-lactamasas de espectro extendido (BLEE) en pacientes de Unidades de Cuidados Intensivos (UCI) se considera un factor de riesgo para infecciones, y se presenta como una fuente de propagación de estas cepas en instalaciones hospitalarias. Este estudio tuvo como objetivo realizar la caracterización genética de aislamientos de K. pneumoniae productores de BLEE recuperados de hisopos de vigilancia en una UCI en el noreste de Brasil. Métodos: los aislamientos se recuperaron entre 2018-2019 de sitios nasales, axilares y rectales de 24 pacientes ingresados en la UCI. La identificación bacteriana se realizó mediante pruebas bioquímicas tradicionales. La susceptibilidad antimicrobiana se evaluó mediante difusión en disco, y el fenotipo BLEE se detectó mediante la prueba de sinergia de doble-disco. La polymerase chain reaction (PCR) para los genes blaCTX-M, blaSHV y blaTEM, PFGE y MLST se llevaron a cabo en aislamientos representativos. Resultados: se recuperaron 27 aislamientos de 18 pacientes (75%). La producción de ESBL se detectó en 85% de los aislamientos. La resistencia a ciprofloxacino, sulfametoxazol/trimetoprima y a la mayoría de los ß-lactámicos evaluados fue recurrente, excepto a los carbapenémicos. Los genes blaSHV, blaTEM y blaCTX-M se encontraron en alta frecuencia, y se identificaron los grupos CTX-M-(1, 2 y 9). Se describieron siete sequence types (ST11, ST14, ST17, ST395, ST709, ST855 y ST3827), la mayoría consideradas de alto riesgo. Conclusión: estos hallazgos enfatizan la amenaza potencial de los clones de alto riesgo bien establecidos en una UCI, y resaltan la importancia de monitorear estos clones para prevenir infecciones.(AU)

Recommendations on specific precautions for companions/ visitors of patients hospitalized: characteristics and barriers to implementation / Recomendações sobre precauções específicas para acompanhantes/visitantes de pacientes hospitalizados: características e barreiras para implementação / Recomendaciones sobre precauciones específicas para acompanhantes/visitantes de pacientes hospitalizados: características y barreras para su implementación

Justification and Objectives: despite the importance of companions/visitors for hospitalized patients under specific precautions, it is noted that risks of exposure and dissemination of microorganisms in health services by this population are still incipient in the literature. Thus, the objective was to characterize the current recommendations on specific precautions for companions and visitors of hospitalized patients and to analyze the barriers to their implementation from infection preventionists' perspective. Methods: a descriptive and exploratory study with a quantitative approach, with 89 infection preventionists, between March and June 2020. Data collected by electronic questionnaire, "snowball" sampling and analyzed according to frequency of responses. Results: hand hygiene was the most recommended recommendation (>95.0%). As for non-conformities, staying in the room without attire (78.6%), going to other rooms (53.9%) and keeping doors open as aerosol precaution (51.7%) stood out. Regarding the strategies adopted to guide companions/visitors, there was a predominance of individual verbal guidance (92.4%). The main barrier cited was the lack of institutional policy (56.2%). Conclusion: there was no uniformity in the recommendations, and non-conformities and barriers were listed. The importance of specific prevention guidelines for this public and effective educational strategies for its implementation are highlighted.(AU)

Justificativa e Objetivos: apesar da importância dos acompanhantes/visitantes para pacientes hospitalizados em precauções específicas, nota-se que os riscos de exposição e disseminação de microrganismos nos serviços de saúde por essa população ainda são incipientes na literatura. Dessa forma, objetivou-se caracterizar as recomendações vigentes sobre precauções específicas para acompanhantes e visitantes de pacientes hospitalizados e analisar as barreiras para a sua implementação sob a ótica de prevencionistas de infecção. Métodos: estudo descritivo e exploratório, de abordagem quantitativa, com 89 prevencionistas de infecção, entre março e junho de 2020. Dados coletados por questionário eletrônico, com amostragem tipo "bola de neve" e analisados segundo frequência das respostas. Resultados: a higienização das mãos foi a recomendação mais indicada (>95,0%). Quanto às não conformidades, destacou-se permanecer no quarto sem paramentação (78,6%), frequentar outros quartos (53,9%) e manter portas abertas em precaução para aerossóis (51,7%). Referente às estratégias adotadas para a orientar os acompanhantes/visitantes, houve predomínio da orientação verbal individual (92,4%). A principal barreira citada foi a falta de política institucional (56,2%). Conclusão: não houve uniformidade nas recomendações, e não conformidades e barreiras foram elencadas. Destaca-se a importância de diretrizes de prevenção específicas para esse público e estratégias educativas efetivas para sua implementação.(AU)

Justificación y Objetivos: a pesar de la importancia de los acompañantes/visitantes para pacientes hospitalizados bajo precauciones específicas, se advierte que los riesgos de exposición y diseminación de microorganismos en los servicios de salud por parte de esta población son aún incipientes en la literatura. Así, el objetivo fue caracterizar las recomendaciones vigentes sobre precauciones específicas para acompañantes y visitantes de pacientes hospitalizados y analizar las barreras para su implementación desde la perspectiva de los preventivos de infecciones. Métodos: estudio descriptivo y exploratorio con enfoque cuantitativo, con 89 prevencionistas de infecciones, entre marzo y junio de 2020. Datos recolectados por cuestionario electrónico, muestreo "bola de nieve" y analizados según frecuencia de respuestas. Resultados: la higiene de manos fue la recomendación más recomendada (>95,0%). En cuanto a las no conformidades, se destacó permanecer en la habitación sin atuendo (78,6%), ir a otras habitaciones (53,9%) y mantener las puertas abiertas como precaución contra los aerosoles (51,7%). En cuanto a las estrategias adoptadas para orientar a los acompañantes/visitantes, hubo predominio de la orientación verbal individual (92,4%). La principal barrera citada fue la falta de política institucional (56,2%). Conclusión: no hubo uniformidad en las recomendaciones, y se enumeraron las no conformidades y las barreras. Se destaca la importancia de pautas de prevención específicas para este público y estrategias educativas efectivas para su implementación.(AU)

Availability of complementary resources and equipment for use in the prevention of healthcare-associated infections / Disponibilidade de recursos e equipamentos complementares para uso na prevenção de infecções relacionadas à assistência à saúde / Disponibilidad de recursos y equipos complementarios para prevenir las infecciones asociadas a la atención de la salud

Background and Objectives: Recently, complementary resources and equipment have emerged to improve prevention of healthcare-associated infections (HAIs). Our aim is to verify availability and use of different resources/ equipment by infection controllers. Methods: We conducted a survey with infection controllers from the State of Rio de Janeiro, Brazil, by invitation using a social media group, in August 2022. Nine different resources and equipment were evaluated. Categorical and continuous variables were evaluated by the chi-square test and Mann­Whitney U test, respectively. A p value of less than 0.05 was considered statistically significant. Results: One hundred and eight persons answered the questionnaire. The mean age was 42.8 years (SD +/- 8.5 years) and 53 (49.1%) reported most of their workload in public hospitals, 45 (41.7%) in private hospitals and 10 (9.2%) reported the same workload in public and private hospitals. Sixty-there percent reported teaching activities in their institutions. There was no correlation between the existence of teaching activities and hospital profile (p=0.42). The most common resource available was molecular biology (PCR) for microbiological samples research for 73 (67.6%) participants. The second resource most available was applications (Apps) for HAIs prevention and control for 33 (30.6%), 19 (17.6%) reported no availability of resource/equipment technology. Conclusion: Molecular biology (PCR) for microbiological samples research was the most common resource available for infection controllers of an important state of Brazil.(AU)

Justificativas e Objetivos: Recentemente, recursos e equipamentos complementares têm surgido para melhorar a prevenção de infecções relacionadas à assistência à saúde. O objetivo deste artigo é verificar a disponibilidade e o uso de diferentes recursos e equipamentos pelos controladores de infecção. Métodos: Realizamos uma pesquisa do tipo survey com controladores de infecção do estado do Rio de Janeiro, por meio de convite pela mídia social, em agosto de 2022. Nove diferentes recursos e equipamentos foram avaliados quanto à disponibilidade e ao uso. Variáveis categóricas e contínuas foram avaliadas pelo teste qui-quadrado e Mann-Whitney, respectivamente. Um valor de p menor que 0,05 foi considerado estatisticamente significativo. Resultados: Cento e oito pessoas responderam ao questionário. A média de idade foi de 42,8 anos (DP +/- 8,5 anos), e 53(49,1%) relataram maior carga de trabalho em hospitais públicos, 45 (41,7%) em hospitais privados e 10(9,2%) carga horária similar nos dois tipos de hospitais. Dos 108, 63% relataram a existência de atividades de ensino nas instituições. Não houve correlação entre existência de atividades de ensino e tipo de hospital (p=0,42). O recurso mais disponível foi o uso de biologia molecular (reação em cadeia de polimerase) por 73 (67,6%) participantes. A segunda ferramenta mais encontrada foi o uso de aplicativos para prevenção e controle de infecção para 33 (30,6%) desses participantes. Dezenove deles (17,6%) relataram ausência de todos os recursos/equipamentos. Conclusão: O uso de biologia molecular para pesquisa de amostras biológicas foi o recurso mais disponível para controladores de infecção de um importante estado brasileiro.(AU)

Antecedentes y objetivos: Recientemente han surgido recursos y equipos complementarios para mejorar la prevención de las infecciones asociadas a la atención de la salud. El objetivo es verificar la disponibilidad y el uso de diferentes recursos/equipos por los controladores de infecciones. Métodos: Realizamos una encuesta entre los controladores de infecciones del estado de Rio de Janeiro, Brasil, por invitación en redes sociales, en agosto de 2022. Se evaluó la disponibilidad y uso de nueve recursos y equipos diferentes. Las variables categóricas y continuas se evaluaron mediante las pruebas de chi-cuadrado y Mann-Whitney, respectivamente. Se consideró estadísticamente significativo un valor de p < 0.05. Resultados: Ciento ocho personas respondieron al cuestionario. La edad media fue de 42,8 años (DE +/- 8,5 años) y 53 (49,1%) reportaron mayor carga de trabajo en hospitales públicos, 45 (41,7%) en privados y 10 (9,2%) reportaron la misma carga en hospitales públicos y privados. De los 108, el 63% reportó actividades docentes en sus instituciones. No hubo correlación entre la existencia de actividades docentes y el tipo de hospital (p=0,42). El recurso más disponible fue el uso de la biología molecular (reacción en cadena de la polimerasa) por 73 (67,6%) participantes. El segundo más común fue el uso de aplicaciones de prevención y control de infecciones por 33 (30,6%) participantes. Diecinueve participantes (17,6%) señalaron la ausencia de todos los recursos/equipos. Conclusiones: El uso de la biología molecular para investigar muestras microbiológicas fue el recurso/equipo más disponible para los controladores de infecciones de un importante estado brasileño.(AU)

Awareness, Perception, Attitude Regarding Covid-19 and Infection Control: Cross-Sectional Study among the Dentists of Saudi Arabia

Introduction: Millions of people have died as a result of the Covid-19 pandemic caused by Sars-CoV-2. To increase aware- ness and knowledge of Covid-19, numerous online resources have been made available, particularly those pertaining to the dental profession. The purpose of this study was to determine dental professionals’ knowledge, perceptions, and attitudes concerning Covid-19 in Saudi Arabia. We performed a study using a Google Docs questionnaire that was disseminated to 305 dentists practising in Saudi Arabia. Materials and Methods: The questionnaire was divided into four sections: dentists’ demographic and professional character- istics; dentists’ awareness of the incubation period, disease symptoms, mode of transmission, and infection control measures for preventing Covid-19; and dentists’ attitude toward treating patients with Covid-19. The questionnaire was completed by participants by selecting one response to each question. The descriptive statistics were used to analyze the data, which were expressed as frequencies and percentages. The chi-square test was used to examine the relationship between professional activity and knowledge, perceptions, and attitudes towards Covid-19. Results: A total of 305 dentists took part in the survey, which resulted in a cohort of 305 dentists. Dentists in Saudi Arabia were well-versed in the signs and symptoms of Covid-19 infection in dental clinics, as well as the methods of transmission, infection control measures, and preventative techniques. Dentist, on the other hand, demonstrated a reasonable understanding of the additional preventative measures that can be taken to protect dental employees and other patients from Covid-19. Conclusion: Saudi dentists have an acceptable level of knowledge and understanding of Covid-19. However, such advance- ments would benefit patient management throughout this pandemic. Due to the high risk of infection spreading and acquisition among dental workers or individuals due to the close contact with patients and the nature of dental treatment, it is critical for dentists to remain updated on current knowledge in this rapidly moving field. Dentists’ infection control expertise should be reinforced through continuous educational programs.

Ações de enfermagem para prevençãodo hiv em adolescentes: uma revisão integrativa / Nursing Actions For Hiv Prevention In Adolescents: An Integrative Review

Objetivo: identificar como os enfermeiros desenvolvem a prevenção do HIV em adolescentes. Método: trata-se de uma revisão integrativa de literatura, por meio de estudos selecionados em bases eletrônicas: Science Direct, PubMed, Web of Science, Scopus e Medical Literature Analysis and Retrieval System Online (MEDLINE), a busca dos estudos foi realizada nos meses de outubro a novembro de 2022. Resultados: Foram selecionados quatro artigos, sendo todos publicados em periódicos internacionais. Conclusão: Conclui-se que o estudo apontou os facilitadores e as dificuldades em profissionais da enfermagem ao realizar cuidados preventivos de HIV junto a adolescentes. (AU)

Objective: to identify how nurses develop HIV prevention in adolescents. Method: this is an integrative literature review, through selected studies in electronic databases: Science Direct, PubMed, Web of Science, Scopus and Medical Literature Analysis and Retrieval System Online (MEDLINE), the search for studies was carried out in the October to November 2022. Results: Four articles were selected, all of which were published in international journals. Conclusion: It is concluded that the study pointed out the facilitators and difficulties for nursing professionals when performing HIV preventive care with adolescents.(AU)

Objetivo: identificar cómo los enfermeros desarrollan la prevención del VIH en adolescentes. Método: se trata de una revisión integrativa de la literatura, a través de estudios seleccionados en bases de datos electrónicas: Science Direct, PubMed, Web of Science, Scopus y Medical Literature Analysis and Retrieval System Online (MEDLINE), la búsqueda de estudios se realizó en los meses de octubre a noviembre. 2022. Resultados: Se seleccionaron cuatro artículos, todos publicados en revistas internacionales. Conclusión: Se concluye que el estudio apuntó facilitadores y dificultades para los profesionales de enfermería en la realización de cuidados preventivos del VIH con adolescentes.(AU)

Conhecimento dos estudantes de enfermagem sobre medidas preventivas e controlo de infecção: protocolo scoping review / Knowledge of nursing students on infection prevention and control measures: scoping review protocol

OBJETIVO: mapear o conhecimento dos estudantes de enfermagem relativo às medidas de prevenção e controlo de infecção associada aos cuidados de saúde. MÉTODO: scoping review segundo a metodologia de Joanna Briggs Institute. A busca foi realizada nas seguintes bases de dados: PubMed, CINAHL® Plus with Full Text, Nursing & Allied Health Collection, Cochrane Plus Collection, MedicLatina (via EBSCOhost). Serão considerados para inclusão nesta revisão estudos escritos em português, inglês e espanhol publicados nos últimos cinco anos e extraídos para a plataforma Rayyan QCRI®. Dois revisores independentes procederam à análise de relevância dos artigos, extração e síntese dos dados, com elaboração do respectivo fluxograma.

OBJECTIVE: to map the knowledge of nursing students regarding infection prevention and control measures associated with health care. METHOD: scoping review according to the Joanna Briggs Institute methodology. The search was conducted in the following databases: PubMed, CINAHL® Plus with Full Text, Nursing & Allied Health Collection, Cochrane Plus Collection, MedicLatina (via EBSCOhost). Studies written in Portuguese, English and Spanish published in the last five years and extracted for the Rayyan QCRI platform will be considered for inclusion in this review®. Two independent reviewers carried out the analysis of the relevance of the articles, extraction and synthesis of the data, with preparation of the respective flowchart.

SARS-CoV-2 antigen detection in deceased bodies: implications for infection prevention

Background & objectives: High transmissibility of the SARS-CoV-2 has significant implications on healthcare workers’ safety, preservation, handling, transportation and disposal of the deceased bodies. The objective of this study was to detect SARS-CoV-2 antigen in nasopharyngeal samples and its implications in handling and care of COVID-19 deceased bodies. Methods: A study was conducted at a dedicated COVID-19 centre on deceased individuals from April to December 2020. Rapid antigen test (RAT) and reverse transcription (RT)-PCR was compared on all the SARS-CoV-2 positive cadavers recruited in the study. Results: A total of 115 deceased individuals were included in the study. Of these, 79 (68.7%) were male and 36 (31.3%) were female and majority were in the age group of 51-60 yr [31 (27%)]. SARS-CoV-2 antigen test was positive in 32 (27.8%) and negative in 83 (72.1%) individuals. The mean time interval between deaths to the sample collection was 13.2 h with interquartile range of eight to 20 h. Reverse transcription (RT)-PCR was used as the reference test and 24 (20.9%) cases were true positive; 93.6 per cent [95% confidence interval (CI) 88.8-98.4%] sensitivity, 45.2 per cent (95% CI 35.5-55%) specificity, 60.2 per cent (95% CI 50.6-69.8%) positive predictive value and 88.8 per cent (95% CI 82.7-95%) negative predictive value of antigen test was computed. Interpretation & conclusions: SARS-CoV-2 antigen test was positive beyond 19 h in COVID-19 deceased individuals. Antigen test was found to be highly sensitive in the deceased. Patients, suspected of having died due to COVID-19, can be screened by this method. As infectiousness of the virus in the deceased bodies cannot be directly concluded from either the antigen or RT-PCR test, yet possible transmission cannot be completely ruled out. Strict infection control measures need to be followed during the handling and clearance of COVID-19 cadavers.

Evaluación del programa nacional de infecciones asociadas con la asistencia sanitaria en el Servicio de terapia intensiva

Introducción: Las infecciones asociadas con la asistencia sanitaria se acompañan de altas tasas de morbilidad y mortalidad, incremento en los días de hospitalización y costos directos e indirectos, que constituyen un evento negativo para el paciente y la institución. Objetivo: Evaluar el programa nacional de prevención y control de las infecciones asociadas con la asistencia sanitaria en el Servicio de Terapia Intensiva Polivalente del Hospital Pediátrico Provincial Eduardo Agramonte Piña, según indicadores de estructura, proceso y resultados. Métodos: Se realizó una investigación en sistemas y servicios de salud, de tipo transversal. El universo de estudio estuvo constituido por todos los hospitales de la provincia Camagüey con más de 100 camas y la muestra a discreción por el Servicio de Intensiva Polivalente Pediátrica. La fuente de obtención de datos primarios estuvo conformada por un cuestionario aplicado por las autoras. Resultados: De los diez indicadores de estructura nueve con buena evaluación, de los cinco indicadores de proceso todos recibieron una buena evaluación al igual que los siete indicadores de la dimensión de resultados. Un total de 22 parámetros, de ellos 21 con evaluación de bien y uno de mal. Conclusiones: La evaluación final del programa de prevención y control de las infecciones asociadas con la asistencia sanitaria fue de satisfactoria debido a que sus tres dimensiones obtuvieron resultado adecuado.

Introduction: Infections associated with health care are accompanied by high morbidity and mortality rates, which translates into an increase in hospital days and care costs, which constitute a negative event for the patient and the institution. Objective: To evaluate the national program for the prevention and control of infections associated with health care in the Multipurpose Intensive Care Service of the Eduardo Agramonte Piña Provincial Pediatric Hospital, according to indicators of structure, process and results. Methods: A cross-sectional investigation was carried out on health systems and services. The universe of study was made up of all the hospitals in the Camagüey province with more than 100 beds and the sample at the discretion of the Pediatric Polyvalent Intensive Care Service. The primary data source was made up of a questionnaire applied by the authors. Results: Of the ten structure indicators, nine with a good evaluation, of the five process indicators, all received a good evaluation, as well as the seven indicators of the results dimension. A total of 22 parameters, of which 21 evaluated as good and one evaluated as bad. Conclusions: The final evaluation of the program for the prevention and control of infections associated with health care was satisfactory because its three dimensions obtained adequate results.

Control de la tuberculosis pulmonar en el personal de Enfermería en instituciones hospitalarias / Control of Pulmonary Tuberculosis among the Nursing Personnel in Hospital Institutions

Introducción: La tuberculosis pulmonar es uno de los problemas de salud pública más importante a nivel mundial. El personal de la salud tiene mayor probabilidad de contraer la infección con Mycobacterium tuberculosis por su exposición incrementada a pacientes con la enfermedad. Objetivo: Sistematizar el control de la tuberculosis pulmonar en el personal de enfermería en instituciones hospitalarias. Métodos: Revisión integrativa en las bases de datos SciELO y Medline, mediante los descriptores (DeCS): "tuberculosis/tuberculose", "Personal de Enfermería/pessoal de enfermagem/health personnel", "prevención/prevencao/prevention", a través de los operadores booleanos AND y OR. Se establecen las categorías de análisis para una mejor organización del conocimiento. Se establecieron como criterios de inclusión, artículos completos en español, portugués e inglés, que refirieran de manera clara la metodología y los resultados obtenidos. Se incluyeron 10 referencias, que evidencian que existen diversos factores para la transmisión del bacilo de la tuberculosis, en el personal de atención en salud, como el número de pacientes con tuberculosis pulmonar atendidos al año. Es esencial la concientización de las medidas para su control. Diversas publicaciones documentan experiencias de la aplicación de medidas de control, con sus respectivas recomendaciones, mediante el análisis de sus ventajas, desventajas y en algunos casos, de su rentabilidad. Conclusiones: Las evidencias científicas exponen que las medidas de control de la tuberculosis en las instituciones hospitalarias son una estrategia eficaz para prevenir la transmisión de la enfermedad al personal de enfermería(AU)

Introduction: Pulmonary tuberculosis is one of the most important public health problems worldwide. The healthcare personnel are more likely to contract infection with Mycobacterium tuberculosis, because of their increased exposure to patients with the disease. Objective: To systematize the control of pulmonary tuberculosis among the nursing personnel in hospital institutions. Methods: An integrative review in the SciELO and Medline databases was carried out, using the Health Sciences Descriptors (DeCS) tuberculosis/tuberculose [tuberculosis], Personal de Enfermería/pessoal de enfermagem/health personnel [nursing personnel], prevención/prevenção/prevention, through the Boolean operators AND and OR. The analysis categories were established for better knowledge organization. The established inclusion criterions were complete articles published in Spanish, Portuguese and English, which clearly referred to the methodology and obtained results. Ten references were included, showing that there are several factors for the transmission of the tuberculosis bacillus in the health care personnel, as being the number of patients with pulmonary tuberculosis attended per year. Awareness-raising is essential concerning measures for its control. Publications document experiences regarding the application of control measures, with their respective recommendations, by analyzing their advantages, disadvantages and, in some cases, their cost-effectiveness. Conclusions: Scientific evidence show that tuberculosis control measures in hospital institutions are an effective strategy for preventing transmission of the disease to nursing personnel(AU)

Patient participation in surgical site infection prevention: perceptions of nurses, physicians and patients / Participación del paciente en la prevención de la infección del sitio quirúrgico: percepciones de enfermeras, médicos y pacientes / Participação do paciente na prevenção de infecção do sítio cirúrgico: percepções de enfermeiros, médicos e pacientes

ABSTRACT Objective: To analyze the perception of patients and health professionals regarding patients' participation in surgical site infection prevention. Methods: Cross-sectional study conducted in two hospitals in the city of São Paulo, with a convenience sample of 123 patients in the postoperative period of elective surgeries and 92 health professionals (physicians and nurses) acting in direct care of surgical patients. Results: Patients (78.9%) and professionals (79.4%) fully agreed with the importance of patient participation to prevent surgical site infection. The impact of patient participation on infection rates was significant for those undergoing previous surgery (p = 0.021). Patients and professionals disagreed about the best time to prepare the patient about the topic (p<0.001). The participation strategies considered most effective by patients and professionals were, respectively, oral presentation (47.2% and 75%), videos (40.7% and 58.7%) and leaflets (30.9% and 58.7%). Conclusion: Patients and health professionals believe that patient participation in surgical site infection prevention is important.

RESUMEN Objetivo: Analizar la percepción de pacientes y profesionales de salud sobre la participación de los pacientes en la prevención de la infección del sitio quirúrgico. Método: Estudio transversal realizado en dos hospitales de la ciudad de São Paulo, con una muestra de conveniencia de 123 pacientes en el postoperatorio de cirugías electivas y 92 profesionales de salud (médicos y enfermeros) que actúan en el cuidado directo de pacientes quirúrgicos. Resultados: Los pacientes (78,9%) y los profesionales (79,4%) estuvieron totalmente de acuerdo con la importancia de la participación de los pacientes para prevenir la infección del sitio quirúrgico. El impacto de la participación de los pacientes en las tasas de infección fue significativo para los sometidos a cirugía previa (p = 0,021). Pacientes y profesionales discreparon sobre el mejor momento para preparar al paciente sobre el tema (p < 0,001). Las estrategias de participación consideradas más eficaces por pacientes y profesionales fueron, respectivamente, la presentación oral (47,2% y 75%), los vídeos (40,7% y 58,7%) y los folletos (30,9% y 58,7%). Conclusión: Los pacientes y los profesionales de salud creen que la participación de los pacientes en la prevención de la infección del sitio quirúrgico es importante.

RESUMO Objetivo: Analisar a percepção de pacientes e profissionais de saúde sobre a participação dos pacientes na prevenção de infecção do sítio cirúrgico. Método: Estudo transversal realizado em dois hospitais da cidade de São Paulo, com amostra por conveniência de 123 pacientes no período pós-operatório de cirurgias eletivas e 92 profissionais de saúde (médicos e enfermeiros) atuantes no cuidado direto a pacientes cirúrgicos. Resultados: Pacientes (78,9%) e profissionais (79,4%) concordaram totalmente com a importância da participação do paciente para a prevenção de infecção do sítio cirúrgico. O impacto da participação do paciente nas taxas de infecção foi significativo para aqueles submetidos à cirurgia prévia (p = 0,021). Pacientes e profissionais discordaram quanto ao melhor momento para preparar o paciente sobre a temática (p<0,001). As estratégias de participação consideradas mais efetivas pelos pacientes e profissionais foram, respectivamente, exposição oral (47,2% e 75%), vídeos (40,7% e 58,7%) e panfletos (30,9% e 58,7%). Conclusão: Pacientes e profissionais de saúde julgam ser importante a participação do paciente na prevenção de infecção do sítio cirúrgico.

Wind-driven roof turbines' effectiveness in enhancing household ventilation: a potential tool to reduce tuberculosis infection

Background: South Africa's overburdened healthcare systems have led to criticism of its unsustainable tuberculosis management interventions. In 2011, the National Department of Health implemented an outpatient, decentralised care model, but this increased costs and jeopardised the long-term viability of prevention measures. Home confinement is now recognised as a viable intervention option, when combined with safety precautions such as ventilation and medical support. However, little is known about the risk of infection in this context. Objectives: To assess the effectiveness of wind-driven roof turbines in enhancing ventilation and their potential to lower the risk of Mycobacterium tuberculosis infection in a residential setting. Methods: Eight houses were selected and divided equally into intervention (wind turbines installed) and control groups, using a pairwise comparison method. The CO2 decay method was used as a proxy to determine ventilation in the houses. The wind-driven roof turbines' potential to lower the risk of Mycobacterium tuberculosis infection was stochastically evaluated using the Wells-Riley mathematical model. Results: During two seasons, installation of a roof turbine resulted in twofold ventilation rates compared to the control houses. Consequently, the WellsRiley model predicted a twofold reduction in the probability of infection in the intervention compared to the control households. Conclusion: Low-cost, low-maintenance wind-driven roof turbines are effective in increasing ventilation in houses, and should be considered as an additional layer of protection against Mycobacterium tuberculosis and other infections in residential settings.

Main Infection Control Measures for Respiratory Infectious Diseases in Medical Institutions and Public Places in China / 中国医学科学院学报

Respiratory infectious diseases (RID) are the major public health problems threatening the people's lives and health.Infection control (IC) is one of the effective tools to contain the occurrence and spread of RID.We collected the articles and data on IC published since January 1,2018 and summarized the achievements,problems,and challenges of IC from administrative control,management control,environment and engineering control,and personal protection in the medical institutions and public places in China.The efforts for IC vary in different regions and medical institutions of different levels.There are still links to be improved for IC from administrative control,management control,environment and engineering control,and personal protection,especially in community-level medical institutions and public areas.It is urgent to strengthen the implementation of IC policies and conduct IC precisely according to local situations.We proposed the following suggestions.First,the existing IC products and tools should be applied to precisely implement the IC measures;second,modern high technology should be employed to develop efficient and convenient IC products and tools;finally,a digital or intelligent IC platform should be built for monitoring infections,so as to contain the occurrence and spread of RID.

The infection control of post-and-core crown restoration / 华西口腔医学杂志

Post-and-core crown is one of the most common forms of restoration of tooth after root canal therapy (RCT). Infection control is the core objective of RCT, which is usually well realized by endodontists. However, many prosthodontists often neglect the infection control of the tooth and the maintenance of the curative effect of RCT during the process of post-and-core crown, which may lead to the failure of the final restoration. The concept of integrated crown-root treatment advocated recently requires clinicians to consider the RCT and final restoration as a whole, rather than simply divided into two parts-endodontic treatment and restorative treatment. As the core content of integrated crown-root treatment, infection control should be taken seriously by clinicians and implemented throughout the whole treatment process, especially in the restorative treatment that is easily overlooked after RCT. Therefore, this article describes the infection control of post-and-core crown restoration, classifies the tooth requiring post-and-core crown restoration, and puts forward the measures of infection control before and during post-and-core crown restoration, in order to provide reference and guidance for clinical practice.

Prevention and control of vessel catheter associated infections: a harsh and long way to go / 中国实用护理杂志

Vascular access devices are regarded as double-edged swords since being used as lifesaving accesses widely as well as causing vessel catheter associated infections and other complications.In severe cases, it may even endanger life. This paper expounded the importance and necessity of vessel catheter associated infections prevention and control from several aspects such as national policy promotion, medical insurance payment innovation and clinical management demand, analyzed the key links of vessel catheter associated infections prevention and control and the research status quo here and abroad based on the life cycle of the catheter, and pondered the future directions considering the current difficulties and blind spots.