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1.
Sci Med Footb ; : 1-7, 2023 Dec 11.
Artigo em Inglês | MEDLINE | ID: mdl-38078467

RESUMO

The aim of this study was to assess and compare menstrual health literacy in professional women's football. A three-section questionnaire was completed by professional players (n = 25), development players (n = 22) and staff (n = 19). The mean total knowledge score (out of 19) was lower for development players (5.4 ± 2.9) than professional players (7.8 ± 3.2) and staff (9.1 ± 4.8) (p < 0.001). No group achieved >50% correct answers. For each group, knowledge of the menstrual cycle (MC) was greater than knowledge of hormonal contraceptives (HC) (p < 0.001). Previous MC and HC education did not correspond to higher knowledge scores in professional players (p = 0.823) or development players (p = 0.274). In professional and development players, comfort of communication was influenced by the sex of whom they were communicating with (p < 0.001), with a preference for females. In conclusion, results from the present study suggest refined education strategies and new approaches are required for both players and staff to improve menstrual health literacy in professional women's football.

2.
Artigo em Inglês | WPRIM (Pacífico Ocidental) | ID: wpr-984258

RESUMO

Objective@#To systematically review the available evidence on the association of HBA1c levels and development of sensorineural hearing loss and to quantitatively analyze the available data on HBA1c levels in patients with type 2 diabetes mellitus and sensorineural hearing loss to determine an HbA1c level that may be associated with the risk of having sensorineural hearing loss.@*Methods@#Design: Systematic Review and Meta-analysis Eligibility Criteria: Cross-sectional studies, or cohort studies which were limited to English language that investigated the correlation of glycemic index using HBA1c and sensorineural hearing loss among adult type 2 diabetic patients which were done from January 2010 to December 2021. Studies with no published outcome, incomplete data or that were ongoing as of August 1, 2022 were also excluded. Information Sources: MEDLINE (through PubMed), Cochrane Library, Scopus, Embase (through OVID@journal), Directory of Open Access Journals (DOAJ), Google Scholar and HERDIN Plus Risk of Bias: Risk of Bias was assessed using the Guidelines for Cochrane Collaboration Synthesis of Results: Results were presented using forest plots for representation.@*Results@#A total of 8 studies were reviewed with 2,103 participants in all. Six articles compared hearing loss incidence between diabetic and non-diabetic patients. Overall, there were a total of 881 diabetic patients and 1222 non-diabetic patients. There was a significantly lower incidence of sensorineural hearing loss in non-diabetic patients with a risk ratio of 1.89, 95% CI [1.65, 2.16]. Three articles compared the HbA1c levels of diabetic patients with or without sensorineural hearing loss. Diabetic patients without sensorineural hearing loss had significantly lower HbA1c levels compared to those with sensorineural hearing loss with mean difference of 1.04, 95%CI [0.82, 1.25].@*Conclusion@#In conclusion, this meta-analysis showed a higher prevalence rate of sensorineural hearing loss among patients with diabetes mellitus compared to non-diabetic patients. Moreover, poor glycemic control among diabetic patients with a glycemic index based on HbA1c of more than 8.3 (6.97-9.6) is associated with sensorineural hearing loss.


Assuntos
Diabetes Mellitus , Índice Glicêmico , Perda Auditiva Neurossensorial , Surdez
3.
Pilot Feasibility Stud ; 6(1): 183, 2020 Nov 23.
Artigo em Inglês | MEDLINE | ID: mdl-33292669

RESUMO

BACKGROUND: Despite medical advances, major surgery remains high risk with up to 44% of patients experiencing postoperative complications. Early recognition of postoperative complications is crucial in reducing morbidity and preventing long-term disability. The current standard of care is intermittent manual vital signs monitoring, but new wearable remote monitors offer the benefits of continuous vital signs monitoring without limiting the patient's mobility. The aim of this study was to evaluate the feasibility, acceptability and clinical outcomes of continuous remote monitoring after major surgery. METHODS: The study was a randomised, controlled, unblinded, parallel group, feasibility trial. Adult patients undergoing elective major surgery were randomly assigned to receive continuous remote monitoring and normal National Early Warning Score (NEWS) monitoring (intervention group) or normal NEWS monitoring alone (control group). Continuous remote monitoring was achieved using the SensiumVitals® wireless patch which is worn on the patient's chest and monitors heart rate, respiratory rate and temperature continuously, and alerts the nurse when there is deviation from pre-set physiological norms. Feasibility was assessed by evaluating recruitment rate, adherence to protocol and randomisation and the amount of missing data. Clinical outcomes included time to antibiotics in cases of sepsis, length of hospital stay, number of critical care admissions and rate of hospital readmission within 30 days of discharge. RESULTS: One hundred and thirty-six patients were randomised between October 2018 and April 2019: 67 to the control group and 69 to the intervention group. Recruitment was completed prior to the 12 month target with a high rate of eligibility and consent. Missing data was limited only to questionnaire responses; no participants were lost to follow-up and only one participant was withdrawn due to loss of capacity. The number of patients classed as 'drop-out' due to design (8.1%) were less than anticipated, and there were no participants who crossed over into the alternative trial allocation group. Seventeen participants in the intervention group (28%) did not adhere to the monitoring protocol. No formal comparisons between arms was undertaken; however, participants had fewer unplanned critical care admissions (1 versus 5) and had a shorter average length of hospital stay (11.6 days (95% confidence interval 9.5-13.7 days) versus 16.2 days (95% confidence interval 11.3-21.2 days)) in the continuous vital signs monitoring group. The time taken to receive antibiotics in cases of sepsis was similar in both arms. A cost-utility analysis indicated that the remote monitoring system was cost-saving when compared to standard NEWS monitoring alone. CONCLUSIONS: It is feasible to perform a large-scale randomised controlled trial of continuous remote monitoring after major surgery. Progression to a definitive multicentre randomised controlled trial would be appropriate, taking consideration of factors, such as patient adherence, that might mask the potential benefit of additional monitoring. TRIAL REGISTRATION: ISRCTN registry with study ID ISRCTN16601772 . Registered 30 August 2017.

4.
Pilot Feasibility Stud ; 4: 112, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-29992041

RESUMO

BACKGROUND: Despite medical advances, major surgery remains high risk. Up to 44% of patients experience postoperative complications, which can have huge impacts for patients and the healthcare system. Early recognition of postoperative complications is crucial in reducing morbidity and preventing long-term disability. The current standard of care is intermittent manual vital signs monitoring, but new wearable remote monitors offer the benefits of continuous vital signs monitoring without limiting the patient's mobility. The aim of this study is to evaluate the feasibility, acceptability and clinical impacts of continuous remote monitoring after major surgery. METHODS: The study is a randomised, controlled, unblinded, parallel group, feasibility trial. Adult patients undergoing elective major surgery will be invited to participate if they have the capacity to provided informed, written consent and do not have a cardiac pacemaker or an allergy to adhesives. Participants will be randomly assigned to receive continuous remote monitoring and normal National Early Warning Score (NEWS) monitoring (intervention group) or normal NEWS monitoring alone (control group). Continuous remote monitoring will be achieved using the SensiumVitals® wireless patch which is worn on the patient's chest and monitors heart rate, respiratory rate and temperature continuously and alerts the nurse when there is deviation from pre-set physiological norms. Participants will be followed up throughout their hospital admission and for 30 days after discharge. Feasibility will be assessed by evaluating recruitment rate, adherence to protocol and randomisation, and the amount of missing data. The acceptability of the patch to nursing staff and patients will be assessed using questionnaires and interviews. Clinical outcomes will include time to antibiotics in cases of sepsis, length of hospital stay, number of critical care admissions and rate of readmission within 30 days of discharge. DISCUSSION: Early detection and treatment of complications minimises the need for critical care, improves patient outcomes, and produces significant cost savings for the healthcare system. Remote continuous monitoring systems have the potential to allow earlier detection of complications, but evidence from the literature is mixed. Demonstrating significant benefit over intermittent monitoring to offset the practical and economic implications of continuous monitoring requires well-controlled studies in high-risk populations to demonstrate significant differences in clinical outcomes; this feasibility trial seeks to provide evidence of how best to conduct such a confirmatory trial. TRIAL REGISTRATION: This study is listed on the ISRCTN registry with study ID ISRCTN16601772.

5.
Int J Nurs Stud ; 84: 19-27, 2018 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-29729558

RESUMO

BACKGROUND: Continuous vital signs monitoring on general hospital wards may allow earlier detection of patient deterioration and improve patient outcomes. This systematic review will assess if continuous monitoring is practical outside of the critical care setting, and whether it confers any clinical benefit to patients. METHODS: MEDLINE®, MEDLINE® In-Process, EMBASE, CINAHL and The Cochrane Library were searched for articles that evaluated the clinical or non-clinical outcomes of continuous vital signs monitoring in adults outside of the critical care setting. The protocol was registered with PROSPERO (CRD42017058098). FINDINGS: Twenty-four studies met the inclusion criteria and reported outcomes on a total of 40,274 patients and 59 ward staff in nine countries. The majority of studies showed benefits in terms of critical care use and length of hospital stay. Larger studies were more likely to demonstrate clinical benefit, particularly critical care use and length of hospital stay. Three studies showed cost-effectiveness. Barriers to implementation included nursing and patient satisfaction and the burden of false alerts. CONCLUSIONS: Continuous vital signs monitoring outside the critical care setting is feasible and may provide a benefit in terms of improved patient outcomes and cost efficiency. Large, well-controlled studies in high-risk populations are required to evaluate the clinical benefit of continuous monitoring systems.


Assuntos
Hospitais , Monitorização Fisiológica/métodos , Sinais Vitais , Adulto , Cuidados Críticos/estatística & dados numéricos , Humanos , Satisfação no Emprego , Tempo de Internação , Narração , Recursos Humanos de Enfermagem Hospitalar/psicologia , Satisfação do Paciente
6.
Int J Med Inform ; 114: 52-56, 2018 06.
Artigo em Inglês | MEDLINE | ID: mdl-29673603

RESUMO

BACKGROUND: Vital signs monitoring is used to identify deteriorating patients in hospital. The most common tool for vital signs monitoring is an early warning score, although emerging technologies allow for remote, continuous patient monitoring. A number of reviews have examined the impact of continuous monitoring on patient outcomes, but little is known about the patient experience. This study aims to discover what patients think of monitoring in hospital, with a particular emphasis on intermittent early warning scores versus remote continuous monitoring, in order to inform future implementations of continuous monitoring technology. METHODS: Semi-structured interviews were undertaken with 12 surgical inpatients as part of a study testing a remote continuous monitoring device. All patients were monitored with both an early warning score and the new device. Interviews were audio-recorded, transcribed verbatim and analysed using thematic analysis. FINDINGS: Patients can see the value in remote, continuous monitoring, particularly overnight. However, patients appreciate the face-to-face aspect of early warning score monitoring as it allows for reassurance, social interaction, and gives them further opportunity to ask questions about their medical care. CONCLUSION: Early warning score systems are widely used to facilitate detection of the deteriorating patient. Continuous monitoring technologies may provide added reassurance. However, patients value personal contact with their healthcare professionals and remote monitoring should not replace this. We suggest that remote monitoring is best introduced in a phased manner, and initially as an adjunct to usual care, with careful consideration of the patient experience throughout.


Assuntos
Atitude Frente a Saúde , Cirurgia Geral/métodos , Monitorização Fisiológica/métodos , Pacientes/psicologia , Cuidados Pós-Operatórios , Complicações Pós-Operatórias/prevenção & controle , Telemedicina/métodos , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Entrevistas como Assunto , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade , Ensaios Clínicos Controlados Aleatórios como Assunto , Sinais Vitais
7.
Int J Nurs Stud ; 76: 106-119, 2017 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-28950188

RESUMO

BACKGROUND: Early warning scores are widely used to identify deteriorating patients. Whilst their ability to predict clinical outcomes has been extensively reviewed, there has been no attempt to summarise the overall strengths and limitations of these scores for patients, staff and systems. This review aims to address this gap in the literature to guide improvements for the optimization of patient safety. METHODS: A systematic review was conducted of MEDLINE®, PubMed, CINAHL and The Cochrane Library in September 2016. The citations and reference lists of selected studies were reviewed for completeness. Studies were included if they evaluated vital signs monitoring in adult human subjects. Studies regarding the paediatric population were excluded, as were studies describing the development or validation of monitoring models. A narrative synthesis of qualitative, quantitative and mixed- methods studies was undertaken. FINDINGS: 232 studies met the inclusion criteria. Twelve themes were identified from synthesis of the data: Strengths of early warning scores included their prediction value, influence on clinical outcomes, cross-specialty application, international relevance, interaction with other variables, impact on communication and opportunity for automation. Limitations included their sensitivity, the need for practitioner engagement, the need for reaction to escalation and the need for clinical judgment, and the intermittent nature of recording. Early warning scores are known to have good predictive value for patient deterioration and have been shown to improve patient outcomes across a variety of specialties and international settings. This is partly due to their facilitation of communication between healthcare workers. There is evidence that the prediction value of generic early warning scores suffers in comparison to specialty-specific scores, and that their sensitivity can be improved by the addition of other variables. They are also prone to inaccurate recording and user error, which can be partly overcome by automation. CONCLUSIONS: Early warning scores provide the right language and environment for the timely escalation of patient care. They are limited by their intermittent and user-dependent nature, which can be partially overcome by automation and new continuous monitoring technologies, although clinical judgment remains paramount.


Assuntos
Sinais Vitais , Humanos , Narração , Segurança do Paciente
8.
Yearb Med Inform ; (1): 53-60, 2016 Nov 10.
Artigo em Inglês | MEDLINE | ID: mdl-27830231

RESUMO

OBJECTIVE: No framework exists to identify and study unintended consequences (UICs) with a focus on organizational and social issues (OSIs). To address this shortcoming, we conducted a literature review to develop a framework for considering UICs and health information technology (HIT) from the perspective of OSIs. METHODS: A literature review was conducted for the period 2000- 2015 using the search terms "unintended consequences" and "health information technology". 67 papers were screened, of which 18 met inclusion criteria. Data extraction was focused on the types of technologies studied, types of UICs identified, and methods of data collection and analysis used. A thematic analysis was used to identify themes related to UICs. RESULTS: We identified two overarching themes. One was the definition and terminology of how people classify and discuss UICs. Second was OSIs and UICs. For the OSI theme, we also identified four sub-themes: process change and evolution, individual-collaborative interchange, context of use, and approaches to model, study, and understand UICs. CONCLUSIONS: While there is a wide body of research on UICs, there is a lack of overall consensus on how they should be classified and reported, limiting our ability to understand the implications of UICs and how to manage them. More mixed-methods research and better proactive identification of UICs remain priorities. Our findings and framework of OSI considerations for studying UICs and HIT extend existing work on HIT and UICs by focusing on organizational and social issues.


Assuntos
Registros Eletrônicos de Saúde , Informática Médica , Humanos , Informática Médica/organização & administração , Sociedades Médicas
9.
J Perioper Pract ; 26(3): 42-5, 2016 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-27149832

RESUMO

Effective teamwork in the operating theatre is important for safe patient care. In robotic surgery, the surgeon is physically separated from the operating theatre team, which could potentially have an impact on teamwork. With robotic surgery increasing internationally, this article reviews relevant published literature on teamwork in the operating theatre and reflects on how this might be impacted by robotic surgery. We conclude by describing a research study we are currently undertaking on this topic.


Assuntos
Comportamento Cooperativo , Salas Cirúrgicas/organização & administração , Equipe de Assistência ao Paciente/organização & administração , Segurança do Paciente , Procedimentos Cirúrgicos Robóticos/métodos , Procedimentos Cirúrgicos Robóticos/psicologia , Robótica/instrumentação , Comunicação , Humanos , Relações Interprofissionais
10.
Obes Rev ; 12(10): 841-51, 2011 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-21951331

RESUMO

The term 'fat burner' is used to describe nutrition supplements that are claimed to acutely increase fat metabolism or energy expenditure, impair fat absorption, increase weight loss, increase fat oxidation during exercise, or somehow cause long-term adaptations that promote fat metabolism. Often, these supplements contain a number of ingredients, each with its own proposed mechanism of action and it is often claimed that the combination of these substances will have additive effects. The list of supplements that are claimed to increase or improve fat metabolism is long; the most popular supplements include caffeine, carnitine, green tea, conjugated linoleic acid, forskolin, chromium, kelp and fucoxanthin. In this review the evidence for some of these supplements is briefly summarized. Based on the available literature, caffeine and green tea have data to back up its fat metabolism-enhancing properties. For many other supplements, although some show some promise, evidence is lacking. The list of supplements is industry-driven and is likely to grow at a rate that is not matched by a similar increase in scientific underpinning.


Assuntos
Suplementos Nutricionais , Metabolismo dos Lipídeos/efeitos dos fármacos , Cafeína/farmacologia , Carnitina/farmacologia , Estimulantes do Sistema Nervoso Central/farmacologia , Cromo/farmacologia , Colforsina/farmacologia , Humanos , Kelp , Ácidos Linoleicos Conjugados/farmacologia , Taurina/farmacologia , Chá , Oligoelementos/farmacologia , Complexo Vitamínico B/farmacologia , Xantofilas/farmacologia
11.
Mol Ecol ; 19(3): 521-41, 2010 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-20355258

RESUMO

Although the sexual transfer of genetic material between species (i.e. introgression) has been documented in many groups of plants and animals, genome-wide patterns of introgression are poorly understood. Is most of the genome permeable to interspecific gene flow, or is introgression typically restricted to a handful of genomic regions? Here, we assess the genomic extent and direction of introgression between three sunflowers from the south-central USA: the common sunflower, Helianthus annuus ssp. annuus; a near-endemic to Texas, Helianthus debilis ssp. cucumerifolius; and their putative hybrid derivative, thought to have recently colonized Texas, H. annuus ssp. texanus. Analyses of variation at 88 genetically mapped microsatellite loci revealed that long-term migration rates were high, genome-wide and asymmetric, with higher migration rates from H. annuus texanus into the two parental taxa than vice versa. These results imply a longer history of intermittent contact between H. debilis and H. annuus than previously believed, and that H. annuus texanus may serve as a bridge for the transfer of alleles between its parental taxa. They also contradict recent theory suggesting that introgression should predominantly be in the direction of the colonizing species. As in previous studies of hybridizing sunflower species, regions of genetic differentiation appear small, whether estimated in terms of FST or unidirectional migration rates. Estimates of recent immigration and admixture were inconsistent, depending on the type of analysis. At the individual locus level, one marker showed striking asymmetry in migration rates, a pattern consistent with tight linkage to a Bateson-Dobzhansky-Muller incompatibility.


Assuntos
Genética Populacional , Genoma de Planta , Helianthus/genética , Hibridização Genética , DNA de Plantas/genética , Fluxo Gênico , Genótipo , Funções Verossimilhança , Repetições de Microssatélites , Densidade Demográfica , Análise de Sequência de DNA , Texas
12.
Methods Inf Med ; 42(4): 433-6, 2003.
Artigo em Inglês | MEDLINE | ID: mdl-14534646

RESUMO

OBJECTIVE: This paper aims to understand the nature of medical error in highly technological environments and argues that a comparison with aviation can blur its real understanding. METHODS: This study is a comparative study between the notion of error in health care and aviation based on the author's own ethnographic study in intensive care units and findings from the research literature on errors in aviation. RESULTS AND CONCLUSIONS: Failures in the use of medical technology are common. In attempts to understand the area of medical error, much attention has focused on how we can learn from aviation. This paper argues that such a comparison is not always useful, on the basis that (i) the type of work and technology is very different in the two domains; (ii) different issues are involved in training and procurement; and (iii) attitudes to error vary between the domains. Therefore, it is necessary to look closely at the subject of medical error and resolve those questions left unanswered by the lessons of aviation.


Assuntos
Aviação , Tecnologia Biomédica , Erros Médicos/prevenção & controle , Gestão da Segurança , Atitude do Pessoal de Saúde , Difusão de Inovações , Humanos , Relações Interprofissionais , Cultura Organizacional , Reino Unido
13.
Transfusion ; 33(5): 362-7, 1993 May.
Artigo em Inglês | MEDLINE | ID: mdl-8488537

RESUMO

Because large numbers of volunteer blood donors may be disqualified for "false-positive" results on tests for antibody to hepatitis B core antigen (anti-HBc), a more specific definition of anti-HBc enzyme immunoassay (EIA)-reactive was evaluated, including only those donor samples that were "strongly" reactive (sample-to-cutoff absorbance ratio, < 0.45). Results using this definition and other anti-HBc test methods were compared to the serologic response (antibody to hepatitis B surface antigen [anti-HBsAg]) to hepatitis B vaccination. Fifty-eight volunteer blood donors who had previously been deferred as donors, because of reactive anti-HBc tests (all other blood screening tests were negative, including those for HBsAg and anti-HBsAg) on two occasions, were vaccinated for hepatitis B. It was assumed that an anamnestic response to vaccine indicated past infection with hepatitis B, while a primary response to vaccine indicated lack of past infection. One (2%) of 43 donors with a historically "weak" anti-HBc (reactive absorbance ratio, > or = 0.45) had an anamnestic response to vaccine, compared to 8 (53%) of 15 with historically "strong" anti-HBc (reactive absorbance ratio, < 0.45) (p < 0.005). Anti-HBc testing using the microparticle EIA method also correlated well with hepatitis B vaccination results. The use of a narrower definition of "reactive" for anti-HBc EIA testing yielded much more specific, but slightly less sensitive, results.


Assuntos
Doadores de Sangue , Anticorpos Anti-Hepatite B/sangue , Antígenos do Núcleo do Vírus da Hepatite B/imunologia , Vacinas contra Hepatite B/sangue , Reações Falso-Positivas , Hepatite B/diagnóstico , Hepatite B/prevenção & controle , Anticorpos Anti-Hepatite B/imunologia , Vacinas contra Hepatite B/imunologia , Vacinas contra Hepatite B/uso terapêutico , Humanos , Técnicas Imunoenzimáticas , Memória Imunológica , Fatores de Tempo , Vacinação
14.
J Clin Microbiol ; 29(3): 605-10, 1991 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-2037679

RESUMO

Addition of reducing agents to competitive assays for antibody to hepatitis B core antigen (anti-HBc) eliminates apparent false reactivity of specimens obtained from individuals with no prior history of hepatitis B virus (HBV) infection and without other serological markers of HBV infection. We have purified and characterized a reduction-sensitive factor (RSF) isolated from the plasma of several volunteer blood donors. Column fractions were assayed fro anti-HBc by using a highly sensitive chemiluminescence assay with a detection of 0.15 Paul Ehrlich Institut units per ml at 50% inhibition. Gel filtration on Sephacryl S-300 indicated that reductant-sensitive samples possessed anti-HBc activity that was associated with immunoglobulin M (IgM), whereas reductant-stable activity was associated with IgG. Gel filtration followed by metal chelate affinity chromatography resulted in a 55-fold purification and demonstrated that RSF activity copurifies with IgM. RSF was recovered from a recombinant hepatitis B core antigen matrix and shown to be an IgM species by immunoblot. In addition, RSF activity coeluted with IgM protein from anti-mu-chain Sepharose. Discrepancies between enzyme immunoassay and radioimmunoassay procedures for anti-HBc (Corzyme and Corab, respectively: Abbott Laboratories, North Chicago, Ill.) appear to be due to the relative sensitivity of the enzyme immunoassay for IgM anti-HBc (sevenfold greater than the radioimmunoassay using a specific panel). The biological basis for the occurrence of low levels of nonspecific IgM anti-HBc reactivity in individuals not previously exposed to HBV remains to be elucidated.


Assuntos
Anticorpos Anti-Hepatite B/sangue , Antígenos do Núcleo do Vírus da Hepatite B , Ligação Competitiva , Doadores de Sangue , Reações Falso-Positivas , Humanos , Imunoensaio , Técnicas Imunoenzimáticas , Imunoglobulina M/análise , Medições Luminescentes , Oxirredução , Radioimunoensaio
15.
Transfusion ; 31(2): 109-13, 1991 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-1847559

RESUMO

Blood samples from 2000 accepted blood donors and 343 deferred donors with antibody to hepatitis B core antigen (anti-HBc) and/or an alanine aminotransferase (ALT) elevation were evaluated for antibody to hepatitis C virus (anti-HCV). Sixteen (0.8%) of the 2000 sera initially reacted on enzyme-linked immunosorbent assay (ELISA); 12 (0.6%) were repeatably reactive. One repeatably reactive sample had an elevated ALT; two reacted on anti-HBc testing and had ALT elevations. When the repeatably reactive ELISA samples were tested by an immunoblot assay, four reacted, three were indeterminate, and five did not react. Among the 343 deferred donors, HCV antibodies were detected in 8 (3.8%) of 210 anti-HBc-reactive samples, 12 (11.8%) of 104 elevated-ALT samples, and 15 (52%) of 29 combined elevated-ALT and anti-HBc-reactive samples; 25 of 28 reacted on immunoblot. The anti-HBc-reactive sera were subdivided into groups according to strength of anti-HBc reactivity (weak or strong) and antibody to hepatitis B surface antigen status and then were compared for anti-HCV reactivity rates. The group of samples showing the greatest frequency of anti-HCV had strong anti-HBc reactivity. For blood donors, the anti-HCV test correlates with the surrogate tests for non-A, non-B hepatitis (anti-HBc and ALT); however, most anti-HCV-reactive units remain undetected by surrogate tests, so that implementation of anti-HCV screening should further reduce the transmission of HCV via transfusion.


Assuntos
Doadores de Sangue , Hepacivirus/imunologia , Anticorpos Anti-Hepatite/análise , Alanina Transaminase/sangue , Ensaio de Imunoadsorção Enzimática , Antígenos do Núcleo do Vírus da Hepatite B/imunologia , Humanos , Immunoblotting
17.
J Soc Occup Med ; 39(3): 99-100, 1989.
Artigo em Inglês | MEDLINE | ID: mdl-2586096

RESUMO

A survey of lead exposure amongst gravestone inscription writers was undertaken in 12 firms of monumental masons in London and one in the East Midlands. The mean blood lead concentration in the 25 men studied was 35 micrograms/dl, with six workers exceeding 40 micrograms/dl. The four highest levels were 49, 57, 78 and 89 micrograms/dl respectively, indicating that substantial occupational exposure to lead was occurring. The men were unaware of the risks of lead exposure and the importance of not smoking or eating in their workshops. The stonemasons understood the hazards of granite stone dust, but an unexpected and common finding was an unacceptably high exposure to marble dust.


Assuntos
Chumbo/toxicidade , Ocupações , Poeira/efeitos adversos , Exposição Ambiental , Monitoramento Ambiental , Feminino , Humanos , Reino Unido
18.
Neurology ; 35(10): 1487-90, 1985 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-4033930

RESUMO

CSF does not normally contain motile cells within flagella or cilia. When motile cells are seen in the CSF, they may be incorrectly assumed to be amebae. We studied a patient with a traumatic mucocele, in whom motile ciliated respiratory epithelial cells were seen in the CSF and within a frontal lobe brain abscess.


Assuntos
Meningoencefalite/microbiologia , Amebíase/líquido cefalorraquidiano , Amoeba/isolamento & purificação , Humanos , Masculino , Meningoencefalite/líquido cefalorraquidiano , Pessoa de Meia-Idade , Mucosa Nasal/citologia
20.
Pestic Monit J ; 11(2): 94-8, 1977 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-564021

RESUMO

The Illinois soybean crop was monitored in 1965, 1966, 1967, 1971, and 1974 for dieldrin residues resulting from aldrin applied to corn in the years before soybean cultivation. Residue levels of dieldrin in soybeans increased between 1965 and 1974. The percent of fields which had soybeans with a dieldrin level above 0.03 ppm increased between 1965 and 1974. Dieldrin residue levels in soybeans grown in Illinois are expected to decline now that the use of aldrin has diminished and will soon cease. No significant correlation was evident between the dieldrin levels in soybeans and the area of the State where they had grown, the date of planting, or the variety.


Assuntos
Dieldrin/análise , Glycine max/análise , Resíduos de Praguicidas/análise , Acetonitrilas , Cromatografia Gasosa , Cromatografia por Troca Iônica , Illinois , Fatores de Tempo
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