Advanced glycation end products consumption and the decline of functional capacity in patients with Parkinson's disease: Cross-sectional study

Abstract Introduction Advanced Glycation End-Products (AGEs) are a diverse group of highly reactive molecules that play a vital role in the development of neurodegenerative disorders, such as Parkinson's Disease (PD), leading to a decline in functional and cognitive capacity. The objective of this study was to assess the intake and quantification of AGEs in individuals with PD and to correlate them with their functional and cognitive abilities. Methods This was a cross-sectional study involving 20 PD patients and 20 non-PD individuals as the Control group (C). The autofluorescence reader was used to evaluate skin AGEs, while food recall was used to quantify AGEs consumed for three different days. The Montreal Cognitive Assessment, Short Physical Performance Battery, and handgrip tests were used. PD patients demonstrated greater impairment in functional capacity compared to the control group. Results Dominant Handgrip (p = 0.02) and motor performance, in the sit and stand test (p = 0.01) and Short Physical Performance Battery (SPPB) (p = 0.01) were inferior in PD patients than the control group. Although PD patients tended to consume less AGEs than the control group, AGE intake was negatively correlated with handgrip strength in individuals with PD (r = -0.59; p < 0.05). Conclusion PD patients had lower strength and functional capacity, suggesting that the effects of AGEs might be exacerbated during chronic diseases like Parkinson's.

A pilot observational study to identify reference values for the 6-minute walk test in Brazilian people with hypertension / Um estudo observacional piloto para identificar valores de referência para o teste de caminhada de 6 minutos em hipertensos brasileiros

Abstract Introduction Systemic arterial hypertension (SAH) is responsible for 9.5 million deaths in the global popu-lation. Lifestyle factors, including physical inactivity, are important modifiable risk factors in the development of SAH. Thus, physical exercise has been shown to be effective to control SAH and before the prescription, the six-minute walk test (6-MWT) has been commonly used to assess the physical capacity. Objective To propose reference values for the 6-MWT test in Brazilian people with SAH. Methods A cross-sectional observational study was conducted with 302 hypertensive subjects (62.61 + 10.93 years) admitted to a cardiac rehabilitation program. Participants were divided into different age quartiles and submitted to 6-MWT. The walking distance data was compared between the quartiles and adjusted by mul-tiple linear regression analysis. Results The hypertensive subjects walked 388.07 + 115.03 m during the 6-MWT. No significant difference between the genders was found. However, when the age quartiles were compared, for the 46-59 age group, the women walked less than the men. Intra-group comparisons showed that the distance walked in the 6-MWT decreased with the increase in age, in both men and women. Conclusion The present study provides reference values for the 6-MWT, both for Brazilian men and women of different age groups. This data may be an important parameter for future clinical studies, prevention strategies, and clinical intervention.

Resumo Introdução A hipertensão arterial sistêmica (HAS) é respon-sável por 9,5 milhões de mortes na população mundial. Con-dições do estilo de vida, incluindo a inatividade física, são importantes fatores de risco modificáveis no desenvolvimento da HAS. Desse modo, o exercício físico tem se mostrado eficaz no controle da HAS e, antes da prescrição, o teste de caminhada de seis minutos (TC6) tem sido comumente utilizado para ava-liar a capacidade física. Objetivo Propor valores de referência para o teste de TC6 em brasileiros com HAS. Métodos Realizou-se um estudo observacional transversal com 302 hipertensos (62,61 + 10,93 anos) admitidos em um programa de reabilitação cardíaca. Os participantes foram divididos em diferentes quartis de idade e submetidos ao TC6. Os dados de distância percorrida foram comparados entre os quartis e ajustados por análise de regressão linear múltipla. Resultados Os hipertensos caminharam 388,07 + 115,03 m durante o TC6. Não encontrou-se diferença significativa entre os gêneros. No entanto, quando comparados os quartis de idade, para a faixa etária de 46 a 59 anos, as mulheres caminharam menos do que os homens. As comparações intragrupo mostraram que a distância percorrida no TC6 diminuiu com o aumento da idade, tanto em homens quanto em mulheres. Conclusão O presente estudo fornece valores de referência para o TC6, tanto para homens quanto para mulheres brasileiras de diferentes faixas etárias. Esses dados podem ser um parâmetro importante para futuros estudos clínicos, estratégias de prevenção e intervenção clínica.

Clinical determinants of the modified incremental step test in adults with non-cystic fibrosis bronchiectasis / Determinantes clínicos do teste do degrau incremental modificado em adultos com bronquiectasia não fibrocística

ABSTRACT Objectives: This study primarily aimed to investigate the clinical determinants of the Modified Incremental Step Test (MIST) in adults with non-cystic fibrosis bronchiectasis (NCFB). A secondary objective was to compare the cardiopulmonary responses after the MIST and Incremental Shuttle Walk Test (ISWT), two commonly adopted symptom-limited maximum field tests in chronic respiratory diseases. Methods: Forty-six patients with clinically stable bronchiectasis participated in this cross-sectional study. MIST and ISWT were performed to determine exercise capacity, while disease severity, fatigue, and quality of life were assessed using the Bronchiectasis Severity Index (BSI), the Fatigue Severity Scale (FSS), and St. George's Respiratory Questionnaire (SGRQ), respectively. Quadriceps muscle strength was evaluated using a hand-held dynamometer, walking speed with a wireless inertial sensing device, and the level of physical activity (steps/day) with a pedometer. Results: The BSI score, quadriceps muscle strength, daily step count, and the SGRQ total score explained 61.9% of the variance in the MIST (p < 0.001, R2 = 0.67, AR2 = 0.619). The BSI score (r = -0.412, p = 0.004), quadriceps muscle strength (r = 0.574, p = 0.001), daily step count (r = 0.523, p < 0.001), walking speed (r = 0.402, p = 0.006), FSS score (r = -0.551, p < 0.001), and SGRQ total score (r = -0.570, p < 0.001) correlated with the MIST. The patients achieved higher heart rates (HR), HR%, desaturation, dyspnea, and leg fatigue in the MIST compared to the ISWT (p < 0.05). Conclusions: Disease severity, quadriceps muscle strength, physical activity level, and quality of life were determinants of MIST. The advantages of the MIST, including higher cardiopulmonary response than ISWT and greater portability, which facilitates its use in various settings, make MIST the preferred choice for investigating symptom-limited exercise capacity in patients with NCFB.

RESUMO Objetivos: Este estudo teve como objetivo principal investigar os determinantes clínicos do Teste do Degrau Incremental Modificado (TDIM) em adultos com bronquiectasia não fibrocística (BNFC). Um objetivo secundário foi comparar as respostas cardiopulmonares após o TDIM e o Teste Graduado de Caminhada (TGC), dois testes de campo máximos amplamente adotados e limitados por sintomas em doenças respiratórias crônicas. Métodos: Quarenta e seis pacientes com bronquiectasia clinicamente estável participaram deste estudo transversal. O TDIM e TGC foram realizados para determinar a capacidade de exercício, enquanto a gravidade da doença, fadiga e qualidade de vida foram avaliadas usando o Índice de Gravidade da Bronquiectasia (BSI), a Escala de Gravidade da Fadiga (FSS) e o Questionário Respiratório de Saint George (SGRQ), respectivamente. A força muscular do quadríceps foi avaliada usando um dinamômetro manual, a velocidade de caminhada com um dispositivo de sensor inercial sem fio e o nível de atividade física (passos/dia) com um pedômetro. Resultados: O escore BSI, a força muscular do quadríceps, a contagem diária de passos e o escore total do SGRQ explicaram 61,9% da variação no TDIM (p < 0,001, R2 = 0,67, AR2 = 0,619). O escore BSI (r = -0,412, p = 0,004), a força muscular do quadríceps (r = 0,574, p = 0,001), a contagem diária de passos (r = 0,523, p < 0,001), a velocidade de caminhada (r = 0,402, p = 0,006), o escore FSS (r = -0,551, p < 0,001) e o escore total do SGRQ (r = -0,570, p < 0,001) correlacionaram-se com o TDIM. Os pacientes atingiram maiores frequências cardíacas (FC), FC%, dessaturação, dispneia e fadiga nas pernas no TDIM em comparação com o TGC (p < 0,05). Conclusões: A gravidade da doença, a força muscular do quadríceps, o nível de atividade física e a qualidade de vida foram determinantes do TDIM. As vantagens do TDIM, incluindo uma resposta cardiopulmonar mais elevada que no TGC e maior portabilidade, que facilita sua utilização em diversos ambientes, fazem do TDIM a escolha preferencial para investigar a capacidade de exercício limitada por sintomas em pacientes com BNFC.

Efficacy of Respiratory Muscle Training in the Immediate Postoperative Period of Cardiac Surgery: A Systematic Review and Meta-Analysis

ABSTRACT Introduction: This study aimed to evaluate the efficacy of respiratory muscle training during the immediate postoperative period of cardiac surgery on respiratory muscle strength, pulmonary function, functional capacity, and length of hospital stay. Methods: This is a systematic review and meta-analysis. A comprehensive search on PubMed®, Excerpta Medica Database (or Embase), Cumulative Index of Nursing and Allied Health Literature (or CINAHL), Latin American and Caribbean Health Sciences Literature (or LILACS), Scientific Electronic Library Online (or SciELO), Physiotherapy Evidence Database (or PEDro), and Cochrane Central Register of Controlled Trials databases was performed. A combination of free-text words and indexed terms referring to cardiac surgery, coronary artery bypass grafting, respiratory muscle training, and clinical trials was used. A total of 792 studies were identified; after careful selection, six studies were evaluated. Results: The studies found significant improvement after inspiratory muscle training (IMT) (n = 165, 95% confidence interval [CI] 9.68, 21.99) and expiratory muscle training (EMT) (n = 135, 95% CI 8.59, 27.07) of maximal inspiratory pressure and maximal expiratory pressure, respectively. Also, IMT increased significantly (95% CI 19.59, 349.82, n = 85) the tidal volume. However, no differences were found in the peak expiratory flow, functional capacity, and length of hospital stay after EMT and IMT. Conclusion: IMT and EMT demonstrated efficacy in improving respiratory muscle strength during the immediate postoperative period of cardiac surgery. There was no evidence indicating the efficacy of IMT for pulmonary function and length of hospital stay and the efficacy of EMT for functional capacity.

Relación entre Índices Antropométricos de Obesidad y Condición Física en Escolares de 9 a 14 Años de la Región de Valparaíso, Chile / Relationship Between Anthropometric Indices of Obesity and Physical Condition in Schoolchildren Aged 9 to 14 Years From the Valparaíso Region, Chile

Los objetivos de este estudio fueron 1) describir factores antropométricos asociados a la obesidad y pruebas de condición física junto con 2) determinar la correlación entre estas variables en un grupo de escolares provenientes de la región de Valparaíso. Participaron un total de 109 escolares divididos por sexo y por grupos de edad. Los escolares fueron divididos en dos grupos entre 9 a 11 años (24 hombres= 47,98 ± 10,4 kg; 145,73 ± 7,3 cm; 25 mujeres= 45,06 ± 11,1 kg; 145,30 ± 6,6 cm) y entre 12 a 14 años (24 hombres= 54,85 ± 13,2 kg; 158,42 ± 8,8 cm; 36 mujeres= 52,21 ± 9,1 kg; 155,36 ± 6,1 cm). Se realizaron evaluaciones de la condición física utilizadas en el proceso de evaluación del Sistema de Medición de la Calidad de la Educación (SIMCE) de educación física para escolares chilenos. Estas evaluaciones incluyeron parámetros de flexibilidad, carrera, salto horizontal, y resistencia muscular. Junto con esto, se evaluaron variables antropométricas como peso, estatura y perímetro de cintura para establecer índices antropométricos de obesidad como el índice de masa corporal (IMC), el perímetro de cintura (PC) y el índice de cintura estatura (ICE). Se encontraron diferencias significativas entre los grupos de hombres de los diferentes grupos de edad en las pruebas de condición física, resistencia muscular abdominal (p = 0,001), salto horizontal (p = 0,002) y prueba de carrera (p = 0,003). Entre los grupos de mujeres se encontraron diferencias significativas en las variables de condición física, salto horizontal (p = 0,002) y carrera (p = 0,003). Tanto en hombres como en mujeres del grupo de 9 a 11 años se encontraron correlaciones significativas entre las variables antropométricas con pruebas de salto horizontal y capacidad de carrera (p = 0,03, r = -0,42 - 0,83, moderado a muy fuerte). En este mismo grupo solo las mujeres presentaron una correlación significativa entre parámetros antropométricos y la prueba de resistencia muscular en flexo extensiones de codo (p < 0,05, r = -0,42 - -0,52, moderado a fuerte) y abdominales (p < 0,05, r = -0,57 - -0,60, fuerte). Para el grupo entre 12 y 14 años se obtuvieron correlaciones negativas entre el ICE y la prueba de carrera en hombres (p < 0,016, r = -0,48, moderado), PC y la prueba de carrera en mujeres (p < 0,011, r = -0,41, moderado). Sólo en mujeres fue posible encontrar correlaciones significativas entre PC, IMC e ICE con salto horizontal (p < 0,05, r = 0,38 - 0,48, moderado). Los resultados sugieren una correlación negativa entre parámetros antropométricos de exceso de peso corporal y el rendimiento en pruebas físicas, siendo en el grupo de mayor edad las mujeres quienes presentan mayor cantidad de correlaciones significativas entre variables. Estos datos refuerzan la importancia de incluir abordajes integrales en las clases de educación física considerando estilos de vida activos y saludables en conjunto con la promoción de la actividad física.

SUMMARY: The objectives of this study were 1) to describe anthropometric factors associated with obesity and physical fitness tests and 2) to determine the correlation between these variables in a group of schoolchildren from the Valparaíso region. A total of 109 schoolchildren divided by sex and age groups participated. The schoolchildren were divided into two groups between 9 to 11 years (24 males = 47,98 ± 10,4 kg; 145,73 ± 7,3 cm; 25 females = 45,06 ± 11,1 kg; 145,30 ± 6,6 cm) and between 12 to 14 years (24 males = 54,85 ± 13,2 kg; 158,42 ± 8,8 cm; 36 females = 52,21 ± 9,1 kg; 155,36 ± 6,1 cm). Physical fitness assessments used by the Sistema de Medición de la Calidad de la Educación (SIMCE) evaluation process for physical education for Chilean schoolchildren were performed. These assessments included flexibility, sprint capacity, horizontal jump, and muscular endurance parameters. In addition, anthropometric variables such as weight, height and waist circumference were evaluated to establish anthropometric indices of obesity such as body mass index (BMI), waist circumference (WC) and waist-height index (WHI). Significant differences were found between the groups of men in the different age groups in the physical fitness tests, abdominal muscular endurance (p = 0.001), horizontal jump (p = 0.002), sprint test (p = 0.003) and the anthropometric index BMI (p = 0.048). Among the female groups, significant differences were only found in the physical condition variables, horizontal jump (p = 0.002) and sprint (p = 0.003). In both males and females in the 9- to 11- year-old group, significant correlations were found between anthropometric variables and tests of horizontal jumping and sprint ability (p = 0.03, r = -0.42 - 0.83, moderate to very high). In this same group, only females presented a significant correlation between anthropometric parameters and muscular endurance tests in elbow flexion (p < 0.05, r = -0.42 - -0.52, moderate to high) and abdominals (p < 0.05, r = -0.57 - -0.60, high). For the group between 12 and 14 years, negative correlations were obtained between WHI and the sprint test in males (p < 0.016, r = -0.48, moderate), WC and the sprint test in females (p < 0.011, r = -0.41, moderate). Only in women was it possible to find significant correlations between WC, BMI and ICE with a horizontal jump (p < 0.05, r = 0.38 - 0.48, moderate). The results suggest a negative correlation between anthropometric parameters of excess body weight and performance on physical tests, with women in the older age group presenting the highest number of significant correlations between variables. These data reinforce the importance of including integral approaches in physical education classes that consider active and healthy lifestyles together with the promotion of physical activity.

Capacidad de carga turística sustentable del Parque Nacional El Veladero, Acapulco, México / Sustainable tourism carrying capacity. The case of El Veladero National Park, Acapulco, Mexico

RESUMEN Las Áreas Naturales Protegidas (ANP) son demandadas por visitantes que buscan vivir experiencias con calidad ambiental y contacto con las comunidades anfitrionas. Es por ello que, su aprovechamiento turístico debe ser de bajo impacto y que proyecte un desarrollo armónico de los recursos naturales. El objetivo del trabajo fue determinar la capacidad de carga turística del sendero en el Parque Nacional El Veladero, que permita reducir el impacto de las actividades recreativas y prevenir el deterioro ambiental. La metodología se desarrolló a partir de una revisión documental y el análisis de las condiciones sociales y ambientales del parque, que permitieron calcular la capacidad de carga turística (CCT). La capacidad de carga física (CCF) se estimó en 1 988 visitantes, la real (CCR) en 34 visitas y la efectiva (CCE) en 11 visitas por día, la cual deberá ser respetada para no demeritar la calidad del medio ambiente. La implementación de acciones que posibiliten desarrollar un aprovechamiento turístico sustentable, acorde a las condiciones naturales del sitio, así como a las culturales y sociales de la comunidad anfitriona, permitirán preservar a largo plazo la ANP estudiada. La determinación de la CCT es de utilidad para el aprovechamiento turístico, sin afectar el medio ambiente ni la generación de recursos económicos de los habitantes de la zona analizada.

ABSTRACT Natural Protected Areas (NPAs) are demanded by visitors who seek to live experiences with environmental quality and contact with host communities. For this reason, its tourist use must be of low impact and project a harmonious development of natural resources. The objective of this work was to determine the tourism carrying capacity of a trail in el Veladero National Park, which enables a reduction of the impact of recreational activities and stop environmental deterioration. The methodology was based on documentary research, and the analysis of the social and environmental conditions of the park, which enabled the calculation of the tourism carrying capacity (TCC). Results showed that the physical carrying capacity (PCC) was 1 988 visitors, the real (CCR) was 34 visits, and the effective (ECC) 11 visits per day, which must be respected so as to not negatively impact the environmental quality. Conclusions indicate that it is advisable to implement actions that enable the development of sustainable tourism, which is in line with the natural conditions of the site. In a similar vein, respecting the social and cultural traditions of the host community, will enable the longterm preservation of the studied NPA. The calculation of the TCC has been proved useful for tourist use, without negatively impacting the environment or the generation of economic benefits for the host community in the studied area.

Comprometimento da Capacidade para o Trabalho e efeitos neuropsicológicos entre trabalhadores com Covid-19 prévia / Impairment of Work Ability and neuropsychological effects among workers who have had COVID-19

RESUMO A Covid-19 é uma doença multissistêmica e consequências funcionais e tardias estão em estudo. Sequelas psicológicas e neurocognitivas podem comprometer a Capacidade para o Trabalho (CT) dos trabalhadores. Objetivou-se investigar a CT de pessoas previamente infectadas pelo Sars-CoV-2, correlacionando-a com avaliação da sonolência, ansiedade, depressão e fadiga. Estudo transversal, com trabalhadores diagnosticados com Covid-19 e em acompanhamento no Serviço de Neurologia da Universidade Estadual de Campinas (Unicamp). Aplicou-se o instrumento Índice de Capacidade para o Trabalho (ICT), um formulário com dados sociodemográficos e ocupacionais, bem como escalas de sonolência, ansiedade, depressão e fadiga. Dos 119 trabalhadores que participaram do estudo, mais da metade apresentaram comprometimento da CT (52,9%). Distúrbio emocional foi o agravo relatado mais frequente (31,9%). A regressão logística múltipla mostrou que a interação entre ansiedade e sonolência esteve associada ao comprometimento da CT (OR=4,50 com p=0,002). Ansiedade e sonolência foram alterações tardias da Covid-19 e associadas ao comprometimento da CT dos trabalhadores avaliados. Este estudo demonstra a necessidade de que todos os trabalhadores com teste positivo por Covid-19 tenham sua CT avaliada por ocasião do retorno ao trabalho. Ações de promoção à saúde, reabilitação funcional e adaptação do trabalho de acordo com as sequelas apresentadas pelos trabalhadores.

ABSTRACT COVID-19 is a multisystemic disease, with functional and late consequences still under study. Psychological and neurocognitive sequelae impact workers' quality of life and may compromise the Work Ability (WA). The objective was to investigate the WA of people infected with SARS-CoV-2, correlating it with the assessment of sleepiness, anxiety, depression and fatigue. Cross-sectional study, involving workers diagnosed with COVID-19 under follow-up at the Department of Neurology of Universidade Estadual de Campinas (UNICAMP). Application of the Work Ability Index (WAI) analyzed with sociodemographic and occupational variables, as well the sleepiness, anxiety, depression and fatigue scales. Multiple logistic regression analysis was performed. 119 workers participated in the study and, among them, more than half had WA impairment (52.9%). Emotional disorders were the most frequent reported problem (31.9%). Multiple logistic regression showed that the interaction between anxiety and sleepiness was associated with WA impairment (OR=4.50, p=0.002). Anxiety and sleepiness were associated with previous COVID-19 and they were associated with WA impairment among workers. This study shows the WA evaluation should be provided for all workers with a previous history of COVID-19, when they return to work. This assessment can guide health promotion actions, functional rehabilitation and work adaptation to the sequelae presented by workers, singularly.

Lung Function Tests in Infants and Children

Lung function testing is an essential modality of investigation in children as it provides objective evidence of lung disease/ health. With advances in technology, various tests are available that can aid in the diagnosis of lung disease, assess the progression and response to therapy and document the lung development and evolving lung diseases in infants. This narrative review discusses lung function tests in infants and children. Currently, lung function tests can be performed in every age group, from neonates to the elderly. Spirometry and peak expiratory flow rate (PEFR) are the most employed tests in children more than six years of age. Spirometry helps diagnose and monitoring of both obstructive and restrictive diseases. There is a need for expertise to perform and interpret spirometry correctly. The forced oscillation technique (FOT) or impulse oscillometry (IOS) is done with tidal volume breathing and is feasible even in preschool children. Their utility is mainly restricted to asthma in children at present. Lung function tests can be performed in neonates, infants and children using infant pulmonary function test (PFT) equipment, although their availability is limited. Diffusion capacity for carbon monoxide (DLCO) is a valuable tool in restrictive lung diseases. Lung volumes can be assessed by body plethysmography and multiple washout technique. The latter can also assess lung clearance index. It is essential to perform and interpret the lung function test results correctly and correlate them with the clinical condition for optimum treatment and outcome.

Total oxidant capacity, total antioxidant capacity, ischemic modified albumin, microRNA levels, and their relationship with psoriasis area and severity index

Aims: To examine the differences in the levels of microRNA, ischemic modified albumin (IMA), total oxidant capacity (TOC), and total antioxidant capacity (TAC) of persons with and without psoriasis and, in the case group, the relationship between these parameters and psoriasis area and severity index (PASI). Methods: Blood samples were collected from patients and healthy participants to examine levels of these parameters. Results: The mean serum TOC level was higher in the case group. The mean serum TAC and IMA levels were significantly lower in the case group (P <0.001). It was observed that the mean serum miR-203 and miR-146a levels were increased in psoriasis patients. It was determined that there was only a significant positive weak correlation between miR-203 and PASI (r = 0.232, P = 0.027). Limitations: The small sample size, not controlling serum albumin and not evaluating the effects of the treatment agents used by the patients on oxidative and inflammatory processes. Conclusion: In the case group changes in the mean serum TOC and TAC levels provide evidence that oxidative stress may play a critical role in disease pathogenesis. The increase in the mean serum miR-203 and miR-146a levels suggest the possibility of therapies targeting these microRNAs as a new option

Función antiinflamatoria y antioxidante del ácido ursólico en la pancreatitis aguda inducida por ceruleína en ratas / Anti-inflammatory and anti-oxidant role of ursolic acid in cerulein-induced acute pancreatitis in rats

Resumen Antecedentes: El ácido ursólico se encuentra en numerosas plantas y se ha informado que tiene efectos antiproteasas, antioxidantes, antiinflamatorios, antimicrobianos, nefroprotectores, hepatoprotectores y cardioprotectores. Objetivo: Este estudio tuvo como objetivo investigar los efectos del ácido ursólico en la pancreatitis aguda inducida por ceruleína. Material y métodos: Treinta y dos ratas albinas Wistar fueron asignadas aleatoriamente a cuatro grupos iguales: grupo simulado, grupo de pancreatitis aguda, grupo de tratamiento y grupo de ácido ursólico. Resultados: Los niveles de amilasa sérica en los grupos de pancreatitis aguda y de tratamiento fueron significativamente más altos que en los otros grupos (p < 0.05). Además, los niveles séricos de IL-1β, IL-6 y TNF-α fueron significativamente más altos en el grupo de pancreatitis aguda en comparación con el grupo de tratamiento. Aunque la actividad oxidante total del tejido pancreático en ambos grupos fue similar, la capacidad antioxidante total del tejido pancreático en el grupo de tratamiento fue significativamente mayor. Conclusión: Se observó que el ácido ursólico reduce el daño al páncreas y órganos remotos en la pancreatitis aguda, al igual que el estrés oxidativo.

Abstract Background: Ursolic acid (UA) is found in many plants, and has been reported to have anti-protease, antioxidant, anti-inflammatory, antimicrobial, nephroprotective, hepatoprotective, and cardioprotective effects. Objective: The purpose of this study was to investigate the effects of ursolic acid in cerulein-induced acute pancreatitis (AP). Materials and methods: Thirty-two Wistar albino rats were randomly assigned to 4 equal groups: Sham, acute pancreatitis, treatment, and ursolic acid group. Results: Serum amylase levels in the AP and treatment groups were significantly higher than in the others (p < 0.05). In addition, serum IL-1β, IL-6, and TNF-α levels were significantly higher in the AP group in comparison with the treatment group. Although pancreatic tissue total oxidant activity in the AP and treatment groups was similar, pancreatic tissue total antioxidant capacity was significantly higher in the treatment group than in the AP group. Conclusions: Damage to the pancreas and remote organs in AP was observed to be reduced by UA. In addition, oxidative stress was observed to be decreased by the effect of UA.

Capacidad antioxidante in vitro del Corryocactus brevistylus (sanky) y su efecto en la morfología del páncreas de ratas diabéticas inducidas con aloxano / In vitro antioxidant capacity of Corryocactus brevistylus (sanky) and its effect on the pancreas morphology of alloxan-induced diabetic rats

Objetivo. Determinar la capacidad antioxidante in vitro del Corryocactus brevistylus y su efecto sobre la glicemia y páncreas de ratas diabéticas inducidas con aloxano. Materiales y métodos. Se evaluó la capacidad antioxidante del extracto hidroetanólico de sanky (EHES) mediante la capacidad de reducir el 2,2-difenil-1-picrilhidracilo (DPPH) y la capacidad de reducir el ion férrico (FRAP). Se utilizaron 30 ratas adultas inducidas a diabetes con dos dosis de aloxano (80mg/kg), formándose cinco grupos (n=6), recibiendo los tratamientos vía orogástrica durante ocho días, el grupo I (agua), II (metformina 14mg/kg), grupos III-IV-V zumo de sanky a 1,0; 4,0 y 16 mL/kg, respectivamente. La glicemia fue evaluada por el método rápido (glucómetro) (primer y octavo día). Terminado el tratamiento los animales fueron sacrificados y se les extrajo el páncreas, para su estudio histopatológico. Resultados. La capacidad antioxidante del EHES mediante el DPPH, mostró un IC50 de 0,77 mg/mL, y por el método FRAP se observó el TEAC-FRAP de 22,31µg/mg. La glicemia disminuyó en el octavo día de tratamiento, respecto al primer día; también se observó disminución de la glicemia en los grupos III-V, respecto al grupo I. A nivel histológico los grupos I-II presentaron atrofia severa y necrosis moderada de los islotes de Langerhans; los grupos IV-V presentaron hipertrofia y necrosis leve multifocal a nivel del islote. Conclusiones. El extracto de sanky presenta capacidad antioxidante in vitro y el zumo ejerce un efecto hipoglicemiante y protector en páncreas.

Objective. To determine the in vitro antioxidant capacity of Corryocactus brevistylus and its effect on glycemia and the pancreas of alloxan-induced diabetic rats. Materials and methods. The antioxidant capacity of the hydroethanolic extract of sanky (HEES) was evaluated by assessing its ability to reduce 2,2-diphenyl-1-picrylhydrazyl (DPPH) and ferric ion (FRAP). We used thirty adult rats, which were induced to diabetes with two doses of alloxan (80mg/kg). Rats were distributed into 5 groups (n=6), all groups received treatment by orogastric route for eight days. Group I received water, group II received metformin 14mg/kg and groups III, IV and V received sanky juice at 1.0; 4.0 and 16 mL/kg, respectively. Glycemia was evaluated by the rapid method (glucometer) (first and eighth day). After treatment, the animals were sacrificed and the pancreas was removed for histopathological study. Results. The antioxidant capacity of HEES by DPPH showed an IC50 of 0.77 mg/mL; the FRAP method showed a TEAC-FRAP of 22.31µg/mg. Glycemia decreased on the eighth day of treatment, with respect to the first day; a decrease in glycemia was also found in groups III-V, when compared to group I. Histologically, groups I-II presented severe atrophy and moderate necrosis of the islets of Langerhans; groups IV-V presented hypertrophy and mild multifocal necrosis at the islet level. Conclusions. The extract of sanky showed antioxidant capacity in vitro and the juice exerts a hypoglycemic and protective effect on the pancreas.

Efecto del ejercicio aeróbico sobre la capacidad cardiorrespiratoria en pacientes sobrevivientes de covid-19: meta-análisis / Effect of aerobic exercise on the cardiorespiratory capacity in survivors of covid-19: a meta-analysis

El propósito del estudio fue cuantificar el tamaño de efecto (TE) del ejercicio aeróbico sobre la capacidad cardiorrespiratoria en sobrevivientes de la enfermedad COVID-19, producida por el virus SARS-CoV 2. Se revisaron dos bases de datos (EBSCO host y PubMed) entre los meses de agosto a noviembre del año 2021. Se encontraron 142 656 posibles artículos y, luego de varios filtros, se incluyeron 9 estudios que cumplían los requisitos de inclusión. Se usó el modelo de efectos aleatorios. Se obtuvieron 12 TE en un primer meta-análisis que tuvo sesgo (según prueba de Egger). Tras identificar y eliminar grupos con TE extremo, se obtuvo un modelo corregido y sin sesgo con 7 estudios y 9 TE, donde se encontró que el ejercicio aeróbico tiene un efecto significativo, positivo y de magnitud grande sobre la condición cardiorrespiratoria en sobrevivientes a la enfermedad de COVID-19 (TE = 0.849; IC95%: 0.715 - 0.982; . = 7.13; . = 0.522; I. = 0.87%; Egger . = 0.205). Las intervenciones con ejercicio aeróbico favorecen la mejora de la capacidad cardiorrespiratoria en pacientes sobrevivientes de COVID-19. Dos estudios aplicaron solo ejercicio aeróbico, mientras que los otros siete combinaban aeróbico con ejercicio de fuerza y otras modalidades. En todos los casos se tuvo TE significativo. Finalmente, estos resultados fueron relativamente homogéneos, sin evidenciar la influencia de posibles variables moderadoras.

The purpose of this study was to quantify the effect size (TE) of aerobic exercise on cardiorespiratory capacity in survivors of the COVID-19 disease caused by the SARS-CoV 2 virus. Two data bases (EBNSCO host and PubMed) were reviewed over the months of August through November, 2021. A total 142 656 potential articles were reviewed and, after applying several filters, 9 studies that met the requirements for inclusion were included. The random effect model was used. A first meta-analysis that was biased (according to Egger test) obtained 12 TE. After identifying and eliminating groups with an extreme TE, a corrected, unbiased model was obtained with 7 studies and 9 TE was obtained, where it was found that aerobic exercise has a significant, positive and large-magnitude effect on the cardiorespiratory condition on survivors of the COVID-19 disease (TE = 0.849; IC95%: 0.715 - 0.9 82; Q = 7.13; p = 0.522; I2 = 0.87%; Egger p = 0.205). Interventions with aerobic exercise foster an improvement in cardiorespiratory capacity in patients who survived COVID-19. Two studies applied aerobic exercise only, whereas the other seven combined aerobic exercise with strength exercise and other modes. In all cases, a significant TE was obtained. Finally, these results were relatively homogeneous, with no evidence for the influence of possible moderating variables.

O objetivo do estudo foi quantificar o tamanho do efeito (TDE) do exercício aeróbico na aptidão cardiorrespiratória em sobreviventes da doença COVID-19, produzida pelo vírus SARS-CoV 2. Foram revisadas duas bases de dados (EBSCO host e PubMed) entre agosto e novembro de 2021. Foi encontrado um total de 142.656 artigos em potencial e, após vários filtros, foram incluídos 9 estudos que atendiam aos requisitos de inclusão. Foi usado o modelo de efeitos aleatórios. Foram obtidos 12 TDE em uma primeira metanálise que era tendenciosa (de acordo com o teste de Egger). Depois de identificar e eliminar os grupos com TDE extremo, foi obtido um modelo corrigido e imparcial com 7 estudos e 9 TDE, no qual se constatou que o exercício aeróbico tem um efeito significativo, positivo e de grande magnitude sobre a aptidão cardiorrespiratória em sobreviventes da doença COVID-19 (TDE = 0,849; IC95%: 0,715 - 0,982; . = 7,13; . = 0,522; I. = 0,87%; Egger . = 0,205). As intervenções com exercícios aeróbicos melhoram o condicionamento cardiorrespiratório em sobreviventes da COVID-19. Dois estudos usaram apenas exercícios aeróbicos, enquanto os outros sete combinaram exercícios aeróbicos com exercícios de força e outras modalidades. Em todos os casos, houve um TDE significativo. Por fim, esses resultados foram relativamente homogêneos, sem evidências da influência de possíveis variáveis moderadoras.

Enfermedad de Pompe y compromiso respiratorio / Pompe Disease and Respiratory Impairment

Introducción: El compromiso respiratorio en la enfermedad de Pompe es una de sus manifestaciones más frecuentes, tiene un impacto negativo en la calidad de vida y facilita la aparición de múltiples complicaciones. Se puede presentar como parte evolutiva de la enfermedad o incluso ser el síntoma inicial de la patología. Contenidos: La presentación clínica del compromiso respiratorio en la enfermedad de Pompe se caracteriza por disnea, ortopnea, cefalea y tos, y sus cambios paraclínicos incluyen hipercapnia, policitemia, elevación del índice de apnea/hipopnea, así como disminución de la capacidad vital y de las presiones inspiratoria y espiratorias máximas. El compromiso respiratorio es causado principalmente por disfunción muscular (especialmente el diafragma) y alteración de la regulación del sistema nervioso central. Conclusiones: Es fundamental la valoración acuciosa inicial de los patrones respiratorios y por supuesto su seguimiento, el cual dependerá del tipo de progresión de la disfunción respiratoria (rápida o lenta) o del requerimiento específico para cada paciente (ventilación no invasiva o invasiva).

Introduction: Respiratory compromise in Pompe disease is one of the most frequent manifestations, which has a negative impact on quality of life and leads to multiple complications. This can occur as an evolutionary part of the disease, or even be the initial symptom of the pathology. Contents: Its clinical presentation is characterized by dyspnea, orthopnea, headache, and cough, and its paraclinical changes include hypercapnia, polycythemia, elevated apnea/hypopnea index, decreased vital capacity, and decreased maximum inspiratory and expiratory pressures. Respiratory compromise is caused mainly by muscular dysfunction (especially the diaphragm) and alteration of regulation of the central nervous system. Conclusions: An initial careful assessment of respiratory patterns is essential, and of course their follow-up, that will depend of the type of progression of respiratory dysfunction (rapid or slow) or the specific requirement for each patient (non-invasive or invasive ventilation).

Actividad bactericida de anticuerpos anti-ABO en colonias aisladas de Escherichia coli

Se ha estudiado la interacción entre antígenos ABO y microorganismos, incluidos los presentes en la microbiota, sobre la posible acción de antígenos y anticuerpos ABO en la susceptibilidad a enfermedades infecciosas. El objetivo de esta investigación fue determinar el título mínimo de la bacteria Escherichia coli capaz de sufrir la acción bactericida in vitro de los anticuerpos humanos anti-ABO. La selección de las muestras de sangre utilizadas se realizó mediante la aplicación de un cuestionario, fenotipado sanguíneo (un voluntario de cada fenotipo ABO) y la titulación de anticuerpos ABO. Se preparó una suspensión bacteriana (inoculo) y se agregó al suero de los voluntarios, seguido de la inoculación en Mueller Hinton Agar, luego de 24 horas, los resultados se leyeron e interpretaron con análisis por duplicado. No hubo diferencia significativa en la Prueba Bactericida entre las pruebas 1 y 2 en los grupos sanguíneos A, B, AB, O y Control Positivo. Hubo una diferencia significativa en el suero humano puro cuando se analizó el Grupo A x Control Positivo; Grupo B x Control Positivo; Grupo AB x Control Positivo y Grupo O x Control Positivo. No hubo diferencia significativa en las otras diluciones. Se concluye que los anticuerpos anti-ABO tienen efecto bactericida cuando existe una alta concentración de bacterias en el ambiente.

The interaction between ABO antigens and microorganisms, including those present in the microbiota, has been studied about the possible action of antigens and ABO antibodies in susceptibility to infectious diseases. This research aimed to determine the minimum titer of the Escherichia coli bacteria capable of undergoing in vitro bactericidal action of human anti-ABO antibodies. The selection of blood samples was performed through a questionnaire, blood phenotyping (one volunteer of each ABO phenotype), and the titration of ABO antibodies. A bacterial suspension (inoculum) was prepared and added to the serum of the volunteers, followed by inoculation in Mueller Hinton Agar. After 24 hours, the results were read and interpreted with duplicate analysis. There was no significant difference in the bactericidal test between tests 1 and 2 in blood groups A, B, AB, O, and Positive Control. There was a significant difference in pure human serum when Group A x Positive Control was analyzed, Group B x Positive Control, Group AB x Positive Control, and Group O x Positive Control. There was no significant difference in the other dilutions. It is concluded that anti-ABO antibodies have a bactericidal effect when there is a high concentration of bacteria in the environment.

Relación entre dimensiones antropométricas de tronco y valores de espirometría / Association between anthropometric dimensions of trunk and spirometry indices

Los objetivos del presente estudio fueron primero evaluar la asociación de dimensiones antropométricas de tórax y tronco con índices espirométricos, segundo, ajustar una ecuación de predicción con dimensiones antropométricas de tronco y tercero, comparar nuestro modelo predictivo con dos ecuaciones diagnósticas. Se evaluaron 59 estudiantes universitarios entre 20 y 40 años, de ambos sexos, sin hábito tabáquico. Las variables consideradas fueron: edad, sexo, peso, estatura, diámetro transverso de tórax, diámetro anteroposterior de tórax, perímetro de tórax, altura de tórax, altura de tronco, flujo espiratorio máximo (FEM), volumen espiratorio forzado en el primer segundo (VEF1) y capacidad vital forzada (CVF). Se utilizó el análisis de regresión múltiple para estimar los valores espirométricos en función de las variables demográficas y antropométricas. La CVF y el VEF1 tienen asociación lineal directa con el diámetro transverso de tórax, altura de tórax, perímetro de tórax y altura de tronco. Se ajustó una ecuación de regresión lineal múltiple que indicó que es posible estimar la CVF y el VEF11 en función de la altura de tronco y el perímetro de tórax para ambos sexos. Estas variables son capaces de explicar el 74 % de los valores de CVF y el 68 % de los valores de VEF1. Al comparar los valores obtenidos por nuestras ecuaciones predictivas con las ecuaciones de referencia nacional observamos que nuestros resultados son más cercanos a los de Quanjer et al. (2012) que a los de Knudson et al. (1983). La altura de tronco y el perímetro de tórax tienen asociación directa con el VEF1 y CVF y son buenos predictores del VEF1 y CVF en estudiantes universitarios. Nuestros valores estimados son más cercanos a las ecuaciones de Quanjer et al. (2012) en comparación a las estimaciones de Knudson (1983).

SUMMARY: The purposes of the present study were first to evaluate the association between anthropometric dimensions of the thorax and trunk with spirometric indices, second, to fit a prediction equation with anthropometric dimensions of the trunk, and third, to compare our predictive model with two diagnostic equations. Fifty-nine university students between 20 and 40 years old, of both sexes and non-smokers were recruited. Variables considered were age, sex, weight, height, chest transverse diameter, chest anteroposterior diameter, chest perimeter, chest height, trunk height, maximum expiratory flow (PEF), forced expiratory volume in the first second (FEV1) and forced vital capacity (FVC). Multiple regression analysis was used to estimate spirometric values based on demographic and anthropometric variables. FVC and FEV1 have a direct linear association with chest transverse diameter, chest height, chest circumference, and trunk height. A multiple linear regression equation was fitted, indicating that it is possible to estimate FVC and FEV1 as a function of trunk height and chest girth for both sexes. These variables can explain 74% of the FVC values and 68% of the FEV1 values. Comparing the values obtained by our predictive equations with the national reference equations, we observe that our results are closer to those of Quanjer et al. (2012) than to those of Knudson et al. (1983). Trunk height and chest circumference have a direct association with FEV1 and FVC and are good predictors of FEV1 and FVC in university students. Our estimated values are closer to Quanjer et al. (2012) than Knudson et al. (1983) prediction equations.

Oferta de leitos exclusivos para Covid-19 no estado do Espírito Santo / Offer of exclusive beds for COVID-19 in the state of Espírito Santo

RESUMO A pandemia trouxe vários desafios a toda estrutura social, requisitando a organização e desenvolvimento de políticas públicas para conduzir o quadro sanitário. Com relação à saúde, as ações inicialmente envolveram medidas não farmacológicas e preparação do sistema de saúde. No caso do Brasil, em março de 2020 foram deliberadas portarias específicas sobre a oferta de leitos UTI Covid-19. Em abril de 2020, o estado do Espírito Santo iniciou a estruturação dos hospitais referência para Covid-19 habilitando leitos em hospitais públicos de gestão direta e indireta, e em hospitais privados e filantrópicos. Assim sendo, o objetivo deste estudo é analisar a relação de compra e oferta de leitos exclusivos para Covid-19 pela rede SUS no estado do Espírito Santo. Os dados revelam uma rede com diferentes formatos jurídicos, com forte presença de setor filantrópico, seja por Organizações Sociais de Saúde (OSS) ou hospitais. Por fim, o estudo concluiu que a condução da rede hospitalar para leitos UTI Covid-19 ocorreu pela heterogeneidade de formatos jurídicos, com a participação da gestão pública direta substituída por diferentes tipos de gestão, condicionando o estado a reafirmar as contratualizações conforme lógica do mercado.

ABSTRACT The pandemic brought several challenges to the entire social structure, demanding the organization and development of public policies to guide the health situation. With regard to health, actions so far have involved non-pharmacological measures and preparation of the health system. In the case of Brazil, in March 2020, specific ordinances were deliberated on the offer of COVID-19 ICU beds. In April 2020, the state of Espírito Santo began structuring reference hospitals for COVID-19, enabling beds in public hospitals under direct and indirect management, and in private and philanthropic hospitals. Therefore, the objective of this study is to analyze the relationship of purchase and supply of exclusive beds for COVID-19 by the SUS network in the State of Espírito Santo. The data reveal a network with different legal formats, with a strong presence of the philanthropic sector, whether by Social Health Organizations (OSS) or hospitals. Finally, the study concluded that the conduction of the hospital network for COVID-19 ICU beds occurred due to the heterogeneity of legal formats, with the participation of direct public management replaced by different types of management, conditioning the state to reaffirm the contractualizations according to market logic.

Fila única de leitos e a pandemia de COVID-19: atuação do Poder Legislativo Federal no ano de 2020 / Single waiting list for hospital beds during the COVID-19 pandemic: performance of the Federal Legislative Branch in 2020

Resumo A pesquisa investigou proposições legislativas sobre fila única de internações e leitos de UTI no âmbito do Poder Legislativo Federal no primeiro ano da pandemia. Tratou-se de estudo exploratório, qualitativo e de base documental que analisou projetos de leis sobre o tema. Os resultados foram organizados conforme o perfil dos autores e o conteúdo qualitativo dos projetos. Preponderaram parlamentares do sexo masculino, filiados a partidos de esquerda e com formação profissional em áreas que não a da saúde. A maioria das proposições tratou de fila única geral, especificando leitos hospitalares, gestão mista e indenização mediante tabela SUS. A Câmara dos Deputados apresentou mais projetos, porém pouco tem avançado em suas tramitações. Entre os projetos analisados, apenas um foi priorizado na Comissão Externa de Enfrentamento à COVID-19. Concluiu-se que o Poder Legislativo Federal perdeu, uma vez mais, oportunidade valiosa de legislar para o futuro e preparar o país com um arcabouço normativo capaz de enfrentar emergências sanitárias ainda desconhecidas, mas que exigirão muito dos gestores e do SUS.

Abstract This study investigated legislative proposals on the single waiting list for hospitalizations and ICU beds within the scope of the Federal Legislative Branch in the first year of the pandemic (2020). This was an exploratory, qualitative, and document- based study, which analyzed bills analyzed in the Brazilian National Congress on the subject. The results were organized according to the authors' profile and qualitative content of the bills. There was a predominance of male parliamentarians, affiliated with left-wing parties and professional training in areas other than health. Most bills dealt with a general single waiting list, specifying hospital beds, the mixed management of hospital beds, and indemnity through the Brazilian Unified Health System's (SUS, in Portuguese) price table. The House of Representatives presented more bills, but no progress was made in their processing. Among the analyzed bills, only one was prioritized in the External Commission to Combat COVID-19. It was concluded that the Federal Legislative Branch once again missed the chance to legislate for the future and prepare the country with a normative framework capable of confronting health emergencies, which will demand much from health managers and SUS itself.

Reproductive rights of women with intellectual disability in India.

The reproductive rights of women with intellectual disability (WID) are a matter of concern for all stakeholders, including the woman herself, caregivers, guardians and her treating physicians. The judicial system often calls upon psychiatrists to opine regarding the “capacity to consent” of a WID to procedures such as medical termination of pregnancy and permanent sterilisation. Apart from physical and obstetric examinations, assessment of mental status and intelligence quotient (IQ) are also carried out to facilitate an understanding of the above issue. The Rights of Persons with Disabilities Act, 2016, (RPwD) and the Mental Healthcare Act, 2017, elucidate what constitutes free and informed consent as well as how to assess capacity. The assessment process of “capacity to consent” to reproductive system procedures among WID is important and can guide clinicians. Before assessing capacity, the treating physicians should educate a WID with appropriate information on the proposed procedure, its risks and benefits through various means of communication and then evaluate the “capacity to consent” to the procedure. This article summarises the provisions of the existing legislations on the reproductive rights of WID and puts forward guidance for clinicians on how to approach the issue.

A comparison between propofol and sevoflurane for easy insertion of laryngeal mask airway among adults in minor elective surgeries: An observational study

Background: The laryngeal mask airway (LMA) has reached ample popularity for the management of airway during surgery. Propofol, used as induction agent, causes change in blood pressure and heart rate (HR) while insertion of LMA. Sevoflurane, whereas, has the potential to be a good induction agent as propofol. We have compared propofol and sevoflurane for easy insertion of LMA among adults in minor surgeries. Aim and Objectives: The primary objective of the study was to compare the ease of insertion of LMA and its characteristics related to insertion among adults in minor elective surgeries using intravenous propofol or inhalational sevoflurane. While time taken to set induction and actual event of LMA insertion along with number of attempts, jaw relaxation time, LMA insertion time, apnea time, monitoring hemodynamic changes, and occurrence of complications were taken as secondary objectives. Materials and Methods: It was a prospective and observational study done in Department of Anesthesiology and Operation Theaters of Fortis Hospital, Kolkata, after getting ethical approval. Total 100 patients were recruited by consecutive sampling and divided into two groups - P (propofol) and S (sevoflurane) group. Anesthesia induction time, jaw relaxation time, LMA insertion time, etc. were noted. LMA insertion conditions were assessed by a 3-point scale using six variables, total score was calculated for each group. Hemodynamic parameters and induction complications were also recorded. Results: There was no significant difference in demographic parameters, American Society of Anesthesiologists class, Modified Mallampati Grading, and LMA size, between the groups. LMA insertion time was comparable between the two groups. Regarding complications, there was no incidence of coughing while minor gagging (4%) and laryngospasm (6%) were noted only with sevoflurane. Final summation of scores showed excellent insertion characteristics with propofol (94%) and sevoflurane (84%), respectively, with no significant difference. Conclusion: Inhalational sevoflurane may be regarded as a viable alternative to inj. propofol for insertion of laryngeal mask among adults in minor elective surgeries.

Evaluación de la capacidad de centrado y transporte apical de los sistemas Reciproc Blue y XP-endo Shaper / Evaluation of the centering and apical transport capacity of Reciproc Blue and XP-endo Shaper systems

Resumen Objetivo: Comparar la capacidad de centrado y el transporte apical de los sistemas Reciproc Blue y XP-endo Shaper en bloques de resina con fotografías pre y posoperatorias yuxtapuestas, mediante un programa de análisis de imágenes. Materiales y Métodos: Se dividieron al azar 20 tacos de resina en dos grupos (n=10) preparados con XP-endo Sha- per y Reciproc Blue respectivamente. Se tomaron fotografías digitales de los tacos, antes y después de la preparación con cada sistema en una misma posición. Luego las fotografías obtenidas fueron yuxtapuestas mediante el software Photo shop. Se midieron las desviaciones del centro del conducto con respecto a la pared interna y externa del mismo en diversos puntos de referencia preestablecidos. Estos datos fueron analizados estadísticamente con el test de ANOVA. Resultados: Ambos sistemas produjeron transporte y desviación respecto a la trayectoria original del conducto radicular, pero el análisis estadístico (ANOVA Factorial 2x8) no cuantificó diferencias significativas entre ambos sistemas (p=0,4044) Conclusiones: Bajo las condiciones de este trabajo, ambos sistemas producen transporte y desviación respecto a la trayectoria original del conducto radicular.

Abstract Aim: To compare the centering capacity and apical transport of the Reciproc Blue and X-Pendo Shaper system in resin blocks with juxtaposed pre and postoperative photographs, using the Photoshop software. Materials and methods: 20 resin plugs were randomly divided into two groups (n=10) that were prepared with XP-endo Shaper and Reciproc Blue respectively. Digital photographs of the blocks were taken, before and after preparation, with each system in the same position. Then the obtained photographs were juxtaposed using Photoshop software. The deviations of the center of the canal, with respect to its inter nal and external wall, were measured at various pre-established reference points. These data were statistically analysed with the ANOVA test. Results: Both systems produced transport and deviation from the original trajectory of the root canal, but the statistical analysis (2x8 Factorial ANOVA) did not quantify significant differences between both systems (p=0.4044) Conclusions: Under the conditions of this work, both systems produce transport and deviation with respect to the original trajectory of the root canal.