Video Experimental Relacionado

Updated: Jul 6, 2026

Characterizing Exon Skipping Efficiency in DMD Patient Samples in Clinical Trials of Antisense Oligonucleotides

Characterizing Exon Skipping Efficiency in DMD Patient Samples in Clinical Trials of Antisense Oligonucleotides

Published on: May 7, 2020

DOTS de miembros de la familia y DOTS de la comunidad para el control de la tuberculosis en Nepal: ensayo controlado

James N Newell¹, Sushil C Baral, Shanta B Pande

¹Nuffield Centre for International Health and Development, Institute of Health Sciences and Public Health Research, University of Leeds, Leeds LS2 9PL, UK. j.n.newell@leeds.ac.uk

Lancet (London, England)

|March 21, 2006

Resumen

El tratamiento directamente observado, las estrategias de corto curso (DOTS) que utilizan miembros de la comunidad o miembros de la familia lograron altas tasas de éxito en el tratamiento de la tuberculosis en Nepal. Estos enfoques de respuesta al paciente son adecuados cuando la observación del trabajador de salud no es factible.

Área de la Ciencia:

Salud Pública La salud pública.
Epidemiología de las enfermedades infecciosas.
Salud Global La salud global.

Sus antecedentes:

El tratamiento de observación directa, curso corto (DOTS) es una estrategia clave para el control de la tuberculosis.
Las directrices de la Organización Mundial de la Salud (OMS) recomiendan la observación de los trabajadores de la salud, pero faltan pruebas.
El programa nacional de tuberculosis de Nepal buscó alternativas para los distritos remotos de las colinas.

Objetivo del estudio:

Evaluar las tasas de éxito de dos estrategias DOTS en los distritos montañosos de Nepal.
Para comparar el DOTS basado en la comunidad con el DOTS de los miembros de la familia.

Principales métodos:

Se realizó un ensayo controlado aleatorizado por clúster en diez distritos de Nepal.
El estudio comparó el DOTS comunitario (549 pacientes) con el DOTS de los miembros de la familia (358 pacientes).
El resultado primario fue la tasa de éxito del tratamiento, analizado por intención de tratar.

Principales resultados:

Ambas estrategias lograron altas tasas de éxito: 85% para el DOTS comunitario y 89% para el DOTS familiar.
Los DOTS de miembros de la familia mostraron una tasa de éxito ligeramente más alta, aunque no estadísticamente significativa (OR 0,67; p=0,09).
Las tasas de búsqueda de casos fueron más altas con DOTS comunitario (63%) en comparación con DOTS de miembros de la familia (44%).

Conclusiones:

Tanto las estrategias DOTS de la comunidad como las de los miembros de la familia cumplen con los objetivos internacionales de éxito del tratamiento de la tuberculosis.
Estos enfoques DOTS sensibles al paciente son apropiados para los distritos montañosos de Nepal y potencialmente otros entornos con recursos limitados.
Los hallazgos apoyan la adopción de estas estrategias dentro de las políticas mundiales de control de la tuberculosis.

Más Videos Relacionados

Visualizing Field Data Collection Procedures of Exposure and Biomarker Assessments for the Household Air Pollution Intervention Network Trial in India

Visualizing Field Data Collection Procedures of Exposure and Biomarker Assessments for the Household Air Pollution Intervention Network Trial in India

Published on: December 23, 2022

Randomized, Triple-Blind, and Parallel-Controlled Trial of Transcranial Direct Current Stimulation for Cognitive Rehabilitation after Stroke

Randomized, Triple-Blind, and Parallel-Controlled Trial of Transcranial Direct Current Stimulation for Cognitive Rehabilitation after Stroke

Published on: June 6, 2025

Videos de Conceptos Relacionados

Controls in Experiments

Controls in Experiments

When conducting an experiment, it is crucial to have control to reduce bias and accurately measure the dependent variables. It also marks the results more reliable. Controls are elements in an experiment that have the same characteristics as the treatment groups but are not affected by the independent variable. By sorting these data into control and experimental conditions, the relationship between the dependent and independent variables can be drawn. A randomized experiment always includes a...

Randomized Experiments

Randomized Experiments

The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally assigned. Randomization is meant to eliminate selection bias and balance known and unknown confounding factors so that the control group is similar to the treatment group as much as possible. A computer program and a random number generator can be used to assign participants to groups in a way that minimizes bias.
Simple randomization
Simple...

Study Designs in Epidemiology

Study Designs in Epidemiology

Epidemiological study designs are fundamental tools for investigating the distribution, determinants, and control of health conditions in populations. They help researchers understand the relationships between exposures and outcomes, and they broadly fall into two categories: "observational" and "experimental" studies.
Observational studies are those where the researcher does not intervene but rather observes natural variations. They include cross-sectional, cohort, and case-control studies.

McNemar's Test

McNemar's Test

McNemar's Test is a nonparametric statistical test used to determine if there is a significant difference in proportions between two related groups when the outcome is binary (e.g., yes/no, success/failure). It is beneficial when we have paired data, such as pre-test/post-test designs, where the same subjects are measured under two different conditions. The test is named after the statistician Quinn McNemar, who introduced it in 1947. It is commonly used in situations where subjects are...

Community Based Intervention

Community Based Intervention

Community-based interventions in mental health represent a paradigm shift from institution-centered care to treatments embedded within the fabric of local communities. By prioritizing inclusion and leveraging existing societal structures, this approach fosters a supportive environment conducive to addressing mental health challenges while promoting individual dignity and agency.
Foundations of Community Mental Health Programs
Central to the success of community-based interventions is the...