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Las venas varicosas en el África tropical
Lancet (London, England)
|April 9, 1977
Resumen
La prevalencia de venas varicosas en Tanzania fue del 5,5%, intermedio entre las regiones en desarrollo y desarrolladas. Los hallazgos apoyan un vínculo entre las dietas bajas en fibra y las venas varicosas, no la postura de defecación.
Área de la Ciencia:
- Epidemiología La epidemiología.
- Salud Vascular La salud vascular.
- Ciencias de la Nutrición Ciencias de la Nutrición
Sus antecedentes:
- Las venas varicosas son una condición vascular común con una prevalencia variable a nivel mundial.
- Se supone que la ingesta de fibra dietética influye en el riesgo de desarrollar venas varicosas.
Objetivo del estudio:
- Para determinar la prevalencia de las venas varicosas en una población tanzana.
- Para investigar la asociación entre la dieta, la postura de defecación y el desarrollo de venas varicosas.
Principales métodos:
- Estudio transversal de 1259 tanzanos en una ciudad provincial.
- La recopilación de datos incluyó el examen físico para las venas varicosas y la evaluación dietética (peso de las heces como un sustituto de la ingesta de fibra).
Principales resultados:
- La prevalencia de venas varicosas fue del 5,5% (6,1% en hombres, 5,0% en mujeres) entre 1000 adultos mayores de 18 años.
- El peso medio diario de las heces fue de 228 g, lo que indica una ingesta intermedia de fibra en comparación con las dietas tradicionales africanas y occidentales.
- La postura en cuclillas durante toda la vida para la defecación no mostró un efecto protector.
Conclusiones:
- La prevalencia de venas varicosas observada es intermedia, alineándose con los niveles de fibra dietética.
- Los hallazgos apoyan la hipótesis de que una dieta pobre en fibra contribuye al desarrollo de venas varicosas.
- La postura de defecación no parece ser un factor de protección significativo contra las venas varicosas.
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