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Efecto de la ingestión de carne en el colesterol plasmático de los vegetarianos
JAMA
|August 7, 1981
Resumen
Añadir carne de res a una dieta vegetariana aumentó significativamente el colesterol total y la presión arterial sistólica. Este ensayo controlado sugiere que el consumo de carne de res impacta negativamente en marcadores clave de salud cardiovascular.
Área de la Ciencia:
- Salud cardiovascular La salud cardiovascular es la salud cardiovascular.
- Ciencias de la Nutrición Ciencias de la Nutrición
- Estudios de impacto en la dieta Estudios de impacto en la dieta.
Sus antecedentes:
- Las dietas vegetarianas a menudo se asocian con una mejor salud cardiovascular.
- El impacto específico de la reintroducción de la carne de res en una dieta vegetariana a largo plazo requiere más investigación.
Objetivo del estudio:
- Evaluar los efectos de la incorporación de carne de res a una dieta vegetariana en los niveles de lípidos plasmáticos y la presión arterial.
- Evaluar cambios en biomarcadores específicos relacionados con la función cardiovascular.
Principales métodos:
- Un ensayo prospectivo controlado que involucró a 21 vegetarianos estrictos durante ocho semanas.
- La inclusión de 250g de carne de res isocalóricamente durante cuatro semanas, entre paréntesis por períodos de control de dos semanas en su dieta habitual.
Principales resultados:
- El colesterol total plasmático aumentó un 19% durante el período de consumo de carne de res.
- La presión arterial sistólica aumentó significativamente en un 3% en comparación con los períodos de control.
- El colesterol de lipoproteína de alta densidad y otros biomarcadores medidos no mostraron cambios significativos.
Conclusiones:
- El consumo de carne de res puede afectar negativamente los perfiles lipídicos plasmáticos, específicamente aumentando el colesterol total.
- La incorporación de carne de res a una dieta vegetariana puede conducir a cambios desfavorables en la presión arterial.
- Los hallazgos sugieren la necesidad de precaución con respecto al consumo de carne de res para las personas que se adhieren o consideran dietas vegetarianas.
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