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Consumo de pescado y riesgo de accidente cerebrovascular en hombres
Ka He1, Eric B Rimm, Anwar Merchant
1Department of Nutrition, Harvard School of Public Health, 665 Huntington Ave, Boston, Mass 02115, USA. khe@hsph.harvard.edu
JAMA
|December 27, 2002
Resumen
Comer pescado al menos una vez al mes reduce significativamente el riesgo de accidente cerebrovascular isquémico en los hombres. El mayor consumo de pescado no proporcionó beneficios adicionales para la prevención del ictus.
Área de la Ciencia:
- Epidemiología cardiovascular.
- La ciencia nutricional es una ciencia nutricional.
- Salud pública La salud pública.
Sus antecedentes:
- La asociación entre el consumo de pescado, ácidos grasos omega-3 y el riesgo de accidente cerebrovascular no está bien establecida.
- Existe incertidumbre con respecto al impacto de los ácidos grasos poliinsaturados de cadena larga (PUFA) en la dieta sobre la enfermedad cerebrovascular.
Objetivo del estudio:
- Investigar la relación entre la ingesta de pescado, el consumo de AGPI omega-3 de cadena larga y la incidencia de ACV en una población masculina.
- Aclarar el papel de los factores dietéticos en la estratificación del riesgo de ictus.
Principales métodos:
- Estudio de cohorte prospectivo (Estudio de seguimiento de profesionales de la salud) en el que participaron 43.671 hombres durante 12 años.
- Utilizó cuestionarios de frecuencia de alimentos validados para evaluar la ingesta dietética, incluidos el pescado y los AGPI omega-3.
- Análisis del riesgo relativo (RR) de subtipos de ictus basado en la ingesta dietética acumulada.
Principales resultados:
- Los hombres que consumían pescado al menos una vez al mes tenían un riesgo significativamente menor de accidente cerebrovascular isquémico (RR, 0,56).
- El aumento de la ingesta de pescado más allá de una vez al mes no produjo una mayor reducción del riesgo de accidente cerebrovascular isquémico.
- No se observó una asociación significativa entre la ingesta de pescado y el riesgo de accidente cerebrovascular hemorrágico.
Conclusiones:
- El consumo de pescado mensual o con mayor frecuencia se asocia con un riesgo reducido de accidente cerebrovascular isquémico en los hombres.
- La ingesta dietética de pescado representa un factor modificable para la prevención primaria del accidente cerebrovascular isquémico.
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