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El efecto del pericardio en la función sistólica ventricular en el hombre
Circulation
|February 1, 1980
Resumen
El pericardio no afecta significativamente la función ventricular en pacientes con presiones de llenado normales o moderadamente elevadas. Este estudio no encontró cambios en la función sistólica ventricular izquierda o derecha después de la pericardiotomía.
Área de la Ciencia:
- Cardiología Cardiología.
- Cirugía cardíaca Cirugía cardíaca.
- Fisiología Fisiología Fisiología.
Sus antecedentes:
- El pericardio, un saco que rodea el corazón, juega un papel en la mecánica cardíaca.
- Comprender su influencia en la función ventricular es crucial, especialmente en contextos quirúrgicos.
Objetivo del estudio:
- Para investigar el papel del pericardio en la función ventricular humana.
- Para evaluar el impacto de la pericardiotomía en el rendimiento sistólico ventricular izquierdo y derecho.
Principales métodos:
- La función ventricular se evaluó en 20 pacientes antes y después de la pericardiotomía durante la cirugía de derivación de la arteria coronaria.
- Las curvas de la función ventricular se generaron alterando la presión venosa a través de cambios en la posición del cuerpo.
- La presión venosa central y la presión de la cuña pulmonar se monitorearon en un rango de valores normales a moderadamente elevados.
Principales resultados:
- La pericardiotomía no alteró la relación entre el índice de trabajo del ictus ventricular izquierdo y la presión de la cuña pulmonar.
- No se observaron cambios significativos en la relación entre el índice de trabajo del ictus ventricular derecho y la presión venosa central.
- El acoplamiento entre las presiones ventriculares derecha e izquierda no se vio afectado por la pericardiotomía.
Conclusiones:
- En individuos con presiones de llenado normales a moderadamente elevadas, el pericardio no parece influir en la función sistólica de ninguno de los ventrículos.
- El pericardio no afecta el acoplamiento funcional entre los ventrículos derecho e izquierdo en estas condiciones hemodinámicas.
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