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Asociaciones entre la anemia postoperatoria persistente y la mortalidad 1 año después de la cirugía valvular del
Hee Won Choi1, Hyun-Soo Zhang2, Jae-Kwang Shim1,3
1Department of Anaesthesiology and Pain Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea.
Anaesthesia
|August 27, 2025
Resumen
La anemia persistente después de la cirugía valvular cardíaca aumenta significativamente el riesgo de mortalidad a 1 año. Este estudio encontró que los pacientes con anemia antes y después de la cirugía, o que desarrollaron anemia después de la cirugía, se enfrentaron a las tasas de mortalidad más altas.
Área de la Ciencia:
- Cardiología
- Hematología
- Resultados quirúrgicos
Sus antecedentes:
- La anemia perioperatoria es frecuente en pacientes sometidos a cirugía cardíaca.
- Existe una comprensión limitada con respecto a la anemia postoperatoria, la recuperación de la hemoglobina y la mortalidad después del alta.
- Las prácticas restrictivas de transfusión son cada vez más comunes en el manejo de la anemia.
Objetivo del estudio:
- Investigar la asociación entre la anemia preoperatoria y la anemia posoperatoria persistente con la mortalidad al año.
- Para analizar los riesgos de mortalidad en pacientes sometidos a cirugía valvular cardíaca en función del estado de la anemia antes y después de la cirugía.
Principales métodos:
- Se analizó una cohorte de 2486 pacientes sometidos a cirugía valvular cardíaca.
- Los pacientes se clasificaron en cuatro grupos basados en el estado de anemia preoperatorio y postoperatorio de 2 meses.
- El resultado primario medido fue la mortalidad a 1 año.
Principales resultados:
- La anemia preoperatoria afectó al 44,5% de los pacientes; el 11,9% tuvo anemia persistente 2 meses después de la cirugía.
- La tasa más alta de mortalidad a 1 año fue del 17,8% en el grupo de anemia pre y postoperatoria.
- La anemia posoperatoria persistente, especialmente sin anemia preoperatoria, mostró el mayor riesgo de mortalidad al año (HR 14,44).
Conclusiones:
- La anemia persistente 2 meses después de la cirugía valvular cardíaca es común.
- La anemia postoperatoria es un predictor independiente significativo del aumento del riesgo de mortalidad a 1 año en estos pacientes.
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