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On-line version ISSN 1029-3019


TORRES QUINONES, Lorchen; ROSABAL GARCIA, Yoandro  and  OLIVARES ALVAREZ, Diana Rosa. Survival of patients with low cardiac output syndrome in the postoperative period. MEDISAN [online]. 2023, vol.27, n.6  Epub Dec 19, 2023. ISSN 1029-3019.


Heart surgical intervention is complex, but with satisfactory results for the patient, because it increases his survival and life quality. The low cardiac output syndrome in the postoperative period is one of the entities that darkens the prognosis of this operation and elevates the morbidity and mortality indexes in these patients.


To estimate the survival of patients with low cardiac output syndrome in the postoperative period according to clinical and echocardiographyc variables.


A cohort investigation of survival in 56 operated patients was carried out, who were diagnosed with postoperative low cardiac output syndrome and were assisted in the Cardiology and Cardiovascular Surgery Center of Santiago de Cuba, from January, 2019 to November, 2021.


There was prevalence of the 65 years and over age group (60.7%), the diabetes mellitus (44.6%) as personal pathological history and patients with ejection fraction of 45% or more who presented higher quantity of deaths (29.8%). The function of the affected right ventricle was found in 52.6% of deaths. The time of extracorporeal circulation of 90 minutes or more prevailed in 67.9% of those affected, of whom 42.1% died.


It was observed that diabetes mellitus, the time of extracorporeal circulation and the long perioperative bleeding, as well as the biventricular systolic function was related to the prognosis of low cardiac output syndrome in the postoperative period.

Keywords : low cardiac output; valvular surgical intervention; survival; postoperative period.

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