Abstract

BackgroundIn recent years, attention has shifted to the role of right ventricular (RV) dysfunction in prediction of clinical outcome among patients with septic shock. However, very few studies have correlated RV dysfunction with survival early in the course of sepsis. In the period from September 2021 to July 2022, we included a total number of 248 patients within 24 h of their presentation with sepsis. All patients were subjected to a comprehensive echocardiographic study to evaluate different parameters of RV function and LV systolic and diastolic functions. We aimed primarily to study the predictive value of RV dysfunction on 30-day all-cause mortality rates and ventilator-free days.ResultsAlmost half of study population (48.4%) showed evidence of RV dysfunction (in isolation or with LV dysfunction), with 25.4% showing evidence of isolated RV dysfunction. Patients with RV dysfunction had a significantly higher APACHE 2 (P < 0.001) score and 30-day all-cause mortality rates (P = 0.003) compared to those without RV dysfunction. A significant association was reported between 30-d mortality and dysfunction status (P = 0.025). Those with no dysfunction had lower mortality (14.1%) than in those with RV dysfunction only (33.3%), LV dysfunction only (20%), and RV + LV dysfunction (31.6%). No significant difference was observed in ventilator free days according to dysfunction status (P = 0.081). A multivariate logistic regression analysis showed that RV dysfunction was among the significant independent predictors for 30-day mortality (OR 2.01, 95% CI 1.07–3.81, P = 0.031), controlling for the effect of age and gender.ConclusionsIn a cohort of ICU patients with early sepsis, RV dysfunction is found to be common and predictive of 30-day mortality irrespective to the LV function.

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