ỨNG DỤNG CHỈ SỐ SỐC TRONG TIÊN ĐOÁN TỬ VONG NỘI VIỆN Ở BỆNH NHÂN SUY TIM CẤP

Abstract

Background: The Shock Index (SI), calculated as the ratio between heart rate and systolic blood pressure, serves as a straightforward mathematical formula. It has demonstrated prognostic significance in non-cardiac conditions across various studies utilizing different threshold values. While the global application of SI in acute heart failure has been explored, data specific to its use in Vietnam remains limited. Objects and methods: This retrospective descriptive study was conducted on patients admitted with acute heart failure at Nhan dan Gia Định Hospital, utilizing the diagnostic criteria from the Vietnam National Heart Association (VNHA) 2022 guidelines. The primary outcome was in-hospital mortality. Multivariate logistic regression analysis was employed to identify independent predictors of in-hospital mortality. Results: Among 115 acute heart failure patients: A cut-off SI of 0.908 demonstrated high predictive accuracy for in-hospital mortality, with an area under the ROC curve (AUC) of 0.88 and a negative predictive value of 98.91%. Multivariate logistic regression analysis established SI as an independent predictor of in-hospital events and mortality in acute heart failure patients. Additionally, elevated low-density lipoprotein cholesterol (LDLc) levels and the presence of acute coronary syndrome were identified as independent predictors of in-hospital mortality in patients with acute heart failure. Conclusion: The Shock Index (SI) is a simple, rapid, and convenient tool that contributes to the prediction of in-hospital mortality in patients with acute heart failure.