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Byline: Kedar. Bangal, Kirubanand. Senniappan, Shreedhar. Joshi, Keshava. Murthy Recurrent tracheo-oesophageal fistula (rec-TEF) occurs in 5 - 10% of cases after the repair of congenital tracheo-oesophageal fistula (TEF) and oesophageal [...]

Background: Ventricular septal rupture (VSR) is a rare but grave complication of acute myocardial infarction (AMI). It is a mechanical complication of myocardial infarction where patients may present either in a compensated state or in cardiogenic shock. The aim of the study is to determine the in‑hospital mortality. The study also aims to identify the predictors of outcomes (in‑hospital mortality, vasoactive inotrope score (VIS), duration of ICU stay and mechanical ventilation in the postoperative period) and compare the clinical and surgical parameters between survivors and non‑survivors. Methods: This is a retrospective study. The data of 90 patients was collected from the medical records and the data comprising of 13 patients who underwent VSR closure by single patch technique, or septal occluder, and those who expired before receiving the treatment, was excluded. The data of 77 patients diagnosed with post-AMI VSR and who underwent surgical closure of VSR by double patch technique was included in this study. Clinical findings and echocardiography parameters were recorded from the perioperative period. The statistical software used was SPSS version 27. The primary outcome was determining the in‑hospital mortality. The secondary outcome was identifying the clinical parameters that are significantly more in the non‑survivors, and the factors predicting the in-hopsital mortality and morbidity (increased duration of ICU stay, and of mechanical ventilation, postoperative requirement of high doses of vasopressors and inotropes). Subgroup analysis was done to identify the relation of various clinical parameters with the postoperative complications. The factors predicting the in-hospital mortality were illustrated by a forest plot. Results: The mean age of the patients was 60.35 (±9.9) years, 56 (72.7%) were males, and 21 (27.3%) were females. Requirement of mechanical ventilation preoperatively (OR 3.92 [CI 2.91‑6.96]), cardiogenic shock at presentation (OR 4 [CI 2.33 – 6.85]), requirement of IABP (OR 2.05 [CI 1.38‑3.94]), were predictors of mortality. The apical location of VSR had been favorable for survival. The EUROScore II at presentation correlated with the postoperative VIS (level of significance [LS] 0.0011, R 0.36. The in‑hospital mortality in this study was 33.76%. Conclusion: The in‑hospital mortality of VSR is 33.76%. Cardiogenic shock at presentation, non‑apical site of VSR, preoperative requirement of mechanical ventilation, high VIS preoperatively, perioperative utilization of IABP, prolonged CPB time, postoperative duration of mechanical ventilation, and high postoperative VIS were the factors associated with increased odds of in‑hospital mortality. [ABSTRACT FROM AUTHOR]