Effect of Delayed Surgery for Ventricular Septal Rupture on Postoperative Outcomes

Overview

Journal Cureus

Specialty Biomedical Engineering

Date 2024 Sep 12

PMID 39262563

Authors

Kohei Sumi

Tomohiro Iwakura

Ryangwon Yoon

Yoshinori Nakahara

Masanari Kuwabara

Akira Marui

Affiliations

Soon will be listed here.

Abstract

Objectives: The prognosis of ventricular septal rupture (VSR) after acute myocardial infarction remains poor; hence, surgical repair is essential. However, the appropriate timing for surgical intervention remains unclear. We aimed to compare the prognosis between early (<96 hours) and delayed (≥96 hours) surgery for VSR.

Methods: This single-center, retrospective cohort study used data from 49 patients who underwent VSR repair after acute myocardial infarction (AMI) between 2007 and 2022 at our institution. In-hospital and one-, three-, and 10-year mortality and major adverse cardiac and cerebrovascular events were compared between the early (group A) and delayed (group B) surgery after AMI.

Results: No significant differences were found between the patients' backgrounds of the two groups. The in-hospital mortality rates were 37.5 and 16.0% for groups A and B, respectively ( = 0.114). The overall survival rates estimated using Kaplan-Meier analysis were 66.5 ± 6.9, 58.2 ± 7.5, and 28.8 ± 10.6% after one, three, and 10 years, respectively. The mortality rates in group B at three (hazard risk ratio: 2.691; 95% confidence interval: 1.02-7.097) and 10 (hazard risk ratio: 2.575; 95% confidence interval: 1.125-5.891) years were significantly better than those in group A. Major adverse cardiac and cerebrovascular events were significantly different between the two groups at all time points.

Conclusions: These results showed that patients who underwent surgery for VSR 96 hours after AMI had better long-term survival than those who underwent surgery within 96 hours.

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