Early and Late Surgical Outcomes after Geometrical Infarct Exclusion for Post-Infarct Ventricular Septal Perforation
Hiroshi Kurazumi1, Ryo Suzuki1, Shigeru Ikenaga2
1Division of Cardiac Surgery, Department of Surgery and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi, Japan.
Summary
Geometric infarct exclusion (GIE) surgery for ventricular septal perforation (VSP) after heart attack takes longer but reduces residual shunts and reoperations compared to other methods.
Area of Science:
- Cardiovascular Surgery
- Cardiac Surgery Outcomes
- Myocardial Infarction Complications
Background:
- Ventricular septal perforation (VSP) is a severe complication of acute myocardial infarction.
- Current surgical treatments for VSP yield unsatisfactory outcomes.
- The Komeda-David technique is a known surgical approach for VSP.
Purpose of the Study:
- To evaluate the efficacy of geometrical infarct exclusion (GIE) in treating VSP.
- To compare surgical outcomes of GIE with other VSP surgical procedures.
- To assess the impact of GIE on residual shunt and reoperation rates.
Main Methods:
- Retrospective study of 38 patients undergoing VSP surgery.
- Patients divided into GIE group (n=17) and non-GIE group (n=21).
- Comparison of clinical outcomes, including procedural times, residual shunt rates, and reoperations.
Main Results:
- GIE group had significantly longer operation, cardiopulmonary bypass, and cardiac arrest times (p <0.001).
- Residual shunt rate was significantly lower in the GIE group (5.8%) versus the non-GIE group (38.0%) (p = 0.026).
- No reoperations for residual shunts were needed in the GIE group, compared to two in the non-GIE group.
Conclusions:
- Geometrical infarct exclusion (GIE) is associated with longer procedural times.
- GIE significantly reduces the incidence of residual shunts after VSP surgery.
- GIE may decrease the need for reoperations in patients with VSP.
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