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Surgical strategy for left ventricular free wall rupture after acute myocardial infarction
1Department of Cardiac Surgery, Kinki University School of Medicine, Osaka-Sayama, Osaka, Japan. singe@med.kindai.ac.jp
Insights
Surgical repair of left ventricular free wall rupture can be life-saving. Optimal technique selection, such as patch covering for squirting bleeds and sutureless repair for oozing, improves patient outcomes.
Area of Science:
- Cardiovascular Surgery
- Cardiac Surgery
- Thoracic Surgery
Background:
- Left ventricular free wall rupture (LVFWR) is a critical complication of acute myocardial infarction.
- Surgical intervention is often necessary for survival, but optimal surgical techniques remain debated.
Purpose of the Study:
- To evaluate the effectiveness of different surgical techniques for left ventricular free wall rupture.
- To determine the preferred surgical approach based on rupture characteristics.
Main Methods:
- A retrospective analysis of 17 patients who underwent surgical repair for LVFWR post-myocardial infarction.
- Surgical procedures included infarctectomy with patch reconstruction, direct closure, patch covering, and sutureless techniques.
- Endventricular patch closure was used in one case with ventricular septal perforation.
Main Results:
- The overall surgical mortality rate was 11.8% (2 out of 17 patients).
- Mortality was observed in one patient with blow-out rupture and one with oozing rupture.
- Different surgical techniques were applied based on rupture presentation.
Conclusions:
- Tailoring surgical procedures to the specific characteristics of left ventricular free wall rupture is crucial for successful outcomes.
- Patch covering is recommended for squirting-type bleeding, while the sutureless technique is preferable for oozing-type rupture.
Background:
Left ventricular free wall rupture is usually fatal without surgical intervention. However, the most appropriate surgical procedure remains controversial.
Methods:
Seventeen patients (14 men, 3 women) who developed left ventricular free wall rupture after acute myocardial infarction were treated surgically. Their mean age was 65.4 years (range, 55 to 79 years). The following surgical procedures were performed: infarctectomy and patch reconstruction in 1 patient, direct closure with or without patch covering in 4 patients, simple patch covering anchored by running suture in 4 patients, and a sutureless technique in 7 patients. Endventricular patch closure was performed in 1 patient with ventricular septal perforation.
Results:
One of 3 patients with a blow-out type rupture and 1 of 13 patients with an oozing type rupture died shortly after operation. The overall surgical mortality rate was 11.8%.
Conclusions:
Selection of the optimal procedure for each cardiac condition is important for obtaining good results. For patients with ongoing squirting bleeding, patch covering is the technique of choice. For oozing, the sutureless technique is preferable.