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Thorac Cardiovasc Surg. 1989 Feb;37(1):11-9.

Left ventricular aneurysm: a new surgical approach.

Author information

1
Centre Cardiothoracique de Monaco.

Abstract

Since 1984, we have used a circular patch to reconstruct the left ventricle ("endoventricular circular plasty") in order to maintain a more physiologic cavity. This technique has three theoretical advantages over standard linear closure of the left ventricle (LV). First, it allows exclusion of the septal akinetic segment of the LV. Secondly, circular reorganization of the remaining LV muscle avoids the restraint caused by the linear suture closure and achieves a more physiologic LV cavity. Thirdly, circular plasty using the patch allows a complete resection of aneurysmal segments including resection of extensive subendocardial scar tissue, when appropriate, without critically compromising the cavity size. The technique involves the following steps: --Resection of dyskinetic or akinetic LV free wall and thrombectomy when indicated. --A dacron patch lined with pericardium is secured at the junction of the endocardial muscle and scarred tissue, thereby excluding non contractile portions of the LV and septum. --Myocardial revascularization is performed as indicated with particular attention paid to revascularizing the proximal left anterior descending segment. The group of patients forming this study includes 130 cases of LV reconstruction since 1984. The three main indications for surgery were angina (40%), cardiac failure (35%), arrhythmias (10%). There have been 8 hospital deaths, 4 late mortalities related to recurrence of cardiac failure in this group.(ABSTRACT TRUNCATED AT 250 WORDS).

PMID:
2522252
DOI:
10.1055/s-2007-1013899
[Indexed for MEDLINE]

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