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Brazilian Journal of Cardiovascular Surgery

Print version ISSN 0102-7638On-line version ISSN 1678-9741


GOMES, Walter J.; JARAMILLO, Jaime I.; ASANUMA, Fernando  and  ALVES, Francisco A.. Physiologic left ventricular reconstruction: the concept of maximum ventricular reduction and minimum inflammatory reaction. Rev Bras Cir Cardiovasc [online]. 2004, vol.19, n.4, pp.353-357. ISSN 0102-7638.

BACKGROUND: The outcome of patients with heart failure, as well as after left ventricular reconstruction, is related to the size of the left ventricular cavity. Also the use of synthetic materials in the ventricular reconstruction could induce a chronic myocardial inflammatory reaction. We report on a modification of the ventricular reconstruction technique that eliminates the need of intraventricular patches and the use of synthetic material. METHOD: Eleven consecutive patients presenting with left ventricular aneurysms, evolving to functional class III and IV of the New York Heart Association, underwent direct left ventricular reconstruction surgery without the use of intraventricular patches or prosthetic strips. RESULTS: There was no operative mortality or need of mechanical circulatory support. The postoperative hospital stay ranged from 4 to 7 days (average 5.3 ± 1.1 days). The serial echocardiogram control showed reduction of the left ventricular diastolic diameter (from 69.0± 7.5 mm preoperatively to 62.6 ± 5.1 mm postoperatively). The left ventricular ejection fraction increased from 47.3% ± 6.6% to 56.3% ±10.5%. One-year follow-up revealed eight patients in functional class I and three in class II. CONCLUSION: This technique, with elimination of prosthetic materials, could contribute to an improvement of the clinical results in patients who undergo left ventricular reconstruction, providing virtual elimination of left ventricular akinetic areas and potentially attenuating the long-term myocardial chronic inflammatory reaction.

Keywords : Heart aneurysm [surgery]; Heart ventricles [surgery]; Left ventricular dysfunction; Myocardial revascularization.

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