Abstract
Partial left ventriculectomy (the Batista procedure) to achieve left ventricular volume reduction (LVVR) has been advocated as an alternative to cardiac transplantation in patients with end-stage dilated left ventricles. Here, we describe a new technique of LVVR that uses realignment of the papillary muscles, thus avoiding ventriculectomy, and report preliminary results. Eight patients (all male, mean age 49.3 [range 38 to 70] years) underwent LVVR between October 1998 and March 2000 as an adjunct to surgical coronary revascularization. Five were assessed with echocardiography and cardiopulmonary exercise testing before and after (mean follow-up time 267 [range 94 to 416] days) the operation. LVVR significantly improved left ventricular end-diastolic volume (254 ± 32 to 218 ± 36 mL, p = 0.03), left ventricular ejection fraction (20.14% ± 1.36% to 31.28% ± 2.32%, p = 0.007), and exercise duration (from 394 ± 88 to 611 ± 79 seconds, p = 0.03). A nonsignificant improvement in maximal oxygen consumption was also observed. This technique of LVVR is relatively simple to perform and is accomplished through a small apical cardiotomy. Preliminary results show an encouraging functional improvement following surgery. Future controlled studies are required to assess this novel technique further.
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