Left ventricular reconstruction: Early and late results

The Journal of Thoracic and Cardiovascular Surgery
Lynda L MickleboroughSusan Carson

Abstract

In patients with coronary disease and poor left ventricular function, ventricular reconstruction with revascularization is a surgical option. Details of patient selection and optimal surgical technique are still debated. This study reports results achieved with ventricular reconstruction in 285 patients who had akinesia or dyskinesia associated with relative wall thinning. Data were prospectively collected. Reconstruction on the beating heart was accomplished by a modified linear closure plus septoplasty, when indicated, (dyskinetic septum). Preoperatively, 237 (83%) were in symptom class III or IV with congestive heart failure (n =174; 61%), angina (n = 157; 55%), or ventricular tachycardia (n = 107; 38%). Average ejection fraction was 24% +/- 11%, and 144 (51%) had preoperative grade 2+ mitral regurgitation. Operative procedures included coronary artery bypass grafting in 262 (92%), septoplasty in 64 (22%), ablation of ventricular tachycardia in 118 (41%), and a mitral valve procedure in 6 (2%). Operating room mortality was 2.8%. Perioperative support included intra-aortic balloon pumping in 49 (17%) and inotropic drugs in 154 (54%). During a mean follow-up of 63 +/- 48 months, 8 patients required transplantation (interval of...Continue Reading

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