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Ann Thorac Surg. 2007 Apr;83(4):1303-9.

Edge-to-edge mitral repair without annuloplasty in combination with surgical ventricular restoration.

Author information

1
Department of Cardiothoracic Surgery and Anesthesiology, Karolinska University Hospital, Stockholm, Sweden. ulrik.sartipy@karolinska.se

Abstract

BACKGROUND:

Functional mitral regurgitation is common in ischemic dilated cardiomyopathy. Edge-to-edge repair is an option for correction and can be performed through the ventriculotomy during surgical ventricular restoration (SVR). This report describes the durability of the edge-to-edge repair without annuloplasty in combination with SVR.

METHODS:

From March 1997 to July 2002, 31 patients with left ventricular aneurysm or ischemic dilated cardiomyopathy and functional ischemic mitral regurgitation grade II (n = 18), III (n = 10), and IV (n = 3) underwent SVR and edge-to-edge repair without annuloplasty with concomitant coronary artery bypass grafting. Long-term valve competence was assessed by echocardiography. Early and late survival and hospital readmission for heart failure were analyzed.

RESULTS:

Early mortality was 5 (16%) of 31 patients. At 1, 3, and 5 years, actuarial survival was 77%, 55%, and 48%. The cumulative follow-up was 117 patient-years (4.5 years mean follow-up). Late echocardiograms performed at a mean of 3.1 years postoperatively showed patients had mitral regurgitation at grade 0 (n = 4), I (n = 10), II (n = 9), and III (n = 1). Two patients underwent reoperation owing to grade III-IV recurrent mitral regurgitation. Freedom from hospital readmission or cardiac death was 56% at 1 year and 48% at 3 years.

CONCLUSIONS:

Combined mitral valve repair and SVR carries high operative risk and long-term prognosis is worse than after SVR alone. The edge-to-edge repair without annuloplasty for functional ischemic mitral regurgitation seems to be fairly durable in conjunction with SVR. To improve results a transventricular annuloplasty may be added.

[Indexed for MEDLINE]

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