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You are here: Contents > 2013 > Volume 22 Number 4 July 2013 > INFECTIVE ENDOCARDITIS > Fresh Autologous Pericardium for Leaflet Perforation Repair in Mitral Valve Infective Endocarditis

Fresh Autologous Pericardium for Leaflet Perforation Repair in Mitral Valve Infective Endocarditis

Charles F. Evans1, Christopher R. DeFilippi2, Eric Shang1, Bartley P. Griffith1, James S. Gammie1

1Department of Surgery, Division of Cardiac Surgery, 2Department of Medicine, Division of Cardiology, The University of Maryland School of Medicine, Baltimore, MD, USA

Background and aim of the study: There is clear evidence that mitral valve (MV) repair is superior to replacement for MV infective endocarditis (IE). Leaflet perforation is a common pathologic finding in MV IE, and leaflet patch repair with glutaraldehyde-treated autologous or bovine pericardium is the currently accepted method of MV repair. In the present study, fresh autologous pericardium (FAP) was used universally to treat leaflet perforation in MV IE, and the mid-term clinical and echocardiographic outcomes were determined.

Methods: Between 2002 and 2009, a total of 20 patients with leaflet perforations from MV IE underwent patch repair with FAP. Follow up echocardiography was performed in a core laboratory.

Results: There was one operative death (5%) secondary to sepsis, and three late deaths (15%). Late echocardiograms 

were available for review from 16 of the 19 patients (84%)who survived surgery. The mean time to follow up echocardiography was 793 ± 663 days. The mitral regurgitation (MR) grade was mild or less in 14/16 patients (88%), moderate in one patient (6%), and severe in one patient (6%). The mean gradient was 4.8 ± 2.7 mmHg, and the ejection fraction was preserved in all patients (63 ± 4%). No expansion, retraction or calcification of the patches was observed. Freedom from reoperation, reinfection and thromboembolism was 100%.

Conclusion: Fresh autologous pericardium for MV leaflet patch repair in IE is associated with good mid-term valve function. Given the association between late calcification and the glutaraldehyde treatment of bioprosthetic valves and this favourable experience, it is believed that FAP is an acceptable alternative for leaflet repair in MV IE.

The Journal of Heart Valve Disease 2013;22:560-566

Fresh Autologous Pericardium for Leaflet Perforation Repair in Mitral Valve Infective Endocarditis

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