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Ann Thorac Surg 2005;80:832-838
© 2005 The Society of Thoracic Surgeons

Original article: Cardiovascular

Aortic Homograft: A Suitable Substitute for Aortic Valve Replacement

Sachin Talwar, MCh a , Raghunath Mohapatra, MS a , Anita Saxena, DM a , Rajvir Singh, MS, PhD b , Arkalgud Sampath Kumar, MCh a , *

a Cardiothoracic Centre, All India Institute of Medical Sciences, New Delhi, India
b Department of Biostatistics, All India Institute of Medical Sciences, New Delhi, India

Accepted for publication March 16, 2005.

* Address reprint requests to Dr Kumar, Department of Cardiothoracic and Vascular Surgery, Cardiothoracic Centre, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110 029, India; (Email: asampath_kumar{at}hotmail.com).

BACKGROUND: The aim of our study is to assess the results of aortic valve replacement with the aortic homograft.

METHODS: From January 1994 through September 2003, 154 patients with aortic valve disease (rheumatic = 118, nonrheumatic = 36), and a mean age of 28.8 ± 18.2 years, underwent aortic valve replacement with an aortic homograft by the scalloped subcoronary (n = 110) or root replacement (n = 38) technique, or as a valved homograft conduit (n = 6). Associated procedures included mitral valve repair (n=30), open mitral commissurotomy (n = 22), tricuspid valve repair (n = 8), coronary artery bypass grafting (n = 6), and atrial septal defect closure (n = 1).

RESULTS: Early mortality was 7.8% (12 patients). Mean follow-up was 62 ± 33.4 months (4 to 127 months; median, 68.5 months). One hundred and twenty-four survivors (87.3%) had no or trivial to mild aortic regurgitation. A total of six patients required reoperation for homograft dysfunction alone (n = 4), infective endocarditis (n = 1), or failure of mitral valve repair (n = 1). There were four late deaths. Actuarial and reoperation-free survival at the median follow-up were 92.2 ± 2.2% and 95.8 ± 1.9%, respectively. Freedom from significant aortic stenosis or regurgitation was 86.1 ± 3.2%.

CONCLUSIONS: Aortic valve replacement with an aortic homograft can be performed with acceptable early and late mortality and provides satisfactory midterm results. We did not note any difference in homograft dysfunction and reoperation with the use of either scalloped subcoronary or root replacement technique.




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