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Authors Shinkawa T, Anagnostopoulos PV, Johnson NC, Watanabe N, Sapru A, Azakie A
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Journal Ann. Thorac. Surg. Volume: 90 Issue: 4 Pages: 1295-300
Publish Date 2010 Oct
PubMed ID 20868832
Abstract

The purpose of this study is to determine the outcome and performance of bovine pericardial valves in the pulmonary position.This is a retrospective review of all patients with congenital heart disease who had pulmonary valve replacement using a bovine pericardial valve from 2002 to 2009 at a single institution.There were 73 consecutive patients, with a median age of 17.3 years (range, 2.1 to 64.4). Their diagnosis was tetralogy of Fallot (n = 47), pulmonary stenosis (n = 11), or other (n = 15). Sixty-nine patients had 91 previous surgical procedures. The mean time from last surgery was 19.9 ± 11.6 years. Forty-three patients had concomitant surgical procedures. There were no perioperative deaths. Clinical follow-up was available in 68 patients (93%). There were no late deaths, and all patients were in New York Heart Association functional class I during a median follow-up period of 2.6 years (range, 0.2 to 8.0). One patient had endocarditis necessitating valve removal 2 years after surgery. Freedom from pulmonary valve reoperation was 100%, 97.7%, and 97.7% at 1, 3, and 5 years, respectively (95% confidence interval: 93.2% to 100%). Mean pulmonary valve gradient at follow-up was 19 ± 14 mm Hg. Degree of pulmonary insufficiency was less than moderate in 62 patients, moderate in 4, and more than moderate in 2. Freedom from moderate-severe or severe pulmonary insufficiency was 97.7%, 89.1%, and 89.1% at 1, 3, and 5 years, respectively (5-year 95% confidence interval: 77.0% to 100%).Pulmonary valve replacement using a bovine pericardial valve can be accomplished with low perioperative morbidity and favorable midterm outcomes. Further follow-up is necessary to evaluate the long-term performance of bovine pericardial valves in the pulmonary position.

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