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- W2432763129 abstract "Although the Ross operation has become the accepted aortic valve replacement in children, the long-term fate of the pulmonary autograft valve remains unknown. To assess mid-term and late results of autograft valve durability, patient survival and valve-related morbidity, a retrospective review of patients (age range: 3 days to 17 years) having a Ross operation between November 1986 and May 2001 were reviewed.Medical records and patient contacts with all but two of 167 current survivors of 178 consecutive patients having an aortic valve replacement as a Ross operation have been completed during the past two years. The most recent echocardiographic evaluation was reviewed for autograft valve and homograft valve function.Operative mortality was 4.5% (8/178), with three late deaths (two were non-valve-related) for an actuarial survival of 92+/-3% at 12 years. Actuarial freedom from autograft valve degeneration (reoperation or severe insufficiency of autograft valve or valve-related death) was 90+/-4% at 12 years. Autograft valve degeneration was not affected by technique of insertion (141 root replacement, 37 intra-aortic), aortic valve morphology (157 bicuspid or unicuspid, 26 tricuspid), or age at operation. Autograft valve degeneration was worse in patients with a primary lesion of aortic insufficiency than in those with aortic stenosis (p = 0.03). Autograft valve reoperation was required in 12 patients, with autograft valve replacement in seven. Actuarial freedom from autograft replacement was 93+/-3% at 12 years. Homograft valve replacement was required in seven patients, with actuarial freedom from replacement of 90+/-4% at 12 years. Eight additional patients have homograft valve obstruction (gradient > or =50 mmHg), and seven have severe pulmonary insufficiency.Survival and freedom from aortic valve replacement are excellent in children. Homograft valve late function remains a concern, and efforts to improve homograft durability should be encouraged." @default.
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- W2432763129 date "2001-11-01" @default.
- W2432763129 modified "2023-09-23" @default.
- W2432763129 title "Ross operation in children: late results." @default.
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