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Spectrum of reoperations after repair of aortic coarctation: importance of an individualized approach because of coexistent cardiovascular disease.

OBJECTIVE: To determine the indications for and spectrum of late reoperations in adults who had previously undergone coarctation repair.

PATIENTS AND METHODS: We reviewed clinical, cardiac catheterization, and echocardiographic data and criteria for reoperation, surgical procedures, and outcome in 43 patients who underwent 54 reoperations between 1972 and 1996.

RESULTS: Of the reoperations for recoarctation or associated cardiovascular disease (or both), 20% were performed in asymptomatic patients and 80% in symptomatic patients. Associated cardiovascular disease included bicuspid aortic valve in 36 patients (84%), aortic arch hypoplasia in 12 (28%), true or false aortic aneurysm in 6 (14%), mitral valve disease in 6 (14%), and subvalvular aortic stenosis in 5 (12%). Surgical procedures included 22 recoarctation repairs and 32 other cardiovascular interventions. Simultaneous repair of recoarctation and associated cardiovascular disease was performed as a single-stage repair in 5 reoperations through a median sternotomy using an extra-anatomic, ascending-to-descending aortic bypass, with no complications. One patient died (surgical mortality, 1.9%) of preexisting severe pulmonary vascular obstructive disease.

CONCLUSIONS: After coarctation repair, associated cardiovascular diseases are the most common cause for reoperation. An individualized surgical approach is important and may range from valve replacement or recoarctation surgery to extra-anatomic bypass combined with other cardiovascular procedures, enabling simultaneous repair of recoarctation and associated lesions. Despite complex surgical techniques and multiple reoperations, morbidity and mortality were low in our series.

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