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Ann Thorac Surg 1997;63:762-766
© 1997 The Society of Thoracic Surgeons
Department of Cardiovascular Surgery and Institute of Pathology, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
Accepted for publication October 21, 1996.
Background. Aortoplasty has been advocated for moderate dilatation of the ascending aorta associated with aortic valve disease. We report our results with this conservative approach.
Methods. Seventeen consecutive patients with unsupported aortoplasty were reviewed. Twelve patients had aortic valve regurgitation and 5 had stenosis. The aortic wall was analyzed histologically in 14 patients. Follow-up was complete, with a mean time of 6 years (range, 2.3 to 10.5 years).
Results. Two patients among the 15 hospital survivors died during follow-up of causes unrelated to aortic pathology. Survival at 7 years was 86.7% (±8.8%). Recurring aortic aneurysms developed in 4 patients after a mean time of 63 months, with an event-free survival at 7 years of 41% (±21%). All of these 4 patients had aortic valve regurgitation and cystic medial necrosis.
Conclusions. The recurrence rate of aneurysms after unsupported aortoplasty and aortic valve replacement is high in patients with aortic regurgitation. This strongly suggests that in these patients, the aortic dilatation is related to an underlying wall deficiency, associated with the aortic valve pathology, rather than to the hemodynamic stress imposed by the aortic valve disease.
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Ann. Thorac. Surg. 1997 63: 766.
Ann. Thorac. Surg. 1997 63: 766-767.
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