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Aortopulmonary window--impact of associated lesions on surgical results
Cinthia Siqueira Gangana1, Ana Flávia de Araújo Malheiros, Elizabete Vilar Alves
1Instituto Nacional de Cardiologia Laranjeiras, MS, Rio de Janeiro, RJ, Brazil. cinthiasg@ig.com.br
Objectives:
The aortopulmonary window (APW) is a communication between the pulmonary artery (PA) and the ascending aorta in the presence of two separate semilunar valves. This review describes the natural history of the APW and the impact of associated defects on surgical results in patients treated at our institution.
Methods:
Retrospective longitudinal study, based on the review of medical files of patients diagnosed between 1995 and 2005.
Results:
Of nine patients diagnosed as having APW, six had associated lesions. Seven patients were submitted to surgical treatment with two deaths. One patient was not submitted to surgery due to pulmonary hypertension and another one died before the surgery due to a respiratory infection complication.
Conclusion:
The surgical results are satisfactory when the APW presents as an isolated defect and when surgery is performed early, preventing the development of irreversible arterial pulmonary hypertension (APH). The presence of associated complex congenital heart disease is a bad prognostic factor in our series.
