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Title: Percutaneous Treatment of Congenital Coronary Arteriovenous Fistulas
Authors: Harikrishnan, Sivadasanpillai
Bimal, Francis
Ajithkumar, Valaparambil
Bhat, Anil
Krishnamoorthy, Kavassery Mahadevan
Sivasubramonian, Sivasankaran
Titus, Thomas
Tharakan, Jaganmohan
Keywords: Cardiology
Issue Date: 2011
Abstract: Methods and results: Six patients (two males) with congenital coronary arteriovenous fistulas (CAVF) underwent percutaneous transcatheter occlusion. The ages ranged from 4 years to 49 years (mean 20.1 years). The fistulas had their origins from the right coronary artery (two), the left anterior descending coronary artery (two), and the left circumflex coronary artery (two). One of the fistulas drained to the right ventricle, four drained to the right atrium, and the remaining one to the left ventricle (LV). The fistulas were closed using the arterial approach with Cook (TM) coils in two patients and with nitinol ductal occluders (NDOs) using the venous approach in four patients. One patient developed dissection of the wall of the fistula during attempted closure and had spontaneous occlusion of the fistula. Complete occlusion of the fistulas were achieved in all patients. Complications consisted of migration and embolization of the coils in one patient (later closed successfully with NDO) and myocardial infarction occurring two weeks following successful closure in another patient. At mean follow-up of 39.6 +/- 22.9 months, all patients were asymptomatic and echo-Doppler evaluation revealed no residual fistulae.Conclusions: CAVF are very well amenable to percutaneous closure with acceptable morbidity and high success rates. (J Interven Cardiol 2011;24:208-215).
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