Abstract：Objective To evaluate the short- and medium-term efficacy, complications, and anti-coagulation therapies related to transcatheter closure (TCC) of coronary artery fistula (CAF) in children. Methods We conducted a retrospective review of the medical records of 12 children with CAF who underwent TCC between January 2006 and January 2014, focusing on details such as preoperative, radiographic, and postoperative follow-up data, to record closure methods for CAF, anti-coagulation therapies, postoperative complications, and results of auxiliary examinations. Results Among the 12 cases who underwent successful TCC and whose age was 1-158 months, four patients had proximal/medium-sized CAF, five had proximal/large CAF, and three had distal/medium-sized CAF. The mean period of postoperative follow-up was 3.5±2.4 years. Eleven patients took aspirin for 6 months post closure, and one took it for 18 months. Neither coronary thrombosis nor interventional complications were found. Left ventricular ejection fraction, cardiothoracic ratio, pulmonary artery pressure, and the diameters of coronary artery lesions decreased post TCC. Conclusions TCC is feasible and safe in proximal and distal/medium-sized CAF patients. Postoperative anticoagulation with aspirin may prevent short- and medium-term thrombosis, but treatment course and safety need to be investigated by further follow-ups.
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