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Percutaneous Balloon Angioplasty for Severe Native Aortic Coarctation in young infants Less Than 6 Months： Medium- to Long-term Follow-up

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Chinese Medical Journal 2015年第8期128卷 1021-1025页

作者： Lan He Fang Liu Lin Wu Chun-Hua Qi Li-Feng Zhang Guo-Ying Huang Pediatric Heart Center Children's Hospital of Fudan University Shanghai 201102 China

Background： Although balloon angioplasty （BA） has been performed for more than 20 years, its use as a treatment for native coarctation of the aorta （CoA） during childhood, especially in young infants, remains controversial. This study aimed to assess the effects and potential role ofpercutaneous transcatheter BA for native CoA as an alternative therapy to surgical repair in young infants. Methods： The 37 patients aged from 6 days to 6 months with severe CoA in congestive heart failure or circulatory shock were admitted for BA. Patient＇s weight ranged from 2.4 to 6.1 kg. All 37 patients were experiencing cardiac dysfunction, and eight patients were in cardiac shock with severe metabolic acidosis. Eleven patients had an isolated CoA, whereas the others had a CoA associated with other cardiac malformations. Cardiac catheterization and aortic angiography were performed under general anesthesia with intubation. Transfemoral arterial approaches were used for the BA. The size of the balloon ranged from 3 mm × 20 mm to 8 mm × 20 mm, and a coronary artery balloon catheter was preferred over a regular peripheral vascular balloon catheter. Results： The femoral artery was successfully punctured in all but one patient, with that patient undergoing a carotid artery puncture. The systolic peak pressure gradient （PG） across the coarctation was 41.0 ± 16.0 mmHg （range 13-76 mmHg）. The mean diameter of the narrowest coarctation site was 1.7 ± 0.6 mm （range 0.5-2.8 mm）. All patients had successful dilation; the PG significantly decreased to 13.0 ± 11.0 mmHg （range 0-40 mmHg）, and the diameter ofcoarctation significantly improved to 3.8 ± 0.9 mm （range 2.5-5.3 mm）. No intraoperative complications occurred for any patients. However, in one case that underwent a carotid artery puncture, a giant aneurysm formed at the puncture site and required surgical repair. The following observations were made during the follow-up period from 6-month to 7-year：（1） The PG across the coarctation measur

关键词： Native Aortic Coarctation Percutaneous Balloon Angioplasty young infants

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