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find Author "CAO Yuefeng" 1 results
  • Surgical strategies of atrioventricular septal defect with left ventricular outflow tract stenosis: Clinical outcome of single center

    ObjectiveTo explore the anatomical characteristics and surgical strategies of atrioventricular septal defect (AVSD) with left ventricular outflow tract (LVOT) stenosis.MethodsThe clinical data of 11 AVSD patients with LVOT stenosis who underwent surgeries in our hospital from 2008 to 2019 were retrospectively analyzed, including 6 males and 5 females with a median age of 15.0 (7.6-22.0) years.ResultsThere were 3 patients of complete AVSD and 8 patients of partial AVSD. Subaortic stenosis resulted from discrete subaortic membrane in 3 patients, diffused subaortic membrane in 4 patients, hypertrophied muscle bundles in 3 patients and distorted valve frame in 1 patient. Among these patients, 5 patients underwent LVOT stenosis and AVSD repairs simultaneously for the first time, 5 patients underwent LVOT stenosis repair for the second time and 1 patient for the third time. No postoperative death occurred. The postoperative LVOT flow velocity decreased dramatically after LVOT stenosis repair compared with preoperative one [449.0 (393.0, 507.5) cm/s vs. 212.0 (183.0, 253.5) cm/s, P<0.05].ConclusionSurgical results of AVSD combined with LVOT stenosis are satisfactory, but the restenosis should be paid attention to via long-term follow-up.

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