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find Keyword "Partial antrioventricular septal defect" 1 results
  • Application Value of Modified Tricuspid Valvuloplasty Using Anterior Leaflet in Surgery of Partial Antrioventricular Septal Defect

    ObjectiveTo investigate the therapeutic effect of modified tricuspid valvuloplasty using anterior leaflet in patients with partial antrioventricular septal defect and tricuspid septal leaflet dysplasia. MethodsNinety-five patients with partial antrioventricular septal defect and tricuspid septal leaflet dysplasia underwent surgical treatment in our hospital from June 2002 to March 2014. There were 39 males and 56 females with an average age of 3.2±6.6 years (range 3 months to 46 years). Preoperative echocardiography prompted all patients had varying degrees of tricuspid valve dysplasia and tricuspid regurgitation (mild in 14 cases, moderate in 49 cases, and severe in 32 cases). According to the different development of anterior and septal leaflet, we used different techniques to repair the tricuspid problems. If the residual septal leaflet was larger than one third of the normal septal leaflet, we continuously stitched the half of the septal side of anterior leaflet to the two third of the left side of residual septal leaflet. If the residual septal leaflet was less than one third of the normal septal leaflet, we reserved part of pericardial patch at right side of septal crest at repairing the atrial septal defect, and continuously stitched the left two third of the patch edge to the half of septal side of anterior leaflet. All patients received transesophageal echocardiography (TEE) to evaluate the intraoperative effect of valvuloplasty. The patients were followed up with echocardiography after 3 to 6 months to evaluate the condition of tricuspid. ResultsThere was no perioperative death or Ⅲ degree atrioventricular block. Intraoperative TEE showed that the effect of tricuspid valvuloplasty was good with 3 cases of mild regurgitation and 2 cases of moderate regurgitation. Other 90 cases had no significant regurgitation. The aortic cross-clamping time was 35.2±11.2 min and cardiopulmonary bypass time was 64.9±16.6 min. In the followed-up between 3 to 6 months, tricuspid regurgitation situation improved significantly than that in preoperative period with mild regurgitation or no reflux in 89 cases and moderate regurgitation in 6 cases. There was no severe regurgitation occurred. ConclusionThe therapeutic effect is satisfactory by using anterior leaflet to repair the regurgitation of tricuspid in patients with partial antrioventricular septal defect and tricuspid septal leaflet dysplasia.

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