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find Keyword " 主动脉瓣下狭窄" 2 results
  • Surgical Results of Secondary Subaortic Stenosis after Congenital Heart Disease Operations

    Abstract: Objective To summarize surgical results of secondary subaortic stenosis (SSS) after congenital heart disease (CHD) operations,and analyze the pathogenesis of SSS. Methods We retrospectively analyzed clinical data of 19 patients who underwent surgical repair for SSS in Guangdong General Hospital from 1st June 2008 to 31st December 2012. There were 10 males and 9 females. CHD types included double outlet right ventricle,ventricular septal defect and partial atrioventricular septal defect,et al. The median age of the patients when they received their first CHD operations was 4 months (15 days to 5 year and 11 months). The median age of the patients when they received SSS repair was 5 years and 3 months (1 year to 15 years and 3 months). The median time interval from CHD operation to SSS repair was 4 years and 10 months (8 months to 13 years and 11 months). Results All the patients successfully received their SSS repair. There was no surgical death in this study. Median cardiopulmonary bypass time was 79 (39 to 172) minutes,and median aortic cross-clamp time was 42 (22 to 124) minutes. Median postoperative hospital stay was 7 (5 to 9) days. Postoperatively, 1 patient required permanent pacemaker implantation. All the patients were followed up after discharge for a median durationof 1 year and 10 months (5 months to 4 years and 4 months) . During follow-up, none of the patients had any clinical symptom,their heart function was normal,and there was no late death. One patient received another subaortic stenosis repair for gradually aggravating left ventricular outflow tract stenosis. Conclusions SSS is very rare after CHD operations. The pathogenesis of SSS is perhaps related to abnormal blood flows in the left ventricular outflow tract after CHD operations. The pathogenesis time of SSS and types of CHD leading to SSS cannot be predicted. Subaortic stenosis repair is a simple and safe procedure for SSS,but postoperatively left ventricular outflow tract stenosis may appear and aggravate again.

    Release date:2016-08-30 05:47 Export PDF Favorites Scan
  • 建立全国性先天性心脏病手术数据库,提高诊治水平——对 《继发于先天性心脏病术后的主动脉瓣下狭窄手术矫治分析》的评论

    Release date:2016-08-30 05:47 Export PDF Favorites Scan
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