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find Author "FENGYuan" 2 results
  • Hybrid Perventricular Closure for Pediatric Patients with Muscular Ventricular Septal Defect: Experience from West China Hospital

    ObjectiveTo investigate the efficacy and safety of hybrid perventricular device closure (PVDC) for the treatment of muscular ventricular septal defect (MVSD) in pediatric patients. MethodsWe retrospectively analyzed clinical data of 35 pediatric patients with MVSD who received hybrid PVDC in West China Hospital between 2009 and 2012. There were 16 males and 19 females with their median age of 3.9 years (range, 1 month to 7 years). There were 10 patients with single MVSD, 12 patients with multiple MVSD, 6 patients with other congenital heart defects, and 7 patients with post-surgical residual MVSD. ResultsAmong the 35 patients, immediate complete closure was achieved in 28 (80.0%) patients. Residual shunt was noted in 7 (20.0%) patients. Median device size was 5 mm. Cardiopulmonary bypass was avoided in 19 patients. Two (5.7%) patients died postoperatively due to postoperative heart failure resulted from complex congenital heart defect. All survival patients were followed up for a mean duration of 6 months, and there was no late death. Thirty-one (93.9%) patients had good positioning of the closure devices but no residual shunt. Small residual shunt at the apex was noted in 2 (6.1%) patients. ConclusionHybrid PVDC is an effective treatment for MVSD with relatively high successful rate but low mortality and morbidity, and its short-term results are satisfactory.

    Release date:2016-10-02 04:56 Export PDF Favorites Scan
  • Retrieval Status of Master and Doctoral Dissertations Entitled Systematic Review/Metaanalysis in China

    ObjectiveTo analyze the retrieval status of master and doctoral dissertations entitled systematic review/meta-analysis (SR/MA) in China. MethodsThe China Dissertation Database was searched for master and doctoral dissertations entitled SR/MA from 1980 to March 2015. Two reviewers independently extracted the basic characteristics of included dissertations, the name of retrieval databases, retrieval strategies and the method of screening literature. Then related data were analysed by Stata 12.0 software. ResultsA total of 1 639 master and doctoral dissertations entitled SR/MA were included for data analysis. Among them, 1 259 (79.5%) retrieved both Chinese databases and English databases, 107 (6.5%) retrieved Chinese databases alone, and the other 237 (14.5%) retrieved English databases alone. 1 137 (69.4%) retrieved two or more Chinese databases, while 1 316 (80.3%) retrieved two or more English databases. The most commonly retrieved Chinese databases were CNKI, VIP, CBM, and WanFang Data; while the most frequently retrieved English databases were PubMed, The Cochrane Library, EMbase and Ovid. 89.9% reported the duration of search time, 73.4% reported manual retrieval, 68.6% reported reference retrieval, 23.3% reported conference retrieval, 23.3% reported using search engine and 26.8% reported contact with experts and authors. 45.8% reported their steps of screening papers, 37.5% provided a flow screening chart, and only 14.9% reported the number of papers from each database. ConclusionThe current study suggests that the retrieved databases of master and doctoral dissertations entitled SR/MA in China are still not enough. We suggest the authors of dissertations on SR/MA retrieve at least 3 common databases, reference, engines, conference paper at the same time, and improve information on search strategy and paper screening methods.

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