A follow-up study of the efficacy of the transcatheter closure of patent ductus arteriosus
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    Abstract:

    Objective:To assess the safety and efficacy of the transcatheter closure of patent ductus arteriosus(PDA). Methods:A follow-up study was conducted in patients with PDA underwent transcatheter closure in our hospital. All patients were assessd with physical examination, X-ray, and echocardiography before the operation. During the follow-up time, the patients’ cardiac function and complications were evaluated. Results:175 patients underwent transcatheter closure had been followed up. The patients were followed up from 1 to 77 months after operation. Minimal residue shunts were found in 9 cases(5.14%) immediately after closure. 3 cases(1.71%) were detected increased blood velocity in descending aorta or pulmonary aorta. At 1 month follow-up,no residue shunt was found. 3 cases with increased blood velocity returned to normal during 1~5 years follow-up. The heart structure was significantly changed 1 week after operation. The mean value of left atria diameter, left ventricular end systolic diameter,left ventricular end diastolic diameter,left ventricular end systolic volume and left ventricular end diastolic volume measured by echocardiography before the operation were(31.6±7.8)mm,(33.0±7.6)mm,(51.6±10.6)mm,(40.3±19.5)ml,(118.6±32.5)ml and(77.7±38.1)ml,respectively. These values were decreased to(29.4±6.6)mm,(30.8±6.7)mm,(47.5±9.2)mm,(34.6±19.0)ml, (80.3±29.6)ml and(64.5±31.1)ml, respectively, 1 week after operation(P < 0.05). There was no significant difference between pre-operation and 1-week or 1-month after operation. There were no severe complications or deaths in this group of patients during follow-up. Conclusion:This study suggested transcatheter closure of PDA could improve cardiac function of these patients, and also confirmed the safety and efficacy of those during short-term and long-term follow-ups.

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田金萍,杨 荣,盛燕辉,陶金松,李世杰,许 迪,周 蕾,雍永红,姚 静,曹克将,孔祥清.经导管介入封堵治疗动脉导管未闭术后175例疗效分析[J].南京医科大学学报(自然科学版英文版),2007,(6):583-585597.

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  • Received:December 28,2006
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