| Impact of Device Evolution in Transcatheter Closure of Patent Ductus Arteriosus Using Duct-Occlud Coils : Comparison of Mid-term Results |
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Myung Kwan Kim, Dong Ki Han, Jae Young Choi, Yuria Kim, Byung Won Yoo, Deok Young Choi, Jun Hee Sul, Sung Kue Lee |
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Division of Pediatric Cardiology, Yonsei Cardiovascular Center, Cardiovascular Research Institute, Yonsei University College of Medicine, Seoul, Korea |
| 경피적 동맥관 폐쇄술에 사용된 Duct-Occlud Coil의 종류에 따른 중-단기 결과의 비교 |
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김명관, 한동기, 최재영, 김유리아, 유병원, 최덕영, 설준희, 이승규 |
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연세대학교 의과대학 심장혈관병원 심혈관연구소, 소아심장과 |
Correspondence:
Jae Young Choi, Email: cjy0122@yumc.yonsei.kr
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| Abstract |
Purpose
: We reviewed the therapeutic results of various Duct-Occlud coils(pfm AG, K ln, Germany) to evaluate the efficacy of the most-recently modified Duct-Occlud coil(Nit-Occlud) in the transcatheter closure of patent ductus arteriosus(PDA), including large defects more than 4 mm in diameter.
Methods
: Two hundred and five patients who underwent percutaneous PDA occlusion using Duct- Occlud devices from March 1996 to December 2003 were enrolled and four types of Duct-Occlud [Standard(S), Reinforced(R), Reinforced reverse cone(RR) and Nit-Occlud(N)] were used in this study. The patients were followed up by echocardiogram and physical examination before discharge, one month, six months and 12 months after the procedure.
Results
: The rate of residual shunt according to the type of Duct-Occlud were as follows : S-54%, R-72%, RR-50%, N-14%(P<0.05 compared with other devices) at one month, S-25%, R-44%, RR- 37%, N-0%(P<0.05 compared with other devices) at six months, S-8%, R-8%, RR-4%, N-0%(P< 0.05 compared with S and R) at 12 months and later. Nit-Occlud coil showed the complete occlusion of PDA after six months of follow-up, even in 12 patients with relatively large PDA(>4 mm).
Conclusion
: The transcatheter closure of PDA using Duct-Occlud was an effective treatment and our study revealed that a Nit-Occlud coil which showed higher rate of occlusion even in PDA with large diameters over than 4 mm, was a more effective modality compared to previous devices. |
| Key Words:
Patent ductus arteriosus , Transcatheter occlusion , Duct-Occlud |
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