Korean J Vasc Endovasc Surg.
2012 Aug;28(3):148-154.
Effectiveness of Endovascular Treatment of Acute Thrombosis of Arteriovenous Graft for Hemodialysis by Primary Endovascualr Treatment Strategy
- Affiliations
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- 1Department of Surgery, Inha University School of Medicine, Incheon, Korea.
- 2Department of Radiology, Inha University School of Medicine, Incheon, Korea.
- 3Department of Vascular and Endovascular Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, Korea. vascularkim@catholic.ac.kr
Abstract
- PURPOSE
Acute thrombosis of arteriovenous graft (AVG) has been treated by surgical thrombectomy; however, endovascular treatment became an alternative treatment option recently. The purpose of this study is to evaluate the effectiveness of endovascular treatment for acute thrombosis of AVG (EndoAVG) by primary endovascular treatment strategy.
METHODS
This is a retrospective study of patients who underwent EndoAVG from January 2003 to December 2010 in Inha University Hospital. The patients' clinical characteristics and EndoAVG procedures were reviewed by electronic charts and X-ray films. Clinical success was defined as the residual stenosis below 30% or success of hemodialysis.
RESULTS
Thirty-eight patients were enrolled. The mean age was 64+/-15.4 years in the success group and 58+/-17.2 years in the failed group. The mean duration from AVG formation to endovascular thrombectomy was 19.2+/-29.5 months. The success rate of EndoAVG was 84.2% (32/38). There were three complications after EndoAVG: two brachial artery thromboses and one rupture of a vein at the ballooning site. Six months, twelve months and twenty-four months secondary patency rate were 77.5%, 65.5%, and 42.5%, respectively.
CONCLUSION
The success rate of EndoAVG was 84.2%. Its result is compatible with open thrombectomy and can be a good alternative option for the treatment of acute thrombosis of AVG. Larger number of cases is required for stronger study.
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