Document Detail

Endovascular brachytherapy using liquid Beta-emitting rhenium-188 for the treatment of long-segment femoropopliteal in-stent stenosis.
MedLine Citation:
PMID:  22891824     Owner:  NLM     Status:  In-Data-Review    
Purpose: To evaluate the efficacy and safety of endovascular brachytherapy with liquid beta-emitting rhenium-188 (Re-188) in patients with long-segment in-stent stenosis in the femoropopliteal segment. Methods: From July 2009 to April 2011, 90 consecutive patients (59 men; mean age 68.3±10.3 years, range 43-86) with symptomatic in-stent stenosis/occlusion (24.6-cm mean lesion length) of the femoropopliteal segment underwent angioplasty and subsequent endovascular brachytherapy. The liquid beta-emitting Re-188 was applied to the target lesion within an angioplasty balloon using a dose of 13 Gy at a depth of 2 mm into the vessel wall. Clinical and angiographic follow-up data were collected up to 2 years. The main study endpoints were the 6- and 12-month primary patency rates defined as <50% in-stent stenosis as detected by duplex ultrasound. Clinical endpoints were the cumulative rates of death, amputation, and bypass surgery, as well as improvement in the Rutherford category and the ankle-brachial index. Results were correlated with patient and lesion characteristics. Results: Primary technical success was achieved in all patients, with 1 early stent thrombosis, but no other complications related to the irradiation. Eighty-eight patients reached the 6-month and 82 the 12-month examinations; the primary patency was 95.2% and 79.8%, respectively. In-stent stenosis occurred in 9 patients, while 10 patients had reocclusion of the treated segment. During follow-up, there were 2 late acute thrombotic occlusions, both after discontinuation of clopidogrel. The clinical status improved in 67.0% and 62.2% of the patients after 6 and 12 months, respectively. No patient, lesion, or procedure variables were predictive of restenosis after EVBT. Conclusion: EVBT with liquid beta-emitting Re-188 was safe and effective in preventing restenosis in long-segment femoropopliteal ISS.
Martin Werner; Dierk Scheinert; Marcela Henn; Susanne Scheinert; Sven Bräunlich; Yvonne Bausback; Josef Friedenberger; Johannes Schuster; Klaus Hertting; Michael Piorkowski; Christian Rosner; Andrej Schmidt; Matthias Ulrich; Matthias Gutberlet
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of endovascular therapy : an official journal of the International Society of Endovascular Specialists     Volume:  19     ISSN:  1545-1550     ISO Abbreviation:  J. Endovasc. Ther.     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-08-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100896915     Medline TA:  J Endovasc Ther     Country:  United States    
Other Details:
Languages:  eng     Pagination:  467-75     Citation Subset:  IM    
1  Center for Vascular Medicine, Park Hospital Leipzig, Germany.
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