| Aortoiliac insufficiency: long-term experience with stent placement for treatment. | |
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MedLine Citation:
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PMID: 15068949 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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PURPOSE: To establish and report the authors' experience with the long-term outcomes of aortoiliac stent placement for treatment of chronic lower-extremity ischemia. MATERIALS AND METHODS: Stents were placed in 505 arterial segment lesions in 365 patients who presented with symptoms of chronic leg ischemia between February 1992 and March 2001. The 505 treated lesions were 88 occlusions and 417 stenoses. Indications for stent placement were claudication in 312 (62%), rest pain in 107 (21%), ulcer in 67 (13%), and gangrene in 19 (4%) arterial segments. Patients were followed up for up to 105 months (mean, 33 months +/- 27 [SD]). RESULTS: Hemodynamic success was achieved in 484 (98%) of the 496 limbs for which postprocedural translesion pressure gradients were available. Mean ankle-brachial indexes improved from 0.53 +/- 0.25 to 0.79 +/- 0.23 (P <.001). Major complications were seen in 24 (7%) patients. Two patients (0.5%) died within 30 days after stent placement. Twenty (6%) of 355 patients underwent aortic or iliac bypass surgery during the follow-up period. Eight years after stent placement, primary patency was 74%; primary assisted patency, 81%; and secondary patency, 84%. Variables associated with better patency included stenosis (rather than occlusion), shorter lesion length, older age, and limb-threatening ischemia. At the last follow-up examination, 74% of the 466 limbs for which follow-up clinical status data were available were asymptomatic, 22% were associated with claudication, 3% were associated with rest pain, and 1% were associated with ischemic tissue loss. Five patients underwent amputation on the ipsilateral side after stent placement. CONCLUSION: Findings from long-term experience with aortoiliac stent placement for treatment of chronic lower-extremity ischemia confirmed the procedure to be a durable, low-risk revascularization option. |
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Authors:
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Timothy P Murphy; Nikki S Ariaratnam; Wilfred I Carney; Edward J Marcaccio; Jeffrey M Slaiby; Gregory M Soares; H Myra Kim |
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Publication Detail:
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Type: Comparative Study; Journal Article Date: 2004-02-19 |
Journal Detail:
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Title: Radiology Volume: 231 ISSN: 0033-8419 ISO Abbreviation: Radiology Publication Date: 2004 Apr |
Date Detail:
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Created Date: 2004-04-07 Completed Date: 2004-05-25 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0401260 Medline TA: Radiology Country: United States |
Other Details:
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Languages: eng Pagination: 243-9 Citation Subset: AIM; IM |
Copyright Information:
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Copyright RSNA, 2004 |
Affiliation:
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Division of Vascular and Interventional Radiology, Department of Diagnostic Imaging, Rhode Island Hospital, 593 Eddy St, Providence, RI 02903, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Aged Aorta / pathology, physiopathology, surgery Aortic Diseases / surgery* Arterial Occlusive Diseases / surgery* Blood Vessel Prosthesis Implantation Female Follow-Up Studies Humans Iliac Artery / pathology, physiopathology, surgery Intermittent Claudication / surgery Ischemia / surgery Lower Extremity / blood supply* Male Middle Aged Postoperative Complications / etiology, mortality, physiopathology Retrospective Studies Stents* Survival Analysis Time Treatment Outcome Vascular Patency / physiology |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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