Document Detail

Improved hemodynamic, angiographic and functional results after renal artery stenting.
MedLine Citation:
PMID:  10147166     Owner:  NLM     Status:  MEDLINE    
Eighteen patients with severe renal artery atherosclerosis underwent conventional percutaneous transluminal renal angioplasty (PTRA) followed immediately by implantation of an endovascular stent. Hemodynamic measurements showed a baseline trans-stenotic pressure gradient of 78.3 mmHg that was reduced to 14.8 mmHg after PTRA. The post PTRA trans-stenotic pressure gradient was further reduced to 0.86 mmHg after stent placement. The average baseline diameter stenosis of 81.3% was reduced to 43.7% after PTRA and 6.1% after stent placement. Six month angiographic follow-up revealed restenosis in 6/16 patients. In patients treated for chronic renal insufficiency without restenosis the 6 month creatinine was 1.46 mg/dl compared to a pre-procedure creatinine of 2.4 mg/dl. Therefore those patients with renal insufficiency and renal artery stenosis who had long term patency after successful stent implantation showed significant improvement in renal function at six months. Stent implantation also significantly improved acute hemodynamic results and acute angiographic results compared to conventional renal artery angioplasty.
B E Lewis; F S Leya; S A Johnson; E D Grassman; T L McKiernan; J R Mason; P A Jones; D E Euler; P J Scanlon
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of invasive cardiology     Volume:  6     ISSN:  1042-3931     ISO Abbreviation:  J Invasive Cardiol     Publication Date:  1994 May 
Date Detail:
Created Date:  1994-08-25     Completed Date:  1994-08-25     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  8917477     Medline TA:  J Invasive Cardiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  136-40     Citation Subset:  T    
Department of Internal Medicine, Loyola University Medical Center, Maywood, Illinois 60153.
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MeSH Terms
Angioplasty, Balloon / methods
Kidney Failure / radiography,  surgery*,  therapy
Kidney Function Tests / methods
Middle Aged
Prosthesis Design
Renal Artery Obstruction / radiography,  surgery*,  therapy
Treatment Outcome

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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