Document Detail

Percutaneous transluminal coronary angioplasty of the "very proximal" coronary artery stenosis.
MedLine Citation:
PMID:  2953436     Owner:  NLM     Status:  MEDLINE    
We report on 11 patients with "very proximal" lesions out of a total of 300 consecutive patients who underwent percutaneous transluminal coronary angioplasty (PTCA). Eight patients had native left anterior descending (LAD) lesions and three had LAD saphenous vein grafts lesions. Lesions were considered to be "very proximal" when one half or more of the balloon was inflated in the left main coronary artery for the native LAD lesions or the aorta for the LAD coronary artery saphenous vein bypass graft (CABG) lesions. There was a mean reduction in stenosis from 88.3% (range 75-99) to 13.8% (range 0-60) and a mean reduction in transtenotic gradient from 47.2 mmHg (range 20-80) to 8.3 mmHg (range 0-20). The initial success rate was 90.9% (10 out of 11 patients) with a partial success in the other patient. No complications occurred in any of the patients. Two patients had restenosis (18.2%) at 3 months and 6 months, respectively, post-PTCA. It is concluded that "very proximal" lesions can be successfully dilated with a high initial success rate and low complication rate. Nevertheless, these lesions may present problems with guiding catheter stability and, because of the potential risk of circumflex (CX) occlusion, this vessel may have to be protected with a second guidewire.
F K Nakhjavan; A P Goldman; G H Hutt; J H Wertheimer; S Yazdanfar; V Maranhao; R Weiner
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Catheterization and cardiovascular diagnosis     Volume:  13     ISSN:  0098-6569     ISO Abbreviation:  Cathet Cardiovasc Diagn     Publication Date:    1987 Mar-Apr
Date Detail:
Created Date:  1987-06-26     Completed Date:  1987-06-26     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  7508512     Medline TA:  Cathet Cardiovasc Diagn     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  87-92     Citation Subset:  IM    
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MeSH Terms
Angioplasty, Balloon*
Coronary Angiography
Coronary Disease / radiography,  therapy*
Evaluation Studies as Topic

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

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