Document Detail

Clinical experience with the Palmaz-Schatz coronary stent. Initial results of a multicenter study.
MedLine Citation:
PMID:  1984878     Owner:  NLM     Status:  MEDLINE    
Stenting of native coronary arteries with a balloon-expandable stent was attempted in 226 patients after elective angioplasty. Delivery of the device was successful in 213 (94%) of the patients. Of these, 39 received aspirin and dipyridamole only (group 1) and 174 received aspirin, dipyridamole, and warfarin for 1-3 months (group 2). There was no abrupt closure (less than or equal to 1 day) or perioperative death in either group. In-hospital or perioperative complications in group 1 compared with group 2 were as follows: subacute closure (1-14 days), seven (18%) patients versus one (0.6%) patient, respectively, p less than 0.0001; myocardial infarction, five (13%) patients versus one (0.6%) patient, respectively; condition requiring urgent bypass surgery, one (2.5%) patient versus no patients, respectively. Thus, the incidence of major complications such as death, myocardial infarction, or a condition requiring urgent bypass surgery was 15% in group 1 and 0.6% in group 2. Clinical follow-up revealed that 92% of the patients were asymptomatic at 3 months after stenting compared with 6% before stenting (p less than 0.0001). Of the 13 patients who were symptomatic, nine underwent cardiac catheterization and, ultimately, successful elective coronary angioplasty or bypass surgery. We conclude that a high delivery success rate can be expected with this device and that clinical thrombosis is less frequent in anticoagulated patients than in nonanticoagulated patients. Furthermore, in this selected patient population, coronary stenting results in a low incidence of in-hospital and perioperative complications. Clinical success, defined by absence of symptoms, appears to be sustained at 3 months.
R A Schatz; D S Baim; M Leon; S G Ellis; S Goldberg; J W Hirshfeld; M W Cleman; H S Cabin; C Walker; J Stagg
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Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article; Multicenter Study; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Circulation     Volume:  83     ISSN:  0009-7322     ISO Abbreviation:  Circulation     Publication Date:  1991 Jan 
Date Detail:
Created Date:  1991-02-04     Completed Date:  1991-02-04     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0147763     Medline TA:  Circulation     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  148-61     Citation Subset:  AIM; IM    
Cardiology Division, Arizona Heart Institute Foundation, Phoenix.
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MeSH Terms
Angioplasty, Transluminal, Percutaneous Coronary
Aspirin / therapeutic use
Coronary Disease / therapy*
Dipyridamole / therapeutic use
Equipment Design
Follow-Up Studies
Middle Aged
Prospective Studies
Time Factors
Warfarin / therapeutic use
Reg. No./Substance:
50-78-2/Aspirin; 58-32-2/Dipyridamole; 81-81-2/Warfarin

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

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