Document Detail


Is cardiac catheterization necessary before initial management of patients with stable ischemic heart disease? Results from a Web-based survey of cardiologists.
MedLine Citation:
PMID:  22137077     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
BACKGROUND: It is unknown whether preconceived beliefs regarding the need for cardiac catheterization and revascularization in patients with stable ischemic heart disease (SIHD) would preclude a study randomizing patients with significant ischemia to a conservative strategy. Given the widespread practice of performing revascularization in patients with SIHD, we assessed the feasibility of conducting a randomized trial comparing initial invasive and conservative strategies in patients with SIHD and moderate or severe ischemia.
METHODS: An online survey to cardiologists queried their willingness to enroll a sample patient with frequent stable angina, >10% myocardial ischemia, and normal ejection fraction into a randomized trial with a 50% chance of being conservatively managed without cardiac catheterization.
RESULTS: Among 499 respondents, 57% (95% CI 53%-62%) were willing to enroll the patient. Among 207 cardiologists unwilling to enroll, 55% (95% CI 48%-61%) would be willing if they knew the patient did not have very high-risk features on stress imaging, yielding a total of 80% (95% CI 76%-83%) of cardiologists willing to enroll. No differences were observed among different types of cardiologists (interventional, invasive/noninterventional, and noninvasive). Seventy-one percent (95% CI 67%-75%) were more likely to try initial medical therapy after the publication of the Clinical Outcomes Utilizing Revascularization and Aggressive Drug Evaluation trial results.
CONCLUSIONS: Most surveyed cardiologists were willing to enroll SIHD patients with at least moderate ischemia into a trial with an initial noninvasive strategy arm. These findings support the feasibility of planning a large-scale trial to test the role of cardiac catheterization and revascularization in the initial management of SIHD patients with moderate or severe ischemia.
Authors:
David J Maron; Gregg W Stone; Daniel S Berman; G B John Mancini; Theresa A Scott; Daniel W Byrne; Frank E Harrell; Leslee J Shaw; Rory Hachamovitch; William E Boden; William S Weintraub; John A Spertus
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  American heart journal     Volume:  162     ISSN:  1097-6744     ISO Abbreviation:  Am. Heart J.     Publication Date:  2011 Dec 
Date Detail:
Created Date:  2011-12-05     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370465     Medline TA:  Am Heart J     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1034-1043.e13     Citation Subset:  AIM; IM    
Copyright Information:
Copyright © 2011 Mosby, Inc. All rights reserved.
Affiliation:
Departments of Medicine and Emergency Medicine, Vanderbilt University School of Medicine, Nashville, TN.
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