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Article
July 14, 1997

Eliminating Unnecessary Lactate Dehydrogenase TestingA Utilization Review Study and National Survey

Author Affiliations

USA; USA

From the Walter Reed Army Medical Center, Washington, DC. Dr Randall is now with the Madigan Army Medical Center, Tacoma, Wash.

Arch Intern Med. 1997;157(13):1441-1444. doi:10.1001/archinte.1997.00440340069006
Abstract

Background:  Consensus recommendations call for the elimination of lactate dehydrogenase (LDH) tests from routine rule out myocardial infarction (ROMI) protocols.

Methods:  We conducted a utilization review project in which we evaluated the institutional impact of removing LDH and LDH isoenzyme tests from our hospital diagnostic panel. We then conducted a scripted telephone survey of 100 US hospitals to assess the generalizability of this project.

Results:  All our cardiology staff members supported this intervention. Lactate dehydrogenase isoenzyme test results did not add clinically useful data for any of 200 consecutive patients discharged with a diagnosis of acute myocardial infarction, and selective use of LDH isoenzyme testing in cases where it was clinically believed to be indicated cut costs 99% during the year after our intervention. Furthermore, our telephone survey demonstrated that 66% of US hospitals polled continue to test for LDH isoenzymes in every patient with possible myocardial infarction.

Conclusions:  Our results corroborate prior recommendations for the removal of LDH testing from the routine ROMI protocol. Such an intervention may be accomplished easily, with excellent staff acceptance and considerable savings. Most US hospitals continue to include LDH testing in their ROMI panels despite national guidelines recommending otherwise.Arch Intern Med. 1997;157:1441-1444

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