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Targeting patients undergoing angioplasty for thrombus inhibition: a cost-effectiveness and decision support model.

Abstract：

BACKGROUND:In recent clinical trials, glycoprotein IIb/IIIa blockers have demonstrated effectiveness in preventing adverse events after angioplasty in high-risk patients. However, uncertainty exists regarding the cost-effective selection of patients to receive antiplatelet therapy. METHODS AND RESULTS:All 4962 patients at Emory University Hospitals who underwent coronary intervention procedures (n=6062) from 1993 to 1995 were studied. Multivariate models to predict death and the composite of death, Q-wave and non-Q-wave myocardial infarction, and emergency additional revascularization were developed. Hospital costs and professional costs were determined. A cost-effectiveness analysis with therapy targeted to high-risk patients was performed. If patients with a >5% probability of events received antiplatelet therapy that reduced events by 24% and cost $1000, 40.1% of patients would receive therapy; complications would be reduced from 6.39% to 5.37%, and cost would increase $261 from $10343 to $10604, or $25504 per event prevented. The marginal cost per event prevented by moving from a 7% to a 5% probability of an event cutoff would be $57 799. CONCLUSIONS:For high-risk patients, there may be cost savings; for low-risk patients, therapy may not be cost effective; and for patients in the midrange (between 5% and 7% probability of an adverse event), events may be prevented at an acceptable level of cost.

journal_name

Circulation

journal_title

Circulation

authors

Weintraub WS,Thompson TD,Culler S,Boccuzzi SJ,Becker ER,Kosinski AS,Mahoney E

doi

10.1161/01.cir.102.4.392

subject

Has Abstract

pub_date

2000-07-25 00:00:00

pages

392-8

issue

4

eissn

0009-7322

issn

1524-4539

journal_volume

102

pub_type

杂志文章

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