Patient preferences for thrombolytic therapy in acute myocardial infarction.
BACKGROUND: Despite extensive professional debate regarding the optimal thrombolytic therapy strategy in acute myocardial infarction (AMI), patient preferences have not been explored. METHODS: Preferences among patients with known or suspected coronary artery disease for treatment with tissue plasminogen activator ( tPA) or streptokinase (SK) for AMI were determined using a questionnaire presenting GUSTO-1 trial and drug cost data. Preferences were based on consideration of 30-day mortality (M) alone, hemorrhagic stroke rate (SR) alone, overall preference (M + SR), drug acquisition costs, and the estimated annual costs of using a single agent to treat all AMIs. Cost-related responses were provided under payer designations of self, third-party insurance, and federal government. RESULTS: The response rate was 81% (101/125 patients). tPA was preferred by 84%, and SK by 66%, for M alone and SR alone, respectively (chi 2, p < 0.01). Overall preference (M + SR) favored tPA (78%, p < 0.01). tPA preference decreased to 43% considering drug acquisition costs under the self-pay option (p < 0.01 vs M + SR). Similar trends of lesser magnitude were also observed for the third-party and government-payer options. CONCLUSIONS: Under conditions of zero cost and consideration of mortality plus stroke-risk data, tPA were preferred overall due to its lower mortality. Introduction of drug-cost data significantly shifted the preference toward SK, particularly under the self-payer designation. Patient preferences for thrombolytic therapy in AMI indicate tradeoffs between clinical attributes and costs, and should assist in framing medical debate and decision making.[1]References
- Patient preferences for thrombolytic therapy in acute myocardial infarction. Stanek, E.J., Cheng, J.W., Peeples, P.J., Simko, R.J., Spinler, S.A. Medical decision making : an international journal of the Society for Medical Decision Making. (1997) [Pubmed]
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