| Autor: |
Welch, Robert D., Zalenski, Robert J., Shamsa, Falah, Waselewsky, Denise R., Kosnik, Joseph W., Compton, Scott |
| Zdroj: |
The American Journal of Emergency Medicine; November 2000, Vol. 18 Issue: 7 p789-792, 4p |
| Abstrakt: |
The objective of this study was to determine whether pretest probability assessments permit more selective testing of chest pain patients with technetium-99m sestamibi scanning. Pretest probabilities of cardiac ischemia were measured both objectively (Acute Cardiac Ischemia Time-Insensitive Predictive Instrument [ACI-TIPI]) and subjectively (physician's estimate of the probability of unstable angina). Two groups were defined: patients whose postsestamibi scan led to a “downgrade” of the intensity of monitoring and those that resulted in no change in monitoring intensity. Sixty-five patients met study criteria; 25 had a disposition downgrade and 40 had no change. Pretest ACI-TIPI scores were similar in the two groups (29% ± 18% versus 27% ± 11%, mean ± standard deviation; P= .95) as were the physician's assessment of unstable angina (39% ± 22% versus 40% ± 24%; P= .75). Objective or subjective pretest probabilities are not significantly different in patients who are likely to have their disposition altered by sestamibi scanning. (Am J Emerg Med 2000;18:789-792. Copyright © 2000 by W.B. Saunders Company) |
| Databáze: |
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