Multivariate prediction of in-hospital mortality after percutaneous coronary interventions in 1994-1996

被引:126
作者
O'Connor, GT
Malenka, DJ
Quinton, H
Robb, JF
Kellett, MA
Shubrooks, S
Bradley, WA
Hearne, MJ
Watkins, MW
Wennberg, DE
Hettleman, B
O'Rourke, DJ
McGrath, PD
Ryan, T
VerLee, P
机构
[1] Dartmouth Hitchcock Med Ctr, Dept Med, Lebanon, NH 03766 USA
[2] Dartmouth Hitchcock Med Ctr, Cardiol Sect, Lebanon, NH 03766 USA
[3] Dartmouth Med Sch, Ctr Evaluat Clin Sci, Hanover, NH 03755 USA
[4] Maine Med Ctr, Sect Hlth Serv Res, Portland, ME 04102 USA
[5] Beth Israel Deaconess Med Ctr, Boston, MA USA
[6] Catholic Med Ctr, Manchester, NH USA
[7] Fletcher Allen Hlth Care, Cardiol Sect, Burlington, VT USA
[8] Eastern Maine Med Ctr, Bangor, ME USA
关键词
D O I
10.1016/S0735-1097(99)00267-3
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
OBJECTIVES Using recent data, we sought to identify risk factors associated with in-hospital mortality among patients undergoing percutaneous coronary interventions. BACKGROUND The ability to accurately predict the risk of an adverse outcome is important in clinical decision making and for risk adjustment when assessing quality of care. Most clinical prediction rules for percutaneous coronary intervention (PCI) were developed using data collected before the broader use of new interventional devices. METHODS Data were collected on 15,331 consecutive hospital admissions by six clinical centers. Logistic regression analysis was used to predict the risk of in-hospital mortality. RESULTS Variables associated with an increased risk of in-hospital mortality included older age, congestive heart failure, peripheral or cerebrovascular disease, increased creatinine levels, lowered ejection fraction, treatment of cardiogenic shock, treatment of an acute myocardial infarction, urgent priority, emergent priority, preprocedure insertion of an intraaortic balloon pump and PCI of a type C lesion. The receiver operating characteristic area for the predicted probability of death was 0.88, indicating a good ability to discriminate. The rule was well calibrated, predicting accurately at all levels of risk. Bootstrapping demonstrated that the estimate was stable and performed well among different patient subsets. CONCLUSIONS In the current era of interventional cardiology, accurate calculation of the risk of in-hospital mortality after a percutaneous coronary intervention is feasible and may be useful for patient counseling and for quality improvement purposes. (J Am Coll Cardiol 1999;34:681-91) (C) 1999 by the American College of Cardiology.
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收藏
页码:681 / 691
页数:11
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