Contemporary mortality risk prediction for percutaneous coronary intervention: Results from 588,398 procedures in the National Cardiovascular Data Registry

Eric D. Peterson, David Dai, Elizabeth R. DeLong, J. Matthew Brennan, Mandeep Singh, Sunil V. Rao, Richard E. Shaw, Matthew T. Roe, Kalon K.L. Ho, Lloyd W. Klein, Ronald J. Krone, William S. Weintraub, Ralph G. Brindis, John S. Rumsfeld, John A. Spertus

Research output: Contribution to journalArticlepeer-review

Abstract

Objectives We sought to create contemporary models for predicting mortality risk following percutaneous coronary intervention (PCI). Background There is a need to identify PCI risk factors and accurately quantify procedural risks to facilitate comparative effectiveness research, provider comparisons, and informed patient decision making. Methods Data from 181,775 procedures performed from January 2004 to March 2006 were used to develop risk models based on pre-procedural and/or angiographic factors using logistic regression. These models were independently evaluated in 2 validation cohorts: contemporary (n = 121,183, January 2004 to March 2006) and prospective (n = 285,440, March 2006 to March 2007). Results Overall, PCI in-hospital mortality was 1.27%, ranging from 0.65% in elective PCI to 4.81% in ST-segment elevation myocardial infarction patients. Multiple pre-procedural clinical factors were significantly associated with inhospital mortality. Angiographic variables provided only modest incremental information to pre-procedural risk assessments. The overall National Cardiovascular Data Registry (NCDR) model, as well as a simplified NCDR risk score (based on 8 key pre-procedure factors), had excellent discrimination (c-index: 0.93 and 0.91, respectively). Discrimination and calibration of both risk tools were retained among specific patient subgroups, in the validation samples, and when used to estimate 30-day mortality rates among Medicare patients. Conclusions Risks for early mortality following PCI can be accurately predicted in contemporary practice. Incorporation of such risk tools should facilitate research, clinical decisions, and policy applications.

Original languageEnglish (US)
Pages (from-to)1923-1932
Number of pages10
JournalJournal of the American College of Cardiology
Volume55
Issue number18
DOIs
StatePublished - May 4 2010
Externally publishedYes

Keywords

  • Outcomes
  • Percutaneous coronary intervention
  • Risk prediction

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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