The Toronto risk score for adverse events following cardiac surgery

Canadian Journal of Cardiology

Volumn 22, Issue 3, 2006, Pages 221-227

  Ivanov, Joan ^a,b   Borger, Michael A ^a   Rao, Vivek ^a   David, Tirone E ^a  

^a UNIVERSITY OF TORONTO   (Canada)

^b INSTITUTE FOR CLINICAL EVALUATIVE SCIENCES   (Canada)

Author keywords

Acuity; Cardiac surgery; Length of stay; Quality evaluation; Risk index

Indexed keywords

ADULT; AGED; ARTICLE; CARDIOVASCULAR DISEASE; CEREBROVASCULAR ACCIDENT; FEMALE; FORWARD HEART FAILURE; HEALTH CARE QUALITY; HEART INFARCTION; HEART SURGERY; HIGH RISK PATIENT; HUMAN; INTENSIVE CARE; KIDNEY FAILURE; LENGTH OF STAY; LOGISTIC REGRESSION ANALYSIS; MAJOR CLINICAL STUDY; MALE; OUTCOME ASSESSMENT; PATIENT IDENTIFICATION; POSTOPERATIVE COMPLICATION; RELIABILITY; RISK ASSESSMENT; SCORING SYSTEM; SURGICAL INFECTION; SURGICAL MORTALITY; SURGICAL RISK; TORONTO RISK SCORE; VALIDATION PROCESS; CANADA; COMPARATIVE STUDY; HEART DISEASE; HOSPITALIZATION; INTENSIVE CARE UNIT; MIDDLE AGED; MORTALITY; PROSPECTIVE STUDY; REPRODUCIBILITY; RISK; STATISTICAL MODEL; VALIDATION STUDY;

AGED; CARDIAC SURGICAL PROCEDURES; FEMALE; HEART DISEASES; HUMANS; INTENSIVE CARE UNITS; LENGTH OF STAY; LINEAR MODELS; LOGISTIC MODELS; MALE; MIDDLE AGED; ODDS RATIO; ONTARIO; POSTOPERATIVE COMPLICATIONS; PROSPECTIVE STUDIES; REPRODUCIBILITY OF RESULTS; RISK ASSESSMENT; SEVERITY OF ILLNESS INDEX;

EID: 33645766807     PISSN: 0828282X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0828-282X(06)70900-X     Document Type: Article

References (28)

1. Parsonnet V, Bernstein AD, Gera M. Clinical usefulness of risk-stratified outcome analysis in cardiac surgery in New Jersey. Ann Thorac Surg 1996;61(2 Suppl):S8-11.
2. Hannan EL, Kilburn H Jr, O'Donnell JF, Lukacik G, Shields EP. Adult open heart surgery in New York state: An analysis of risk factors and hospital mortality rates. JAMA 1990;264:2768-74.
3. Parsonnet V, Dean D, Bernstein AD. A method of uniform stratification of risk for evaluating the results of surgery in acquired adult heart disease. Circulation 1989;79(Part 2):I3-12. (Erratum in 1990;82:1078).
4. Higgins TL, Estafanous FG, Loop FD, Beck GJ, Blum JM, Paranandi L. Stratification of morbidity and mortality outcome by preoperative risk factors in coronary artery bypass patients. A clinical severity score. JAMA 1992;267:2344-8. (Erratum in 1992;268:1860).
5. O'Connor GT, Plume SK, Olmstead EM, et al. Multivariate prediction of in-hospital mortality associated with coronary artery bypass graft surgery. Northern New England Cardiovascular Disease Study Group. Circulation 1992;85:2110-8.
6. Shroyer AL, Grover FL, Edwards FH. 1995 coronary artery bypass risk model: The Society of Thoracic Surgeons Adult Cardiac National Database. Ann Thorac Surg 1998;65:879-84.
7. Ivanov J, Tu JV, Naylor CD. Ready-made, recalibrated, or remodeled? Issues in the use of risk indexes for assessing mortality after coronary artery bypass graft surgery. Circulation 1999;99:2098-104.
8. Nashef SA, Roques F, Michel P, Gauducheau E, Lemeshow S, Salamon R. European system for cardiac operative risk evaluation (EuroSCORE). Eur J Cardiothorac Surg 1999;16:9-13.
9. Shroyer AL, Coombs LP, Peterson ED, et al. The Society of Thoracic Surgeons: 30-day operative mortality and morbidity risk models. Ann Thorac Surg 2003;75:1856-64.
10. Shahian DM, Normand SL, Torchiana DF, et al. Cardiac surgery report cards: Comprehensive review and statistical critique. Ann Thorac Surg 2001;72:2155-68.
11. Rao V, Ivanov J, Weisel RD, Ikonomidis JS, Christakis GT, David TE. Predictots of low cardiac output syndrome after coronary artery bypass. J Thorac Cardiovasc Surg 1996;112:38-51.
12. Rao V, Christakis GT, Weisel RD, et al. Risk factors for stroke following coronary bypass surgery. J Card Surg 1995;10(4 Suppl):468-74.
13. Borger MA, Rao V, Weisel RD, et al. Deep sternal wound infection: Risk factors and outcomes. Ann Thorac Surg 1998;65:1050-6.
14. Borger MA, Ivanov J, Weisel RD, et al. Decreasing incidence of stroke during valvular surgery. Circulation1998;98(19 Suppl):II137-43.
15. Ivanov J, Weisel RD, David TE, Naylor CD. Fifteen-year trends in risk severity and operative mortality in elderly patients undergoing coronary artery bypass graft surgery. Circulation 1998;97:673-80.
16. Yau TM, Borger MA, Weisel RD, Ivanov J. The changing pattern of reoperative coronary surgery: Trends in 1230 consecutive reoperations. J Thorac Cardiovasc Surg 2000;120:156-63.
17. Hanley JA, McNeil BJ. The meaning and use of the area under a receiver operating characteristic (ROC) curve. Radiology 1982;143:29-36.
18. Hosmer DW, Lemeshow S. Applied Logistic Regression. New York: John Wiley & Sons, 1989.
19. Trotter HF. An elementary proof of the central limit theorem. Arch Math 1959;10:226-34.
20. Lovegrove J, Valencia O, Treasure T, Sherlaw-Johnson C, Gallivan S. Monitoring the results of cardiac surgery by variable life-adjusted display. Lancet 1997;350:1128-30.
21. Tu JV, Mazer CD, Levinton C, Armstrong PW, Naylor CD. A predictive index for length of stay in the intensive care unit following cardiac surgery. CMAJ 1994;151:177-85.
22. Roques F, Nashef SA, Michel P, et al. Risk factors and outcome in European cardiac surgery: Analysis of the EuroSCORE multinational database of 19030 patients. Eur J Cardiothorac Surg 1999;15:816-22.
23. Nashef SA, Roques F, Hammill BG, et al. Validation of European System for Cardiac Operative Risk Evaluation (EuroSCORE) in North American cardiac surgery. Eur J Cardiothorac Surg 2002;22:101-5.
24. Pinna Pintor P, Bobbio M, Colangelo S, Veglia F, Marras R, Diena M. Can EuroSCORE predict direct costs of cardiac surgery? Eur J Cardiothorac Surg 2003;23:595-8.
25. Geissler H, Holzl P, Marohl S, et al. Risk stratification in heart surgery: Comparison of six score systems. Eur J Cardiothorac Surg 2000;17:400-6.
26. Ferguson TB Jr, Hammill BG, Peterson ED, DeLong ER, Grover FL; STS National Database Committee. A decade of change - risk profiles and outcomes for isolated coronary artery bypass grafting procedures, 1990-1999: A report from the STS National Database Committee and the Duke Clinical Research Insitute. Society of Thoracic Surgeons. Ann Thorac Surg 2002;73:480-9.
27. Sherlaw-Johnson C, Lovegrove J, Treasure T, Gallivan S. Likely variations in perioperative mortality associated with cardiac surgery: When does high mortality reflect bad practice? Heart 2000;84:79-82.
28. Albert AA, Walter JA, Arnrich B, et al. On-line variable live-adjusted displays with internal and external risk-adjusted mortalities. A valuable method for benchmarking and early detection of unfavourable trends in cardiac surgery. Eur J Cardiothorac Surg 2004;25:312-9.