CLINICAL STUDY: VALVE DISEASE
Prediction of operative mortality after valve replacement surgery
Fred H. Edwards, MD, FACC*,
Eric D. Peterson, MD, MPH, FACC ,
Laura P. Coombs, PhD ,
Elizabeth R. DeLong, PhD ,
W. R. Eric Jamieson, MD, FACC ,
A. Laurie W. Shroyer, PhD and
Frederick L. Grover, MD, FACC
* Division of Cardiothoracic Surgery, University of Florida Health Science Center, Jacksonville, Florida, USA
Duke Clinical Research Institute, Durham, North Carolina, USA
University of British Columbia, Vancouver, Canada
University of Colorado Health Science Center, Denver, Colorado, USA
Manuscript received July 28, 2000;
revised manuscript received October 16, 2000,
accepted November 29, 2000.
Reprint requests and correspondence: Dr. Fred H. Edwards, Division of Cardiothoracic Surgery, University of Florida Health Science Center, 653-2 West Eighth Street, Jacksonville, Florida 32209-6511 fhe{at}mediaone.net
OBJECTIVES
We sought to develop national benchmarks for valve replacement surgery by developing statistical risk models of operative mortality.
BACKGROUND
National risk models for coronary artery bypass graft surgery (CABG) have gained widespread acceptance, but there are no similar models for valve replacement surgery.
METHODS
The Society of Thoracic Surgeons National Cardiac Surgery Database was used to identify risk factors associated with valve surgery from 1994 through 1997. The population was drawn from 49,073 patients undergoing isolated aortic valve replacement (AVR) or mitral valve replacement (MVR) and from 43,463 patients undergoing CABG combined with AVR or MVR. Two multivariable risk models were developed: one for isolated AVR or MVR and one for CABG plus AVR or CABG plus MVR.
RESULTS
Operative mortality rates for AVR, MVR, combined CABG/AVR and combined CABG/MVR were 4.00%, 6.04%, 6.80% and 13.29%, respectively. The strongest independent risk factors were emergency/salvage procedures, recent infarction, reoperations and renal failure. The c-indexes were 0.77 and 0.74 for the isolated valve replacement and combined CABG/valve replacement models, respectively. These models retained their predictive accuracy when applied to a prospective patient population undergoing operation from 1998 to 1999. The Hosmer-Lemeshow goodness-of-fit statistic was 10.6 (p = 0.225) for the isolated valve replacement model and 12.2 (p = 0.141) for the CABG/valve replacement model.
CONCLUSIONS
Statistical models have been developed to accurately predict operative mortality after valve replacement surgery. These models can be used to enhance quality by providing a national benchmark for valve replacement surgery.
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Abbreviations and Acronyms
| | AVR | = aortic valve replacement | | BSA | = body surface area | | CABG | = coronary artery bypass grafting | | MI | = myocardial infarction | | MVR | = mitral valve replacement | | OM | = operative mortality | | STS | = Society of Thoracic Surgeons | | STS Database | = Society of Thoracic Surgeons National Cardiac Surgery Database | | US | = United States |
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EuroSCORE Predicts Long-Term Mortality After Heart Valve Surgery
Ann. Thorac. Surg.,
June 1, 2005;
79(6):
1902 - 1908.
[Abstract]
[Full Text]
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F. H. Edwards, V. A. Ferraris, D. M. Shahian, E. Peterson, A. P. Furnary, C. K. Haan, and C. R. Bridges
Gender-Specific Practice Guidelines for Coronary Artery Bypass Surgery: Perioperative Management
Ann. Thorac. Surg.,
June 1, 2005;
79(6):
2189 - 2194.
[Abstract]
[Full Text]
[PDF]
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T. A. Vassiliades Jr, P. C. Block, L. H. Cohn, D. H. Adams, J. S. Borer, T. Feldman, D. R. Holmes, W. K. Laskey, B. W. Lytle, M. J. Mack, et al.
The Clinical Development of Percutaneous Heart Valve Technology: A Position Statement of the Society of Thoracic Surgeons (STS), the American Association for Thoracic Surgery (AATS), and the Society for Cardiovascular Angiography and Interventions (SCAI) Endorsed by the American College of Cardiology Foundation (ACCF) and the American Heart Association (AHA)
J. Am. Coll. Cardiol.,
May 3, 2005;
45(9):
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American College of Cardiology Foundation (ACCF) a, T. A. Vassiliades Jr, P. C. Block, L. H. Cohn, D. H. Adams, J. S. Borer, T. Feldman, D. R. Holmes, W. K. Laskey, B. W. Lytle, et al.
The clinical development of percutaneous heart valve technology: A position statement of the Society of Thoracic Surgeons (STS), the American Association for Thoracic Surgery (AATS), and the Society for Cardiovascular Angiography and Interventions (SCAI)
J. Thorac. Cardiovasc. Surg.,
May 1, 2005;
129(5):
970 - 976.
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T. A. Vassiliades Jr, P. C. Block, L. H. Cohn, D. H. Adams, J. S. Borer, T. Feldman, D. R. Holmes, W. K. Laskey, B. W. Lytle, M. J. Mack, et al.
The Clinical Development of Percutaneous Heart Valve Technology: A Position Statement of The Society of Thoracic Surgeons (STS), the American Association for Thoracic Surgery (AATS), and the Society for Cardiovascular Angiography and Interventions (SCAI)
Ann. Thorac. Surg.,
May 1, 2005;
79(5):
1812 - 1818.
[Full Text]
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P. M. Ho, F. A. Masoudi, J. A. Spertus, P. N. Peterson, A. L. Shroyer, M. McCarthy Jr, F. L. Grover, K. E. Hammermeister, and J. S. Rumsfeld
Depression Predicts Mortality Following Cardiac Valve Surgery
Ann. Thorac. Surg.,
April 1, 2005;
79(4):
1255 - 1259.
[Abstract]
[Full Text]
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N. E. Taylor, S. O'Brien, F. H. Edwards, E. D. Peterson, and C. R. Bridges
Relationship Between Race and Mortality and Morbidity After Valve Replacement Surgery
Circulation,
March 15, 2005;
111(10):
1305 - 1312.
[Abstract]
[Full Text]
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R. G. Fuster, J. A. M. Argudo, O. G. Albarova, F. H. Sos, S. C. Lopez, M. B. Codoner, J. A. B. Minano, and I. R. Albarran
Patient-prosthesis mismatch in aortic valve replacement: really tolerable?
Eur. J. Cardiothorac. Surg.,
March 1, 2005;
27(3):
441 - 449.
[Abstract]
[Full Text]
[PDF]
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J. G. Byrne, M. Leacche, D. Unic, J. D. Rawn, D. I. Simon, C. D. Rogers, and L. H. Cohn
Staged initial percutaneous coronary intervention followed by valve surgery ("hybrid approach") for patients with complex coronary and valve disease
J. Am. Coll. Cardiol.,
January 4, 2005;
45(1):
14 - 18.
[Abstract]
[Full Text]
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P. Lim, J. L. Monin, M. Monchi, J. Garot, A. Pasquet, L. Hittinger, J. L. Vanoverschelde, A. Carayon, and P. Gueret
Predictors of outcome in patients with severe aortic stenosis and normal left ventricular function: role of B-type natriuretic peptide
Eur. Heart J.,
November 2, 2004;
25(22):
2048 - 2053.
[Abstract]
[Full Text]
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D. M. Shahian, E. H. Blackstone, F. H. Edwards, F. L. Grover, G. L. Grunkemeier, D. C. Naftel, S. A.M. Nashef, W. C. Nugent, and E. D. Peterson
Cardiac Surgery Risk Models: A Position Article
Ann. Thorac. Surg.,
November 1, 2004;
78(5):
1868 - 1877.
[Abstract]
[Full Text]
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M. Enriquez-Sarano and A. J. Tajik
Aortic Regurgitation
N. Engl. J. Med.,
October 7, 2004;
351(15):
1539 - 1546.
[Full Text]
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F. Langer, D. Aicher, A. Kissinger, O. Wendler, H. Lausberg, R. Fries, and H.-J. Schafers
Aortic Valve Repair Using a Differentiated Surgical Strategy
Circulation,
September 14, 2004;
110(11_suppl_1):
II-67 - II-73.
[Abstract]
[Full Text]
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J. S. Collins, A. Evangelista, C. A. Nienaber, E. Bossone, J. Fang, J. V. Cooper, D. E. Smith, P. T. O'Gara, T. Myrmel, D. Gilon, et al.
Differences in Clinical Presentation, Management, and Outcomes of Acute Type A Aortic Dissection in Patients With and Without Previous Cardiac Surgery
Circulation,
September 14, 2004;
110(11_suppl_1):
II-237 - II-242.
[Abstract]
[Full Text]
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C. K. Haan, C. I. Cabral, D. A. Conetta, L. P. Coombs, and F. H. Edwards
Selecting patients with mitral regurgitation and left ventricular dysfunction for isolated mitral valve surgery
Ann. Thorac. Surg.,
September 1, 2004;
78(3):
820 - 825.
[Abstract]
[Full Text]
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S. H. Rahimtoola
The year in valvular heart disease
J. Am. Coll. Cardiol.,
February 4, 2004;
43(3):
491 - 504.
[Full Text]
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W. F. Northrup III, R. W. Emery, D. M. Nicoloff, T. J. Lillehei, A. R. Holter, and D. P. Blake
Opposite trends in coronary artery and valve surgery in a large multisurgeon practice, 1979-1999
Ann. Thorac. Surg.,
February 1, 2004;
77(2):
488 - 495.
[Abstract]
[Full Text]
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S. C. Gardner, G. K. Grunwald, J. S. Rumsfeld, J. C. Cleveland Jr, L. M. Schooley, D. Gao, F. L. Grover, G. O. McDonald, and A. L. Shroyer
Comparison of short-term mortality risk factors for valve replacement versus coronary artery bypass graft surgery
Ann. Thorac. Surg.,
February 1, 2004;
77(2):
549 - 556.
[Abstract]
[Full Text]
[PDF]
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Y. Berkun, A. Elami, K. Meir, D. Mevorach, and Y. Naparstek
Increased morbidity and mortality in patients with antiphospholipid syndrome undergoing valve replacement surgery
J. Thorac. Cardiovasc. Surg.,
February 1, 2004;
127(2):
414 - 420.
[Abstract]
[Full Text]
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R. A. Hopkins
Aortic valve leaflet sparing and salvage surgery: evolution of techniques for aortic root reconstruction
Eur. J. Cardiothorac. Surg.,
December 1, 2003;
24(6):
886 - 897.
[Abstract]
[Full Text]
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J. S. Rumsfeld
Valve surgery in the elderly: A question of quality (of life)?
J. Am. Coll. Cardiol.,
October 1, 2003;
42(7):
1215 - 1217.
[Full Text]
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W. A. Cooper, W. Brinkman, R. J. Petersen, and R. A. Guyton
Impact of renal disease in cardiovascular surgery: emphasis on the African-American patient
Ann. Thorac. Surg.,
October 1, 2003;
76(4):
S1370 - 1376.
[Abstract]
[Full Text]
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C. Blais, J. G. Dumesnil, R. Baillot, S. Simard, D. Doyle, and P. Pibarot
Impact of Valve Prosthesis-Patient Mismatch on Short-Term Mortality After Aortic Valve Replacement
Circulation,
August 26, 2003;
108(8):
983 - 988.
[Abstract]
[Full Text]
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I. Florath, U. P. Rosendahl, A. Mortasawi, S. F. Bauer, F. Dalladaku, I. C. Ennker, and J. C. Ennker
Current determinants of operative mortality in 1400 patients requiring aortic valve replacement
Ann. Thorac. Surg.,
July 1, 2003;
76(1):
75 - 83.
[Abstract]
[Full Text]
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B. Iung, G. Baron, E. G. Butchart, F. Delahaye, C. Gohlke-Barwolf, O. W. Levang, P. Tornos, J.-L. Vanoverschelde, F. Vermeer, E. Boersma, et al.
A prospective survey of patients with valvular heart disease in Europe: The Euro Heart Survey on Valvular Heart Disease
Eur. Heart J.,
July 1, 2003;
24(13):
1231 - 1243.
[Abstract]
[Full Text]
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R. Sharony, E. A. Grossi, P. C. Saunders, C. F. Schwartz, G. B. Ciuffo, F. G. Baumann, J. Delianides, R. M. Applebaum, G. H. Ribakove, A. T. Culliford,, et al.
Aortic valve replacement in patients with impaired ventricular function
Ann. Thorac. Surg.,
June 1, 2003;
75(6):
1808 - 1814.
[Abstract]
[Full Text]
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D. C. Miller
Ischemic mitral regurgitation redux--to repair or to replace?
J. Thorac. Cardiovasc. Surg.,
March 1, 2003;
125(90030):
S58 - 61.
[Full Text]
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N. D. Desai and G. T. Christakis
Stented Mechanical/Bioprosthetic Aortic Valve Replacement
Card. Surg. Adult,
January 1, 2003;
2(2003):
825 - 856.
[Full Text]
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T. Gudbjartsson, S. Aranki, and L. H. Cohn
Mechanical/Bioprosthetic Mitral Valve Replacement
Card. Surg. Adult,
January 1, 2003;
2(2003):
951 - 986.
[Full Text]
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R. H. Mehta, K. A. Eagle, L. P. Coombs, E. D. Peterson, F. H. Edwards, F. D. Pagani, G. M. Deeb, S. F. Bolling, and R. L. Prager
Influence of age on outcomes in patients undergoing mitral valve replacement
Ann. Thorac. Surg.,
November 1, 2002;
74(5):
1459 - 1467.
[Abstract]
[Full Text]
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W. T. Brinkman, W. H. Williams, R. A. Guyton, E. L. Jones, and J. M. Craver
Valve replacement in patients on chronic renal dialysis: implications for valve prosthesis selection
Ann. Thorac. Surg.,
July 1, 2002;
74(1):
37 - 42.
[Abstract]
[Full Text]
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F. L. Grover, J. C. Cleveland Jr, and L. W. Shroyer
Quality Improvement in Cardiac Care
Arch Surg,
January 1, 2002;
137(1):
28 - 36.
[Abstract]
[Full Text]
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D. C. Miller
Ischemic mitral regurgitation redux--To repair or to replace?
J. Thorac. Cardiovasc. Surg.,
December 1, 2001;
122(6):
1059 - 1062.
[Full Text]
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