Specialty of ambulatory care physicians and mortality among elderly patients after myocardial infarction

New England Journal of Medicine

Volumn 347, Issue 21, 2002, Pages 1678-1686

  Ayanian, John Z ^a   Landrum, Mary Beth ^a   Guadagnoli, Edward ^a   Gaccione, Peter ^a  

^a HARVARD MEDICAL SCHOOL   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AGED; AMBULATORY CARE; ARTICLE; CARDIOLOGY; CONTROLLED STUDY; ELDERLY CARE; FEMALE; GENERAL PRACTITIONER; HEALTH CARE QUALITY; HEART INFARCTION; HOSPITAL DISCHARGE; HUMAN; INTERNAL MEDICINE; MAJOR CLINICAL STUDY; MALE; MEDICAL SPECIALIST; MEDICARE; MORTALITY; PRIORITY JOURNAL; SCORING SYSTEM; TREATMENT OUTCOME;

AGE FACTORS; AGED; AGED, 80 AND OVER; AMBULATORY CARE; ANGIOPLASTY, TRANSLUMINAL, PERCUTANEOUS CORONARY; CARDIOLOGY; COHORT STUDIES; COMORBIDITY; CONTINENTAL POPULATION GROUPS; CORONARY ANGIOGRAPHY; CORONARY ARTERY BYPASS; FAMILY PRACTICE; FEMALE; HUMANS; INTERNAL MEDICINE; LOGISTIC MODELS; MALE; MYOCARDIAL INFARCTION; OFFICE VISITS; SEX FACTORS; SURVIVAL ANALYSIS; UNITED STATES;

EID: 0037153027     PISSN: 00284793     EISSN: None     Source Type: Journal    
DOI: 10.1056/NEJMsa020080     Document Type: Article

References (34)

1. Ryan TJ, Anderson JL, Antman EM, et al. ACC/AHA guidelines for the management of patients with acute myocardial infarction: A report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (Committee on Management of Acute Myocardial Infarction). J Am Coll Cardiol 1996;28:1328-428.
2. Donohoe MT. Comparing generalist and specialty care: Discrepancies, deficiencies, and excesses. Arch Intern Med 1998;158:1596-608.
3. Harrold LK, Field TS, Gurwitz JH. Knowledge, patterns of care, and outcomes of care for generalists and specialists. J Gen Intern Med 1999;14:499-511.
4. Go AS, Rao JK, Dauterman KW, Massic BM. A systematic review of the effects of physician specialty on the treatment of coronary disease and heart failure in the United States. Am J Med 2000;108:216-26.
5. Jollis JG, DeLong RR, Pctcrson ED, et al. Outcome of acute myocardial infarction according to the spccialty of the admitting physician. N Engl J Med 1996;335:1880-7.
6. Nash IS, Nash DB, Fustcr V. Do cardiologists do it better? J Am Coll Cardiol 1997;29:475-8.
7. Casale PN, Jones JL, Wolf FE, Pci Y, Eby LM. Patients treated by cardiologists have a lower in-hospital mortality for acute myocardial infarction. J Am Coll Cardiol 1998;32:885-9.
8. Nash IS, Corrato RR, Dlutowski MJ, O'Connor JP, Nash DB. Generalist versus specialist care for acute myocardial infarction. Am J Cardiol 1999;83:650-4.
9. Ayanian JZ, Guadagnoli E, McNeil BJ, Cleary PD. Treatment and outcomes of acute myocardial infarction among patients of cardiologists and generalist physicians. Arch Intern Med 1997;157:2570-6.
10. Thiemann DR, Coresh J, Oetgen WJ, Powe MK. The association between hospital volume and survival after acute myocardial infarction in elderly patients. N Engl J Med 1999;340:1640-8.
11. Frances CD, Go AS, Dauterman KW, et al. Outcome following acute myocardial infarction: Are differences among physician specialties the result of quality of care or case mix? Arch Intern Med 1999;159:1429-36.
12. Frances CD, Shlipak MG, Noguchi H, Heidenreich PA, McClellan M. Does physician specialty affect the survival of elderly patients with myocardial infarction? Health Serv Res 2000;35:1093-116.
13. Willison DJ, Soumerai SB, McLaughlin TJ, et al. Consultation between cardiologists and generalists in the management of acute myocardial infarction: Implications for quality of care. Arch Intern Med 1998;158:1778-83.
14. Marciniak TA, Ellerbeck EF, Radford MJ, et al. Improving the quality of care for Medicare patients with acute myocardial infarction: Results from the Cooperative Cardiovascular Project. JAMA 1998;279:1351-7
15. O'Connor GT, Quinton HB, Traven ND, et al. Geographic variation in the treatment of acute myocardial infarction: The Cooperative Cardiovascular Project. JAMA 1999;281:627-33.
16. Seddon ME, Ayanian JZ, Landrum MB, et al. Quality of ambulatory care after myocardial infarction among Medicare patients by type of insurance and region. Am J Med 2001;111:24-32.
17. Physicians' Current Procedural Terminology (CPT) '98. Chicago: American Medical Association, 1997.
18. Kosenbaum PR, Rubin DB. The central role of the propensity score in observational studies for causal effects. Biometrika 1983;70:41-55.
19. D'Agostino RB Jr. Propensity score methods for bias reduction in the comparison of a treatment to a non-randomized control group. Stat Med 1998;17:2265-81.
20. Connors AF Jr, Speroff T, Dawson NV, et al. The effectiveness of right heart catheterization in the initial care of critically ill patients. JAMA 1996;276:889-97.
21. Petersen LA, Normand S-LT, Daley J, McNeil BJ. Outcome of myocardial infarction in Veterans Health Administration patients as compared with Medicare patients. N Engl J Med 2000;343:1934-41.
22. Polanczyk CA, Rohde LE, Goldman L, et al. Right heart catheterization and cardiac complications in patients undergoing noncardiac surgery: An observational study. JAMA 2001;286:309-14.
23. Sundararajan V, Mitra N, Jacobson JS, Grann VR, Heitjan DF, Neugut AI. Survival associated with 5-fluorouracil-based adjuvant chemotherapy among elderly patients with node-positive colon cancer. Ann Intern Med 2002;136:349-57.
24. Rubin DB. Estimating causal effects from large data sets using propensity scores. Ann Intern Med 1997;127:757-63.
25. Landrum MB, Ayanian JZ. Causal effect of ambulatory specialty care on mortality following myocardial infarction: A comparison of propensity score and instrumental variable analyses. Health Serv Outcomes Res Method 2001;2:221-45.
26. Rosenbaum PR, Rubin DB. Constructing a control group using multivariate matched sampling methods that incorporate the propensity score. Am Stat 1985;39:33-8.
27. Lin DY, Psaty BM, Kronmal RA. Assessing the sensitivity of regression results to unmeasured confounders in observational studies. Biometrics 1998;54:948-63.
28. Hardarson T, Gardarsdottir M, Gudmundsson KT, Thorgeirsson G, Sigvaldason H, Sigfusson N. The relationship between education level and mortality: The Reykjavik Study. J Intern Med 2001;249:495-502.
29. Chen J, Radford MJ, Wang Y, Krumholz HM. Care and outcomes of elderly patients with acute myocardial infarction by physician specialty: The effects of comorbidity and functional limitations. Am J Med 2000;108:460-9.
30. Ayanian JZ. Generalists and specialists caring for patients with heart disease: United we stand, divided we fall. Am J Med 2000;108:259-61.
31. Ayanian JZ, Landrum MB, McNeil BJ. Use of cholesterol-lowering therapy by elderly adults after myocardial infarction. Arch Intern Med 2002;162:1013-9.
32. Ayanian JZ, Hauptman PJ, Guadagnoli E, Antman EM, Pashos CL, McNeil BJ. Knowledge and practices of generalist and specialist physicians regarding drug therapy for acute myocardial infarction. N Engl J Med 1994;331:1136-42.
33. Majumdar SR, Inui TS, Gurwitz JH, Gillman MW, McLaughlin TJ, Soumerai SB. Influence of physician specialty on adoption and relinquishment of calcium channel blockers and other treatments for myocardial infarction. J Gen Intern Med 2001;16:351-9.
34. Baldwin LM, Adamache W, Klabunde CN, Kenward K, Dahlman C, Warren JL. Linking physician characteristics and Medicare claims data. Issues in data availability, quality, and measurement. Med Care 2002;40:Suppl:IV-82-IV-95.