Age, race, and gender variation in the utilization of coronary artery bypass surgery and angioplasty in SHEP. SHEP Cooperative Research Group. Systolic Hypertension in the Elderly Program.
OBJECTIVE
To assess variability in the use of coronary artery bypass grafting (CABG) and percutaneous transluminal angioplasty (PTCA) in the Systolic Hypertension in the Elderly Program (SHEP) cohort with incident coronary heart disease (CHD) by age, sex, and race.


METHODS
Retrospective analysis of a multicenter prospective cohort study.


METHODS
Community-based ambulatory population in academic centers.


METHODS
Among 4736 subjects initially enrolled in SHEP, there were 432 incident cases of CHD, excluding those patients who experienced rapid or sudden cardiac death.


METHODS
Incident cases of CHD who underwent CABG or PTCA.


RESULTS
Of those participants > or = 60 and < 75 years of age, 7.3% underwent PTCA, compared with 3.9% of those > or = 75 years (P = 0.14). 15.4% of those < 75 underwent CABG surgery, compared with 7.8% of those 75 and older (P = 0.018). When both of these endpoints, CABG and PTCA, were combined, 22.4% of those < 75 underwent a procedure, while only 11.7% of the older cohort did (P = 0.005). Twenty-six percent of men underwent either CABG or PTCA, while only 9.1% of women did (P < 0.001). Of those < 75 years of age, 31.1% of men and 12.3% of women underwent CABG or PTCA (P < 0.001). In the 75 and older age category, 19.5% of men underwent these interventions, compared with 5.9% of women (P = 0.005). Active treatment group was significantly associated with decreased use of procedures in participants < 75 year old with CHD. Race, activity limitations, number of comorbid conditions, education level, marital status, employment status, and social support were not significantly associated with CABG or PTCA use. When the variables studied were entered into a logistic regression model, increased age and female sex remained independently associated with decreased CABG and PTCA use.


CONCLUSIONS
In the SHEP trial older patients and women, regardless of comorbid conditions, socioeconomic status, and social support, underwent less intensive cardiovascular interventions than did younger patients and men when they developed CHD.
Bearden
D
D
Division of Geriatrics, University of Alabama at Birmingham 35294-2041.
Allman
R
R
McDonald
R
R
Miller
S
S
Pressel
S
S
Petrovitch
H
H
D000367:Age Factors; D000368:Aged; D015906:Angioplasty, Balloon, Coronary / Q000706:statistics & numerical data*; D015897:Comorbidity; D001026:Coronary Artery Bypass / Q000706:statistics & numerical data*; D003327:Coronary Disease / Q000150:complications / Q000453:epidemiology / Q000628:therapy*; D005260:Female; D006801:Humans; D006973:Hypertension / Q000150:complications / Q000628:therapy; D015994:Incidence; D016015:Logistic Models; D008297:Male; D018579:Patient Selection; D010818:Practice Patterns, Physicians' / Q000706:statistics & numerical data*; D011446:Prospective Studies; D044469:Racial Groups; D012189:Retrospective Studies; D012737:Sex Factors; D014481:United States