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The Annals of Thoracic Surgery, Vol 42, 550-553, Copyright © 1986 by The Society of Thoracic Surgeons
DL Jeffery, RR Vijayanagar, DA Bognolo and PF Eckstein
One hundred two female and 102 male patients all older than 70 years who
underwent coronary artery bypass grafting (CABG) between 1978 and 1983 were
matched according to age, anginal status, ejection fraction (EF), number of
bypass grafts, and year of operation. These 204 patients were characterized
by a mean age of 73 years, a mean EF of 64%, a mean of 3.2 bypass grafts
per patient, and unstable angina in 82%. Statistical analyses were
performed on the following variables in conjunction with patient sex to
determine whether the two samples (women and men) can be considered
representative of a single patient population: preoperative resting ECG,
stress test result, number of diseased vessels, left ventricular
end-diastolic pressure, presence of carotid artery disease, use of an
internal mammary artery graft, incidence of operative death, perioperative
myocardial infarction (MI), hospital complications, late MI, recurrent
angina, late death, and cumulative survival. All differences were small and
failed to reach statistical significance except that women had a higher
incidence of recurrent angina-like chest pain and a higher incidence of
ischemic changes in the preoperative ECG and men had a higher incidence of
conduction abnormalities. We conclude that in this age group, CABG is
equally beneficial to women and men in terms of survival, but may result in
less subjective symptomatic benefit in women.
ARTICLES
Results of coronary bypass surgery in elderly women
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