TY - JOUR
T1 - Changes in Coronary Bypass Surgery Leading to Improved Survival
AU - Rahimtoola, Shahbudin H.
AU - Teply, Joseph F.
AU - Starr, Albert
PY - 1981/10/23
Y1 - 1981/10/23
N2 - Coronary bypass surgery was performed on 439 patients between the years 1969 and 1973 (group A) and on 1,760 patients between the years 1974 and 1979 (group B). The operative mortality for group A was 3.9%; for group B, 1.3%; four-year survival for group A patients was 88.9%±1.5% (mean±SE); for group B patients, 92.5%±0.9%. The difference between the relative four-year survival rates (based on age- and sex-matched Oregon population) between groups B and A was 6.2%; the lower operative mortality would account for only 2.6%. We conclude that the results of coronary bypass surgery have improved because of (1) a lower operative mortality, and (2) other factors that cannot be precisely defined at the present time but probably are the long-term result of better and more complete operative and perioperative techniques. (JAMA 1981;246:1912-1916).
AB - Coronary bypass surgery was performed on 439 patients between the years 1969 and 1973 (group A) and on 1,760 patients between the years 1974 and 1979 (group B). The operative mortality for group A was 3.9%; for group B, 1.3%; four-year survival for group A patients was 88.9%±1.5% (mean±SE); for group B patients, 92.5%±0.9%. The difference between the relative four-year survival rates (based on age- and sex-matched Oregon population) between groups B and A was 6.2%; the lower operative mortality would account for only 2.6%. We conclude that the results of coronary bypass surgery have improved because of (1) a lower operative mortality, and (2) other factors that cannot be precisely defined at the present time but probably are the long-term result of better and more complete operative and perioperative techniques. (JAMA 1981;246:1912-1916).
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U2 - 10.1001/jama.1981.03320170024022
DO - 10.1001/jama.1981.03320170024022
M3 - Article
C2 - 6974786
AN - SCOPUS:84943434042
SN - 0098-7484
VL - 246
SP - 1912
EP - 1916
JO - JAMA: The Journal of the American Medical Association
JF - JAMA: The Journal of the American Medical Association
IS - 17
ER -