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The Annals of Thoracic Surgery, Vol 42, 37-44, Copyright © 1986 by The Society of Thoracic Surgeons
T Takaro, JL Ankeney, RC Laning and PN Peduzzi
The volume of cardiac surgical procedures and the 30-day mortality
associated with them were reviewed for the total experience of 72 Veterans
Administration medical centers over a 10-year period (1975 to 1984). The
total number of cardiopulmonary bypass operations increased from 3,074 in
1975 to 6,455 in 1984, whereas operative mortality declined from 8.3 to
4.7%. Operative mortality associated with isolated valve replacement
operations declined from 10.9 to 5.9%. Aortocoronary vein bypass
operations, which increased in number from 1,679 to 4,988 over the 10-year
period, were associated with an operative mortality of 4.7% in 1975 and
3.6% in 1984. The extent of the patient's disease accounted for most of the
operative mortality, but problems related to the adequacy of myocardial
protection and the surgical technique were also important factors. These
data were compared with similar comprehensive statistics compiled by the
New York State Department of Health over a five-year period (1979-1983).
Operative mortality rates were quite similar for aortocoronary bypass
procedures, mitral valve replacements, and total cardiac operations.
However, operative mortality for aortic valve procedures was higher among
the Veterans Administration hospitals. In the future, if operative risk
factors are clearly defined, a more meaningful comparison of operative
mortality among ongoing reviews, such as those being carried out by the
Veterans Administration and by New York State, could be used to establish
standards of performance for cardiac surgery.
ARTICLES
Quality control for cardiac surgery in the Veterans Administration
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