Why the study?
Does waiting 2 years or more after a coronary occlusion reduce the risk of postoperative recurrence in male surgical patients over 50?
Does waiting 2 years or more after a coronary occlusion reduce the risk of postoperative recurrence in male surgical patients over 50?
Elective surgery can be performed with a baseline risk of postoperative coronary occlusion if delayed for at least 2 years after a prior coronary occlusion.
Answers are grounded in this paper and cite their sources.
Hypothesis-generating for a ≥2-year delay after coronary occlusion before elective surgery in older men; prospective trials needed to confirm.
A study was made to estimate the anesthetic risk in a patient with a previous coronary occlusion or cerebrovascular accident and to answer the question, How long should one wait following an occlusion before elective surgery could be performed with reasonable safety? A group of 8,984 male surgical patients over 50 years of age were evaluated for preoperative coronary occlusions and cerebrovascular accidents, and for postoperative recurrences. Of the 427 patients with preoperative coronary occlusions, 26 suffered a postoperative occlusion, with a mortality of 15. Of the 8,557 patients with no preoperative occlusion, 59 suffered postoperative complications and 11 died. The incidence of recurrence of a coronary occlusion following surgery is definitely diminished if the occlusion has occurred 2 years or more before surgery, and is no higher than in the population with no preoperative coronary occlusion.
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Knapp et al. (1963) studied this question.
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