Key result
Myocardial injury after non-cardiac surgery, defined by a postoperative rise in cardiac troponin, is associated with postoperative complications and mortality.
Why the study?
The true incidence of myocardial injury after non-cardiac surgery, the strength of its correlation with postoperative complications, and its risk factors remain uncertain and likely underestimated.
Postoperative rise in cardiac troponin after non-cardiac surgery is associated with postoperative complications and mortality, warranting further understanding of its incidence and risk factors.
An increasing body of evidence suggests that a postoperative rise in cardiac troponin, even in the absence of other diagnostic criteria for myocardial infarction, is still associated with a range of postoperative complications including myocardial death and all-cause mortality. Myocardial injury after non-cardiac surgery is the term used to describe these cases. The true incidence of myocardial injury after non-cardiac surgery is unknown and likely underestimated. The strength of correlation with postoperative complications is also uncertain as are likely risk factors - though these are likely similar to those for infarction given the similar pathological mechanism. This review article seeks to summarise the literature which has been published over the preceding decades addressing these questions.
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Brooker et al. (2023) conducted a review in Myocardial injury after non-cardiac surgery. Myocardial injury after non-cardiac surgery was evaluated. Myocardial injury after non-cardiac surgery, defined by a postoperative rise in cardiac troponin, is associated with postoperative complications and mortality.
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