Why the study?
Confusion persists regarding the definition and diagnosis of acute perioperative myocardial injury, with a lack of consensus on screening and how to manage affected patients.
Does routine screening with cardiac troponins improve detection and management of myocardial injury after noncardiac surgery?
Does routine screening with cardiac troponins improve detection and management of myocardial injury after noncardiac surgery?
Routine screening with cardiac troponins is necessary to detect largely silent perioperative myocardial injury, which is independently associated with increased mortality.
May flag high-risk noncardiac surgery patients; leaves open whether routine troponin screening improves outcomes.
PURPOSE OF REVIEW: Acute myocardial injury occurs commonly during perioperative care. There is still considerable confusion regarding its diagnosis and definition, and a lack of consensus on who and how to screen, exacerbated by a lack of studies addressing how to manage patients with detected myocardial injury. RECENT FINDINGS: Far from a benign biochemical anomaly, myocardial injury occurring perioperatively is largely a silent disease and is not necessarily because of ischaemia. Preoperative, postoperative, and perioperative changes in cardiac troponins (cTns) are independently associated with increased mortality and adverse cardiovascular outcomes. Routine screening with cTns is required for reliable detection of myocardial injury. Measurement of changes (from preoperative to postoperative) will detect acute events as well as identify patients with chronic troponin increases. SUMMARY: This review aims to bring together current literature regarding myocardial injury that is detected perioperatively, identifies knowledge gaps for future research and provides suggestions for management.
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Chew et al. (2021) studied this question.
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