• Mayura T Iddagoda.
• Perioperative Service, 6508Royal Perth Hospital, Perth, Western Australia.
• J Perioper Pract. 2021 Jul 1; 31 (7-8): 300-305.

AbstractMyocardial injury after non-cardiac surgery is common and defined as myocardial ischaemia within 30 days after non-cardiac surgery. Diagnosis of myocardial injury after non-cardiac surgery is challenging as this could be clinically asymptomatic during the postoperative period due to many other factors. Role of high-sensitive cardiac troponin in diagnosing myocardial injury after non-cardiac surgery had been evaluated in several studies. Due to the fact that high-sensitive cardiac troponin remains positive for about two weeks in the body and is highly specific in diagnosing clinically silent myocardial injuries, it is recognised as the most useful biomarker in detecting myocardial injury after non-cardiac surgery. However, high-sensitive cardiac troponin is not well incorporated as a biomarker in current major perioperative guidelines or in clinical practice. The aim of this review is to discuss evidence and guidelines in this area in view of the use of high-sensitive cardiac troponin in early identification of myocardial injury after non-cardiac surgery.

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