Approximately 10% of patients without cardiovascular disorders suffer myocardial injury and have a 10% risk of death within 30 days after noncardiac surgery. Preoperative stress increases the risk of myocardial injury after noncardiac surgery (MINS). The mechanisms of MINS are poorly understood. Lack of physical activity and the development of weakness and fatigue are consequences of many noncardiac surgery types. The relationship between surgery and changes in the morphofunctional state of muscles in the postoperative period is still unclear now. The study showed for the first time that metabolic and hormonal changes caused by preoperative stress + surgery or surgery alone underlie MINC in the postoperative period in C57BL/6 mice. Minor increases in triglyceride-glucose (TyG) index were for the first time identified as indicative of ischemic/hypoxic damage to the myocardium and skeletal muscles. More research is necessary to perform to better understand the effects of preoperative stress and noncardiac surgery on the myocardium and muscle performance, as well as the risks and benefits of perioperative treatment.

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http://dx.doi.org/10.1134/S0012496624600283DOI Listing

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