Postoperative myocardial injury after major head and neck cancer surgery

Résumé fourni par la source

Background/objective: This narrative review aims to assess the causes and evaluate the scientific evidence concerning the increased risk of postoperative myocardial infarction (PMI) in patients undergoing major head and neck surgery. Method: A comprehensive review of literature was conducted and findings from clinical trials, meta-analysis as well as observational studies were incorporated to explore the risk factors associated with PMI after a major head and neck surgery. Preoperative risk factors, appropriate diagnostic plans, biomarkers, risk stratification strategies, and treatment options were also assessed. Result: The review highlights that patients undergoing head and neck surgery are at a significant risk of developing PMI primarily due to surgical trauma, anesthesia, and the extensive nature of head and neck surgeries. However, pre-existing conditions like renal insufficiency, cerebrovascular diseases, and diabetes may also exacerbate this risk. Moreover, ECG and regular observation of troponin has proven to be successful in detecting PMI, which can be easily masked due to its ambiguous symptoms in postoperative patients that are receiving pain reducing medications. Once diagnosed, PMI is treated with standard medication for myocardial infarction, however, more emphasis has been put on its timely diagnosis through routine troponin testing. Conclusion: Head and neck cancers are prevalent in developing nations such as Pakistan where the use of tobacco is widespread. As a result of such aggressive cancer, patients may undergo surgery, which places them at a risk of developing PMI. This can be avoided through routine troponin testing which still requires further research on localized patient population considering the physiologic differences.

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