Sarcopenia is a good surrogate for physical frailty in older adults with injuries.1 The paraspinous muscle group in the mid-back is readily measurable at the lower thoracic vertebral level on abdominal and chest computed tomography (CT) scans, which are routinely obtained during trauma evaluation. Recent advances in automated CT image analysis creates an opportunity for paraspinous sarcopenia measurement as part of the trauma workup.2
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Kaplan SJ, Zhao KL, Koren M, Bentov I, Reed MJ, Pham TN. Thresholds and Mortality Associations of Paraspinous Muscle Sarcopenia in Older Trauma Patients. JAMA Surg. 2020;155(7):662–664. doi:10.1001/jamasurg.2020.0435
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