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Research Letter
April 29, 2020

Thresholds and Mortality Associations of Paraspinous Muscle Sarcopenia in Older Trauma Patients

Author Affiliations
  • 1Division of Geriatrics and Gerontology, Department of Medicine, Harborview Medical Center, University of Washington, Seattle
  • 2Section of General, Thoracic, and Vascular Surgery, Department of Surgery, Virginia Mason Medical Center, Seattle, Washington
  • 3University of Washington School of Medicine, Seattle
  • 4Albert Einstein College of Medicine, Bronx, New York
  • 5Department of Anesthesiology & Pain Medicine, Harborview Medical Center, University of Washington, Seattle
  • 6Division of Trauma, Burn, and Critical Care Surgery, Department of Surgery, Harborview Medical Center, University of Washington, Seattle
JAMA Surg. 2020;155(7):662-664. doi:10.1001/jamasurg.2020.0435

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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