Postoperative muscle loss and preoperative sarcopenia predict survival and morbidity after surgical stabilization for spinal metastases: a longitudinal CT-morphometric analysis of 285 patients

doi:10.1016/j.spinee.2026.04.019

Postoperative muscle loss and preoperative sarcopenia predict survival and morbidity after surgical stabilization for spinal metastases: a longitudinal CT-morphometric analysis of 285 patients

2026-04-13

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Julian Kylies

L

Leon-Gordian Leonhardt

DOI：10.1016/j.spinee.2026.04.019

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Abstract

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Sarcopenia is associated with adverse outcomes in oncologic populations, yet the postoperative trajectory of skeletal muscle following spine surgery for metastatic disease remains poorly characterized.

Keywords:

Complications

CT morphometry

Minimally invasive surgery

Muscle density (SMD)

Oncology spine surgery

Psoas/paraspinal muscle

Sarcopenia

Skeletal muscle index (SMI)

Spinal metastases

Survival

Postoperative muscle loss and preoperative sarcopenia predict survival and morbidity after surgical stabilization for spinal metastases: a longitudinal CT-morphometric analysis of 285 patients

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