Lumbar skeletal muscle index derived from routine computed tomography exams predict adverse post-extubation outcomes in critically ill patients

L3SMI can be derived from a single axial CT image with minimal training

Georg Fuchs

2017

Key concepts

Scholarcy highlights

  • L3SMI can be derived from a single axial CT image with minimal training
  • To evaluate the effect of a skeletal muscle index derived from a routine CT image at the level of vertebral body L3 on outcomes of extubated patients in the surgical intensive care unit
  • L3SMI was an independent predictor of pneumonia, adverse discharge disposition and 30-day mortality
  • L3SMI was significantly lower in re-intubated patients
  • Secondary analyses suggest that L3SMI is associated with total hospital costs and length of stay post-extubation
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