bedside ultrasound vs. supine chest x-ray for pneumothorax

13 Apr

RAGING HYPOTHETICAL:
trauma patient, worried about pneumothorax
–how good is the bedside ultrasound? (sliding lung sign)

YOUTUBE ASSIST:

STUDY 1 (176 patients):

  • sensitivity (CXR): 75.5%
  • sensitivity (US): 98.1%
  • specificity (CXR): 100%
  • specificity (US): 99.2%

STUDY 2 (120 patients):

  • sensitivity (CXR): 82.7%
  • sensitivity (US): 89.7%
  • specificity (CXR): 100%
  • specificity (US): 97%

REVIEW ARTICLE (4 articles, 606 patients):

  • sensitivity (CXR): 28-75%
  • sensitivity (US): 86-98%
  • specificity (CXR): 100%
  • specificity (US): 97-100%  

BOTTOM LINE:
bedside ultrasound vs. supine CXR for pneumothorax
both are very specific
ultrasound is more sensitive than supine CXR

Submitted by S. Lee.

Reference(s): youtube video, study 1, study 2, review article, picture

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