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Visuospatial ability and novice brachial plexus sonography performance.

N A Duce1, L Gillett2, J Descallar1,2

  • 1South Western Sydney Clinical School, University of New South Wales, Sydney, NSW, Australia.

Acta Anaesthesiologica Scandinavica
|June 22, 2016
PubMed
Summary
This summary is machine-generated.

Visuospatial abilities like spatial visualization and relations significantly impact ultrasound-guided regional anesthesia performance. Testing these skills can identify novices needing extra support for improved sonography proficiency.

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Area of Science:

  • Medical Education
  • Anesthesiology
  • Medical Imaging

Background:

  • Understanding visuospatial ability's role in ultrasound-guided regional anesthesia is limited.
  • This study investigates the impact of four visuospatial factors on novice sonography performance.

Purpose of the Study:

  • To determine if spatial visualization, flexibility of closure, spatial relations, and speed of closure influence novice proficiency and procedure time in brachial plexus sonography.

Main Methods:

  • Thirty-three novices underwent visuospatial cognitive testing.
  • Brachial plexus sonography was performed on a human model before and after a learning session.
  • Blinded assessors evaluated proficiency, technique, image quality, and time.

Main Results:

  • Higher spatial visualization, spatial relations, and speed of closure correlated with greater proficiency and efficiency (P < 0.02).
  • Matrix Reasoning and Mental Rotations Test-A scores were linked to final sonography exam performance.

Conclusions:

  • Spatial visualization, spatial relations, and speed of closure are key factors in sonography performance.
  • Flexibility of closure did not significantly impact performance.
  • Visuospatial ability assessment can identify novices requiring additional training for regional anesthesia ultrasound.