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Related Experiment Videos

NIHSS training and certification using a new digital video disk is reliable.

Patrick Lyden1, Rema Raman, Lin Liu

  • 1Department of Neurosciences, UCSD School of Medicine, and Neurology, Veterans Administration Medical Center, San Diego, California, USA. plyden@ucsd.edu

Stroke
|October 15, 2005
PubMed
Summary
This summary is machine-generated.

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New NIH Stroke Scale (NIHSS) certification DVDs demonstrate reliable interrater performance for stroke clinical trials. Online certification is now available, improving stroke care standards.

Area of Science:

  • Neurology
  • Clinical Trials
  • Medical Education

Background:

  • NIH Stroke Scale (NIHSS) certification is crucial for modern stroke clinical trials and stroke center care.
  • Existing NIHSS training materials are over a decade old and lack balanced patient findings.

Purpose of the Study:

  • To evaluate the interrater reliability of a newly developed NIHSS certification DVD.
  • To establish a reliable and up-to-date method for NIHSS certification.

Main Methods:

  • A new NIHSS training and demonstration DVD was created using 18 patients representing diverse scores.
  • 112 raters from experienced stroke centers evaluated certification groups after watching the training DVD.
  • Interrater reliability was measured using kappa coefficients for individual items and intraclass correlation for the total score.

Related Experiment Videos

Main Results:

  • The intraclass correlation coefficient for the total NIHSS score was 0.94, indicating excellent overall reliability.
  • Kappa scores for individual items ranged from 0.21 (ataxia) to 0.92 (LOC-C questions), with most items showing moderate to excellent agreement.
  • Reliability was consistent across different specialists, centers, and professional backgrounds (nurses vs. physicians).

Conclusions:

  • The new NIHSS certification DVDs provide a reliable tool for certifying healthcare professionals.
  • Online access to scoring sheets facilitates real-time, accessible NIHSS certification.