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Methods for In Vivo Biomechanical Testing on Brachial Plexus in Neonatal Piglets
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Published on: December 19, 2019

The brachial plexus outcome measure: development, internal consistency, and construct validity.

Emily S Ho1, Christine G Curtis, Howard M Clarke

  • 1Division of Plastic and Reconstructive Surgery, Department of Rehabilitation Services, The Hospital for Sick Children, University of Toronto, Ontario, Canada. emily.ho@sickkids.ca

Journal of Hand Therapy : Official Journal of the American Society of Hand Therapists
|July 24, 2012
PubMed
Summary
This summary is machine-generated.

The new Brachial Plexus Outcome Measure (BPOM) Activity Scale shows good internal consistency and construct validity. This tool effectively measures functional outcomes in children with obstetrical brachial plexus palsy (OBPP).

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Published on: June 12, 2019

Area of Science:

  • Pediatric Orthopedics
  • Rehabilitation Medicine
  • Clinical Assessment Tools

Background:

  • Obstetrical brachial plexus palsy (OBPP) is a significant cause of upper extremity dysfunction in children.
  • Accurate and reliable outcome measures are crucial for evaluating treatment efficacy and guiding rehabilitation.
  • Existing assessment tools may not fully capture the functional impact of OBPP.

Purpose of the Study:

  • To develop and validate the Brachial Plexus Outcome Measure (BPOM) Activity Scale.
  • To evaluate the internal consistency and construct validity of the BPOM Activity Scale.
  • To establish the BPOM Activity Scale as a reliable functional outcome measure for children with OBPP.

Main Methods:

  • Retrospective case series of children (aged 4-19 years) diagnosed with OBPP.
  • Calculation of intraclass coefficients to assess internal consistency of BPOM Activity Scale items.
  • Correlation analysis between the BPOM Activity Scale and the Active Movement Scale (AMS) to determine convergent validity.

Main Results:

  • The BPOM Activity Scale demonstrated good internal consistency with a Cronbach's alpha of 0.87 (N=306).
  • A strong positive correlation was found between the BPOM Activity Scale and AMS scores (r=0.71, p=0.001, n=284), indicating good convergent validity.
  • The results support the reliability and validity of the BPOM Activity Scale.

Conclusions:

  • The BPOM Activity Scale is a valid and reliable tool for assessing functional outcomes in children with OBPP.
  • The scale exhibits strong internal consistency and construct validity.
  • The BPOM Activity Scale can be utilized as a discriminative functional outcome measure in pediatric OBPP populations.