Assessment of the relationship between Brachial Plexus Profile activity short form scores and modified Mallet scores

Stephanie A. Russo, Matthew T. Topley, R. Tyler Richardson, James G. Richards, Ross S. Chafetz, Elizabeth A. Rapp van Roden, Dan A. Zlotolow, Mary Jane Mulcahey, Scott H. Kozin

Research output: Contribution to journalArticlepeer-review

Abstract

Introduction: This study aims to assess the relationship between the modified Mallet classification and the Brachial Plexus Profile activity short form (BP-PRO activity SF). The therapist or surgeon classifies upper extremity movement for the modified Mallet classification, while the BP-PRO assesses parents' perceptions of difficulty performing activities. Purpose: To provide a deeper understanding of the relationship of functional and perceived outcome measurements. Study Design: Prospective, correlational design. Methods: Eighty children with brachial plexus birth injuries were evaluated using the modified Mallet classification, while parents simultaneously answered the BP-PRO activity SF questions. All patients had undergone one of three surgical interventions to improve shoulder function. The relationship between the two measures, patient injury levels, and surgical histories were assessed. Results: The average modified Mallet scores and BP-PRO activity SF scores weakly correlated (r = 0.312, P = .005) and both measures differentiated between C5-6 and C5-7 injury levels (P = .03 and P = .02, respectively). Conversely, the modified Mallet scores could differentiate between the three surgical groups (F = 8.2, P < .001), while the BP-PRO activity SF could not (P =. 54). Conclusion: The results suggest that these tools measure different aspects of patient outcomes. The Mallet classification may be more focused on shoulder motion than the BP-PRO activity SF. Additional questions that specifically require shoulder function could be incorporated into the BP-PRO activity SF to improve understanding of patient/parent perceptions of shoulder function for children with brachial plexus injuries. Clinicians should be aware of the strengths, weaknesses, and limitations of each outcome assessment tool for appropriate use and interpretation of results.

Original languageEnglish (US)
JournalJournal of Hand Therapy
DOIs
StateAccepted/In press - 2020

All Science Journal Classification (ASJC) codes

  • Physical Therapy, Sports Therapy and Rehabilitation
  • Rehabilitation

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