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Ho ES, Kim D, Klar K, Anthony A, Davidge K, Borschel GH, Hopyan S, Clarke HM, Wright FV. Prevalence and etiology of elbow flexion contractures in brachial plexus birth injury: A scoping review. J Pediatr Rehabil Med 2019; 12:75-86. [PMID: 31006697 DOI: 10.3233/prm-180535] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
PURPOSE To synthesize the evidence on the prevalence and etiology of elbow flexion contractures secondary to brachial plexus birth injury (BPBI). METHODS Using Arksey and O'Malley's scoping review framework, MEDLINE, EMBASE, PsycINFO, and CINAHL databases were searched, followed by a comprehensive grey literature search. Articles and abstracts of studies of all level of evidence on the prevalence, natural history, clinical presentation, etiology, and treatment of elbow flexion contractures in BPBI were included. RESULTS Of the 884 records found, 130 full text articles were reviewed, and 57 records were included. The median prevalence of elbow flexion contracture in BPBI was 48%. The magnitude of the contractures was between 5 and 90 degrees. Contractures > 30 degrees were found in 21% to 36% of children. With recent clinical and lab studies, there is stronger evidence that the contractures are largely due to the effects of denervation causing failure in the growth of the affected flexor muscles, while muscle imbalance, splint positioning, and postural preferences play a smaller role. CONCLUSION The etiology of elbow flexion contractures is multifaceted. The contribution of growth impairment in the affected muscles offers greater understanding as to why maintaining passive range of motion in these contractures can be difficult.
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Affiliation(s)
- Emily S Ho
- Division of Plastic and Reconstructive Surgery, The Hospital for Sick Children, Toronto, ON, Canada.,Rehabilitation Sciences Institute, University of Toronto, Toronto, ON, Canada
| | - Dorothy Kim
- Division of Plastic and Reconstructive Surgery, The Hospital for Sick Children, Toronto, ON, Canada
| | - Karen Klar
- Division of Plastic and Reconstructive Surgery, The Hospital for Sick Children, Toronto, ON, Canada
| | - Alison Anthony
- Division of Plastic and Reconstructive Surgery, The Hospital for Sick Children, Toronto, ON, Canada.,Division of Orthopedics, The Hospital for Sick Children, Toronto, ON, Canada
| | - Kristen Davidge
- Division of Plastic and Reconstructive Surgery, The Hospital for Sick Children, Toronto, ON, Canada.,Department of Surgery, University of Toronto, Toronto, ON, Canada
| | - Gregory H Borschel
- Division of Plastic and Reconstructive Surgery, The Hospital for Sick Children, Toronto, ON, Canada.,Department of Surgery, University of Toronto, Toronto, ON, Canada
| | - Sevan Hopyan
- Department of Surgery, University of Toronto, Toronto, ON, Canada.,Division of Orthopedics, The Hospital for Sick Children, Toronto, ON, Canada
| | - Howard M Clarke
- Division of Plastic and Reconstructive Surgery, The Hospital for Sick Children, Toronto, ON, Canada.,Department of Surgery, University of Toronto, Toronto, ON, Canada
| | - F Virginia Wright
- Rehabilitation Sciences Institute, University of Toronto, Toronto, ON, Canada.,Bloorview Research Institute, Toronto, ON, Canada.,Department of Physical Therapy, University of Toronto, Toronto, ON, Canada
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