Rehabilitation approaches used for children with spinal muscular atrophy: A scoping review based on the F-words

Patricia Mortenson1,2,3, Niamh Cushen4, Jill G Zwicker1,2,5

  • 1Department of Occupational Science & Occupational Therapy, University of British Columbia, Vancouver, Canada.

Insights

Children with spinal muscular atrophy (SMA) now survive due to medical advances. This review examines SMA rehabilitation strategies, highlighting a trend toward addressing impairments for functional gains.

Area of Science:

  • Pediatric Rehabilitation
  • Neuromuscular Disorders
  • Evidence Synthesis

Background:

  • Medical advancements have increased survival rates for children with spinal muscular atrophy (SMA).
  • A comprehensive review of SMA rehabilitation approaches, particularly comparing pre- and post-disease-modifying treatment eras, is lacking.
  • Understanding current rehabilitation trends is crucial for optimizing care for pediatric SMA patients.

Purpose of the Study:

  • To systematically review and analyze pediatric rehabilitation interventions and outcomes for spinal muscular atrophy (SMA).
  • To identify trends in SMA rehabilitation approaches before and after the advent of disease-modifying treatments.
  • To provide recommendations for future SMA rehabilitation based on a comprehensive literature analysis.

Main Methods:

  • Systematic literature search of five databases and grey literature (2000-2024) for pediatric SMA rehabilitation studies.
  • Independent dual-reviewer screening of titles and abstracts, with a third reviewer for disagreements.
  • Intervention and outcome coding using the International Classification of Function (ICF) and analysis through the 'F-words for Childhood Disability' framework.

Main Results:

  • 71 reports were retained after screening 2621 unique reports.
  • Interventions primarily targeted impairment (50%) and environmental (27%) domains, with less focus on functioning (15%) and participation (8%).
  • Rehabilitation outcomes predominantly measured impairment (42%) and functioning (43%), with limited data on participation (9%) and quality of life (6%).

Conclusions:

  • Current SMA rehabilitation trends focus on addressing impairments, with an expectation of functional improvement.
  • Recommendations include adopting the 'F-words' framework, utilizing individualized, multidisciplinary, goal-directed approaches.
  • Incorporating the perspectives of children with SMA and their families is essential to enhance and innovate rehabilitation strategies.

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