Perceptual disorders after stroke: a scoping review of interventions

Christine Hazelton*, Kris McGill, Pauline Campbell, Alex Todhunter-Brown, Katie Thomson, Donald J. Nicolson, Joshua D. Cheyne, Charlie Chung, Liam Doris, David C. Gillespie, Susan M. Hunter, Marian C. Brady

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

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Abstract

Perceptual disorders relating to hearing, smell, somatosensation, taste, touch, and vision commonly impair stroke survivors’ ability to interpret sensory information, impacting on their ability to interact with the world. We aimed to identify and summarize the existing evidence for perceptual disorder interventions poststroke and identify evidence gaps. We searched 13 electronic databases including MEDLINE and Embase and Grey literature and performed citation tracking. Two authors independently applied a priori–defined selection criteria; studies involving stroke survivors with perceptual impairments and interventions addressing those impairments were included. We extracted data on study design, population, perceptual disorders, interventions, and outcomes. Data were tabulated and synthesized narratively. Stroke survivors, carers, and clinicians were involved in agreeing definitions and organizing and interpreting data. From 91 869 records, 80 studies were identified (888 adults and 5 children); participant numbers were small (median, 3.5; range, 1–80), with a broad range of stroke types and time points. Primarily focused on vision (34/80, 42.5%) and somatosensation (28/80; 35.0%), included studies were often case reports (36/80; 45.0%) or randomized controlled trials (22/80; 27.5%). Rehabilitation approaches (78/93; 83.9%), primarily aimed to restore function, and were delivered by clinicians (30/78; 38.5%) or technology (28/78; 35.9%; including robotic interventions for somatosensory disorders). Pharmacological (6/93; 6.5%) and noninvasive brain stimulation (7/93; 7.5%) approaches were also evident. Intervention delivery was poorly reported, but most were delivered in hospital settings (56/93; 60.2%). Study outcomes failed to assess the transfer of training to daily life. Interventions for stroke-related perceptual disorders are underresearched, particularly for pediatric populations. Evidence gaps include interventions for disorders of hearing, taste, touch, and smell perception. Future studies must involve key stakeholders and report this fully. Optimization of intervention design, evaluation, and reporting is required, to support the development of effective, acceptable, and implementable interventions.
Original languageEnglish
Pages (from-to)1772-1787
Number of pages16
JournalStroke
Volume53
Issue number5
Early online date25 Apr 2022
DOIs
Publication statusPublished - May 2022

Keywords

  • auditory
  • perceptual disorder
  • somatosensory disorders
  • visual perception
  • review
  • touch perception
  • auditory perception
  • stroke
  • caregivers
  • stroke/complications
  • humans
  • survivors
  • stroke rehabilitation
  • Perceptual Disorders/epidemiology
  • adult
  • child

ASJC Scopus subject areas

  • Clinical Neurology
  • Cardiology and Cardiovascular Medicine
  • Advanced and Specialised Nursing

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