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[Visual dependence after recent stroke].

I Bonan1, F Derighetti, M-C Gellez-Leman

  • 1Service de Médecine Physique et de Réadaptation, Groupe Hospitalier Lariboisière-Fernand-Widal, APHP Université Paris-VII, 200, rue du Faubourg-Saint-Denis, 75010 Paris, France. isabelle.bonan@lrb.ap-hop-paris.fr

Annales De Readaptation Et De Medecine Physique : Revue Scientifique De La Societe Francaise De Reeducation Fonctionnelle De Readaptation Et De Medecine Physique
|March 21, 2006
PubMed
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Early after stroke, many patients exhibit visual dependence, relying heavily on visual input. This suggests rehabilitation should incorporate exercises addressing visual disturbances and sensory organization impairments.

Area of Science:

  • Neuroscience
  • Rehabilitation Medicine
  • Clinical Psychology

Background:

  • Stroke survivors often experience difficulties integrating somatosensory or vestibular information.
  • The study investigates the early onset of visual dependence post-stroke, prior to rehabilitation.

Purpose of the Study:

  • To determine if visual dependence is present in the early stages following hemiplegic stroke.
  • To assess the prevalence of visual dependence before rehabilitation interventions.

Main Methods:

  • The Rod and Frame Test (RFT) was administered to 30 patients with recent hemiplegia.
  • Patients adjusted a vertical rod within a tilted frame; performance was compared to 23 healthy controls.
  • Assessments included motor control, sensory function, functional independence, age, neglect, and balance.

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Main Results:

  • Over half (56%) of stroke patients demonstrated visual dependence, compared to 26% of controls.
  • Visual dependence was observed regardless of the affected hemisphere (right or left).
  • No significant correlation was found between visual dependence and patient characteristics like age or neglect.

Conclusions:

  • A substantial proportion of patients with recent hemiplegia exhibit reliance on visual input.
  • The findings suggest potential impairments in sensory organization post-stroke.
  • Rehabilitation strategies should consider visual disturbances and sensory integration challenges.