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Associations between Upper Extremity Motor Function and Aphasia after Stroke: A Multicenter Cross-Sectional Study.

Shuo Xu1, Zhijie Yan1,2, Yongquan Pan1

  • 1Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China.

Behavioural Neurology
|November 19, 2021
PubMed
Summary

Stroke patients with post-stroke aphasia (PSA) exhibit poorer upper extremity (UE) motor function. UE motor status and language function are positively correlated, with spontaneous speech ability significantly influencing this relationship.

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Area of Science:

  • Neuroscience
  • Rehabilitation Medicine
  • Speech-Language Pathology

Background:

  • Post-stroke aphasia (PSA) is a common consequence of stroke, often impacting motor function.
  • Understanding the relationship between motor deficits and language impairments is crucial for effective stroke rehabilitation.

Purpose of the Study:

  • To compare upper extremity (UE) motor status in stroke patients with and without PSA.
  • To analyze the correlation between UE motor function and language abilities in patients with PSA.
  • To identify specific language subfunctions most closely related to UE motor function.

Main Methods:

  • A cross-sectional study involving 435 stroke patients.
  • Utilized Fugl-Meyer assessment for the upper extremity (FMA-UE) and Action Research and Arm Test (ARAT) to evaluate UE motor status.
  • Employed multiple linear regression analysis to determine the relationship between UE motor function and language subfunctions.

Main Results:

  • Patients with PSA demonstrated significantly lower FMA-UE and ARAT scores compared to those without PSA.
  • UE motor function scores (FMA-UE and ARAT) were positively correlated with language function.
  • Spontaneous speech ability was identified as a significant predictor of UE motor function.

Conclusions:

  • Stroke patients with PSA exhibit impaired UE motor performance.
  • A significant positive correlation exists between UE motor status and language function.
  • Spontaneous speech ability plays a key role in the association between motor and language functions post-stroke.