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Related Experiment Videos

Bone mineral density in patients with stroke.

L Sahin1, K Ozoran, O H Gündüz

  • 1Clinic of Physical Medicine and Rehabilitation, Ankara Numune Education and Research Hospital, Turkey.

American Journal of Physical Medicine & Rehabilitation
|July 28, 2001
PubMed
Summary

Bone mineral density (BMD) in stroke patients shows no significant difference between affected and unaffected limbs in the acute phase. Chronic stroke patients exhibit higher BMD in the affected Ward

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Area of Science:

  • Neurology
  • Bone Metabolism
  • Rehabilitation Medicine

Background:

  • Stroke, a vascular neurologic dysfunction, leads to immobilization and potential complications across organ systems.
  • Understanding bone mineral density (BMD) changes post-stroke is crucial for managing long-term health.
  • Previous research has not fully elucidated BMD differences between affected and unaffected limbs in acute versus chronic stroke.

Purpose of the Study:

  • To investigate and compare bone mineral densities (BMD) of the affected and unaffected sides in acute and chronic stroke patients.
  • To explore potential correlations between BMD, spasticity, motor recovery phases, and daily living activities.

Main Methods:

  • Dual-energy x-ray absorptiometry (DXA) was used to measure upper and lower limb BMD in 30 acute and 30 chronic male stroke patients.

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  • Patients were assessed for spasticity (Ashworth scale), motor improvement (Brunnstrom phases), and activities of daily living.
  • BMD measurements were compared between affected and unaffected sides, and between acute and chronic patient groups.

    • Main Results:

    • Acute stroke patients showed no significant BMD difference between affected and unaffected sides.
    • Lower limb BMD (femur total) was not significantly different in either acute or chronic patients.
    • Chronic stroke patients displayed significantly higher BMD in the affected Ward's region compared to the unaffected side; no correlation was found between BMD and clinical assessments.

    Conclusions:

    • Spasticity and altered gait patterns in chronic stroke may contribute to increased mechanical stress and higher BMD in the affected Ward's region.
    • These findings suggest localized bone density changes in chronic stroke survivors, potentially linked to altered biomechanics.
    • Further research is warranted to explore the clinical implications of these BMD variations.