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Related Experiment Videos

Ascorbate and malondialdehyde in stroke patients

P C Sharpe1, C Mulholland, T Trinick

  • 1Department of Clinical Biochemistry, Ulster Hospital, Dundonald, Belfast, N. Ireland.

Irish Journal of Medical Science
|November 1, 1994
PubMed
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Free radical damage may contribute to cerebral damage after a stroke (cerebrovascular accident). Serum ascorbate levels decreased significantly 48 hours post-stroke, while malondialdehyde levels increased, indicating oxidative stress.

Area of Science:

  • Neurology
  • Biochemistry
  • Oxidative Stress Research

Background:

  • Cerebrovascular accidents (CVA) can lead to cerebral damage.
  • Free radical formation and lipid peroxidation are suspected contributors to this damage.

Purpose of the Study:

  • To investigate the role of oxidative damage in cerebrovascular accidents.
  • To measure serum ascorbate and malondialdehyde levels in CVA patients and controls.

Main Methods:

  • Serum total ascorbate and malondialdehyde (MDA) were measured in 45 CVA patients and 45 controls.
  • Measurements were taken on admission (Time 0) and 48 hours later (Time 48 hours).

Main Results:

  • CVA patients showed a significant decrease in serum ascorbate at 48 hours post-stroke (p < 0.001).

Related Experiment Videos

  • Malondialdehyde levels significantly increased in CVA patients at 48 hours (p < 0.001).
  • No significant differences in initial ascorbate or MDA levels were observed between patients and controls at Time 0.

    • Conclusions:

    • The observed changes in serum ascorbate and MDA support the hypothesis of free radical damage in cerebrovascular accidents.
    • Oxidative stress markers indicate potential therapeutic targets for mitigating CVA-related brain injury.