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Related Experiment Videos

Autonomic consequences of brainstem infarction.

M Kihara1, S Nishikawa, Y Nakasaka

  • 1Department of Neurology, Kinki University, School of Medicine, 377-2, Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan.

Autonomic Neuroscience : Basic & Clinical
|March 29, 2001
PubMed
Summary

Brainstem infarction can cause autonomic dysfunction, leading to symptoms like dizziness. Aniracetam treatment improved autonomic function and symptoms in patients with brainstem infarction.

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Area of Science:

  • Neurology
  • Cardiology
  • Autonomic Neuroscience

Background:

  • Brainstem infarctions are associated with symptoms like dizziness and falls.
  • The underlying mechanisms of these symptoms, particularly autonomic dysfunction, are not fully understood.

Purpose of the Study:

  • To quantify autonomic function in patients with brainstem infarction.
  • To investigate the effect of aniracetam on autonomic function in these patients.

Main Methods:

  • Autonomic function was assessed using the Composite Autonomic Scoring Scale (CASS) in 15 patients with brainstem infarction and 31 controls.
  • Patients received aniracetam (600 mg/day) for 56 days, followed by repeat autonomic assessment.

Main Results:

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  • Initial assessment revealed mild autonomic dysfunction in patients, including impaired blood pressure and heart rate responses.
  • Aniracetam treatment led to symptom improvement and enhanced autonomic function test results.

    • Conclusions:

    • Mild autonomic dysfunction may contribute to vertigo and dizziness in brainstem infarction patients.
    • Aniracetam may improve cardiovagal function by activating the cholinergic system.
    • The CASS is a potentially sensitive tool for detecting mild autonomic dysfunction in this population.