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Reversible pontine ischemia caused by acetazolamide challenge
M Komiyama1, M Nishikawa, T Yasui
1Department of Neurosurgery, Osaka City General Hospital, Osaka, Japan.
AJNR. American Journal of Neuroradiology
|November 21, 1997
Summary
Acetazolamide challenge during cerebral blood flow imaging can cause temporary ischemic neurologic deficits in patients with midbasilar artery stenosis. This highlights the potential risks associated with this diagnostic procedure.
Area of Science:
- Neurology
- Vascular Imaging
Background:
- Midbasilar artery stenosis is a condition affecting blood flow to the brain.
- Cerebral blood flow imaging is used to assess brain perfusion.
- Acetazolamide challenge is a provocative test used in neuroimaging.
Observation:
- A patient with midbasilar artery stenosis experienced transient neurological deficits.
- These deficits occurred during cerebral blood flow imaging with acetazolamide challenge.
Findings:
- The case demonstrates a potential ischemic complication of acetazolamide challenge.
- Reversible ischemic neurologic deficits were observed in the context of basilar artery stenosis.
Implications:
- Clinicians should be aware of the risks of acetazolamide challenge in patients with arterial stenosis.
- Careful patient selection and monitoring are crucial during provocative neurovascular testing.
- This finding contributes to understanding the safety profile of acetazolamide in cerebrovascular assessment.