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Severe anemia associated with transient ischemic attacks involving vertebrobasilar circulation
Kuang-Yu Hsiao1, Cheng-Ting Hsiao, Leng-Jye Lin
1Department of Emergency, Chang Gung Memorial Hospital, Chiayi, Puzih City, Chiayi County 613, Taiwan.
The American Journal of Emergency Medicine
|March 25, 2008
Summary
Severe anemia can cause transient ischemic attacks (TIAs), leading to temporary neurologic deficits. This case highlights anemia as a potential independent cause of TIAs, challenging previous assumptions about cerebral homeostasis.
Area of Science:
- Neurology
- Hematology
Background:
- Transient ischemic attack (TIA) is a common cause of transient neurologic deficit.
- Anemic hypoxia, characterized by reduced hemoglobin with normal oxygen levels, is typically compensated by cerebral homeostasis.
Observation:
- A case of severe anemia is presented.
- The patient experienced a transient ischemic attack involving the vertebrobasilar circulation.
Findings:
- Severe anemia was associated with a transient ischemic attack.
- This association suggests anemia may be an independent factor in causing neurologic problems.
Implications:
- The findings challenge the traditional understanding of cerebral homeostasis in profound anemia.
- Anemia should be considered as a potential independent cause of TIAs.
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