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[Importance of transient neurological attacks (TNAs)]
Junichi Uemura1, Takeshi Inoue, Junya Aoki
1Department of Stroke Medicine, Kawasaki Medical School.
Rinsho Shinkeigaku = Clinical Neurology
|July 4, 2014
Summary
Transient neurological attacks (TNAs) often precede ischemic stroke, with TNAs patients showing more risk factors and posterior circulation lesions. Early recognition of these symptoms is crucial for stroke prevention.
Area of Science:
- Neurology
- Cerebrovascular Diseases
- Clinical Neuroscience
Context:
- Transient neurological attacks (TNAs) are temporary neurological symptoms (< 24 hours).
- Ischemic cerebral infarction can follow neurological symptoms not always meeting transient ischemic attack (TIA) criteria.
- Understanding TNAs is vital for predicting and preventing ischemic stroke.
Purpose:
- To clarify the characteristics of transient neurological symptoms preceding ischemic stroke.
- To investigate the clinical features and outcomes of patients with a history of TNAs compared to TIA and no prior history.
- To identify potential risk factors and lesion locations associated with TNAs.
Summary:
- 184 acute stroke and TIA patients were analyzed, divided into TIA, TNAs, and no past history groups.
- The TNAs group (7%) exhibited more hyperlipidemia, diabetes mellitus, and posterior circulation lesions.
- Many patients with transient neurological symptoms did not seek medical attention or receive appropriate treatment.
Impact:
- Highlights the significance of TNAs as a potential precursor to ischemic stroke.
- Suggests that posterior circulation should be examined in patients with TNAs.
- Emphasizes the need for increased awareness and timely medical intervention for transient neurological symptoms to prevent stroke.
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