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[Intracranial aneurysm in Taiwan]
S L Howng1, T P Hung, A L Kwan
1Department of Surgery, Kaohsiung Medical College Hospital, Taiwan, R.O.C.
Journal of the Formosan Medical Association = Taiwan Yi Zhi
|December 1, 1995
Summary
Ruptured intracranial aneurysms are common in Taiwan, with specific demographic and site predilections. Early diagnosis and aggressive treatment are crucial due to high mortality and morbidity rates.
Area of Science:
- Neurology
- Epidemiology
- Neurosurgery
Context:
- Intracranial aneurysms represent a significant cause of subarachnoid hemorrhage.
- Data on the epidemiology and clinical features of ruptured intracranial aneurysms in Taiwan are limited.
- Understanding these features is vital for improving patient outcomes.
Purpose:
- To review the epidemiologic and clinical characteristics of ruptured intracranial aneurysms in Taiwan.
- To analyze patient demographics, aneurysm locations, and treatment modalities.
- To assess survival rates and prognostic factors.
Summary:
- A review of 600 intracranial aneurysm cases in Taiwan revealed a male-to-female ratio of 0.68:1 and a mean age of onset in the mid-50s.
- Common aneurysm sites included the anterior communicating artery (26.7%) and posterior communicating artery (22.0%).
- Survival rates at 1 year were 43.6%, with prognosis linked to the World Federation of Neurological Societies Subarachnoid Hemorrhage Scale score.
Impact:
- Highlights an underestimation of intracranial aneurysm cases among subarachnoid hemorrhage patients in Taiwan.
- Emphasizes the need for prompt and accurate diagnosis to mitigate high mortality and morbidity.
- Provides crucial data for neurosurgical and neurological interventions in the region.