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Multiple Intracranial Aneurysms : Incidence and Management Outcome in King Chulalongkorn Memorial Hospital


Yot Navalitloha, M.D.*,
Chaopeow Taechoran, M.D.*,
Supat O’Chareon, M.D.*

* Division of Neurosurgery, Department of Surgery, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand.


We retrospectively reviewed the 380 patients on whom surgery was performed for intracranial aneurysms between January 1987 and December 1997. The incidence of multiple intracranial aneurysms (MIA) in our hospital was 8.7 per cent (33/380 cases). The management outcome of 33 patients with MIA was assessed 6 months after SAH. The outcome was poorer for patients with MIA than for those with a single intracranialaneurysm (SIA). The mortality and morbidity in all grades were 24.2 per cent in patients with MIA and 16.7 per cent and 19.6 per cent respectively in those with SIA. Delayed neurological deficit and treatment outcome of poor grade patients had significant contribution to outcome in patients with MIA, more than in patients with SIA.

Keyword : Multiple Intracranial Aneurysm, Management, Incidence

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