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Objective:

To determine the relationship between blood glucose levels (mg/dL) and occurrence of symptomatic vasospasm (VSP) and clinical outcomes after aneurysmal subarachnoid hemorrhage.

Design:

Retrospective observational study of 352 patients with subarachnoid hemorrhage admitted within 48 hrs of ictus between January 1995 and June 2002.

Setting:

Neurointensive care unit.

Patients:

Adult patients admitted after subarachnoid hemorrhage.

Interventions:

None.

Measurements and Main Results:

Variables included age; Hunt-Hess classification score; Fisher group; insulin use; infectious disease status; history of diabetes mellitus; and blood glucose values. Poor clinical outcome was defined by a modified Rankin score≥ 3, and hyperglycemia was defined by a blood glucose level> 140 mg/dL. Mean daily blood glucose values were assessed from admission to development of VSP or day 14. Mean …