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Stroke. 2010 Oct;41(10):2362-5. doi: 10.1161/STROKEAHA.110.591529. Epub 2010 Aug 19.

Persistent hyperglycemia >155 mg/dL in acute ischemic stroke patients: how well are we correcting it?: implications for outcome.

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1
Stroke Center, Department of Neurology, University Hospital La Paz, Madrid Autónoma University, IdiPAZ, Paseo de la Castellana 261, 28046 Madrid, Spain.

Abstract

BACKGROUND AND PURPOSE:

We aimed to analyze the frequency of persistent hyperglycemia (PH), its implications for outcome, and to document the inpatient management of hyperglycemia.

METHODS:

Post hoc analysis of the GLIAS (Glycemia in Acute Stroke) study, a multicenter, prospective, and observational cohort study of 476 acute ischemic stroke patients. Capillary finger-prick glucose was determined on admission and during the first 48 hours. We defined PH was defined as at least 2 values ≥155 mg/dL. Outcome (modified Rankin Scale) was evaluated at 3 months.

RESULTS:

PH developed in 117 patients (24.7%). PH was associated with poorer outcome (modified Rankin Scale score >2: 56.2% vs 28.1%; P<0.01) and higher mortality (26.7% vs 5.9%; P<0.01) than those with glycemia <155 mg/dL. PH ≥155 mg/dL was associated with a 4-fold increase in the odds of poor outcome at 3 months (odds ratio, 4.7; 95% confidence interval, 2.2-10.2) after adjustment for age, gender, hypertension, diabetes, stroke severity, admission glycemia, and infarct volume. Only 20% of patients with hyperglycemia ≥155 mg/dL received insulin on admission, with a progressive increase in the use of insulin during the following 48 hours. However, 114 (39.1%) out of 291 patients who received corrective treatment for hyperglycemia still had levels ≥155 mg/dL.

CONCLUSIONS:

PH ≥155 mg/dL is a common observation in acute ischemic stroke patients that is associated with poorer outcome and higher mortality. Almost 40% of patients maintained levels ≥155 mg/dL despite corrective treatment.

PMID:
20724713
DOI:
10.1161/STROKEAHA.110.591529
[Indexed for MEDLINE]
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