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  • Title: Beta-blockers use and risk of hyperglycemia in acute stroke patients.
    Author: Dziedzic T, Pera J, Zur-Wyrozumska K, Klimkowicz-Mrowiec A, Szczudlik A, Slowik A.
    Journal: Atherosclerosis; 2012 Jul; 223(1):209-11. PubMed ID: 22624988.
    Abstract:
    BACKGROUND: Beta-adrenergic blockade prevents or diminishes stress-induced hyperglycemia in different experimental models. The aim of the study was to determine if the use of beta-blockers before stroke reduces the risk of acute hyperglycemia in stroke patients. METHODS: We analyzed the data of 603 consecutive patients with acute ischemic stroke and without pre-stroke diagnosis of diabetes mellitus admitted to stroke unit within 24 h after symptoms onset. RESULTS: Plasma glucose level on admission (6.0 ± 1.4 vs 6.6 ± 1.9 mmol/L, P = 0.01) and fasting glucose on day 1 (5.2 ± 1.1 vs 5.7 ± 1.1 mmol/L, P = 0.02) were significantly lower in patients treated with beta-blockers before stroke than in those who did not receive such a treatment. On multivariate logistic analysis beta-blockers use before stroke was associated with reduced risk of glucose level on admission ≥7.8 mmol/L (OR: 0.22, 95%CI: 0.07-0.74) and fasting glucose on day 1 ≥ 7.0 mmol/L (OR: 0.21, 95%CI: 0.05-0.91). The risk of fasting hyperglycemia defined as glucose ≥6.1 mmol/L did not differ between groups. CONCLUSIONS: Beta-blockage before stroke onset may result in lower plasma glucose on admission and prevent early hyperglycemia in patients without pre-stroke diagnosis of diabetes mellitus.
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