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Fasting Hyperglycemia and Long-term Outcome in Patients with Acute Ischemic Stroke Treated with Mechanical
Marcin Wnuk1, Tadeusz Popiela2, Leszek Drabik3
1Jagiellonian University Medical College, Department of Neurology, Krakow, Poland; University Hospital in Krakow, Poland.
Background:
Little is known about the prognostic role of fasting glucose after mechanical thrombectomy (MT).
Aims:
We investigated whether fasting glucose on the next day after MT was associated with long-term outcome in acute ischemic stroke patients according to diabetes.
Methods:
We retrospectively analyzed 181 consecutive patients with acute anterior circulation ischemic stroke who underwent MT in 2 comprehensive stroke centers in Poland. Glucose levels were evaluated on admission and on the next day after MT. Fasting hyperglycemia (FHG) was defined as the glucose level above 5.5 mmol/L. Unfavorable outcome was defined as modified Rankin scale (mRS) of 3-6 at day 90 from stroke onset.
Results:
Patients with FHG had higher mRS at 3-month follow-up compared with those without FHG (3.71 ± 2.56 versus 1.87 ± 2.22, P < .001). In the subgroup analyses, FHG was associated with poor neurological outcome in the group without diabetes (3.74 ± 2.52 versus 1.81 ± 3.74, P < .001) but not with diabetes (3.64 ± 2.67 versus 2.30 ± 3.74, P= .11). Patients without diabetes who had FHG were older, had higher glucose on admission, higher prevalence of atrial fibrillation, cardioembolic stroke etiology and bleeding brain complications compared with the group with normal fasting glucose. After adjustment for potential confounders, fasting glucose (odds ratio [OR] 1.46; 95% CI 1.19-1.79, P < .001), age (OR 1.06; 95% CI 1.02-1.10, P = .001), successful reperfusion (OR 0.09; 95% CI 0.04-0.22, P < .001) and baseline NIHSS score (OR 1.18; 95% CI 1.08-1.29, P < .001) were predictors of mRS 3-6 at 3-month follow-up in the whole group. In the subgroup without diabetes, fasting glucose (OR 1.57; 95% CI 1.17-2.11, P = .002), age (OR 1.05; 95% CI 1.01-1.08, P = .008), successful reperfusion (OR 0.11; 95% CI 0.04-0.30, P < .001) and baseline NIHSS score (OR 1.14; 95% CI 1.04-1.26, P = .011) were independent predictors of unfavorable 3-month outcome.
Conclusions:
Fasting glucose on the next day after MT in patients with acute ischemic stroke is an independent risk factor for worse 3-month outcome.
