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Current Neurovascular Research


ISSN (Print): 1567-2026
ISSN (Online): 1875-5739

Research Article

Association between HbA1C (Glycated Hemoglobin) and Clinical Outcomes in Patients with Subarachnoid Hemorrhage After Neuro-intervention

Author(s): Chan W. Park , Ho J. Yi*, Dong H. Lee and Jae H. Sung

Volume 18, Issue 1, 2021

Published on: 25 February, 2021

Page: [93 - 101] Pages: 9

DOI: 10.2174/1567202618666210225103057

Price: $65


Objective: Our study investigated the association between the level of HbA1c (glycated hemoglobin) at admission and the prognosis of aneurysmal subarachnoid hemorrhage (SAH).

Methods: A total of 510 patients treated with neuro-intervention for aneurysmal SAH and with data for admission HbA1c (glycated hemoglobin) were included. Favorable clinical outcome was defined as modified Rankin Scale (mRS) score of 0-2 at 3 months. Receiver operating characteristic (ROC) curve analysis was used to identify the optimal cutoff value of HbA1C for unfavorable clinical outcomes. Logistic regression was used to evaluate the association between HbA1C level and outcomes.

Results: The optimal cutoff value of HbA1C was identified as 6.0% (P < 0.001), and patients with a high HbA1C (≥ 6.0%) had a lower prevalence of favorable clinical outcomes than patients with low HbA1C (< 6.0%) (P < 0.001). High HbA1C (≥ 6.0%) was independently associated with unfavorable clinical outcome (OR 2.84; 95% CI: 1.52-5.44; P = 0.004). The risk of unfavorable clinical outcome was significantly increased in patients with HbA1C (≥ 7.0%, < 8%) and HbA1C (≥ 8.0%) compared with lower baseline HbA1C (≥ 6.0%, < 7%) values (OR 2.17; 95% CI: 1.87-5.13; P = 0.011 and OR 4.25; 95% CI: 3.17-8.41; P = 0.005).

Conclusion: Our study showed that HbA1C could be an independent predictor of worse outcomes following neuro-intervention for aneurysmal SAH. High HbA1C (≥ 6.0%) was associated with unfavorable clinical outcomes, and gradual elevation of HbA1C contributed to an increase in the risk of worse clinical outcomes after SAH.

Keywords: Aneurysm, glucose, glycated hemoglobin, hyperglycemia, subarachnoid hemorrhage, HbA1C.

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