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Research Articles

Predictors for intracerebral hemorrhage after intravenous or intraarterial recanalization in acute major cerebral artery occlusion in Korean patients

, , , &
Pages 1271-1284 | Received 30 Nov 2021, Accepted 11 May 2022, Published online: 26 May 2022
 

Abstract

Objective

To evaluate predictors for intracerebral hemorrhage (ICH) and 1-month mortality after intravenous (IV) or intraarterial (IA) recanalization therapy for major cerebral artery occlusion in Korean patients.

Methods

From 2011 to 2015, we prospectively gathered data from consecutive patients treated with IV/IA recanalization within 8 h of symptoms in a single center. The effects of demographic, clinical, laboratory, and radiological factors on ICH within 2 weeks were assessed, as well as 1-month mortality.

Results

From a total of 183 patients, symptomatic intracerebral hemorrhage (SICH) occurred in 32 patients (17.5%), and asymptomatic ICH occurred in 37 patients (20.2%). The mortality rate at 1 month in ICH patients was 37.7%. The international normalized ratio (INR) (OR, 4.9; 95% CI, 1.03–23.4; p = 0.046), glucose (OR, 1.119 per mmol/L; 95% CI, 1.015–1.233; p = 0.023), medium-volume infarct (15–69.9 mL) (OR, 2.62; 95% CI, 1.1–6.26; p = 0.03), large-volume infarct (≥70 mL) (OR, 5.54; 95% CI, 2.1–14.6; p = 0.001), and angioplasty or stenting (OR, 6.29; 95% CI, 1.71–23.22; p = 0.006) were predictors of any ICH. Hyperlipidemia or statin medication (OR, 4.17; 95% CI, 1.38–12.59; p = 0.011), INR (OR, 7.13; 95% CI, 0.94–54.22 p = 0.058), and large-volume infarct (≥70 mL) (OR, 7.96; 95% CI, 2.31–27.39; p = 0.001) were predictors of SICH. Hypertension (OR, 5.77; 95% CI, 1.43-23.3; p = 0.014), initial NIHSS score (OR, 1.09; 95% CI, 1.01–1.18; p = 0.27), and SICH (OR, 15.7; 95% CI, 4.04–61.08; p < 0.001) were predictors of 1-month mortality.

Conclusion

INR and glucose may be strong modifiable predictors of critical ICH leading to death after IV/IA recanalization therapy in acute cerebral artery occlusion.

Acknowledgments

The authors give special thanks to all dedicated members of the stroke teams from the authors’ centers.

Disclosure statement

The authors have no conflicts of interest regarding the current manuscript.

Informed consent

This study does not require informed consent due to retrospective analysis.

Funding

The authors reported there is no funding associated with the work featured in this article.

Correction Statement

This article has been corrected with minor changes. These changes do not impact the academic content of the article.

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