Journal
BRAIN SCIENCES
Volume 11, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/brainsci11091164
Keywords
cerebrovascular disease; endovascular treatment; intravenous thrombolysis; inflammation; ischemic stroke; lymphocyte; mechanical thrombectomy; monocytes; neutrophil; recanalization; systemic inflammation response index
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This study aimed to evaluate the relationship between systemic inflammatory response index (SIRI) and futile recanalization in patients with AIS. The study found that older age, higher admission National Institutes of Health stroke scale score, and higher admission SIRI increased the risk of poor outcomes at 3 months despite complete or near-complete recanalization.
Futile recanalization remains a significant challenge for endovascular treatment (EVT) of acute ischemic stroke (AIS). The inflammatory response that occurs after cerebral infarct plays a central role in stroke pathobiology that can influence the outcome of a recanalization procedure. The aim of this study was to evaluate the relationship between the systemic inflammatory response index (SIRI) and futile recanalization in patients with AIS. We retrospectively identified consecutive patients with ischemic stroke due to proximal arterial occlusion in the anterior circulation, who were treated with EVT and achieved near-complete or complete recanalization. Absolute neutrophil count (ANC), absolute monocyte count (AMC), and absolute lymphocyte count (ALC) were collected from admission blood work to calculate SIRI as ANC x AMC/ALC. The study outcome was futile recanalization, defined as poor functional status [modified Rankin scale (mRS) score >= 3] at 3 months despite complete or near-complete recanalization. A total of 184 patients were included. Futile recanalization was observed in 110 (59.8%) patients. Older patients (odds ratio (OR) = 1.07, 95% confidence interval (CI): 1.04-1.10, p < 0.001), higher admission National Institutes of Health stroke scale score (OR = 1.10, 95% CI: 1.02-1.19, p = 0.013), and higher admission SIRI (OR = 1.08, 95% CI: 1.01-1.17, p = 0.028) increased the risk of the poor outcome at 3 months despite complete or near-complete recanalization.
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