Potential effect of green tea extract for adjuvant treatment of acute ischemic stroke by s100íŸ upregulation in non-thrombolysis patient

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June 30, 2023

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Introduction: In ischemic stroke, the cerebral cortex suffers from hypoxia-ischemia, leading to inflammation and
oxidative stress. Green tea extract has an anti-inflammation effect and antioxidant. This study aimed to determine
the efficacy of green tea extract for adjuvant treatment of acute ischemic stroke in non-thrombolysis patients.

Methods: A double-blind randomised controlled trial was conducted in November 2020-November 2021. The
subjects were all acute ischemic stroke patients who presented to the Emergency Room during recruitment,
randomised into control (n=13) and intervention groups (n=18); the intervention groups were given green tea extract
350 mg. Treatment was for 30 days. National Institutes of Health Stroke Scale (NIHSS), modified Rankin Scale (mRS),
Montreal Cognitive Assessment - Indonesia (MoCAIna), IL-10 and S100íŸ were analysed.

Results: Data were compared with a significance level of p<0.05. The differences in NIHSS from day 0 to 7, day 0 to
14 and day 0 to 30 were statistically significant in the intervention group (p=0.019, p=0.002 and p=0.000, respectively).
The mRS score was statistically significant in the intervention group on day 30 (p=0.46). The differences in mRS score
from day 0 to 14 and day 0 to 30 were statistically significant (p=0.042 and p=0.001, respectively) The S100íŸ were
statistically significant in day 7 (p=0.006). The difference in S100íŸ from day 0 to 7 was statistically significant (p=0.001).Conclusions: The green tea extract, through up-regulation S100íŸ, can improve the clinical outcomes of acute
ischemic stroke.