Prognostic Biomarkers for Selective Intra-Arterial Cooling Infusion Combined with Endovascular Thrombectomy in Acute Ischemic Stroke Based on Proteomics and Metabolomics.
Capital Medical University
258 participants
Oct 27, 2024
OBSERVATIONAL
Conditions
Summary
Endovascular Thrombectomy has emerged as a pivotal treatment modality for acute ischemic stroke. However, despite successful thrombus removal, a substantial proportion of patients still experience poor outcomes. Selective intra-arterial cooling has shown promise in decelerating stroke progression and providing neuroprotection. This study aims to identify biomarkers associated with the combination of selective intra-arterial cooling infusion and endovascular thrombectomy in the treatment of ischemic stroke by integrating proteomics and metabolomics data. Our study is based on the multicenter RCT study "Safety and Efficacy of Selective Intra-Arterial Cooling Infusion Combined With EVT in Acute Ischemic Stroke." All samples were derived from this experiment. Our objective is to elucidate the molecular mechanisms underlying the prognostic impact of this combined therapeutic approach, providing insights to optimize stroke treatment strategies.
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Interventions
Patients who meet the inclusion criteria and do not meet the exclusion criteria will be randomly assigned to either the control group or the IA-SCI group. Control group patients will receive BMM and EVT. IA-SCI group patients will receive BMM and EVT, and additionally a selective intraarterial cooling infusion. The specific method is as follows: * Pre-recanalization: During the procedure, a micro-catheter used to deploy the stent retriever is threaded coaxially into the common femoral artery through the guide catheter. The microcatheter is advanced over a microguide wire, traveling up through the neck until it reaches beyond the clot. A 50 mL cold 0.9% saline (4℃) is infused into the ischemic territory at a rate of 10 mL/min via the microcatheter. This enables the cold solution to infuse into the ischemic territory prior to revascularization. * Post-recanalization: Following vessel recanalization, cold 0.9% saline (4 ℃) is reinfused into the vessel via the catheter at a rate of 22 mL
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NCT06665386