M Rasmussen1, U S Espelund2, N Juul2, A J Yoo3, L H Sørensen4, K E Sørensen5, S P Johnsen6, G Andersen5, C Z Simonsen5. 1. Department of Anaesthesia and Intensive Care, Section of Neuroanaesthesia, Aarhus University Hospital, Denmark. Electronic address: mads.rasmussen@vest.rm.dk. 2. Department of Anaesthesia and Intensive Care, Section of Neuroanaesthesia, Aarhus University Hospital, Denmark. 3. Texas Stroke Institute, Dallas-Fort Worth, TX, USA. 4. Department of Neuroradiology, Aarhus University Hospital, Denmark. 5. Department of Neurology, Aarhus University Hospital, Denmark. 6. Department Clinical Epidemiology, Aarhus University Hospital, Denmark.
Abstract
BACKGROUND: Observational studies have suggested that low blood pressure and blood pressure variability may partially explain adverse neurological outcome after endovascular therapy with general anaesthesia (GA) for acute ischaemic stroke. The aim of this study was to further examine whether blood pressure related parameters during endovascular therapy are associated with neurological outcome. METHODS: The GOLIATH trial randomised 128 patients to eitherGA or conscious sedation for endovascular therapy in acute ischaemic stroke. The primary outcome was 90 day modified Rankin Score. The haemodynamic protocol aimed at keeping the systolic blood pressure >140 mm Hg and mean blood pressure >70 mm Hg during the procedure. Blood pressure related parameters of interest included 20% reduction in mean blood pressure; mean blood pressure <70 mm Hg, <80 mm Hg, and <90 mm Hg, respectively; time with systolic blood pressure <140mm Hg; procedural minimum and maximum mean and systolic blood pressure; mean blood pressure at the time of groin puncture; postreperfusion mean blood pressure; blood pressure variability; and use of vasopressors. Sensitivity analyses were performed in the subgroup of reperfused patients. RESULTS:Procedural average mean and systolic blood pressures were higher in the conscious sedation group (P<0.001). The number of patients with mean blood pressure <70-90 mm Hg and systolic blood pressure <140mm Hg, blood pressure variability, and use of vasopressors were all higher in the GA group (P<0.001). There was no statistically significant association between any of the examined blood pressure related parameters and the modified Rankin Score in the overall patient population, and in the subgroup of patients with full reperfusion. CONCLUSION: We found no statistically significant association between blood pressure related parameters during endovascular therapy and neurological outcome. CLINICAL TRIAL REGISTRATION: NCT 02317237.
RCT Entities:
BACKGROUND: Observational studies have suggested that low blood pressure and blood pressure variability may partially explain adverse neurological outcome after endovascular therapy with general anaesthesia (GA) for acute ischaemic stroke. The aim of this study was to further examine whether blood pressure related parameters during endovascular therapy are associated with neurological outcome. METHODS: The GOLIATH trial randomised 128 patients to either GA or conscious sedation for endovascular therapy in acute ischaemic stroke. The primary outcome was 90 day modified Rankin Score. The haemodynamic protocol aimed at keeping the systolic blood pressure >140 mm Hg and mean blood pressure >70 mm Hg during the procedure. Blood pressure related parameters of interest included 20% reduction in mean blood pressure; mean blood pressure <70 mm Hg, <80 mm Hg, and <90 mm Hg, respectively; time with systolic blood pressure <140 mm Hg; procedural minimum and maximum mean and systolic blood pressure; mean blood pressure at the time of groin puncture; postreperfusion mean blood pressure; blood pressure variability; and use of vasopressors. Sensitivity analyses were performed in the subgroup of reperfused patients. RESULTS: Procedural average mean and systolic blood pressures were higher in the conscious sedation group (P<0.001). The number of patients with mean blood pressure <70-90 mm Hg and systolic blood pressure <140 mm Hg, blood pressure variability, and use of vasopressors were all higher in the GA group (P<0.001). There was no statistically significant association between any of the examined blood pressure related parameters and the modified Rankin Score in the overall patient population, and in the subgroup of patients with full reperfusion. CONCLUSION: We found no statistically significant association between blood pressure related parameters during endovascular therapy and neurological outcome. CLINICAL TRIAL REGISTRATION: NCT 02317237.
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