Background and purpose An analysis of the ASTER 2 trial revealed similar final recanalisation levels and clinical outcomes in acute large vessel occlusion(LVO)stroke between stent retrieval(SR)alone as a first-line me...Background and purpose An analysis of the ASTER 2 trial revealed similar final recanalisation levels and clinical outcomes in acute large vessel occlusion(LVO)stroke between stent retrieval(SR)alone as a first-line mechanical thrombectomy(MT)technique(SR alone first-line)and concomitant use of contact aspiration(CA)plus SR as a first-line MT technique(SR+CA first-line).The purpose of the present study was to compare the safety and efficacy of SR+CA first-line with those of SR alone first-line for patients with LVO in China.Methods We conducted the present study by using the data from the ANGEL-ACT registry.We divided the selected patients into SR+CA first-line and SR alone first-line groups.We performed logistic regression and generalised linear models with adjustments to compare the angiographic and clinical outcomes,including successful/complete recanalisation after the first technique alone and all procedures,first-pass successful/complete recanalisation,number of passes,90-day modified Rankin Scale,procedure duration,rescue treatment and intracranial haemorrhage within 24 hours.Results Of the 1233 enrolled patients,1069(86.7%)received SR alone first-line,and 164(13.3%)received SR+CA first-line.SR+CA first-line was associated with more thrombectomy passes(3(2-4)vs 2(1-2);β=1.77,95%CI=1.55 to 1.99,p<0.001),and longer procedure duration(86(60-129)min vs 80(50-122)min;β=10.76,95%CI=1.08 to 20.43,p=0.029)than SR alone first-line group.Other outcomes were comparable(all p>0.05)between the two groups.Conclusions Patients undergoing SR+CA first-line had more thrombectomy passes and longer procedure duration than patients undergoing SR alone first-line.Additionally,we suggested that SR+CA first-line was not superior to SR alone first-line in final recanalisation level,first-pass recanalisation level and 90-day clinical outcomes in the Chinese population.展开更多
Background The benefit of stroke thrombectomy for large infarct core still lacks robust randomised controlled studies.Aim To demonstrate the design of a clinical trial on endovascular therapy for acute anterior circul...Background The benefit of stroke thrombectomy for large infarct core still lacks robust randomised controlled studies.Aim To demonstrate the design of a clinical trial on endovascular therapy for acute anterior circulation large vessel occlusion(LVO)patients with large infarct core volume.Design ANGEL-ASPECT is a multicentre,prospective,randomised,open-label,blinded End-point trial to evaluate whether best medical management(BMM)combined with endovascular therapy improves neurological functional outcomes as compared with BMM alone in acute LVO patients with Alberta Stroke Program Early CT Score(ASPECTS)of 3-5 on non-contrast CT or infarct core volume range of 70-100 mL(defined as rCBF<30%on CT perfusion or ADC<620 on MRI)up to 24 hours from symptom onset or last seen well.Study outcomes The primary efficacy outcome is 90(±7)days modified Rankin Scale.Symptomatic intracranial haemorrhage within 48 hours from randomisation is the primary safety outcome.Discussion The ANGEL-ASPECT trial will screen patients with large infarct core(ASPECTS 3-5 or 70-100 mL)through image evaluation criteria within 24 hours and explore the efficacy and safety of endovascular therapy compared with BMM.展开更多
Objectives To investigate the safety and efficacy of endovascular treatment(EVT)for acute medium vessel occlusion(MeVO)in the anterior circulation and to explore the independent predictors of the 90-day good outcome f...Objectives To investigate the safety and efficacy of endovascular treatment(EVT)for acute medium vessel occlusion(MeVO)in the anterior circulation and to explore the independent predictors of the 90-day good outcome for such patients.Methods Data from ANGEL-ACT Registry were analysed in our study.The outcomes,such as the modified Rankin Scale(mRS)at 90 days,successful recanalisation rate and symptomatic intracranial haemorrhage(SICH)rate,were compared between MeVO and acute large vessel occlusions(LVO).Then,the independent predictors of the good outcome at 90 days in MeVO patients were determined by the logistic regression analyses.Results We included 1032 subjects in the analysis,of which,147 were MeVO and 885 were LVO.mRS at 90 days distribution(3(0-4)vs 3(0-5),common odds ratio(OR)=1.00,95%confidence interval(CI)0.73 to 1.38,p=0.994),SICH rate(4.8%vs 8.9%;OR=0.59,95%CI 0.26 to 1.34,p=0.205)and successful recanalisation rate(89.8%vs 89.7%;OR=1.0095%CI 0.51 to 1.93,p=0.992)were similar between the MeVO and LVO groups after adjusting for the confounders.We identified that baseline neutrophil-to lymphocyte ratio≤4.1(OR=2.13,95%CI 1.14 to 3.99,p=0.019),baseline National Institutes of Health Stroke Scale≤14(OR=1.96,95%CI 1.02 to 3.80,p=0.045)and mechanical thrombectomy passes≤1(OR=2.16,95%CI 1.14 to 4.11,p=0.021)were independent predictors of the 90-day good outcome in MeVO patients undergoing EVT.Conclusions Patients with MeVO achieved similar 90-day mRS,SICH rate and successful recanalisation rate after EVT compared with patients with LVO.Several independent predictors of 90-day good outcome in MeVO patients undergoing EVT were determined,which should be highly considered in MeVO stroke management.展开更多
基金funded by the National Key Research and Development Program of China(grant number 2016YFC1301500).
文摘Background and purpose An analysis of the ASTER 2 trial revealed similar final recanalisation levels and clinical outcomes in acute large vessel occlusion(LVO)stroke between stent retrieval(SR)alone as a first-line mechanical thrombectomy(MT)technique(SR alone first-line)and concomitant use of contact aspiration(CA)plus SR as a first-line MT technique(SR+CA first-line).The purpose of the present study was to compare the safety and efficacy of SR+CA first-line with those of SR alone first-line for patients with LVO in China.Methods We conducted the present study by using the data from the ANGEL-ACT registry.We divided the selected patients into SR+CA first-line and SR alone first-line groups.We performed logistic regression and generalised linear models with adjustments to compare the angiographic and clinical outcomes,including successful/complete recanalisation after the first technique alone and all procedures,first-pass successful/complete recanalisation,number of passes,90-day modified Rankin Scale,procedure duration,rescue treatment and intracranial haemorrhage within 24 hours.Results Of the 1233 enrolled patients,1069(86.7%)received SR alone first-line,and 164(13.3%)received SR+CA first-line.SR+CA first-line was associated with more thrombectomy passes(3(2-4)vs 2(1-2);β=1.77,95%CI=1.55 to 1.99,p<0.001),and longer procedure duration(86(60-129)min vs 80(50-122)min;β=10.76,95%CI=1.08 to 20.43,p=0.029)than SR alone first-line group.Other outcomes were comparable(all p>0.05)between the two groups.Conclusions Patients undergoing SR+CA first-line had more thrombectomy passes and longer procedure duration than patients undergoing SR alone first-line.Additionally,we suggested that SR+CA first-line was not superior to SR alone first-line in final recanalisation level,first-pass recanalisation level and 90-day clinical outcomes in the Chinese population.
文摘Background The benefit of stroke thrombectomy for large infarct core still lacks robust randomised controlled studies.Aim To demonstrate the design of a clinical trial on endovascular therapy for acute anterior circulation large vessel occlusion(LVO)patients with large infarct core volume.Design ANGEL-ASPECT is a multicentre,prospective,randomised,open-label,blinded End-point trial to evaluate whether best medical management(BMM)combined with endovascular therapy improves neurological functional outcomes as compared with BMM alone in acute LVO patients with Alberta Stroke Program Early CT Score(ASPECTS)of 3-5 on non-contrast CT or infarct core volume range of 70-100 mL(defined as rCBF<30%on CT perfusion or ADC<620 on MRI)up to 24 hours from symptom onset or last seen well.Study outcomes The primary efficacy outcome is 90(±7)days modified Rankin Scale.Symptomatic intracranial haemorrhage within 48 hours from randomisation is the primary safety outcome.Discussion The ANGEL-ASPECT trial will screen patients with large infarct core(ASPECTS 3-5 or 70-100 mL)through image evaluation criteria within 24 hours and explore the efficacy and safety of endovascular therapy compared with BMM.
基金the National Key Research and Development Program of China,grant number 2016YFC1301500.
文摘Objectives To investigate the safety and efficacy of endovascular treatment(EVT)for acute medium vessel occlusion(MeVO)in the anterior circulation and to explore the independent predictors of the 90-day good outcome for such patients.Methods Data from ANGEL-ACT Registry were analysed in our study.The outcomes,such as the modified Rankin Scale(mRS)at 90 days,successful recanalisation rate and symptomatic intracranial haemorrhage(SICH)rate,were compared between MeVO and acute large vessel occlusions(LVO).Then,the independent predictors of the good outcome at 90 days in MeVO patients were determined by the logistic regression analyses.Results We included 1032 subjects in the analysis,of which,147 were MeVO and 885 were LVO.mRS at 90 days distribution(3(0-4)vs 3(0-5),common odds ratio(OR)=1.00,95%confidence interval(CI)0.73 to 1.38,p=0.994),SICH rate(4.8%vs 8.9%;OR=0.59,95%CI 0.26 to 1.34,p=0.205)and successful recanalisation rate(89.8%vs 89.7%;OR=1.0095%CI 0.51 to 1.93,p=0.992)were similar between the MeVO and LVO groups after adjusting for the confounders.We identified that baseline neutrophil-to lymphocyte ratio≤4.1(OR=2.13,95%CI 1.14 to 3.99,p=0.019),baseline National Institutes of Health Stroke Scale≤14(OR=1.96,95%CI 1.02 to 3.80,p=0.045)and mechanical thrombectomy passes≤1(OR=2.16,95%CI 1.14 to 4.11,p=0.021)were independent predictors of the 90-day good outcome in MeVO patients undergoing EVT.Conclusions Patients with MeVO achieved similar 90-day mRS,SICH rate and successful recanalisation rate after EVT compared with patients with LVO.Several independent predictors of 90-day good outcome in MeVO patients undergoing EVT were determined,which should be highly considered in MeVO stroke management.
