Analysis of risk factors for failure of symptomatic non-acute intracranial artery occlusion by endovascular therapy
Objective To investigate the risk factors of failure of endovascular treatment for symptomatic non-acute intracranial artery occlusion(IAO).Methods A total of 157 patients with symptomatic non-acute IAO who underwent endovascular treatment in Suqian Hospital Affiliated to Xuzhou Medical University from January 2021 to April 2024 were selected as the study objects.According to the surgical method,the patients were divided into thrombectomy group,balloon dilatation group and stent implantation group,then they were divided into successful group and failed group according to postoperative vascular recanalization.The clinical basic data,imaging indexes and laboratory indexes of the two groups were compared.The factors influencing the effect of endovascular therapy in patients with symptomatic non-acute intracranial artery occlusion were analyzed.Results In 157 cases,128 cases were successfully recanalized after vascular therapy,the success rate was 81.53％.Compared with the successful group,patients in the failure group had longer estimated vascular occlusion time,lower ASPECTS score,longer occlusive vessel length,higher proportion of no stump/round blunt stump and collateral circulation grade 0-2(P＜0.05).Logistic regression analysis showed that estimated occlusion time,ASPECTS score,occlusive vessel length,occlusive stump and collateral circulation grade were independent factors affecting the effect of intravascular therapy(P＜0.05).Conclusion Endovascular revascularization rate is higher in symptomatic non-acute IAO patients,but ASPECTS score,occlusion time and length,stump shape and collateral circulation can affect the effect of endovascular therapy.
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