Background and aim The clinical importance and management of vasospasm as a complication during endovascular stroke treatment(EVT)has not been well *** sought to investigate current expert opinions in neurointerventio...
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Background and aim The clinical importance and management of vasospasm as a complication during endovascular stroke treatment(EVT)has not been well *** sought to investigate current expert opinions in neurointervention and therapeutic strategies of iatrogenic vasospasm during *** We conducted an anonymous international online survey(4 April 2023 to 15 May 2023)addressing treatment standards of neurointerventionalists(NIs)practising *** illustrative cases of patients with vasospasm during EVT were *** study groups were compared according to the NI’s opinion regarding the potential influence of vasospasm on patient outcome after EVT using descriptive *** In total,534 NI from 56 countries responded,of whom 51.5%had performed>200 *** was considered a complication potentially influencing the patient’s outcome by 52.6%(group 1)whereas 47.4%did not(group 2).Physicians in group 1 more often added vasodilators to their catheter flushes during EVT routinely(43.7%vs 33.9%,p=0.033)and more often treated severe large-vessel vasospasm with vasodilators(75.3%vs 55.9%;p<0.001),as well as extracranial vasospasm(61.4%vs 36.5%,p<0.001)and intracranial medium-vessel vasospasm(27.1%vs 11.2%,p<0.001),compared with group *** case of a large-vessel vasospasm and residual and amenable medium-vessel occlusion during EVT,the study groups showed different treatment *** 2 continued the EVT immediately more often,without initiating therapy to treat the vasospasm first(9.6%vs 21.1%,p<0.001).Conclusion There is disagreement among NIs about the clinical relevance of vasospasm during EVT and its *** was a higher likelihood of use of preventive and active vasodilator treatment in the group that perceived vasospasm as a relevant complication as well as differing interventional strategies for continuing an EVT in the presence of a large-vessel vasospasm.
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