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BMC Neurol ; 24(1): 195, 2024 Jun 10.
Article in English | MEDLINE | ID: mdl-38858627

ABSTRACT

BACKGROUND: The newest generation of Neuroform Atlas stent™ (Stryker, Fremont, California) represents a recent advance of cerebral laser-cut microstents for the treatment of intracranial wide-necked aneurysms, and postoperative complications have been observed among Western patients. We assessed predictors of complications, morbidity, and unfavourable outcomes in a large cohort of patients with aneurysms that were treated with Neuroform Atlas stents in China. METHODS: This retrospective study included subjects who were treated with Atlas stents in China from November 2020 to January 2022. RESULTS: A total of 522 consecutive patients (mean age, 58.9 ± 9.9 years; female, 65.3% [341/522]) with 533 aneurysms were included in the study. In the early postoperative period, the neurological morbidity rate was 7.3% (38/522), the ischaemic stroke rate was 5.0% (26/522), the aneurysm rupture subarachnoid haemorrhage rate was 2.3% (12/522), and the mRS score deterioration rate was 5.4% (28/522). The mortality rate was 0.8% (4/522) in the postoperative period. The rate of neurological morbidity during the follow-up period was 1.2% (6/486). In the multifactor prediction analysis, cerebral infarction, Hunt-Hess grade (3-5), procedure duration, stent length and coil protrusion into the parent artery were found to be independent predictors of neurologic morbidity. The procedure duration, stent length and coil protrusion into the parent artery were found to be independent predictors of mRS score deterioration. CONCLUSIONS: The incidence of SCA (stent-assisted coiling)-related complications with the Atlas stent in this study population was comparable to that in Western populations. We identified the procedure duration and stent length as novel independent predictors of SCA-related ischaemic stroke, neurological morbidity, and mRS score deterioration among the Chinese population.


Subject(s)
Intracranial Aneurysm , Postoperative Complications , Stents , Humans , Intracranial Aneurysm/surgery , Intracranial Aneurysm/epidemiology , Female , Male , Middle Aged , Aged , Stents/adverse effects , China/epidemiology , Retrospective Studies , Postoperative Complications/epidemiology , Postoperative Complications/etiology , Risk Factors , Cohort Studies , Endovascular Procedures/methods , Endovascular Procedures/adverse effects , Endovascular Procedures/instrumentation , Adult , Treatment Outcome , East Asian People
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