Article ; Online: Endovascular thrombectomy for treatment of isolated posterior cerebral artery occlusion: a real-world analysis of hospitalizations in the United States.
2024 Volume 166, Issue 1, Page(s) 191
Abstract: Background: Despite renewed interest and recently demonstrated efficacy for endovascular thrombectomy (EVT) for treatment of acute ischemic stroke (AIS) of the posterior circulation, to date, no randomized clinical trials have been conducted to evaluate ...
| Abstract | Background: Despite renewed interest and recently demonstrated efficacy for endovascular thrombectomy (EVT) for treatment of acute ischemic stroke (AIS) of the posterior circulation, to date, no randomized clinical trials have been conducted to evaluate EVT for isolated occlusions of the posterior cerebral artery (IPCA). Methods: Hospitalizations for adult patients with primary admission diagnoses of IPCA occlusion were identified in the National Inpatient Sample registry during the period of 2016-2020. The study exposure was treatment with EVT, and primary clinical endpoints included favorable functional outcome (defined as discharge disposition to home without services, previously shown to have high concordance with modified Rankin scale scores 0-2), in-hospital mortality, and any intracranial hemorrhage (ICH). Inverse probability of treatment weighting (IPTW) was performed to balance baseline clinical characteristics between those receiving EVT or medical management (MM). Results: This analysis identified 34,880 IPCA occlusion hospitalizations, 730 (2.1%) of which documented treatment with EVT. Following IPTW adjustment, EVT was associated with favorable outcome in IPCA patients presenting with mild deficits (M-D) (NIHSS < 6) [adjusted odds ratio (aOR) 2.36, 95% confidence interval (CI) 2.27, 2.45; p < 0.001] and in those presenting with moderate-to-severe deficits (M-S-D) (NIHSS 6-42) (aOR 2.00, 95% CI 1.86, 2.15; p < 0.001). Mortality rates did not differ among those with M-S-D [EVT 4.8% vs. MM 4.7%, p = 0.742], while ICH rates were lower. Conclusion: Retrospective analysis of a large administrative registry in the Unites States demonstrates an association of EVT with favorable outcomes following IPCA occlusion, without concomitant risk of hemorrhagic transformation or mortality. |
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| MeSH term(s) | Humans ; Male ; Female ; Aged ; United States ; Endovascular Procedures/methods ; Middle Aged ; Thrombectomy/methods ; Hospitalization/statistics & numerical data ; Treatment Outcome ; Hospital Mortality ; Ischemic Stroke/surgery ; Aged, 80 and over ; Retrospective Studies ; Registries/statistics & numerical data |
| Language | English |
| Publishing date | 2024-04-24 |
| Publishing country | Austria |
| Document type | Journal Article |
| ZDB-ID | 80010-7 |
| ISSN | 0942-0940 ; 0001-6268 |
| ISSN (online) | 0942-0940 |
| ISSN | 0001-6268 |
| DOI | 10.1007/s00701-024-06050-w |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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