ArticleThe Permanente journal2020
First Pass Recanalization Rates of Solitaire vs Trevo vs Primary Aspiration: The Kaiser Southern California Experience.
Article in The Permanente journal, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
3 citing papers in PubMed, 1 synthesis or guideline pooled it, 7 citations in OpenAlex.
- MASTRO I: Meta-Analysis and Systematic Review of thrombectomy stent retriever outcomes: comparing functional, safety and recanalization outcomes between EmboTrap, Solitaire and Trevo in acute ischemic stroke.Journal of comparative effectiveness research · 2023Pooled it
- Training a high accuracy model to visualize blood clots during mechanical thrombectomy for the treatment of Acute Ischemic Stroke.Frontiers in stroke · 2025Article
- First-Pass Recanalization with EmboTrap II in Acute Ischemic Stroke (FREE-AIS): A Multicenter Prospective Study.Korean journal of radiology · 2023Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
10 authors at 5 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
contextNew stroke thrombectomy devices have significantly improved recanalization rates in patients with large vessel occlusion. The first pass effect, or complete or near complete recanalization after a single pass of a device, is associated with better outcome. However, it remains unclear whether one technique is superior to the others at first pass recanalization.
objectiveThe successful recanalization rates of three common techniques: 1) Stent-retriever with the Solitaire or 2) Trevo device, or 3) primary aspiration (PA) with a distal aspiration catheter, were compared across three Kaiser Permanente Southern California Medical Centers over a 5-year period.
designRetrospective review of cases between October 2013 and May 2018.
main outcome measureSuccessful recanalization after a single pass of a device.
resultsForty-five percent of Solitaire thrombectomies resulted in first pass success, compared with 31% of Trevo and 39% of PA, not statistically significant (p = 0.26). Adjusted for age, gender, and National Institutes of Health Stroke Scale score, the odds of successful recanalization were 1.90 ± 0.72 (CI 0.90-3.99, p = 0.09) for Solitaire compared with Trevo, and 1.41 ± 0.50 (CI 0.70-2.84, p = 0.33) for aspiration compared with Trevo.
conclusionIn this multi-center cohort, there was no statistical difference in successful first pass recanalization between Solitaire, Trevo, and PA. However, there was a trend towards improved efficacy with the Solitaire device compared to Trevo (OR 1.90, p = 0.09). Additional data are needed to determine the conditions under which design differences may favor one technique over another.
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