What question did this study set out to answer?

To assess how hospital EVT capabilities in California have evolved since EVT became standard care in 2015.

February 2, 2026Stroke

Abstract DP156: Changes in Hospital Capabilities to Connect Patients to Endovascular Thrombectomy Over Time

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To assess how hospital EVT capabilities in California have evolved since EVT became standard care in 2015.
Analyzed statewide all-payer data from 2016-2021
Identified AIS encounters and categorized hospitals based on EVT volume
Used linear regression to examine trends in hospital EVT capabilities
Categorized hospitals as high-volume, low-volume, gateway, or gap hospitals.
Total AIS encounters were 264,661 from 2016-2021
High-volume EVT hospitals increased from 42 in 2016 to 62 in 2021
Low-volume EVT hospitals decreased from 28 in 2016 to 23 in 2021
The number of gateway hospitals decreased as more hospitals adopted EVT capabilities
A larger proportion of patients presented to high-volume EVT centers over time.

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The study evaluates the evolution of EVT hospital capabilities in California, indicating improved access for stroke patients.

Zachrison et al. (2026) studied this question.

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