Authors
Mairead M Bartley, Jordan C Karow, Rachel M Wiste, Ethan P Heinzen, Patrick M Wilson, Gabriel O Demuth, Shusaku W Asai, Curtis B Storlie, Rachel D Havyer
Published in
Palliative medicine reports. Volume 7. Pages 26892820261460679. Epub Jun 18, 2026.
Abstract
Early palliative care can improve end-of-life outcomes, but referrals to palliative care specialists can be delayed in the primary care setting.
This pilot study assessed the effect of a machine-learning algorithm on time to palliative care in a primary care population.
Patients (aged ≥18 years) were eligible if they were empaneled with a primary care provider (PCP) from July 20, 2020, through May 30, 2021. The algorithm evaluated their health records and presented patients who were predicted to have the greatest need for palliative care. Records were then reviewed by palliative care specialists, and patients were randomized in a stepped-wedge fashion to have a referral notification sent to their PCPs if unmet palliative care needs were verified. Time-to-event outcomes were evaluated with Poisson regression models.
Of the 127,080 patients evaluated, 934 had their health records presented for review. Some patients were repeatedly presented by the algorithm (total presentations: 1592). In the intervention arm, PCPs were prompted to order a palliative care consultation for 142 patients. The time to 0.1% of the population receiving a palliative care consultation was 60.9 days for the intervention arm versus 71.8 days for the control arm (probability of a shorter time with the intervention, 0.88).
A machine-learning algorithm to identify palliative care needs was successfully integrated into a primary care practice. More work is needed to improve the workflow.
PMID:
42539303
Bibliographic data and abstract were imported from PubMed on 01 Aug 2026.
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