Evidence map›Paper›PMID 41114864›Full record

Observational studyJournal of general internal medicine2026

Impact of Substance Use Navigators on Initiation of Treatment for Substance Use Disorders and 30-Day Unplanned Readmission.

Arianna Campbell, Allison D Rosen, Steven J Shoptaw, Andrew A Herring, David Jay, Aimee Moulin, Juliet LaMers, Elizabeth A Samuels, Lindsay Gietzen

Abstract readObservational Study
PubMed Full text at PMC Publisher
In one paragraph

Observational study in Journal of general internal medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

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.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Arianna CampbellDepartment of Health Sciences, University of the Pacific, Sacramento, CA, USA. arianna@bridgetotreatment.org.ORCID 0000-0001-8489-8695
Allison D RosenDepartment of Family Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA.
Steven J ShoptawDepartment of Family Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA.
Andrew A HerringThe Bridge Center, Public Health Institute, Oakland, CA, USA.
David JayDepartment of Population Health, Marshall Medical Center, Placerville, CA, USA.
Aimee MoulinThe Bridge Center, Public Health Institute, Oakland, CA, USA.
Juliet LaMersMarshall CARES, Marshall Medical Center, Placerville, CA, USA.
Elizabeth A SamuelsThe Bridge Center, Public Health Institute, Oakland, CA, USA.
Lindsay GietzenDepartment of Health Sciences, University of the Pacific, Sacramento, CA, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe prevalence of substance use disorders (SUDs) is high among hospitalized patients, yet adoption of evidence-based practices to address SUDs in this population is limited. Substance use navigators (SUNs) are a promising intervention for improving patient outcomes.

objectiveThis study aimed to quantify the impact of SUN consultations on medications for opioid use disorder (MOUD) and medications for alcohol use disorder (MAUD) initiation and 30-day unplanned readmissions in hospitalized patients with SUDs.

designA retrospective observational cohort study at a rural hospital in Northern California following adoption of the CA Bridge model of using SUNs to provide low-threshold, evidence-based treatment for SUDs. Patient data were extracted from electronic medical records. PATIENTS: Hospitalized patients with a primary or secondary diagnosis of alcohol use disorder or opioid use disorder in 2023. MAIN MEASURES: The two outcomes of interest were MOUD and MAUD initiation and 30-day unplanned readmission. Propensity score matching was used to estimate risk ratios comparing outcomes for patients who did vs. did not receive SUN consultation. KEY

resultsAmong 781 patients, 26.6% received a SUN consultation and the most common primary diagnosis was sepsis (9%). MOUD and MAUD were initiated among 15.7% of patients who had a SUN consultation and 7% who did not, and the 30-day unplanned readmission rate was 4% for patients who had a SUN consultation and 10.9% for those who did not. In the propensity score matched analysis, having a SUN consultation was associated with a twofold increase in MOUD/MAUD initiation (RR 2.29, 95%CI 1.27-4.11) and a 64% reduction in risk of 30-day unplanned readmission (RR 0.36, 95%CI 0.17-0.80).

conclusionsAdoption of SUNs may be an effective strategy for improving quality of care for patients with SUDs and reducing costs associated with unplanned readmissions at community-based hospitals without addiction medicine consult services.

Indexed as

Opioid-Related DisordersPatient NavigationPatient ReadmissionSubstance-Related DisordersAdultCaliforniaCohort StudiesFemaleHumansMaleMiddle AgedRetrospective StudiesaddictionhospitalMAUDMOUDnavigatorrural

Identifiers

PMID41114864
PMCPMC13125685

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.