Risk of Heart Failure-related Events in Patients Exposed to Medical Cannabis: A Longitudinal Cohort Study.

ABSTRACT:

Objective

This study examined the association between the authorized prescription of cannabis and heart failure (HF) events.

Study design

We conducted a retrospective cohort study of patients who received an authorized prescription of cannabis in Ontario cannabis clinics between 2014-2019 and controls selected from the general population of Ontario.

Methods

Ontario's health administrative data and clinical data from the cannabis clinics were used. Inverse probability of treatment weights based on propensity scores were used to minimize confounding between cannabis exposure and the study outcomes. Weighted Cox proportional hazards regressions measured the association between exposure to cannabis and ED/hospitalization for HF (primary outcome), and a secondary outcome t

SUBMITTER: Dubois C 

PROVIDER: S-EPMC12767842 | biostudies-literature | 2026 Jun

REPOSITORIES: biostudies-literature