Accelerometer-Derived Rest-Activity Rhythm Amplitude, Genetic Predisposition, and the Risk of Ischemic Heart Disease: Observational and Mendelian Randomization Study

Background: The rest-activity rhythm amplitude (RARA), as a fundamental human behavior, has been linked to various health conditions. However, its causal relationship with ischemic heart disease (IHD), along with the potential modification by genetic predisposition, remains unclear. Objective: This study aimed to investigate the causal association between RARA and IHD using a triangulation approach that […]

Multimodal Data–Driven Explainable Prognostic Model for Major Adverse Cardiovascular Events Prediction in Patients With Unstable Angina and Heart Failure With Preserved Ejection Fraction: Multicenter, Cross-Regional Cohort Study

Background: Heart failure with preserved ejection fraction (HFpEF) and unstable angina (UA) often coexist in clinical practice, constituting a high-risk cardiovascular phenotype with a markedly increased incidence of major adverse cardiovascular events (MACEs). Identification of high-risk patients within this population is crucial for reducing complications, improving outcomes, and guiding clinical decision-making. Objective: This study aimed […]

Mobile Phone Messaging–Based Interventions to Improve Physical Activity in Patients With Cancer: Systematic Review and Meta-Analysis

Background: Despite the benefits of physical activity for improving cancer-related outcomes, the majority of patients with cancer fail to meet physical activity guidelines. Mobile phone messaging is a scalable approach for promoting physical activity, but its effect on improving physical activity among cancer patients has not been reviewed. Objective: To systematically evaluate the effects of […]

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