Why the study?
Limited studies simultaneously examine progression trajectories across diabetes mellitus, atherosclerotic cardiovascular disease, heart failure, and chronic kidney disease at the population level.
Cohort (n=71,694)
Patients with cardio-renal-metabolic conditions exhibit distinct, high-risk disease trajectories, with incident heart failure driving further comorbidities and chronic kidney disease driving mortality.
CRM coexistence in HF supports holistic risk assessment; leaves open whether integrated interventions alter progression or survival.
Background Cardio-renal-metabolic (CRM) syndrome describes the pathophysiological interconnection among diabetes mellitus (DM), atherosclerotic cardiovascular disease (ASCVD) and heart failure (HF), and chronic kidney disease (CKD). Limited studies simultaneously examine progression trajectories across all three conditions at the population level. We aimed to quantify the coexistence of CRM components, with a specific focus on patients with HF, and analyse survival and disease progression in a real-world setting. Methods CaReMap, an observational cohort study, analysed data from an Italian Regional Epidemiological Repository. The selection period spanned from 2017 to 2022. Incident patients had a first diagnosis of DM, HF, or CKD after January 1, 2017. Prevalent patients were classified based on their baseline morbidity status on January 1, 2017. Descriptive statistics, Kaplan-Meier survival estimates, and cumulative incidence curves for cause-specific events were reported. The CRM stage was further defined according to disease coexistence and severity. Results CaReMap included 71,694 adults with established CRM-related conditions (31.8% incident; 68.2% prevalent). Among incident patients, HF was associated with the highest probability of developing an additional diagnosis (60.4% at 6 years), while CKD showed the highest probability of death before a new diagnosis (43.3% at 6 years). In prevalent patients, the DM&HF group showed the highest cumulative incidence of further diagnoses (47.1% at 6 years). Across both incident and prevalent cohorts, HF and CKD patients experienced the steepest decline in overall survival. Conclusion In this population-based Italian cohort, DM, HF, and CKD define distinct diagnostic trajectories with substantial competing risk of death. These findings provide real-world estimates of transition patterns and absolute risks that may inform risk stratification and integrated care pathways.
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Turoldo et al. (2026) conducted a cohort in Cardio-renal-metabolic (CRM) syndrome (n=71,694). Incident heart failure or chronic kidney disease vs. Other cardio-renal-metabolic conditions was evaluated on Probability of developing an additional diagnosis.
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