AimsThe aim was to assess the effect of a telemonitoring programme vs. standard care (SC) in preventing all‐cause deaths or unplanned hospitalisations in heart failure (HF) at 18 months.Methods and resultsOSICAT was a randomised, multicentre, open‐label French study in 937 patients hospitalised for acute HF ≤12 months before inclusion. Patients were randomised to telemonitoring (daily body weight measurement, daily recording of HF symptoms, and personalised education) (n = 482) or to SC (n = 455). Mean ± standard deviation number of events for the primary outcome was 1.30 ± 1.85 for telemonitoring and 1.46 ± 1.98 for SC [rate ratio 0.97, 95% confidence interval (CI) 0.77–1.23; P = 0.80]. In New York Heart Association (NYHA) class III or IV HF, median time to all‐cause death or first unplanned hospitalisation was 82 days in the telemonitoring group and 67 days in the SC group (P = 0.03). After adjustment for known predictive factors, telemonitoring was associated with a 21% relative risk reduction in first unplanned hospitalisation for HF [hazard ratio (HR) 0.79, 95% CI 0.62–0.99; P = 0.044); the relative risk reduction was 29% in patients with NYHA class III or IV HF (HR 0.71, 95% CI 0.53–0.95; P = 0.02), 38% in socially isolated patients (HR 0.62, 95% CI 0.39–0.98; P = 0.043), and 37% in patients who were ≥70% adherent to body weight measurement (HR 0.63, 95% CI 0.45–0.88; P = 0.006).ConclusionTelemonitoring did not result in a significantly lower rate of all‐cause deaths or unplanned hospitalisations in HF patients. The pre‐specified subgroup results suggest the telemonitoring approach improves clinical outcomes in selected populations but need further confirmation.

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3D LV volume quantification is feasible either by using manual or automated reconstruction software in a normal pediatric population. LV Measurements are well correlated. Differences in volume reconstruction algorithms provide specific software performance characteristics. TomTec is a more feasible method but requires a longer analysis time. Further studies are needed to validate the accuracy of the method to calculate enlarged LV volumes in patients with congenital heart diseases.