Pre-existing arrhythmias and male sex were associated with composite unfavorable outcomes in heart failure patients remotely monitored by telemetry.
43% of heart failure patients under telemetry monitoring showed arrhythmic or adverse events, with non-sustained ventricular tachycardia being the most common event.
Male sex was significantly associated with unfavorable outcomes in heart failure patients under telemetry.
Diabetes mellitus was found to be protective against unfavorable outcomes in this heart failure telemetry population.
Pre-existing arrhythmias were associated with adverse outcomes in heart failure patients monitored by telemetry.
The incidence of telemetry events was notably concentrated within the first 10 days of monitoring.
After arrhythmic events were detected, clinical responses included urgent electrocardiograms, pharmacological adjustments, and transfer-associated mortality.
This research suggests that remote heart monitoring (telemetry) in hospitalized heart failure patients can detect important warning signs, but certain patient characteristics are linked to worse outcomes. In a study of 425 patients at a public university hospital tracked over five years, nearly half experienced some kind of abnormal heart rhythm event while being monitored. The most common event was a type of rapid heart rhythm called non-sustained ventricular tachycardia. When these events occurred, doctors and nurses responded with urgent heart tracings, medication changes, and in some cases, transfer to a higher-level care unit — where about 1 in 6 of those transferred subsequently died. The study found that being male and having a history of heart rhythm problems before hospitalization were both linked to worse composite outcomes. Interestingly, having diabetes was associated with better outcomes in this group, which is an unexpected finding that the authors noted. The timing of events also stood out: most concerning events tended to happen within the first 10 days of telemetry monitoring, suggesting that this early window may be especially important for close observation. This research suggests that nurses and clinical teams monitoring heart failure patients via telemetry should pay particular attention to male patients and those with prior arrhythmias, especially during the first 10 days of monitoring. The findings highlight the value of telemetry in catching dangerous heart rhythm changes early and guiding timely clinical responses, and they point to the need for further study into why certain patient characteristics, like diabetes, appear to influence outcomes in this setting.
Cruz R, Lemos D, Luz K, Souza L, Eugênio C, Caballero L, et al.. (2026). Telemetry-based insights: clinical indicators linked to unfavorable outcomes in heart failure.. Revista gaucha de enfermagem. https://doi.org/10.1590/1983-1447.2026.20250170.en