Nurse-led diuretic titration via a point-of-care urinary sodium sensor in patients with acute decompensated heart failure (EASY-HF): A single-centre, randomized, open-label study.

Early evaluation of the natriuretic response is recommended to guide diuretic therapy in acute decompensated heart failure (ADHF). However, its implementation in daily practice is hampered by implementation barriers and increased time constraints. The Readily Available Urinary Sodium Analysis in Patients with Acute Decompensated Heart Failure (EASY-HF) study assessed the feasibility, efficacy and safety of a nurse-led urinary sodium-based diuretic titration protocol with the use of a point-of-care urinary sodium sensor. The EASY-HF study was a single-centre, randomized, open-label study comparing diuretic management at the treating physician's discretion as standard of care (SOC) with a nurse-led natriuresis-guided protocol in patients with ADHF. The LAQUAtwin Sodium Meter (HORIBA) was used as point-of-care sensor to measure urine sodium concentration. The primary endpoint was natriuresis after 48 h. Secondary endpoints included safety profile and user-friendliness of both the protocol and the point-of-care sensor. Sixty patients were randomized towards SOC (n = 30) versus protocolized care (n = 30). The mean age was 80 ± 8 years, 25% were women and median N-terminal pro-B-type natriuretic peptide was 4667 (2667-7709) ng/L. Natriuresis after 48 h was significantly higher in the protocolized versus SOC group (820 ± 279 vs. 657 ± 273 mmol; p = 0.027). Pre-defined safety endpoints were similar among both groups. The sensor-based protocol was evaluated as easy to use by the nursing staff, and preferred over urinary collections. A nurse-led diuretic titration protocol via a point-of-care urinary sodium sensor was feasible, safe and resulted in an increased natriuresis in ADHF compared to SOC.

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