• Lee R Goldberg, John D Piette, Mary Norine Walsh, Theodore A Frank, Brian E Jaski, Andrew L Smith, Raymond Rodriguez, Donna M Mancini, Laurie A Hopton, E John Orav, Evan Loh, and WHARF Investigators.
• Division of Cardiovascular Medicine, Heart Failure and Cardiac Transplant Program, University of Pennsylvania, Philadelphia, Pa 19104, USA. Lee.Goldberg@UPHS.UPENN.EDU
• Am. Heart J. 2003 Oct 1; 146 (4): 705-12.

BackgroundHeart failure treatment guidelines emphasize daily weight monitoring for patients with heart failure, but data to support this practice are lacking. Using a technology-based heart failure monitoring system, we determined whether daily reporting of weight and symptoms in patients with advanced heart failure would reduce rehospitalization and mortality rates despite aggressive guideline-driven heart failure care.MethodsThis was a randomized, controlled trial. Patients hospitalized with New York Heart Association class III or IV heart failure, with a left ventricular ejection fraction < or =35% were randomized to receive heart failure program care or heart failure program care plus the AlereNet system (Alere Medical, Reno, Nev) and followed-up for 6 months. The primary end point was 6-month hospital readmission rate. Secondary end points included mortality, heart failure hospitalization readmission rate, emergency room visitation rate, and quality of life.ResultsTwo hundred eighty patients from 16 heart failure centers across the United States were randomized: 138 received the AlereNet system and 142 received standard care. Mean age was 59 +/- 15 years and 68% were male. The population had very advanced heart failure, New York Heart Association class III (75%) or IV (25%), as evidenced by serum norepinepherine levels, 6-minute walk distance and outcomes. No differences in hospitalization rates were observed. There was a 56.2% reduction in mortality (P <.003) for patients randomized to the AlereNet group.ConclusionsThis is the largest multicenter, randomized trial of a technology-based daily weight and symptom-monitoring system for patients with advanced heart failure. Despite no difference in the primary end point of rehospitalization rates, mortality was significantly reduced for patients randomized to the AlereNet system without an increase in utilization, despite specialized and aggressive heart failure care in both groups.

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