CLINICAL RESEARCH: HEART FAILURE
Ultrafiltration Versus Usual Care for Hospitalized Patients With Heart Failure
The Relief for Acutely Fluid-Overloaded Patients With Decompensated Congestive Heart Failure (RAPID-CHF) Trial
Bradley A. Bart, MD, FACC*,*,
Andrew Boyle, MD*,
Alan J. Bank, MD, FACC*,
Inder Anand, MD, FACC*,
Maria Teresa Olivari, MD, FACC*,
Mark Kraemer, MD*,
Shari Mackedanz, RN, BSN, CCRC*,
Paul A. Sobotka, MD, FACC ,
Mike Schollmeyer, DVM and
Steven R. Goldsmith, MD, FACC*
* Minnesota Heart Failure Consortium, Minneapolis, Minnesota
CHF Solutions Inc., Brooklyn Park, Minnesota
Manuscript received February 15, 2005;
revised manuscript received May 23, 2005,
accepted May 31, 2005.
* Reprint requests and correspondence: Dr. Bradley A. Bart, O5 HCMC, 701 Park Avenue South, Minneapolis, Minnesota 55415 (Email: bartx006{at}umn.edu).
OBJECTIVES: The purpose of this research was to assess the safety and efficacy of ultrafiltration (UF) in patients admitted with decompensated congestive heart failure (CHF).
BACKGROUND: Ultrafiltration for CHF is usually reserved for patients with renal failure or those unresponsive to pharmacologic management. We performed a randomized trial of UF versus usual medical care using a simple UF device that does not require special monitoring or central intravenous access.
METHODS: Patients admitted for CHF with evidence of volume overload were randomized to a single, 8 h UF session in addition to usual care or usual care alone. The primary end point was weight loss 24 h after the time of enrollment.
RESULTS: Forty patients were enrolled (20 UF, 20 usual care). Ultrafiltration was successful in 18 of the 20 patients in the UF group. Fluid removal after 24 h was 4,650 ml and 2,838 ml in the UF and usual care groups, respectively (p = 0.001). Weight loss after 24 h, the primary end point, was 2.5 kg and 1.86 kg in the UF and usual care groups, respectively (p = 0.240). Patients tolerated UF well.
CONCLUSIONS: The early application of UF for patients with CHF was feasible, well-tolerated, and resulted in significant weight loss and fluid removal. A larger trial is underway to determine the relative efficacy of UF versus standard care in acute decompensated heart failure.
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Abbreviations and Acronyms
| | CHF = congestive heart failure | | IV = intravenous | | UF = ultrafiltration |
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