PMID- 17888974 OWN - NLM STAT- MEDLINE DCOM- 20071221 LR - 20191210 IS - 1552-6259 (Electronic) IS - 0003-4975 (Linking) VI - 84 IP - 4 DP - 2007 Oct TI - Clinical evaluation of the CorCap Cardiac Support Device in patients with dilated cardiomyopathy. PG - 1226-35 AB - BACKGROUND: Left ventricular (LV) remodeling is related to adverse outcomes in heart failure. The CorCap Cardiac Support Device (CSD; Acorn Cardiovascular, Inc, St. Paul, MN) is an implantable device that attenuates LV remodeling. METHODS: The Acorn trial assessed the safety and efficacy of the CSD in 300 heart failure patients. Patients needing mitral surgery (n = 193) were randomized to mitral surgery alone or mitral surgery plus CSD. Patients who did not need mitral surgery (n = 107) were randomized to medical therapy or medical therapy plus CSD. The primary endpoint was a clinical composite based on changes in patient vital status, the need for major cardiac procedures for worsening heart failure, and a change in New York Heart Association (NYHA) class. RESULTS: The proportional odds ratio for the primary endpoint favored treatment with the CSD (1.73 confidence interval [CI]: 1.07 to 2.79; p = 0.024). The CSD-treated patients received significantly (p = 0.01) fewer cardiac procedures indicative of worsening heart failure and had an improvement in New York Heart Association class (p = 0.049). There was no significant difference in survival between groups (p = 0.85). Treatment with the CSD led to a decrease in LV end-diastolic (p = 0.009) and end-systolic volumes (p = 0.017), an increase in the LV sphericity index (p = 0.026), an improvement in the Minnesota Living with Heart Failure score (p = 0.04), and the Short Form-36 Questionnaire (p = 0.015). There was no evidence for a significant difference (p = 0.43) in serious adverse events between the treatment and control groups. CONCLUSIONS: The results of the Acorn trial support the hypothesis that preventing LV remodeling with a CSD favorably impacts the untoward natural history of heart failure. FAU - Mann, Douglas L AU - Mann DL AD - Baylor College of Medicine, Houston, Texas, USA. dmann@bcm.tmc.edu FAU - Acker, Michael A AU - Acker MA FAU - Jessup, Mariell AU - Jessup M FAU - Sabbah, Hani N AU - Sabbah HN FAU - Starling, Randall C AU - Starling RC FAU - Kubo, Spencer H AU - Kubo SH CN - Acorn Trial Principal Investigators and Study Coordinators LA - eng PT - Evaluation Study PT - Journal Article PT - Multicenter Study PT - Randomized Controlled Trial PT - Research Support, Non-U.S. Gov't PL - Netherlands TA - Ann Thorac Surg JT - The Annals of thoracic surgery JID - 15030100R SB - IM MH - Adolescent MH - Adult MH - Aged MH - Aged, 80 and over MH - Cardiomyopathy, Dilated/diagnosis/*mortality/*surgery MH - Confidence Intervals MH - Female MH - Follow-Up Studies MH - Heart Valve Prosthesis Implantation/*methods/mortality MH - *Heart-Assist Devices MH - Humans MH - Male MH - Middle Aged MH - Mitral Valve Insufficiency/diagnosis/*surgery MH - Odds Ratio MH - Postoperative Complications/mortality MH - Probability MH - Prospective Studies MH - Prosthesis Design MH - Risk Assessment MH - Severity of Illness Index MH - Survival Analysis MH - Treatment Outcome MH - Ventricular Remodeling/physiology EDAT- 2007/09/25 09:00 MHDA- 2007/12/22 09:00 CRDT- 2007/09/25 09:00 PHST- 2007/01/15 00:00 [received] PHST- 2007/03/12 00:00 [revised] PHST- 2007/03/19 00:00 [accepted] PHST- 2007/09/25 09:00 [pubmed] PHST- 2007/12/22 09:00 [medline] PHST- 2007/09/25 09:00 [entrez] AID - S0003-4975(07)00892-2 [pii] AID - 10.1016/j.athoracsur.2007.03.095 [doi] PST - ppublish SO - Ann Thorac Surg. 2007 Oct;84(4):1226-35. doi: 10.1016/j.athoracsur.2007.03.095.