| Maintained benefits and improved survival of dynamic cardiomyoplasty by activity-rest stimulation: 5-year results of the Italian trial on "demand" dynamic cardiomyoplasty. | |
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MedLine Citation:
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PMID: 12493509 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: Latissimus dorsi (LD) muscular degeneration caused by continuous electrical stimulation has been the main cause of the poor results of dynamic cardiomyoplasty (DCMP) and its exclusion from the recent international guidelines on heart failure. To avoid full transformation of the LD and to improve results, a new stimulation protocol was developed; fewer impulses per day are delivered, providing the LD wrap with daily periods of rest ("demand" stimulation), based on a heart rate cut-off. The aim of this work is to report the results at 5 years of follow-up of the Italian Trial of Demand Dynamic Cardiomyoplasty and to discuss their impact on the destiny of this type of cardiac assistance. METHODS: Twelve patients with dilated myocardiopathy (M/F=11/1, mean age 58.2+/-5.8 years, sinus rhythm/atrial fibrillation=11/1) were submitted during the period 1993-1996 to DCMP and at different intervals to demand protocol. Clinical, echocardiographic, mechanographic and cardiac invasive assessments were scheduled before initiating the demand protocol and during the follow-up at 0, 6 and every 12 months. RESULTS: The mean duration of follow-up was 40.2+/-13.8 months (range 18-64). There were no perioperative deaths. The demand stimulation protocol showed a decrease in 5 years in New York Health Association (NYHA) class (3.17+/-0.38-1.67+/-0.77, P=0.0001), an improvement of left ventricular ejection fraction (22.6+/-4.38-32.0+/-7.0, P<0.001), a 5-year actuarial survival of 83.3% (one patient was switched to heart transplantation programme due to clinical worsening and another one died of massive pulmonary embolism). CONCLUSIONS: Demand DCMP maintains over time LD muscular properties, enhances clinical benefits and improves survival of DCMP, thus reopening the debate whether this type of treatment should be considered in patients with end-stage heart failure. |
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Authors:
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Gianluca Rigatelli; Mario Barbiero; Giorgio Rigatelli; Roberto Riccardi; Franco Cobelli; Angelo Cotogni; Attilio Bandello; Ugo Carraro |
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Publication Detail:
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Type: Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery Volume: 23 ISSN: 1010-7940 ISO Abbreviation: Eur J Cardiothorac Surg Publication Date: 2003 Jan |
Date Detail:
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Created Date: 2002-12-20 Completed Date: 2003-03-20 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 8804069 Medline TA: Eur J Cardiothorac Surg Country: England |
Other Details:
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Languages: eng Pagination: 81-5 Citation Subset: IM |
Affiliation:
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Cardiomyoplasty Project Unit, Legnago General Hospital, Via T. Speri 18, 37040 Legnago, Verona, Italy. jackyheart@hotmail.com |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Cardiomyopathy, Dilated
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physiopathology,
surgery*,
therapy Cardiomyoplasty / methods* Electric Stimulation Therapy / methods* Female Follow-Up Studies Humans Italy Male Middle Aged Skeletal Muscle Ventricle* / physiology* Survival Rate |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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