| Disappearance of left ventricular hypertrabeculation/noncompaction after biventricular pacing in a patient with polyneuropathy. | |
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MedLine Citation:
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PMID: 17448419 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Disappearance of left ventricular hypertrabeculation/noncompaction (LVHT) has been reported only in myocarditis. We report disappearance of LVHT after implantation of a biventricular pacemaker in a 68-year-old female. She suffered from symmetrical polyneuropathy and heart failure New York Heart Association Class IV due to dilated cardiomyopathy despite angiotensin-converting enzyme inhibitors, beta-blockers, digitalis, and diuretics. Echocardiographically, she showed an enlarged poorly contracting left ventricle with LVHT involving the lateral and apical wall. METHODS AND RESULTS: In January 2001, a biventricular pacemaker system was implanted. From that time, her condition and left ventricular systolic function improved and the left ventricular size decreased. Surprisingly, LVHT could no longer be detected echocardiographically. CONCLUSIONS: We explain LVHT disappearance as follows: (1) the trabeculations are still existing, but not visible any more because of the better contraction state of the left ventricle; (2) the trabeculations have regressed because they are not needed anymore; and (3) the trabeculations have been falsely diagnosed and were in fact ventricular thrombi, which is quite unlikely because no embolic events occurred. LVHT can disappear if dilatation of the cardiac cavities and severely reduced systolic function regress. The dynamics of LVHT may represent an adaption mechanism of the cardiac function to compensate for a temporary failing myocardium. |
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Authors:
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Claudia Stöllberger; Hans Keller; Josef Finsterer |
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Publication Detail:
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Type: Case Reports; Journal Article |
Journal Detail:
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Title: Journal of cardiac failure Volume: 13 ISSN: 1532-8414 ISO Abbreviation: J. Card. Fail. Publication Date: 2007 Apr |
Date Detail:
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Created Date: 2007-04-23 Completed Date: 2007-06-12 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 9442138 Medline TA: J Card Fail Country: United States |
Other Details:
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Languages: eng Pagination: 211-4 Citation Subset: IM |
Affiliation:
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Medical Department, Krankenanstalt Rudolfstiftung, Vienna, Austria. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Bundle-Branch Block / complications, diagnosis, therapy Cardiac Pacing, Artificial / methods* Cardiotonic Agents / therapeutic use Female Follow-Up Studies Heart Failure / complications, diagnosis, therapy Humans Hypertrophy, Left Ventricular / complications*, therapy*, ultrasonography Pacemaker, Artificial Polyneuropathies / complications* Treatment Outcome |
| Chemical | |
Reg. No./Substance:
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0/Cardiotonic Agents |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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