| Use of the elective replacement indicator in predicting time of automatic implantable cardioverter-defibrillator battery depletion. | |
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MedLine Citation:
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PMID: 2478970 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The elective replacement indicator (ERI) of an automatic implantable cardioverter-defibrillator (AICD) is intended to be utilized as strict criteria for the appropriate timing of pulse generator replacement. The manufacturer's newest recommendations suggest replacement within 3 months post-ERI attainment and this applies to both AID-B units and the latest Ventak models currently being implanted with expectations or increased battery longevity. Twelve patients with the AID-B model were prospectively evaluated in regard to (a) time from attainment of ERI to generator exchange and (b) total battery life with respect to the presence or absence of spontaneous discharges. In the overall group, the ERI was reached at 18.9 +/- 3.9 months (mean +/- standard deviation). The time from ERI attainment to generator exchange due to battery depletion was 8.1 +/- 5.1 months, and total battery life was 27.3 +/- 3.1 months. In the group with spontaneous discharges, the duration of time (months) post-ERI to generator exchange was 5.7 +/- 2.6 but was 11.4 +/- 6.1 in the others (P = 0.052); battery life was 25.7 +/- 2.4 and 29.4 +/- 2.7, respectively (P = 0.03). We conclude that the current ERI recommendation seems overly conservative in planning generator exchange for patients without the occurrence of spontaneous discharges and appropriate for patients with such discharges. |
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Authors:
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D Aaarons; M Mower; E Veltri |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Pacing and clinical electrophysiology : PACE Volume: 12 ISSN: 0147-8389 ISO Abbreviation: Pacing Clin Electrophysiol Publication Date: 1989 Nov |
Date Detail:
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Created Date: 1989-12-18 Completed Date: 1989-12-18 Revised Date: 2005-11-17 |
Medline Journal Info:
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Nlm Unique ID: 7803944 Medline TA: Pacing Clin Electrophysiol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 1724-8 Citation Subset: IM |
Affiliation:
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Department of Medicine, Sinai Hospital of Baltimore, Maryland 21215. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Electric Countershock
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instrumentation* Electric Power Supplies* Electrodes, Implanted Female Follow-Up Studies Humans Male Middle Aged Prospective Studies Tachycardia / therapy* Time Factors Ventricular Fibrillation / therapy* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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