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Programmer based interatrial conduction interval measurement simplifies AV delay programming in cardiac resynchronization therapy

  • AV delay (AVD) optimization is mandatory in cardiac resynchronization (CRT) for heart failure. Several time consuming methods exist. We initialized development of left-atrial electrogram (LAE) feature for Biotronik ICS3000 programmer. It can be utilized to approximate optimal AV delay in CRT patients with pacing systems irrespective of make and model. Using this feature, we studied the share ofAV delay (AVD) optimization is mandatory in cardiac resynchronization (CRT) for heart failure. Several time consuming methods exist. We initialized development of left-atrial electrogram (LAE) feature for Biotronik ICS3000 programmer. It can be utilized to approximate optimal AV delay in CRT patients with pacing systems irrespective of make and model. Using this feature, we studied the share of interatrial conduction intervals (IACT) on individual echo AVD in 45 CRT patients (34m, 11f, mean age 69±6yrs.). The percentage of IACT on optimal echo AVD resulted in44.5±22.1% for VDD and 70.7±10.9% for DDD operation. In all patients, optimal echo AVDs exceeded the individual IACT by a duration of 52.5±33.3ms (p<0.001), at mean. Therefore, if AV delay optimization is not possible or not practicable in CRT patients, AVD should be approximated by individually measuring IACT and adding about 50ms.show moreshow less

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Metadaten
Author:Frank Kleimenhagen, Bruno IsmerGND, Matthias HeinkeGND, Thomas Hoppert, Thomas Körber, Frank Weber, Ralf Peters, Christoph A. Nienaber
Publisher:Walter de Gruyter
Place of publication:Berlin, Boston
Date of Publication (online):2010/10/26
Language:English
Parent Title (Multiple languages):Biomedical Engineering / Biomedizinische Technik
Volume:55
Issue:S1
ISSN:0013-5585 (Print)
ISSN:1862-278X (Online)
First Page:11
Last Page:13
Document Type:Conference Proceeding
Institutes:Hochschule Offenburg / Bibliografie
Release Date:2014/12/05
Licence (German):License LogoEs gilt das UrhG
Note:
Proceedings BMT 2010, 44. DGBMT Jahrestagung, Freiburg, 3-Länder-Tagung D-A-CH, Rostock, 6.-9.10.2010
DOI:https://doi.org/10.1515/bmt.2010.709