Document Detail


Is 7-day event triggered ECG recording equivalent to 7-day Holter ECG recording for atrial fibrillation screening?
MedLine Citation:
PMID:  22397942     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: Prolonged ECG monitoring is standard for atrial fibrillation (AF) screening. This study investigated whether 7-day event triggered (tECG) ECG recording is equivalent to 7-day continuous Holter (cECG) ECG recording for AF screening. DESIGN: Both a cECG (Lifecard CF) and a tECG (R.Test Evolution 3) were simultaneously worn for 7 days by patients with known or suspected paroxysmal AF. RESULTS: In 100 corresponding recordings, median effective duration of monitoring was 165 h (range 10-170 h) for cECG and 137 h (0-169 h) for tECG (p<0.001). Median number and total duration of arrhythmias (AF, atrial flutter or atrial tachycardia) of ≥30 s duration recorded by cECG were 10 (1-428) and 1030 min (≤1-10 020), respectively. An arrhythmia was recorded in 42 cECGs (42%) versus 37 tECGs (37%, p=0.56). Triggered ECG failed to record an arrhythmia in cECG positive cases because of interrupted monitoring in four cases and because of recording failure in one case. Sensitivity, specificity, and positive and negative predictive values of tECG therefore were 88%, 100%, 100%, and 92%, respectively. Quantitative cECG analysis required a median of 20 min (3-205 min) and qualitative tECG analysis 4 min (1-20 min; p<0.001). Skin irritation was a frequent side effect (42%) resulting in premature removal of devices in 16% of patients. CONCLUSION: Sensitivity of tECG for AF screening as compared to cECG is lower, mainly because of shorter effective monitoring duration. Qualitative tECG analysis is less time consuming than quantitative cECG analysis. Skin irritation is a frequent side effect and reason for premature device removal.
Authors:
Laurent Roten; Manuel Schilling; Andreas Häberlin; Jens Seiler; Nicola G Schwick; Jürg Fuhrer; Etienne Delacrétaz; Hildegard Tanner
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-3-7
Journal Detail:
Title:  Heart (British Cardiac Society)     Volume:  -     ISSN:  1468-201X     ISO Abbreviation:  -     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-3-8     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9602087     Medline TA:  Heart     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Inselspital, Bern University Hospital and University of Bern, Switzerland.
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