NDLI: Wavelet variance differences in atrial fibrillation during anaesthetic effect

Content Provider	IEEE Xplore Digital Library
Author	Cervigon, R. Castells, F. Moreno, J. Mateo, J. Sanchez, C. Millet, J.
Copyright Year	2008
Description	Author affiliation: Group of Bioeng. Innovation (GIBI), Univ. of Castilla-La Mancha, Cuenca (Cervigon, R.; Mateo, J.; Sanchez, C.) \|\| Bioeng. Electron. Telemedicine (BET), Tech. Univ. of Valencia, Valencia (Castells, F.; Millet, J.) \|\| Unidad de Arritmias, Hosp. Clinico San Carlos, Madrid (Moreno, J.)
Abstract	Effect of anaesthetic agents in restoration rhythm procedures during atrial fibrillation (AF) has not been fully investigated. We evaluated the effects of a widely used anaesthetic agent (propofol) in the fibrillation patterns. Intra-atrial recordings belong to 18 patients diagnosed with AF were analyzed ldquobeforerdquo (baseline) and ldquoduringrdquo anaesthetic infusion. The goal of this study is to characterize the variation in atrial properties along the atria in both states. The wavelet variance decomposes the variance of a time series on a scale by scale basis and hence has considerable appeal when physical phenomena are analyzed in terms of variations operating over a range of different scales. Moreover, the variance estimates are more accurately determined with a maximal-overlap version of the wavelet transform (MODWT). As mother wavelet was used the Haar wavelet where the signal was partitioned over seven scales. Wavelet analysis highlights a significant lower changes during the anaesthetic infusion respect to the basal conditions in the right atrium, with an opposite effect and non significant values in the left atrium. The proposed methodology provides an additional approach to the understanding of the role of the anaesthetic, showing a decrease in the variance inter-scales during the anaesthetic infusion in the right atrium, with the opposite effect in the left atrium.
Starting Page	621
Ending Page	624
File Size	210575
Page Count	4
File Format	PDF
ISBN	9781424437061
ISSN	02766547
DOI	10.1109/CIC.2008.4749118
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-09-14
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Computers in Cardiology(CinC)
Subject Keyword	Atrial fibrillation Light emitting diodes Biomedical engineering Rhythm Veins Nervous system Technological innovation Telemedicine Hospitals Drugs
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Effects of anaesthesia on atrial fibrillation organization during catheter ablation procedures

Epicardial atrial activation assessment from the surface ECG in atrial fibrillation

Management of atrial tachyarrhythmias

A Quantitative Model for the Ventricular Response During Atrial Fibrillation

Analysis of electrocardiograms during atrial fibrillation

Non-linear analysis of atrial signals for assessing the effects of adrenergic activation in sinus rhythm and atrial fibrillation

Atrial activity enhancement by blind sparse sequential separation

Variability of ventricular periods during paroxysmal atrial fibrillation: digoxin vs. placebo

Wavelet sample entropy: A new approach to predict termination of atrial fibrillation

Wavelet variance differences in atrial fibrillation during anaesthetic effect

Similar Documents

Effects of anaesthesia on atrial fibrillation organization during catheter ablation procedures

Epicardial atrial activation assessment from the surface ECG in atrial fibrillation

Management of atrial tachyarrhythmias

A Quantitative Model for the Ventricular Response During Atrial Fibrillation

Analysis of electrocardiograms during atrial fibrillation

Non-linear analysis of atrial signals for assessing the effects of adrenergic activation in sinus rhythm and atrial fibrillation

Atrial activity enhancement by blind sparse sequential separation

Variability of ventricular periods during paroxysmal atrial fibrillation: digoxin vs. placebo

Wavelet sample entropy: A new approach to predict termination of atrial fibrillation

Wavelet variance differences in atrial fibrillation during anaesthetic effect