Poincare Surface Profiles of RR Intervals: A Novel Noninvasive Method for the Evaluation of Preferential AV Nodal Conduction During Atrial Fibrillation

被引：22

作者：

Climent, Andreu M. ^{[1
]}

Guillem, Maria de la Salud ^{[1
]}

Husser, Daniela ^{[2
]}

Castells, Francisco ^{[1
]}

Millet, Jose ^{[1
]}

Bollmann, Andreas ^{[2
]}

机构：

[1] Univ Politecn Valencia, Inst Applicat Adv Informat & Commun Technol ITACA, Bioengn Grp, Valencia 46022, Spain

[2] Univ Leipzig, Dept Electrophysiol, Ctr Heart, DE-04289 Leipzig, Germany

来源：

IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING | 2009年 / 56卷 / 02期

关键词：

Atrial fibrillation (AF); atrioventricular (AV) node; Lorenz plot; Poincare plot (PP); RR interval; ventricular response (VR); VENTRICULAR RESPONSE; ATRIOVENTRICULAR-CONDUCTION; SLOW PATHWAY; ABLATION; PHYSIOLOGY;

D O I：

10.1109/TBME.2008.2003273

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

The ventricular response during atrial fibrillation (AF) presents particular characteristics that may play a relevant role in the selection of the most appropriate treatment. Using different ECG signal processing techniques such as RR histogram analysis or histographic Poincare plots (PPs) (so-called 3-D PPs), clusters of RR intervals due to preferential atrioventricular (AV) node conduction can be observed. However, these methods are limited by the need for visual inspection and subjective interpretation of analysis results. The objective of this paper is to develop a method to automatically detect and quantify preferential clusters of RR intervals. This novel method, the Poincare surface profile (PSP), uses the information of histographic PPs to filter part of the AV node memory effects. PSP detected all RR populations present in RR interval histograms in 55 patients with persistent AF and also 67% additional RR populations. In addition, a reduction of beat-to-beat dependencies allowed a more accurate location of RR populations. This novel Poincare-plot-based analysis also allows monitoring of short-term variations of preferential conductions. We illustrate the capability of this short-time monitoring technique to evaluate the effects of rate control drugs on each preferential conduction.

引用

页码：433 / 442

页数：10

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