Body Surface Electrical Activation Delay Computation From High-Frequency ECGs

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00159816%3A_____%2F18%3A00072529" target="_blank" >RIV/00159816:_____/18:00072529 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.22489/CinC.2018.105" target="_blank" >http://dx.doi.org/10.22489/CinC.2018.105</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.22489/CinC.2018.105" target="_blank" >10.22489/CinC.2018.105</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Body Surface Electrical Activation Delay Computation From High-Frequency ECGs

Popis výsledku v původním jazyce

The ventricular electrical activation delay is a valuable piece of information in cardiac resynchronization therapy and arrhythmias. The purpose of this study is to introduce electrical activation delay obtained from high frequency body surface maps (HFBSM). We studied seven patients - three normal (N), three left bundle branch block (LBBB) and one right bundle branch block (RBBB). The amplitude envelopes of the QRS complex in each lead were computed in a frequency band of 100-400 Hz and were averaged (HFQRS). Activation times were defined as the delay from the beginning of the QRS complex to the center of mass of HFQRS, and activation (isochrone) maps were produced. Three different methods of electrical dyssynchrony computation were chosen: maximal activation time difference from the whole surface (HFTAT), delay between lead V1 and V6 (VED) on the 12-lead ECG, and standard deviation of activation times from all electrodes (SDAT). For N/LBBB/RBBB patients, the mean values were: SDAT 3.2/18.3/20.6 ms, VED 3/54/-65 ms, HFTAT 18/71/83 ms and QRSd 83/141/160 ms. An HFBSM allows easy calculation of HFTAT and SDAT directly from the torso surface. VED provides directional distinction between LBBB and RBBB.

Název v anglickém jazyce

Body Surface Electrical Activation Delay Computation From High-Frequency ECGs

Popis výsledku anglicky

The ventricular electrical activation delay is a valuable piece of information in cardiac resynchronization therapy and arrhythmias. The purpose of this study is to introduce electrical activation delay obtained from high frequency body surface maps (HFBSM). We studied seven patients - three normal (N), three left bundle branch block (LBBB) and one right bundle branch block (RBBB). The amplitude envelopes of the QRS complex in each lead were computed in a frequency band of 100-400 Hz and were averaged (HFQRS). Activation times were defined as the delay from the beginning of the QRS complex to the center of mass of HFQRS, and activation (isochrone) maps were produced. Three different methods of electrical dyssynchrony computation were chosen: maximal activation time difference from the whole surface (HFTAT), delay between lead V1 and V6 (VED) on the 12-lead ECG, and standard deviation of activation times from all electrodes (SDAT). For N/LBBB/RBBB patients, the mean values were: SDAT 3.2/18.3/20.6 ms, VED 3/54/-65 ms, HFTAT 18/71/83 ms and QRSd 83/141/160 ms. An HFBSM allows easy calculation of HFTAT and SDAT directly from the torso surface. VED provides directional distinction between LBBB and RBBB.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

10201 - Computer sciences, information science, bioinformathics (hardware development to be 2.2, social aspect to be 5.8)

Projekt

<a href="/cs/project/GA17-13830S" target="_blank" >GA17-13830S: Analytické metody pro pokročilou identifikaci komorové dyssynchronie</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2018

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

2018 COMPUTING IN CARDIOLOGY CONFERENCE (CINC)

ISBN

978-1-72810-958-9

ISSN

2325-8861

e-ISSN

—

Počet stran výsledku

4

Strana od-do

4

Název nakladatele

IEEE

Místo vydání

NEW YORK

Místo konání akce

Maastricht

Datum konání akce

23. 9. 2018

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

000482598700195