Decreased noise and identification of very low voltage signals using a novel electrophysiology recording system

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00023001%3A_____%2F23%3A00084429" target="_blank" >RIV/00023001:_____/23:00084429 - isvavai.cz</a>

Výsledek na webu

<a href="http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10658352/pdf/ecr-18-e59.pdf" target="_blank" >http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10658352/pdf/ecr-18-e59.pdf</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.15420/ecr.2022.37" target="_blank" >10.15420/ecr.2022.37</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Decreased noise and identification of very low voltage signals using a novel electrophysiology recording system

Popis výsledku v původním jazyce

Aims: The interpretation of intracardiac electrograms recorded from conventional electrophysiology recording systems is frequently impacted by powerline (50/60 Hz) noise and distortion due to notch filtering. This study compares unipolar electrograms recorded simultaneously from a conventional electrophysiology recording system and one of two 3D mapping systems (control system) with those from a novel system (ECGenius, CathVision ApS) designed to reduce noise without the need for conventional filtering. Methods: Unipolar electrograms were recorded simultaneously from nine consecutive patients undergoing catheter ablation for AF (five patients), atrioventricular nodal re-entrant tachycardia (three patients), or ventricular tachycardia (one patient) over the course of 1 week in 2020. Results: The noise spectral power of the novel system (49-51 Hz) was 6.1 +/- 6.2 times lower than that of the control system. Saturation artefact following pacing (duration 97 +/- 85 ms) occurred in eight control recordings and no novel system recordings (p&lt;0.001). High frequency, low amplitude signals and fractionated electrograms apparent on unfiltered novel system unipolar recordings were not present on control recordings. Control system notch filtering obscured His bundle electrograms observable without such filtering using the novel system and induced electrogram distortion that was not present on novel system recordings. Signal saturation occurred in five of seven control system recordings but none of the novel system recordings. Conclusion: In this study, novel system recordings exhibited less noise and fewer signal artefacts than the conventional control system and did not require notch filtering that distorted electrograms on control recordings. The novel recording system provided superior electrogram data not apparent with conventional systems.

Název v anglickém jazyce

Decreased noise and identification of very low voltage signals using a novel electrophysiology recording system

Popis výsledku anglicky

Aims: The interpretation of intracardiac electrograms recorded from conventional electrophysiology recording systems is frequently impacted by powerline (50/60 Hz) noise and distortion due to notch filtering. This study compares unipolar electrograms recorded simultaneously from a conventional electrophysiology recording system and one of two 3D mapping systems (control system) with those from a novel system (ECGenius, CathVision ApS) designed to reduce noise without the need for conventional filtering. Methods: Unipolar electrograms were recorded simultaneously from nine consecutive patients undergoing catheter ablation for AF (five patients), atrioventricular nodal re-entrant tachycardia (three patients), or ventricular tachycardia (one patient) over the course of 1 week in 2020. Results: The noise spectral power of the novel system (49-51 Hz) was 6.1 +/- 6.2 times lower than that of the control system. Saturation artefact following pacing (duration 97 +/- 85 ms) occurred in eight control recordings and no novel system recordings (p&lt;0.001). High frequency, low amplitude signals and fractionated electrograms apparent on unfiltered novel system unipolar recordings were not present on control recordings. Control system notch filtering obscured His bundle electrograms observable without such filtering using the novel system and induced electrogram distortion that was not present on novel system recordings. Signal saturation occurred in five of seven control system recordings but none of the novel system recordings. Conclusion: In this study, novel system recordings exhibited less noise and fewer signal artefacts than the conventional control system and did not require notch filtering that distorted electrograms on control recordings. The novel recording system provided superior electrogram data not apparent with conventional systems.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

30201 - Cardiac and Cardiovascular systems

Projekt

—

Návaznosti

N - Vyzkumna aktivita podporovana z neverejnych zdroju

Rok uplatnění

2023

Kód důvěrnosti údajů

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

Název periodika

European Cardiology Review

ISSN

1758-3756

e-ISSN

1758-3756

Svazek periodika

18

Číslo periodika v rámci svazku

October 31

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

5

Strana od-do

"art. no. e59"

Kód UT WoS článku

001104282900001

EID výsledku v databázi Scopus

2-s2.0-85176612264