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Detection of atrial fibrillation with implantable loop recorders in horses

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Harvard

Buhl, R, Hesselkilde, EM, Carstensen, H, Fenner, MF, Jespersen, T, Tfelt-Hansen, J & Michael Sattler, S 2021, 'Detection of atrial fibrillation with implantable loop recorders in horses', Equine Veterinary Journal, vol. 53, no. 2, pp. 397-403. https://doi.org/10.1111/evj.13301

APA

Buhl, R., Hesselkilde, E. M., Carstensen, H., Fenner, M. F., Jespersen, T., Tfelt-Hansen, J., & Michael Sattler, S. (2021). Detection of atrial fibrillation with implantable loop recorders in horses. Equine Veterinary Journal, 53(2), 397-403. https://doi.org/10.1111/evj.13301

CBE

Buhl R, Hesselkilde EM, Carstensen H, Fenner MF, Jespersen T, Tfelt-Hansen J, Michael Sattler S. 2021. Detection of atrial fibrillation with implantable loop recorders in horses. Equine Veterinary Journal. 53(2):397-403. https://doi.org/10.1111/evj.13301

MLA

Vancouver

Author

Buhl, Rikke ; Hesselkilde, Eva M ; Carstensen, Helena ; Fenner, Merle F ; Jespersen, Thomas ; Tfelt-Hansen, Jacob ; Michael Sattler, Stefan. / Detection of atrial fibrillation with implantable loop recorders in horses. In: Equine Veterinary Journal. 2021 ; Vol. 53, No. 2. pp. 397-403.

Bibtex

@article{78a46022ff4842289ecc76fb638ad0c7,
title = "Detection of atrial fibrillation with implantable loop recorders in horses",
abstract = "BACKGROUND: Cardiac arrhythmias in horses are diagnosed by auscultation or electrocardiogram (ECG), which results in a low sensitivity for detecting arrhythmias that occur sporadically. Implantable loop recorders (ILRs) are small ECG devices placed subcutaneously, to automatically detect arrhythmias in human patients.OBJECTIVES: To test ILRs ability to detect atrial fibrillation (AF) in horses. Furthermore, we hypothesised that anatomical location of the implant site might influence signal quality. Signal quality was evaluated both during exercise and over time.STUDY DESIGN: Experimental study.METHODS: In five Standardbred mares, eleven ILRs were implanted subcutaneously in up to three different positions (Front: pectoral region, Left-6: sixth left intercostal space and Ventral: xiphoid region) and AF induced. The R- and T-wave amplitudes were measured in all positions over time during AF. AF burden automatically registered by the ILRs over a 2-month period was compared with selected Holter ECG recordings.RESULTS: All three positions had stable R- and T-wave amplitudes during the study period and were of sufficient quality to allow AF detection at rest. The position Left-6 showed significantly higher R- and T-wave amplitudes compared with the other positions. During submaximal exercise only the Left-6 position was able to record ECG signals of diagnostic quality. No position yielded diagnostic signals at maximum exercise due to artefacts.MAIN LIMITATIONS: Few horses and ILRs included and no spontaneous AF episodes were studied.CONCLUSIONS: This preliminary study indicates that ILRs can be used for AF detection in horses, but the anatomical location is important for optimal ECG quality. Despite insufficient quality during exercise, ILRs were suitable for AF detection at rest. Therefore, the ILR may be a valuable diagnostic tool for detecting paroxysmal AF in horses.",
keywords = "Animals, Atrial Fibrillation/diagnosis, Electrocardiography, Ambulatory/veterinary, Electrocardiography/veterinary, Female, Horse Diseases/diagnosis, Horses, Humans, Prostheses and Implants/veterinary, cardiac arrhythmia, cardiology, horse, atrial fibrillation, implantable loop recorder",
author = "Rikke Buhl and Hesselkilde, {Eva M} and Helena Carstensen and Fenner, {Merle F} and Thomas Jespersen and Jacob Tfelt-Hansen and {Michael Sattler}, Stefan",
note = "{\textcopyright} 2020 The Authors. Equine Veterinary Journal published by John Wiley & Sons Ltd on behalf of EVJ Ltd.",
year = "2021",
month = mar,
doi = "10.1111/evj.13301",
language = "English",
volume = "53",
pages = "397--403",
journal = "Equine veterinary journal. Supplement",
issn = "2042-3306",
publisher = "Equine Veterinary Journal Ltd",
number = "2",

}

RIS

TY - JOUR

T1 - Detection of atrial fibrillation with implantable loop recorders in horses

AU - Buhl, Rikke

AU - Hesselkilde, Eva M

AU - Carstensen, Helena

AU - Fenner, Merle F

AU - Jespersen, Thomas

AU - Tfelt-Hansen, Jacob

AU - Michael Sattler, Stefan

N1 - © 2020 The Authors. Equine Veterinary Journal published by John Wiley & Sons Ltd on behalf of EVJ Ltd.

PY - 2021/3

Y1 - 2021/3

N2 - BACKGROUND: Cardiac arrhythmias in horses are diagnosed by auscultation or electrocardiogram (ECG), which results in a low sensitivity for detecting arrhythmias that occur sporadically. Implantable loop recorders (ILRs) are small ECG devices placed subcutaneously, to automatically detect arrhythmias in human patients.OBJECTIVES: To test ILRs ability to detect atrial fibrillation (AF) in horses. Furthermore, we hypothesised that anatomical location of the implant site might influence signal quality. Signal quality was evaluated both during exercise and over time.STUDY DESIGN: Experimental study.METHODS: In five Standardbred mares, eleven ILRs were implanted subcutaneously in up to three different positions (Front: pectoral region, Left-6: sixth left intercostal space and Ventral: xiphoid region) and AF induced. The R- and T-wave amplitudes were measured in all positions over time during AF. AF burden automatically registered by the ILRs over a 2-month period was compared with selected Holter ECG recordings.RESULTS: All three positions had stable R- and T-wave amplitudes during the study period and were of sufficient quality to allow AF detection at rest. The position Left-6 showed significantly higher R- and T-wave amplitudes compared with the other positions. During submaximal exercise only the Left-6 position was able to record ECG signals of diagnostic quality. No position yielded diagnostic signals at maximum exercise due to artefacts.MAIN LIMITATIONS: Few horses and ILRs included and no spontaneous AF episodes were studied.CONCLUSIONS: This preliminary study indicates that ILRs can be used for AF detection in horses, but the anatomical location is important for optimal ECG quality. Despite insufficient quality during exercise, ILRs were suitable for AF detection at rest. Therefore, the ILR may be a valuable diagnostic tool for detecting paroxysmal AF in horses.

AB - BACKGROUND: Cardiac arrhythmias in horses are diagnosed by auscultation or electrocardiogram (ECG), which results in a low sensitivity for detecting arrhythmias that occur sporadically. Implantable loop recorders (ILRs) are small ECG devices placed subcutaneously, to automatically detect arrhythmias in human patients.OBJECTIVES: To test ILRs ability to detect atrial fibrillation (AF) in horses. Furthermore, we hypothesised that anatomical location of the implant site might influence signal quality. Signal quality was evaluated both during exercise and over time.STUDY DESIGN: Experimental study.METHODS: In five Standardbred mares, eleven ILRs were implanted subcutaneously in up to three different positions (Front: pectoral region, Left-6: sixth left intercostal space and Ventral: xiphoid region) and AF induced. The R- and T-wave amplitudes were measured in all positions over time during AF. AF burden automatically registered by the ILRs over a 2-month period was compared with selected Holter ECG recordings.RESULTS: All three positions had stable R- and T-wave amplitudes during the study period and were of sufficient quality to allow AF detection at rest. The position Left-6 showed significantly higher R- and T-wave amplitudes compared with the other positions. During submaximal exercise only the Left-6 position was able to record ECG signals of diagnostic quality. No position yielded diagnostic signals at maximum exercise due to artefacts.MAIN LIMITATIONS: Few horses and ILRs included and no spontaneous AF episodes were studied.CONCLUSIONS: This preliminary study indicates that ILRs can be used for AF detection in horses, but the anatomical location is important for optimal ECG quality. Despite insufficient quality during exercise, ILRs were suitable for AF detection at rest. Therefore, the ILR may be a valuable diagnostic tool for detecting paroxysmal AF in horses.

KW - Animals

KW - Atrial Fibrillation/diagnosis

KW - Electrocardiography, Ambulatory/veterinary

KW - Electrocardiography/veterinary

KW - Female

KW - Horse Diseases/diagnosis

KW - Horses

KW - Humans

KW - Prostheses and Implants/veterinary

KW - cardiac arrhythmia

KW - cardiology

KW - horse

KW - atrial fibrillation

KW - implantable loop recorder

UR - http://www.scopus.com/inward/record.url?scp=85087204668&partnerID=8YFLogxK

U2 - 10.1111/evj.13301

DO - 10.1111/evj.13301

M3 - Journal article

C2 - 32506470

VL - 53

SP - 397

EP - 403

JO - Equine veterinary journal. Supplement

JF - Equine veterinary journal. Supplement

SN - 2042-3306

IS - 2

ER -

ID: 62373475