Frequency analysis in different types of paroxysmal atrial fibrillation

Yenn Jiang Lin, Ching Tai Tai, Tsair Kao, Han Wen Tso, Satoshi Higa, Hsuan Ming Tsao, Shih Lin Chang, Ming Hsiung Hsieh, Shih Ann Chen

Research output: Contribution to journalArticle

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Abstract

OBJECTIVES: This study sought to investigate the regional frequency distribution from multiple bi-atrial sites in different types of paroxysmal atrial fibrillation (AF). BACKGROUND: A previous study showed a left atrium (LA) to right atrium (RA) frequency gradient in patients with paroxysmal AF. METHODS: Forty-four patients (age = 60 ± 16, male patients = 27) with paroxysmal AF originating from the pulmonary veins (PVs) (n = 31) or superior vena cava (SVC) (n = 13) were included. Frequency analysis was performed on the intracardiac electrograms (7 s, 1 kHz/channel) recorded from PV, posterior LA, coronary sinus (CS), posterolateral RA, and SVC. The largest peak frequency was identified as the dominant frequency (DF). RESULTS: In the PV-AF patients, there was a frequency gradient from the PV ostium to the LA, RA, and SVC (8.5 ± 3.3 Hz vs. 5.9 ± 1.1 Hz vs. 5.2 ± 0.85 Hz vs. 5.5 ± 0.48 Hz, respectively, p <0.001). The highest DFs were mostly located at the arrhythmogenic PV ostium (58%). The DFs of the arrhythmogenic PV and PV ostium were significantly higher than those of the non-arrhythmogenic PVs and PV ostia (p <0.05). In the SVC-AF patients, there was a frequency gradient from the SVC to the RA, LA, and PV (8.0 ± 2.4 Hz vs. 5.9 ± 1.1 Hz vs. 5.9 ± 0.7 Hz vs. 5.8 ± 0.7 Hz, respectively, p = 0.001). The highest DFs were mostly located inside the SVC (77%) instead of the SVC ostium (as compared with PV-AF patients, p = 0.035). CONCLUSIONS: The location of the highest DF depended on the arrhythmogenic PV or SVC. A frequency gradient was present between the arrhythmogenic thoracic vein and atrium in all patients.

Original languageEnglish
Pages (from-to)1401-1407
Number of pages7
JournalJournal of the American College of Cardiology
Volume47
Issue number7
DOIs
Publication statusPublished - Apr 7 2006
Externally publishedYes

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Pulmonary Veins
Atrial Fibrillation
Superior Vena Cava
Heart Atria
Cardiac Electrophysiologic Techniques
Coronary Sinus
Veins
Thorax

ASJC Scopus subject areas

  • Nursing(all)

Cite this

Lin, Y. J., Tai, C. T., Kao, T., Tso, H. W., Higa, S., Tsao, H. M., ... Chen, S. A. (2006). Frequency analysis in different types of paroxysmal atrial fibrillation. Journal of the American College of Cardiology, 47(7), 1401-1407. https://doi.org/10.1016/j.jacc.2005.10.071

Frequency analysis in different types of paroxysmal atrial fibrillation. / Lin, Yenn Jiang; Tai, Ching Tai; Kao, Tsair; Tso, Han Wen; Higa, Satoshi; Tsao, Hsuan Ming; Chang, Shih Lin; Hsieh, Ming Hsiung; Chen, Shih Ann.

In: Journal of the American College of Cardiology, Vol. 47, No. 7, 07.04.2006, p. 1401-1407.

Research output: Contribution to journalArticle

Lin, YJ, Tai, CT, Kao, T, Tso, HW, Higa, S, Tsao, HM, Chang, SL, Hsieh, MH & Chen, SA 2006, 'Frequency analysis in different types of paroxysmal atrial fibrillation', Journal of the American College of Cardiology, vol. 47, no. 7, pp. 1401-1407. https://doi.org/10.1016/j.jacc.2005.10.071
Lin, Yenn Jiang ; Tai, Ching Tai ; Kao, Tsair ; Tso, Han Wen ; Higa, Satoshi ; Tsao, Hsuan Ming ; Chang, Shih Lin ; Hsieh, Ming Hsiung ; Chen, Shih Ann. / Frequency analysis in different types of paroxysmal atrial fibrillation. In: Journal of the American College of Cardiology. 2006 ; Vol. 47, No. 7. pp. 1401-1407.
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abstract = "OBJECTIVES: This study sought to investigate the regional frequency distribution from multiple bi-atrial sites in different types of paroxysmal atrial fibrillation (AF). BACKGROUND: A previous study showed a left atrium (LA) to right atrium (RA) frequency gradient in patients with paroxysmal AF. METHODS: Forty-four patients (age = 60 ± 16, male patients = 27) with paroxysmal AF originating from the pulmonary veins (PVs) (n = 31) or superior vena cava (SVC) (n = 13) were included. Frequency analysis was performed on the intracardiac electrograms (7 s, 1 kHz/channel) recorded from PV, posterior LA, coronary sinus (CS), posterolateral RA, and SVC. The largest peak frequency was identified as the dominant frequency (DF). RESULTS: In the PV-AF patients, there was a frequency gradient from the PV ostium to the LA, RA, and SVC (8.5 ± 3.3 Hz vs. 5.9 ± 1.1 Hz vs. 5.2 ± 0.85 Hz vs. 5.5 ± 0.48 Hz, respectively, p <0.001). The highest DFs were mostly located at the arrhythmogenic PV ostium (58{\%}). The DFs of the arrhythmogenic PV and PV ostium were significantly higher than those of the non-arrhythmogenic PVs and PV ostia (p <0.05). In the SVC-AF patients, there was a frequency gradient from the SVC to the RA, LA, and PV (8.0 ± 2.4 Hz vs. 5.9 ± 1.1 Hz vs. 5.9 ± 0.7 Hz vs. 5.8 ± 0.7 Hz, respectively, p = 0.001). The highest DFs were mostly located inside the SVC (77{\%}) instead of the SVC ostium (as compared with PV-AF patients, p = 0.035). CONCLUSIONS: The location of the highest DF depended on the arrhythmogenic PV or SVC. A frequency gradient was present between the arrhythmogenic thoracic vein and atrium in all patients.",
author = "Lin, {Yenn Jiang} and Tai, {Ching Tai} and Tsair Kao and Tso, {Han Wen} and Satoshi Higa and Tsao, {Hsuan Ming} and Chang, {Shih Lin} and Hsieh, {Ming Hsiung} and Chen, {Shih Ann}",
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T1 - Frequency analysis in different types of paroxysmal atrial fibrillation

AU - Lin, Yenn Jiang

AU - Tai, Ching Tai

AU - Kao, Tsair

AU - Tso, Han Wen

AU - Higa, Satoshi

AU - Tsao, Hsuan Ming

AU - Chang, Shih Lin

AU - Hsieh, Ming Hsiung

AU - Chen, Shih Ann

PY - 2006/4/7

Y1 - 2006/4/7

N2 - OBJECTIVES: This study sought to investigate the regional frequency distribution from multiple bi-atrial sites in different types of paroxysmal atrial fibrillation (AF). BACKGROUND: A previous study showed a left atrium (LA) to right atrium (RA) frequency gradient in patients with paroxysmal AF. METHODS: Forty-four patients (age = 60 ± 16, male patients = 27) with paroxysmal AF originating from the pulmonary veins (PVs) (n = 31) or superior vena cava (SVC) (n = 13) were included. Frequency analysis was performed on the intracardiac electrograms (7 s, 1 kHz/channel) recorded from PV, posterior LA, coronary sinus (CS), posterolateral RA, and SVC. The largest peak frequency was identified as the dominant frequency (DF). RESULTS: In the PV-AF patients, there was a frequency gradient from the PV ostium to the LA, RA, and SVC (8.5 ± 3.3 Hz vs. 5.9 ± 1.1 Hz vs. 5.2 ± 0.85 Hz vs. 5.5 ± 0.48 Hz, respectively, p <0.001). The highest DFs were mostly located at the arrhythmogenic PV ostium (58%). The DFs of the arrhythmogenic PV and PV ostium were significantly higher than those of the non-arrhythmogenic PVs and PV ostia (p <0.05). In the SVC-AF patients, there was a frequency gradient from the SVC to the RA, LA, and PV (8.0 ± 2.4 Hz vs. 5.9 ± 1.1 Hz vs. 5.9 ± 0.7 Hz vs. 5.8 ± 0.7 Hz, respectively, p = 0.001). The highest DFs were mostly located inside the SVC (77%) instead of the SVC ostium (as compared with PV-AF patients, p = 0.035). CONCLUSIONS: The location of the highest DF depended on the arrhythmogenic PV or SVC. A frequency gradient was present between the arrhythmogenic thoracic vein and atrium in all patients.

AB - OBJECTIVES: This study sought to investigate the regional frequency distribution from multiple bi-atrial sites in different types of paroxysmal atrial fibrillation (AF). BACKGROUND: A previous study showed a left atrium (LA) to right atrium (RA) frequency gradient in patients with paroxysmal AF. METHODS: Forty-four patients (age = 60 ± 16, male patients = 27) with paroxysmal AF originating from the pulmonary veins (PVs) (n = 31) or superior vena cava (SVC) (n = 13) were included. Frequency analysis was performed on the intracardiac electrograms (7 s, 1 kHz/channel) recorded from PV, posterior LA, coronary sinus (CS), posterolateral RA, and SVC. The largest peak frequency was identified as the dominant frequency (DF). RESULTS: In the PV-AF patients, there was a frequency gradient from the PV ostium to the LA, RA, and SVC (8.5 ± 3.3 Hz vs. 5.9 ± 1.1 Hz vs. 5.2 ± 0.85 Hz vs. 5.5 ± 0.48 Hz, respectively, p <0.001). The highest DFs were mostly located at the arrhythmogenic PV ostium (58%). The DFs of the arrhythmogenic PV and PV ostium were significantly higher than those of the non-arrhythmogenic PVs and PV ostia (p <0.05). In the SVC-AF patients, there was a frequency gradient from the SVC to the RA, LA, and PV (8.0 ± 2.4 Hz vs. 5.9 ± 1.1 Hz vs. 5.9 ± 0.7 Hz vs. 5.8 ± 0.7 Hz, respectively, p = 0.001). The highest DFs were mostly located inside the SVC (77%) instead of the SVC ostium (as compared with PV-AF patients, p = 0.035). CONCLUSIONS: The location of the highest DF depended on the arrhythmogenic PV or SVC. A frequency gradient was present between the arrhythmogenic thoracic vein and atrium in all patients.

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