Outcome of high-power short-duration radiofrequency ablation in combination with half-normal saline irrigation for the treatment of atrial fibrillation.
half-normal saline
high power
radiofrequency ablation
short duration
Journal
Pacing and clinical electrophysiology : PACE
ISSN: 1540-8159
Titre abrégé: Pacing Clin Electrophysiol
Pays: United States
ID NLM: 7803944
Informations de publication
Date de publication:
Jan 2022
Jan 2022
Historique:
revised:
08
10
2021
received:
05
05
2021
accepted:
07
11
2021
pubmed:
13
11
2021
medline:
23
2
2022
entrez:
12
11
2021
Statut:
ppublish
Résumé
Data regarding the use of high-power short-duration (HPSD) radiofrequency (RF) in combination with half-normal saline irrigation for catheter irrigation are limited. This study investigated the safety and efficacy of using HPSD RF ablation in combination with half-normal saline irrigation for the treatment of AF. One hundred consecutive patients with AF underwent RF ablation using HPSD combined with half-normal saline for catheter irrigation. In addition, the following ablation strategies were used: 1 mm tags for the display of ablation lesions on the mapping system, high-frequency jet ventilation (HFJV), low contact force, pacing after ablation to verify areas of noncapture, atrial/ventricular pacing at 500 to 700 ms to aid in catheter stability, use of two skin electrodes to reduce impedance, and postablation adenosine infusion. Power was started at 40 to 45 W and was modulated manually based on impedance changes. The average age of patients was 65.2 years and 70% were male. Forty seven percent had paroxysmal AF and the average CHA Catheter ablation using HPSD RF lesions in combination with half-normal saline irrigation and is safe and effective, and results in high rate of freedom from AF.
Sections du résumé
BACKGROUND
BACKGROUND
Data regarding the use of high-power short-duration (HPSD) radiofrequency (RF) in combination with half-normal saline irrigation for catheter irrigation are limited.
OBJECTIVES
OBJECTIVE
This study investigated the safety and efficacy of using HPSD RF ablation in combination with half-normal saline irrigation for the treatment of AF.
METHODS
METHODS
One hundred consecutive patients with AF underwent RF ablation using HPSD combined with half-normal saline for catheter irrigation. In addition, the following ablation strategies were used: 1 mm tags for the display of ablation lesions on the mapping system, high-frequency jet ventilation (HFJV), low contact force, pacing after ablation to verify areas of noncapture, atrial/ventricular pacing at 500 to 700 ms to aid in catheter stability, use of two skin electrodes to reduce impedance, and postablation adenosine infusion. Power was started at 40 to 45 W and was modulated manually based on impedance changes.
RESULTS
RESULTS
The average age of patients was 65.2 years and 70% were male. Forty seven percent had paroxysmal AF and the average CHA
CONCLUSIONS
CONCLUSIONS
Catheter ablation using HPSD RF lesions in combination with half-normal saline irrigation and is safe and effective, and results in high rate of freedom from AF.
Substances chimiques
Saline Solution
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
43-49Informations de copyright
© 2021 Wiley Periodicals LLC.
Références
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