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Conduit Puncture for Electrophysiological Procedures in Patients with Fontan Circulation

 Jae-Sun Uhm  ;  Nam Kyun Kim  ;  Boyoung Joung  ;  Hui-Nam Pak  ;  Moon-Hyoung Lee 
 International Journal of Arrhythmia, Vol.16(4) : 193-199, 2015-12 
Journal Title
 International Journal of Arrhythmia 
Issue Date
Catheter Ablation ; Fontan Operation ; Conduit Puncture ; Transseptal Needle
Electrophysiological procedures are challenging in patients who have undergone lateral tunnel or extracardiac conduit Fontan operation because the caval veins are not connected to the cardiac atria and ventricles. This study describes our experience in managing a series of patients with Fontan circulation requiring catheter ablation for arrhythmias.
This study included eight consecutive patients with Fontan circulation who underwent catheter ablation or pacemaker implantation via Fontan conduit puncture [median age (interquartile range), 21.5 (16.0-25.8) years; 5 men]. Lateral tunnel and extracardiac conduit were equally distributed among the eight patients. A standard technique for conduit puncture and subsequent electrophysiologic procedure was used. The time taken for conduit puncture was compared for different types of conduits.
The median age of patients in this series was 21.5 years (interquartile range: 16.0-25.8 years). Fontan conduit puncture via right femoral vein under intracardiac echocardiographic guidance was successfully performed without complications in seven of the eight patients. Conduit puncture failed in one patient with extracardiac conduit made of the pericardium due to interruption of both femoral veins. In three patients with Fontan conduit made of pericardium, a Bronckenbrough transseptal needle or a radiofrequency transseptal needle with a snare was used. In four patients with Fontan conduit made of Gore-tex, a radiofrequency transseptal needle with a snare, and percutaneous transluminal angioplasty balloon were used. Fontan conduit puncture time was significantly longer in patients with conduit made of Gore-tex (median time, 91 min; interquartile range, 59.8-130.5 min) than in patients with conduit made of the pericardium (median time, 11.5 min; interquartile range, 10.0-18.3 min), respectively (p=0.020).
Conduit puncture is feasible and safe in patients with lateral tunnel and extracardiac Fontan circulation. Puncture of the Gore-tex conduit is more difficult and time consuming than puncture of the pericardium conduit.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Thoracic and Cardiovascular Surgery (흉부외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Nam Kyun(김남균) ORCID logo https://orcid.org/0000-0001-6923-230X
Pak, Hui Nam(박희남) ORCID logo https://orcid.org/0000-0002-3256-3620
Uhm, Jae Sun(엄재선) ORCID logo https://orcid.org/0000-0002-1611-8172
Lee, Moon-Hyoung(이문형) ORCID logo https://orcid.org/0000-0002-7268-0741
Joung, Bo Young(정보영) ORCID logo https://orcid.org/0000-0001-9036-7225
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