eISSN: 1897-4295
ISSN: 1734-9338
Advances in Interventional Cardiology/Postępy w Kardiologii Interwencyjnej
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3/2017
vol. 13
 
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Pulmonary vein isolation in a patient with atrial fibrillation and a filter in the inferior vena cava

Dariusz Rodkiewicz
,
Marek Kiliszek
,
Edward Koźluk
,
Agnieszka Piątkowska
,
Grzegorz Opolski

Adv Interv Cardiol 2017; 13, 3 (49): 279–280
Online publish date: 2017/09/25
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A 60-year-old man with a 1-year history of highly symptomatic drug-resistant paroxysmal atrial fibrillation (AF) was admitted for pulmonary vein isolation (PVI). In 1984 the patient had hemorrhagic stroke of the left hemisphere with right-sided hemiparesis that was complicated with pulmonary embolism. Therefore the patient was treated with surgical implantation of a prototype filter to the vena cava inferior (VCI). His medical history included hypertension, diabetes mellitus, transient ischemic attack and epilepsy.
Using the transfemoral approach under fluoroscopic guidance, the diagnostic catheter was placed in the coronary sinus. Crossing the filter with the long guidewire of the transseptal sheath (8.5 Fr SL0, St Jude Medical, Minnetonka, MN, USA) turned out to be impossible. To overcome this problem we advanced the transseptal sheath over the guidewire next to the filter and only then managed to pass the guidewire (and then the sheath) by the filter (Figure 1). Double transseptal puncture was performed successfully. Using the CARTO system, Lasso diagnostic catheter (Biosense Webster, Diamond Bar, Ca, USA) and Navistar ThermoCool Smarttouch ablation catheter (Biosense Webster, Diamond Bar, Ca, USA), successful PVI was performed. The overall procedure time was 215 min. Total fluoroscopy exposure was 31 min and 53 s (6141.9 cGy • cm²). During 12 months of follow-up there was no AF (24-hour ECG monitoring at 3, 6, 9, and 12 months after ablation).
The VCI filters are inserted for prevention of pulmonary embolus from lower extremity deep vein thrombosis [1]. Presence of a VCI filter has traditionally been considered a relative contraindication for catheterization from the femoral vein [2]. To our knowledge, this is the first case of successful PVI in a patient with AF and presence of an unknown type of filter in the VCI. The decision to perform the catheter procedure largely depends on the filter type in the VCI. Over the past decade, there has been a gradual evolution of VCI filters [3]. Limited data are available on complicating the standard procedure catheterization across the filter in the VCI [4]. During crossing the filter we used continuous fluoroscopy to reduce the risk of adverse events. It was necessary to bring the sheath close to the filter. The solution was to use a straight guidewire for passage of the filter. All maneuvers were performed without filter dislodgment. The PVI is possible but much more complicated in patients with a...


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