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Case Reports
. 2020 Oct 15;10(4):405-408.
eCollection 2020.

Electrophysiologic study and catheter ablation of a supraventricular tachycardia in a patient with inferior vena cava congenital anomaly

Stylianos Dragasis  1 , Panagiotis Mililis  1 , Athanasia Megarisiotou  1 , George Bazoukis  1 , Athanasios Saplaouras  1 , Athena Mpatsouli  1 , Fotios Toulgaridis  1 , Efstathia Prappa  1 , Konstantinos P Letsas  1 , Michael Efremidis  1
Affiliations
Case Reports

Electrophysiologic study and catheter ablation of a supraventricular tachycardia in a patient with inferior vena cava congenital anomaly

Stylianos Dragasis et al. Am J Cardiovasc Dis. .

Abstract

Electrophysiologic procedures are performed widely nowdays, for the successful treatment of several cardiac arrhythmias. In this case report, we describe a rare congenital anomaly of the inferior vena cava, as an incidental finding during a scheduled electrophysiologic procedure for a supraventricular tachycardia ablation. The patient is a 32 year old male with an unremarkable medical history, suffering from sustained episodes of paroxysmal tachycardia. The electrophysiological maneuvers confirmed the presence of atrioventricular nodal reentry tachycardia, followed by a successful slow pathway ablation. We provide imaging details and guidance on the successful catheter positioning. In cases like this, the prognosis is excellent, while the follow up of our patient was unremarkable.

Keywords: Inferior vena cava; congenital anomaly; electrophysiologic study.

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Conflict of interest statement

None.

Figures

Figure 1
Figure 1
Contrast agent administration via a long sheath at the level of the heart, along with two electrophysiology catheters. Contrast administration proved that our catheters where positioned inside a vessel and not in the heart chambers.
Figure 2
Figure 2
Angiographic appearance of the left brachiocephalic vein.
Figure 3
Figure 3
Angiographic appearance of the superior vena cava.
Figure 4
Figure 4
Final catheter positioning and routes, along with the ablation catheter located at the “slow pathway” area.
See this image and copyright information in PMC

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