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A Novel 2D Echo View to Determine Right Ventricular Lead Position on the Tricuspid Valve Level
Veronika Zach1,2,3, Philipp Lacour1,2, Lina Alasfar1,4
1Department of Cardiology, Angiology and Intensive Care Medicine, Deutsches Herzzentrum der Charité, Berlin, Germany.
Introduction:
Recently, a subcostal en-face view of the tricuspid valve (TV) was described which can determine right ventricular (RV) lead position on the TV level. We sought to (1) prospectively evaluate the feasibility of this novel view in patients with cardiac implantable electronic devices (CIED) to visualize the position of the device lead relative to the TV leaflets and (2) study the association between lead position and degree of tricuspid regurgitation (TR).
Methods:
Consecutive patients with a history of CIED implantation with at least one RV lead who underwent echocardiography for any cause at our tertiary center were included in this prospective observational study. A subcostal 2D en-face view of the TV was obtained and the position of the RV lead in the TV plane was determined whenever feasible.
Results:
A total of 176 patients were included, 70% were male, the median age was 74 years. The exact RV lead position in respect to the TV plane could be determined in 112/176 patients (64%) via the proposed view. In 37 patients (21%) moderate TR could be found, while 10 patients (6%) presented with severe TR. The lead position was not associated with the degree of TR.
Conclusion:
A novel 2D en-face view of the TV can accurately identify the RV lead position in the TV plane. At least moderate TR was present in 27% of patients with CIED. There was no association of lead position with the occurrence of moderate or more TR.
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