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Year : 2014  |  Volume : 2  |  Issue : 2  |  Page : 2

ECG abnormalities after transcatheter aortic valve implantation

1 Department of Internal Medicine I, Medical Faculty Mannheim, University Heidelberg, Mannheim, Germany
2 Heart Center Rostock, Department of Internal Medicine I, University Hospital Rostock, Rostock School of Medicine, Rostock, Germany

Correspondence Address:
Ibrahim Akin
Department of Internal Medicine I, Medical Faculty Mannheim, University of Heidelberg, Theodor-KutzerUfer 1-3, 68167 Mannheim
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Source of Support: None, Conflict of Interest: None

DOI: 10.5812/acvi.17369

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Transcatheteraortic valve implantation, first introduced in 2002, has been established as an alternative modality for patients deemed not suitable for open-heart surgery. The anatomical vicinity of the atrioventricular node and the His bundle to the non-coronary and rightcoronary aortic cusps predisposes patients to conduction abnormalities in case of severe calcification or mechanical trauma during valve implantation. However, the two evaluated valves (CoreValve and Edwards SAPIEN valve) have different rates of these complications, mainly driven by their respective geometry. Currently, there is ongoing evaluation of the true rate of conduction disorders and their clinical relevance or durability. The initial experience of fatal outcomes with conduction disorders such as complete atrioventricular block has increased the rate of subsequent pacemaker implantation up to 50%. However, prophylactic pacemaker implantation is associated with several possible complications. Thus, there is a need for further data from large-scale series taking into account the true rate of clinically relevant conduction disorders.

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