ecg abnormalities after transcatheter aortic valve implantation
نویسندگان
چکیده
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.
منابع مشابه
Conduction abnormalities after transcatheter aortic valve implantation
In the last few years, transcatheter aortic valve implantation (TAVI) has become an alternative procedure in patients with severe aortic stenosis and high risk for surgical aortic replacement. Due to the anatomic correlation between aortic valve structure and conduction system of the heart, one of the most common complications after TAVI is conduction system disturbances which including bundle ...
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عنوان ژورنال:
archives of cardiovascular imagingجلد ۲، شماره ۲، صفحات ۰-۰
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