Optimal pacing in congenital complete atrioventricular block of immunological origin: interest of multisite stimulation |
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Authors: | Rumeau P Dulac Y Coulier H Duparc A Leobon B Acar P Roux D Delay M |
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Institution: | Rhythmology and Cardiac Pacing, Cardiology Federation, Toulouse University Hospital, Toulouse, France. rumeauphil@yahoo.fr |
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Abstract: | An infant with a congenital auriculoventricular block (CAVB) of immunological origin was diagnosed prenatally. The mother had Gougerot‐Sjögren disease with positive anti‐Sjogren's Syndrome A (SSA) and Sjogren's Syndrome B (SSB) serologies. Cardiac pacing was necessary and the epicardial route was chosen. Considering the left ventricular (LV) dilatation, biventricular (BiV) stimulation was preferred to the usual DDD mode, presumed to have a deleterious long‐term effect. Echographic parameters were better with BiV stimulation: the asynchronism induced by mono‐RV stimulation was corrected and the QRS complexes were narrower. BiV pacing of a CAVB with LV dilation looks clinically and echographically attractive but needs to be validated in the long term. |
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Keywords: | congenital AVB Gougerot-Sjögren syndrome cardiac resynchronization epicardial stimulation multisite cardiac pacing |
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