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, RA) est croissante et cette technique expose 15 à 20% des patients à des troubles de la conduction (TDC) nécessitant un Stimulateur Cardiaque (PM), RESUME La place du Remplacement valvulaire aortique percutané (TAVI) dans le traitement du rétrécissement aortique

. Materiel and . Methode, dans deux centres marseillais, étaient inclus. Le statut SD était défini lors d'une consultation du PM : 1-soit par l'absence de rythme sous-jacent (RSJ) > 30 bpm, 2-soit si le RSJ était du bloc atrio-ventriculaire (BAV) de haut degré, Tous les TAVI avec implantation de PM définitif, vol.3, 2009.

, 86%) patients ont eu un PM dans les suites et 150 (72,11%), RESULTAT : Sur 1399 TAVI, vol.14, 0208.

, 23% BAV de haut degré persistant, 32% bloc de branche gauche (BBG) de novo +/-PR long. A 22 mois, 51% des patients étaient SD, 21% n'avaient pas de RSJ. L'indication du PM chez les SD était : BAV réversible 48%, BAV persistant 36%, BBG de novo 13%, L'indication du PM était : 38% BAV de haut degré réversible

, chez les BAV persistants (58% sans RSJ), 64% chez les BAV réversibles (43% sans RSJ, p.22

, La morbidité comme la mortalité globale (p=0,88) n'était pas différente entre les deux groupes. CONCLUSION : A 22 mois d'un TAVI, la moitié des patients sont SD et seuls 1/5 n'ont pas de RSJ. Le ratio de patient SD dépend de l

M. Clés, Remplacement valvulaire aortique percutané, TAVI, Pacemaker, Stimulodépendance, Troubles de la conduction, Bloc atrio-ventriculaire, Bloc de branche gauche de novo