1,721,240 research outputs found

    First-in-human retrieval of chronically implanted Micra transcatheter pacing system

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    We report the first-in-human retrieval of a chronically implanted Micra transcatheter pacing system (TPS; Medtronic, Minneapolis, MN, USA). A 41-year-old woman suffering from third-degree atrioventricular block was successfully implanted with a TPS in the low septum of the right ventricle. After 29 months, due to an increased electrical threshold and 100% pacing percentage, the device showed low battery voltage. Despite the long implant duration, the attempt of device retrieval using a snare loop inserted in the delivery system of a TPS was successful. In the same procedure, a new leadless pacemaker was implanted in the high right ventricular septum with optimal pacing threshold

    Clinical approach to cardiac pauses in congenital central hypoventilation syndrome

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    Congenital central hypoventilation syndrome (CCHS) patients may have heart rhythm disorders related to autonomic nervous system dysfunction such as, sinus bradycardia and transient asystole with potentially dramatic syncopal events. The diagnosis of these cardiac alterations may be challenging with conventional periodical Holter monitoring. The case shows how continuous heart rhythm monitoring provided by the implantable cardiac monitor (ICM) may play a crucial role for their early diagnosis and the choice of the appropriate therapeutic intervention
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