Key result
A completely self-contained leadless pacemaker has been developed, and its characteristics, along with early animal and human trial results, were discussed at a symposium.
Early symposium presentations suggest that a novel leadless pacemaker is feasible and may help avoid traditional lead and pocket-related complications.
Early leadless pacemaker data remain preliminary; leaves open feasibility for reducing lead complications pending larger trials.
Pacemaker technologies have advanced dramatically over the decades since they were first introduced, and every year many thousands of new implants are performed worldwide. However, there continues to be a high incidence of acute and chronic complications, most of which are linked to the lead or the surgical pocket created to hold the device. A leadless pacemaker offers the possibility of bypassing these complications, but requires a catheter-based delivery system and a means of retrieval at the end of the device’s life, as well as a way of repositioning to achieve satisfactory pacing thresholds and R waves, a communication system and low peak energy requirements. A completely self-contained leadless pacemaker has recently been developed, and its key characteristics are discussed, along with the results of an efficacy and safety trial in an animal model. The results of the LEADLESS study, the first human trial to look at safety and feasibility of the leadless device, are discussed and the possible implications for future clinical practice examined.
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Knops et al. (2011) reported a review. Leadless pacemaker was evaluated. A completely self-contained leadless pacemaker has been developed, and its characteristics, along with early animal and human trial results, were discussed at a symposium.
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