Affiliation:
1. Department of Medicine, Division of Cardiology, Weill Cornell Medicine New York Presbyterian Hospital New York New York USA
Abstract
AbstractIntroductionLeadless cardiac pacemakers (LCPs) are becoming more commonly utilized because of their potential advantages (i.e., reduced short and long‐term complications, improved patient comfort) and may be the preferred option for patients with venous access problems, high‐risk for infection, previous lead fractures, or skin erosion. There are currently two types of LCP fixation mechanisms that have been FDA approved—Medtronic's Micra system has a tine‐based fixation and Abbott's Aveir system has a helix‐fixation design. This article highlights important tips and tricks for a successful implant of a helix‐fixation LCP, particularly when difficulties are encountered, and provides precautions to avoid potential complications.MethodsCases of single chamber Aveir LCP implantation were reviewed to highlight examples of procedural pitfalls and suggested methods to circumnavigate them.ResultsThere are unique procedural considerations regarding the Aveir LCP implant as well as challenges that that may be occasionally encountered. Techniques to address these—such as avoiding air embolism, maneuvering difficult entry into the right ventricle, handling complicated positioning/repositioning, evaluating proper fixation, and releasing difficult tethers—are illustrated in detail. Advice to reduce risks of perforation and to position optimally for potential retrieval and communication for dual chamber pacing are also described.ConclusionsThe advanced teaching concepts described and emphasized in this article may help improve success and prevent procedural complications, especially when physicians are learning how implant these novel helix‐fixation LCPs.
Subject
Physiology (medical),Cardiology and Cardiovascular Medicine
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