At this year’s Heart Rhythm Society (HRS) meeting, held in May in Boston, MA, companies showcased a number of technologies designed to make cardiac rhythm management (CRM) devices, such as implantable cardioverter defibrillators (ICDs) and pacemakers, safer, more effective, and easier to implant. In addition, there were some very interesting early-stage presentations on promising next-generation CRM technologies involving leadless and rechargeable systems—paradigm-changing advances that will be watched closely as development work continues.
All of the major CRM manufacturers now offer algorithms in their dual-chamber pacemakers and ICDs that are designed to reduce right ventricular pacing (RVP), since several studies have demonstrated that frequent, sustained RVP may result in worsening heart failure (HF) and a higher risk of developing atrial fibrillation (findings that have caused many physicians to switch to single-chamber pacing devices). These algorithms work by enabling the devices to alternate between atrial and RV pacing so that RVP is used only when necessary (i.e., only when no intrinsic ventricular activation is detected)
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