HeartRhythm

APRIL 30, 2024

Leadless pacemaker (LP, Micra, Medtronic) is an effective alternative to a conventional transvenous pacemaker. However, there remains concern about using the LP in frail, elderly patients due to sheath size and perceived risk of perforation,

Pacemaker 40

Pacemaker 40

Journal of Cardiovascular Electrophysiology

MARCH 27, 2024

Abstract Introduction Pacemaker implantation can be challenging in patients with congenital heart disease. Methods and Results In a patient with Ebstein disease and symptomatic sinus node dysfunction, despite multiple attempts, the Micra® pacemaker could not be implanted in the severely dilated right ventricle.

Pacemaker 49

Pacemaker Congenital Heart Disease Congenital Heart Disease 49

American College of Cardiology

MARCH 18, 2024

What is the association between antiarrhythmic drug (AAD) use and the risk of pacemaker implantation or syncope in patients with new-onset atrial fibrillation (AF) receiving early rhythm control therapy with AADs?

Pacemaker 57

Pacemaker Atrial Fibrillation Article 57

HeartRhythm

FEBRUARY 18, 2024

Based on the historical studies of leadless pacemakers (LP), high atrio-ventricular synchrony (AVS) with mechanical sensing-based VDD pacing is largely influenced by A4-amplitude. A limited study investigated the predictors of A4-amplitude using clinical and echocardiographic parameters.

Pacemaker 74

Pacemaker 74

HeartRhythm

APRIL 30, 2024

Intravascular cardiac pacemakers are an established therapy for bradycardia. Recently, a new class of leadless pacemakers have mitigated some of the complications related to pacemaker leads.

Pacemaker 40

Pacemaker Bradycardia 40

Medical Xpress - Cardiology

MARCH 17, 2024

By harnessing light, my colleagues and I designed a wireless, ultrathin pacemaker that operates like a solar panel. This design not only eliminates the need for batteries but also minimizes disruptions to the heart's natural function by molding to its contours.

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Pacemaker Research 89

HeartRhythm

APRIL 30, 2024

Leadless pacemakers have become a major breakthrough in the management of bradyarrhythmia as an attractive alternative to the standard transvenous pacemakers. We've been able to use new leadless pacemaker (Aveir VR, Abbott, Chicago, IL) since March 2023.

Pacemaker 40

Pacemaker 40

HeartRhythm

APRIL 30, 2024

Pacemaker malfunction maybe life threatening by inducing malignant arrhythmia or failure to pace in dependent patients. We report a case of syncope and injury related to device malfunction, where the only solution was exchanging the pacemaker generator.

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Pacemaker Arrhythmia 40

HeartRhythm

APRIL 30, 2024

The use of leadless pacemakers (LPM) for the treatment of high-grade conduction disease has become more prevalent. However, retrieval of the leadless pacemaker in the event of systemic infection can be challenging. Outcomes of patients with LPMs presenting with bacteremia are not well-characterized.

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Pacemaker Outcomes 40

HeartRhythm

APRIL 30, 2024

Leadless pacemakers (LPM) were developed as an alternative to transvenous pacemakers to avoid lead related complications. Despite being generally safe, complications associated with LPM implantation, such as cardiac perforation, can be life-threatening.

Pacemaker 40

Pacemaker Inpatient Hospital Outcomes 40

HeartRhythm

APRIL 30, 2024

The 2nd human genetically-modified cardiac xenotransplant occurred 9/20/23 at the University of Maryland with patient requiring placement of a permanent pacemaker on post-op day three for low cardiac output with relative bradycardia. After multi-disciplinary discussion the decision was made to proceed with an epicardial approach.

Pacemaker 40

Pacemaker Bradycardia 40

HCPLive

APRIL 10, 2024

24 related to leadless pacemaker extraction and reimplantation. José López, MD, discusses a case series from ACC.24

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Pacemaker 52

HeartRhythm

APRIL 30, 2024

Radiation exposure can cause pacemaker malfunction. However, the impact of radiation on leadless pacemakers is unknown and in-vitro studies of leadless pacemaker performance near radiation beams has not been previously studied.

Pacemaker 40

Pacemaker 40

HeartRhythm

APRIL 30, 2024

Cardiac pacemakers contain a rate-response sensor and algorithm that allows the pacing rate to adapt to changing metabolic demands.

Pacemaker 40

Pacemaker 40

HeartRhythm

APRIL 30, 2024

The AutoCaptureTM algorithm is used in pacemakers and implantable cardioverter defibrillators to perform pacing threshold tests, detect failure to capture, and adjust energy output to ensure capture beat-by-beat.

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Pacemaker Defibrillator 40

American College of Cardiology

MARCH 1, 2024

Despite decreasing rates of permanent pacemaker implantation (PPI) after TAVR, substantial site-level variation persists, suggesting the need for quality improvement initiatives like replicating best practices from high-performing sites and increased guideline-based education, according to a recent study published in JACC: Cardiovascular Interventions. (..)

TAVR 57

TAVR Pacemaker Best Practices Cardiovascular Interventions 57

HeartRhythm

APRIL 30, 2024

years) was used by Coratomics (Indiana, PA) to generate a device that showed non inferior efficacy and longer battery life compared to lithium powered pacemakers. Within the US, plutonium 238 (half-life 87.7

Pacemaker 40

Pacemaker 40

HeartRhythm

APRIL 29, 2024

The first dual-chamber leadless pacemaker (DC-LP) system consists of two separate atrial and ventricular devices that communicate to maintain synchronous atrioventricular pacing and sensing. The initial safety and efficacy were previously reported.

Pacemaker 40

Pacemaker 40

HeartRhythm

APRIL 30, 2024

Permanent pacemaker implantation (PPI) post transcatheter aortic valve implantation (TAVI) can be complicated by cardiac implantable electronic device infection (CIED-I) as a result of bacteremia. This can lead to increased morbidity and mortality in addition to necessitating pacemaker and lead extraction.

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Aortic valve Pacemaker Aortic Outcomes 40

HeartRhythm

APRIL 30, 2024

As the utilization of leadless pacemakers (LPMs) increases, there is expanding need to manage complications of LPMs such as dislodgement and RV pacing-induced cardiomyopathy.

Pacemaker 40

Pacemaker Cardiomyopathy 40

HeartRhythm

APRIL 30, 2024

Leadless pacemakers have emerged as a viable option for managing bradyarrhythmias. We present a case of AV Micra implantation in a patient with Ebstein's anomaly.

Pacemaker 40

Pacemaker 40

Medical Xpress - Cardiology

FEBRUARY 14, 2024

A pacemaker is a device that helps regulate abnormal heart rates using electrical pulses. Leadless pacemakers, which are placed in the heart and don't have wires like conventional transvenous pacemakers, are becoming more popular. Heartbeats could one day help power something beyond hearts.

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Pacemaker 45

ECG Guru

AUGUST 3, 2023

Here is a Pacemaker-ECG with no signs of PM-malfunction: Beat A is an intrinsic beat (atrial fibrillation). Beat B is a pseudofusion beat. Beat C is a fully paced beat. Beat D is a fusion beat. Ventricular fusion is the electrical summation of an intrinsic beat of the heart and depolarization from a pacing stimulus.

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Pacemaker Atrial Fibrillation 52

Frontiers in Cardiovascular Medicine

FEBRUARY 20, 2024

In response to this problem, our group has previously developed a protocol for the generation of pure functional cardiac pacemaker cells from mouse embryonic stem cells (ESCs). As a result, we were able to generate a monolayer of pure pacemaker cells on an MEA surface that is viable and electromechanically active for weeks.

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Pacemaker Heart Rhythm Technology Arrhythmia 64

American College of Cardiology

MARCH 11, 2024

What are the long-term outcomes and performance of the Micra VR leadless pacemaker at 5 years in a worldwide post-approval registry?

Pacemaker 43

Pacemaker Outcomes Article 43

HeartRhythm

APRIL 30, 2024

It would be useful to determine whether the device can sense the mechanical atrial amplitude (A4) before the implantation of a VDD leadless pacemaker (Micra AVRT, Medtronic, US).

Pacemaker 40

Pacemaker 40

HeartRhythm

APRIL 30, 2024

Leadless pacemaker has established itself as an important therapeutic modality in management of selected patients with symptomatic bradycardia.

Pacemaker 40

Pacemaker Bradycardia 40

HeartRhythm

APRIL 30, 2024

Cardiac arrhythmias are often encountered in orthotopic heart transplantation (OHT) recipients due to multiple risk factors and may lead to the necessity of permanent pacemaker implantation(PPI). Ischemic time > 4 hours has been associated with graft dysfunction.

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Heart Transplant Transplant Pacemaker Risk Factors 40

HeartRhythm

APRIL 30, 2024

Leadless VVI pacemakers (LL-PPM), first approved by Food and Drug Administration (FDA) in 2016, emerged as an alternative for transvenous pacemakers to reduce device-related complications.

Pacemaker 40

Pacemaker 40

HeartRhythm

APRIL 30, 2024

Miniaturized wireless pacemakers with integrated power and data communication systems allow for less invasive implant delivery and seamless integration with biological tissues, while also enabling the development of more efficient and personalized therapy options through adaptive closed-loop systems and distributed networks of implants.

Pacemaker 40

Pacemaker 40

HeartRhythm

APRIL 30, 2024

Identification of all relevant predictors of bradycardic syncope and consequent insertion of a permanent pacemaker (PPM) is of substantial clinical interest, as patients in the highest-risk category may benefit from upfront pacemaker insertion.

Pacemaker 40

Pacemaker 40

HeartRhythm

APRIL 30, 2024

Although there are case reports demonstrating pacemaker (PPM) malfunction in the setting of radiation therapy (XRT), there is limited evidence on its effect on modern PPMs designed for safety in various electromagnetic interference (EMI) settings.

Pacemaker 40

Pacemaker 40

HeartRhythm

FEBRUARY 29, 2024

Leadless pacemakers (LP) capable of VDD pacing allow for atrioventricular synchrony through mechanical sensing of atrial contraction. Unfortunately, mechanical sensing is less reliable and less predictable than electrical sensing.

Pacemaker 40

Pacemaker 40

HeartRhythm

APRIL 30, 2024

Early results from the Micra AV CED study showed reductions in short-term complications associated with the Micra AV leadless pacemaker among US Medicare patients.

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Pacemaker Medicare Outcomes 40

DAIC

DECEMBER 22, 2023

The Topaz device was implanted in a 74-year-old female patient with a pacemaker lead passing through the tricuspid annulus, classed as having New York Heart Association (NYHA) class III heart failure and presenting with torrential TR. Importantly, the performance of the pacemaker was not affected by the valve.

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Tricuspid Pacemaker Heart Valves Open-Heart Surgery 59

HeartRhythm

APRIL 30, 2024

Aveir DR is the first dual-chamber leadless pacemaker (LP) system, featuring a helix fixation mechanism, pre-fixation exploratory electrical mapping, and beat-to-beat wireless communication between LPs to maintain synchronous atrioventricular (AV) pacing.

Pacemaker 40

Pacemaker 40

ECG Cases

OCTOBER 11, 2022

In this month's ECG Cases blog Dr. McLaren explains the PACER mnemonic approach to patients with pacemakers: Pacemaker spike: is it appropriately presence/absent, is there pacemaker-mediated tachycardia (apply magnet) or is there failure to pace (apply magnet to stop sensing, cardio consult)?

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Pacemaker Blog Tachycardia 52