1,539 results match your criteria Pacemakers and Implantable Cardioverter Defibrillators

Ventricular Arrhythmias in Patients with Implanted Cardiac Devices at High Risk of Obstructive Sleep Apnea.

Medicina (Kaunas) 2022 Jun 2;58(6). Epub 2022 Jun 2.

Department of Quantitative Health Sciences, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Ave JJN3-01, Cleveland, OH 44195, USA.

: Patients with pre-existing cardiac disease have a higher prevalence of Obstructive Sleep Apnea (OSA). OSA has been associated with an increased risk of supraventricular and ventricular arrhythmia. We screened subjects with implanted pacemakers and automated implantable cardioverter defibrillators (AICD) for OSA with the Berlin Questionnaire and compared the incidence of ventricular arrhythmias and automated implantable cardioverter defibrillator (AICD) firing between high and low OSA risk groups. Read More

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Comparison of Anxiety and Depression Symptoms in Individuals According to their Sex, Type of Cardiac Device, and Diagnosis of Chagas Disease.

Braz J Cardiovasc Surg 2022 Jun 3. Epub 2022 Jun 3.

Escola de Enfermagem de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil.

Introduction: Implantable cardiac pacemakers or cardioverter defibrillators are alternatives for the treatment of arrhythmias, however, their use has caused changes in the emotional state of patients. The objective of this study was to compare the measures of anxiety and depression symptoms in individuals according to their sex, type of cardiac device, and diagnosis of Chagas disease.

Methods: This is an observational and cross-sectional study conducted with adults with implantable cardiac pacemakers or cardioverter defibrillators. Read More

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Diaphragmatic Pacing as an Initial Presentation of Delayed Ventricular Lead Perforation.

J Innov Card Rhythm Manag 2022 May 15;13(5):5004-5008. Epub 2022 May 15.

Department of Cardiovascular Medicine, William Beaumont Hospital-Royal Oak, Royal Oak, MI, USA.

Ventricular lead perforation is an infrequent and potentially fatal complication of pacemakers and implantable cardioverter-defibrillators that typically presents shortly following device implantation. Delayed lead perforations occurring 1 month after implantation are not widely reported and can have a wide range of presentations ranging from asymptomatic to potentially fatal cardiac tamponade. We describe a case of successful percutaneous lead extraction and revision in a patient who presented 9 months following implantation with an active fixation right ventricular pacing lead with apical perforation. Read More

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Interference thresholds for active implantable cardiovascular devices in occupational low-frequency electric and magnetic fields: a numerical and in vitro study.

Med Eng Phys 2022 06 13;104:103799. Epub 2022 Apr 13.

Université de Lorraine, Institut Jean Lamour (UMR 7198), CNRS, 2 allée André Guinier, Campus Artem, 54000 Nancy, France.

In light of concerns regarding the occupational safety and health of workers wearing active implantable medical devices (AIMDs), this study aims to investigate the potential risks of electromagnetic interference (EMI) between AIMDs and low-frequency 50/60 Hz electromagnetic fields (EMFs) in the workplace. A total of 58 AIMDs, consisting of pacemakers (PMs) and implantable cardiac defibrillators (ICDs) of different brands, models, and configurations were tested to determine the immunity thresholds for high-voltage electric fields (EFs) and magnetic fields (MFs) at 50/60 Hz. The EFs and MFs at the levels in workplaces are reproduced by setups using Helmholtz coils and aluminum plates, respectively, to ensure that the EM/MF exposures are controllable and reproducible. Read More

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Safety and Effectiveness of Transvenous Lead Extraction in Patients with Infected Cardiac Resynchronization Therapy Devices; Is It More Risky than Extraction of Other Systems?

Int J Environ Res Public Health 2022 05 10;19(10). Epub 2022 May 10.

Department of Cardiology, Medical University of Lublin, 20-059 Lublin, Poland.

Background: Transvenous lead extraction (TLE) in patients with implantable cardioverter defibrillator (ICD) and cardiac resynchronization therapy (CRT) devices is considered as more risky. The aim of this study was to assess the safety and effectiveness of TLE in patients with infected CRT systems.

Methods: Data of 3468 patients undergoing TLE in a single high-volume center in years 2006-2021 were analyzed. Read More

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Nursing the Patient With an Artificial Pacemaker.

Betsy Todd

Am J Nurs 2022 Jun;122(6):50-52

Editor's note: From its first issue in 1900 through to the present day, AJN has unparalleled archives detailing nurses' work and lives over more than a century. These articles not only chronicle nursing's growth as a profession within the context of the events of the day, but also reveal prevailing societal attitudes about women, health care, and human rights. Today's nursing school curricula rarely include nursing's history, but it's a history worth knowing. Read More

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Long-Term Cardiac Monitoring After Embolic Stroke of Undetermined Source: Search Longer, Look Harder.

Am J Med 2022 May 14. Epub 2022 May 14.

Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK; Department of Cardiovascular and Metabolic Medicine, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, UK; Department of Clinical Medicine, Aalborg University, Aalborg, Denmark. Electronic address:

Embolic stroke of undetermined source (ESUS) represents a heterogeneous subgroup of patients with cryptogenic stroke, in which despite an extensive diagnostic workup the cause of stroke remains uncertain. Identifying covert atrial fibrillation among patients with ESUS remains challenging. The increasing use of cardiac implanted electronic devices (CIED), such as pacemakers, implantable defibrillators, and implantable loop recorders (ILR), has provided important information on the burden of subclinical atrial fibrillation. Read More

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[Management of infections in patients with cardiac implantable electronic devices].

G Ital Cardiol (Rome) 2022 May;23(5):328-335

Azienda Sanitaria Universitaria Giuliano-Isontina, Trieste.

Implantation of pacemakers and cardiac defibrillators is a life-saving treatment but can put our patients at risk of infections, increasing morbidity and mortality and prolonging hospitalization with a significant financial healthcare burden. A preventive strategy is crucial but, while several strategies such as administration of intravenous antibiotic therapy before implantation are well recognized, other uncertainties remain. The main gaps regard the use of periprocedural measures, including antibacterial envelope to prevent device infection, the appropriate management of antithrombotic therapy before and after device implantation and timing of device reimplantation. Read More

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Cardiac rhythm devices in pediatric patients: Impact on family functioning and parent's health-related quality of life.

J Child Health Care 2022 May 12:13674935221085388. Epub 2022 May 12.

Children's Research Center, 30995University Children's Hospital, Zurich, Switzerland.

This study compares the impact of children's cardiac rhythm devices and health status on their parents with that of healthy controls. Furthermore, it aims to ascertain whether sociodemographic characteristics and medical data are associated with parent-reported impacts. This cross-sectional study is part of a comprehensive single-center study of long-term psychosocial outcomes in pediatric patients with pacemakers and implantable cardioverter defibrillators. Read More

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Magnetic field interactions between current consumer electronics and cardiac implantable electronic devices.

J Interv Card Electrophysiol 2022 May 10. Epub 2022 May 10.

Heart Rhythm Science Center, Minneapolis Heart Institute and Foundation, 800 E 28th St, Minneapolis, MN, 55407, USA.

Background: Electronic products, including the iPhone 12, Apple Watch Series 6, and 2nd Generation AirPods, contain magnets to facilitate wireless charging. Permanent magnets may affect CIED magnet mode features by causing pacemakers to pace asynchronously and defibrillators to suspend arrhythmia detection. This study determined if CIEDs are affected by static magnetic fields from commonly used portable electronics (PE) at any distance and intends to reinforce FDA recommendations concerning consumer PE which contain permanent magnets. Read More

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A comparison of postoperative complications following cardiac implantable electronic device procedures in patients treated with antithrombotic drugs.

Pacing Clin Electrophysiol 2022 Jun 18;45(6):733-741. Epub 2022 May 18.

Division of Cardiology, Department of Medicine, Dicle University Heart Centre, Diyarbakir, Turkey.

Background: The incidence of postoperative complications following cardiac implantable electronic device (CIED) procedures in patients treated with antithrombotic drugs has not been studied sufficiently. Here we present a comparison of complications after CIED implantations.

Methods: Using an observational study design, the study included 1807 patients with a taking antiplatelet drugs (n: 1601), nonvitamin K anticoagulants (NOAC) (n: 136), and warfarin (n: 70) undergoing CIED surgery. Read More

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Factors associated with remote monitoring adherence for cardiovascular implantable electronic devices.

Heart Rhythm 2022 Apr 29. Epub 2022 Apr 29.

Department of Medicine, University of California, San Francisco, San Francisco, California; San Francisco Veterans Affairs Health Care System, San Francisco, California. Electronic address:

Background: Professional societies strongly recommend remote monitoring (RM) of all cardiac implantable electronic devices, and higher RM adherence is associated with improved patient outcomes. However, adherence with RM is suboptimal.

Objective: The purpose of this study was to better understand factors associated with RM adherence. Read More

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Device runtime and costs of cardiac resynchronization therapy pacemakers - a health claims data analysis.

Ger Med Sci 2022 4;20:Doc02. Epub 2022 Mar 4.

Institute of Social Medicine and Epidemiology, University of Lübeck, Germany.

This study investigates the runtime and costs of biventricular defibrillators (CRT-D) and biventricular pacemakers (CRT-P). Accurate estimates of cardiac resynchronization therapy (CRT) device runtime across all manufactures are rare, especially for CRT-P. Health claims data of a large nationwide German health insurance was used to analyze CRT device runtime. Read More

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Impact of right ventricular pacing site on the subcutaneous ICD sensing-a step towards personalised device therapy?

J Interv Card Electrophysiol 2022 Apr 23. Epub 2022 Apr 23.

Cardiac Rhythm Management Research Department, University Hospital Southampton NHS Foundation Trust, Southampton, UK.

Background: Patients with an existing subcutaneous implantable cardiac defibrillator (S-ICD) may develop a pacing indication. When transvenous pacing is not feasible, combining an S-ICD and a leadless pacemaker (LP) can be a reasonable option. There are reports of concomitant use of both devices. Read More

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Guidelines for the peri-operative management of people with cardiac implantable electronic devices: Guidelines from the British Heart Rhythm Society.

Anaesthesia 2022 07 16;77(7):808-817. Epub 2022 Apr 16.

Department of Cardiology, South Tees NHS Foundation Trust, Middlesbrough, UK.

This document provides practical guidance for the management of people with cardiac implantable electronic devices who are undergoing surgical intervention. Increasing numbers of people have cardiac device implants including pacemakers, implantable defibrillators and cardiac resynchronisation devices. During surgical procedures, exposure to electromagnetic interference may lead to inappropriate device function including withholding of pacing function or shock therapies. Read More

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Management of atrial fibrillation: two decades of progress - a scientific statement from the European Cardiac Arrhythmia Society.

J Interv Card Electrophysiol 2022 Apr 13. Epub 2022 Apr 13.

Arrhythmia & Electrophysiology Center IRCCS Multimedica Via Milanese 300, Sesto San Giovanni, Milan, Italy.

Background: Atrial fibrillation (AF) is the most common sustained arrhythmia encountered in clinical practice. The aim of this review was to evaluate the progress made in the management of AF over the two last decades.

Results: Clinical classification of AF is usually based on the presence of symptoms, the duration of AF episodes and their possible recurrence over time, although incidental diagnosis is not uncommon. Read More

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[Displacement of catheters in pacemakers and cardio-defibrillators].

Medicina (B Aires) 2022 ;82(2):313

Sección Electrofisiología, Arritmias y Marcapasos, Servicio de Cardiología. Hospital General de Agudos Dr. Cosme Argerich, Buenos Aires, Argentina.

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Bridge pacemaker with an externalized active fixation lead for pacemaker-dependent patients with device infection.

Pacing Clin Electrophysiol 2022 Jun 2;45(6):761-767. Epub 2022 May 2.

Cardiovascular Department, Peking University People's Hospital, Beijing, China.

Background: The risk of Cardiac Implantable Electronic Device (CIED) infection has been increasing in recent years. For pacemaker-dependent patients, a temporary pacemaker is needed before a new device can be implanted. The aim of this study is to evaluate the safety and efficacy of using a temporary pacing device with an externalized active fixation lead (bridge pacemaker) before a new device can be implanted in pacemaker-dependent patients with device infection. Read More

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Assessing the safety of interrogating cardiac-implantable electronic devices with brand-mismatched remote interrogators: a pilot study.

Clin Exp Emerg Med 2022 Mar 31;9(1):24-28. Epub 2022 Mar 31.

Department of Emergency Medicine, Baylor College of Medicine, Houston, TX, USA.

Objective: Remote cardiac implantable electronic device (CIED) interrogators, originally developed for home use, have been proven to be efficacious in clinical settings, especially emergency departments. Concern exists that attempting to interrogate a CIED with the remote interrogator of a different brand, i.e. Read More

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Chest computer tomography is safe without additional interrogation or monitoring for modern cardiac implantable electrical devices.

J Cardiovasc Electrophysiol 2022 Jun 8;33(6):1336-1340. Epub 2022 Apr 8.

Department of Cardiovascular Medicine, Saitama Medical University International Medical Center, Saitama, Japan.

Introduction: Whether diagnostic computed tomography (CT) scans to cardiac implantable electronic devices (CIED) is safe in recent models remains unknown.

Methods: A two-centers observational study. Over 14 years, consecutive 2362 chest CT scans (1666 pacemakers [PMs], 145 cardiac resynchronization therapy PM, 316 implantable cardioverter-defibrillator, and 233 cardiac resynchronization therapy defibrillator) were interrogated and monitored upon imaging. Read More

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Magnetic resonance lymphangiography in post-Fontan palliation patients with MR non-conditional cardiac electronic devices: An institutional experience.

Clin Imaging 2022 Jun 23;86:43-52. Epub 2022 Feb 23.

Department of Radiology, Children's Hospital of Philadelphia, USA.

Magnetic resonance imaging (MRI) is a routinely used imaging modality for the diagnosis and treatment planning of many health conditions in children and adults. Yet, its use has been limited in many institutions for patients with cardiac implantable electronic devices (CIEDs) due to safety concerns. Current evidence relates primarily to devices with transvenous leads. Read More

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Postmortem Interrogation of Cardiac Implantable Electronic Devices: A 15-Year Experience.

JACC Clin Electrophysiol 2022 03 22;8(3):356-366. Epub 2021 Dec 22.

Department of Cardiology, Baker Heart and Diabetes Institute, Prahran, Victoria, Australia; Department of Cardiology, Alfred Hospital, Prahran, Victoria, Australia; Department of Cardiology, Western Health, St Albans, Victoria, Australia; Department of Medicine, Monash University, Clayton, Victoria, Australia. Electronic address:

Objectives: This study sought to define the feasibility and utility of postmortem cardiac implantable electronic device (CIED) interrogation.

Background: The diagnostic yield of routine postmortem interrogation of CIEDs including pacemakers, defibrillators, and implantable loop recorders has not been established.

Methods: The study reviewed all CIED interrogations in deceased individuals undergoing medicolegal investigation of sudden or unexplained death by the Victorian Institute of Forensic Medicine between 2005 and 2020. Read More

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A Practical Guide to Ultrasound-guided Venous Access During Implantation of Pacemakers and Defibrillators.

J Innov Card Rhythm Manag 2022 Feb 15;13(2):4873-4877. Epub 2022 Feb 15.

Cardiac Arrhythmia Service, Massachusetts General Hospital, Boston, MA, USA.

Ultrasound (US) guidance has been shown to be a safe and effective option for gaining access to the axillary vein during implantation of cardiovascular implantable electronic devices (CIEDs). However, US-based technique has not been universally adopted in CIED implantations performed in cardiac electrophysiology (EP) laboratories, despite potential advantages over other vascular access techniques. For this reason, not all cardiac electrophysiologists have been trained to use US guidance during CIED implantation. Read More

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February 2022

[Concurrent Surgical Venous Repair during Laser-assisted Pacemaker Lead Extraction].

Kyobu Geka 2022 Mar;75(3):163-168

Department of Cardiovascular Surgery, Kumamoto University, Kumamoto, Japan.

Pacemakers are widely used to treat arrhythmia, however, one of problems after implantation of pacemaker is device infection. Total removal of leads and generator is recommended for radical cure. Recently, transvenous laser-assisted extraction of pacemaker leads has been developed and has achieved good results. Read More

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The electrocardiographic interpretation of ventricular pacing suppression algorithms in the pacemaker.

J Electrocardiol 2022 May-Jun;72:1-5. Epub 2022 Feb 20.

Department of Electrocardiology, John Paul II Hospital, Kraków, Poland; Institute of Cardiology, Jagiellonian University Medical College, Kraków, Poland.

Algorithms designed to reduce the right ventricular (RV) pacing burden are widely available in modern dual-chamber implantable pacing devices. These algorithms allow the atrioventricular delay for sensed ventricular events to be longer than for ventricular paced events. However, since these features are unique to pacemaker manufacturers, they often produce unfamiliar electrocardiographic (ECG) appearances that suggest pacemaker dysfunction. Read More

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Perioperative Management of Patients with Cardiac Implantable Electronic Devices and Utility of Magnet Application.

J Clin Med 2022 Jan 28;11(3). Epub 2022 Jan 28.

Cardiocentro Ticino Institute, Ente Ospedaliero Cantonale, 6900 Lugano, Switzerland.

With the demographic evolution of the population, patients undergoing surgery today are older and have an increasing number of sometimes complex comorbidities. Cardiac implantable electronic devices (CIED) are also getting more and more complex with very sophisticated programming algorithms. It may be generally assumed that magnet application reverts pacing to an asynchronous mode in pacemakers and disables tachycardia detection/therapy in internal cardioverter-defibrillators. Read More

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January 2022

[A practical approach to device interrogation].

Herzschrittmacherther Elektrophysiol 2022 Mar 11;33(1):98-107. Epub 2022 Feb 11.

Klinik für Kardiologie, Angiologie und internistische Intensivmedizin, Klinikum-Lippe Detmold, Röntgenstraße 18, 32756, Detmold, Deutschland.

For many cardiologists in training, interrogation of implantable cardiac devices is the first step into the fascinating world of electrophysiology. A growing number of patients implanted with pacemakers, implantable cardioverter-defibrillators (ICDs) or cardiac resynchronization therapy devices (CRTs) fuels the need for a basic understanding of those devices by every cardiologist. This article is meant to address the most important theoretical points to facilitate an easy, quick but still comprehensive device interrogation in nine steps. Read More

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Interference by Modern Smartphones and Accessories with Cardiac Pacemakers and Defibrillators.

Curr Cardiol Rep 2022 04 27;24(4):347-353. Epub 2022 Jan 27.

Division of Cardiology, Department of Medicine, Lifespan Cardiovascular Institute and Brown University, Providence, RI, USA.

Purpose Of Review: The risk of cardiac implantable electronic device (CIED) interference from cell phones was previously thought to be low based on older studies. Current generation of smartphones have incorporated more magnets for optimization of wireless charging, attachment of accessories, and convenience functionalities. These magnets have the potential to cause CIEDs to inadvertently revert into magnet mode. Read More

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Echocardiography-guided Cardiac Implantable Electronic Device Implantation to Reduce Device Related Tricuspid Regurgitation: A Prospective Controlled Study.

Isr Med Assoc J 2022 Jan;24(1):25-32

Electrophysiology and Pacing Unit, Department of Cardiology, Assuta Ashdod University Medical Center Ben Gurion University of the Negev, Beer Sheva, Israel.

Background: Endocardial leads of permanent pacemakers (PPM) and implantable defibrillators (ICD) across the tricuspid valve (TV) can lead to tricuspid regurgitation (TR) or can worsen existing TR with subsequent severe morbidity and mortality.

Objectives: To evaluate prospectively the efficacy of intraprocedural 2-dimentional-transthoracic echocardiography (2DTTE) in reducing/preventing lead-associated TR.

Methods: We conducted a prospective randomized controlled study comparing echocardiographic results in patients undergoing de-novo PPM/ICD implantation with intraprocedural echo-guided right ventricular (RV) lead placement (Group 1, n=56) versus non-echo guided implantation (Group 2, n=55). Read More

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January 2022

Implantable loop recorder for monitoring patients with congenital heart disease.

Cardiovasc Diagn Ther 2021 Dec;11(6):1334-1343

Department of Electrophysiology, German Heart Center Munich, Technical University of Munich, Munich, Germany.

Background: Patients with congenital heart defects (CHD) are prone to residua, sequels and complications from the underlying anomaly, where cardiac arrhythmias are one of the major causes for hospitalization, morbidity and mortality. The importance of the subcutaneous implantable loop recorder (ILR) for the detection and documentation of significant arrhythmias has increased over the last years. To date, however, there is little data on ILR use in the CHD population. Read More

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December 2021