1,047 results match your criteria: "Pacemaker Malfunction"
Device Corner: Unexpected Pacing Behavior During Cryoablation for Atrial Fibrillation.
Heart Rhythm
December 2024
Emory University, Atlanta GA. Electronic address:
Device-device interference triggered by an abandoned pacemaker: a case report.
Eur Heart J Case Rep
November 2024
Hannover Heart Rhythm Center, Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg-Straße 1, Hannover 30625, Germany.
Article Synopsis
- Cardiac implantable electronic devices (CIEDs) can experience electromagnetic interference from various sources, including household and medical equipment, which can lead to malfunctions.
- A 79-year-old man experienced presyncope due to his abandoned abdominal pacemaker reactivating and interfering with his active leadless pacemaker, resulting in pacing problems and symptoms.
- The situation was managed by adjusting the active pacemaker's settings, but ultimately the best solution was to remove the abandoned pacemaker to prevent further complications.
Safety of Magnetic Resonance Imaging in Patients with Cardiac Implantable Electronic Devices.
J Cardiovasc Dev Dis
October 2024
Department of Medicine I, LMU University Hospital, 81377 Munich, Germany.
Article Synopsis
- * Results showed no deaths, significant discomfort, or severe device malfunctions post-MRI, with only two instances of minor atrial arrhythmia, both in patients with MR-conditional pacemakers.
- * The findings support that MRI can be safely conducted in patients with CIEDs without adverse effects or changes in device performance, following proper protocols and monitoring.
Biotronik Implantable Cardioverter Defibrillator for Measurement of Intrathoracic Impedance: A Report of Two Cases.
Ann Noninvasive Electrocardiol
November 2024
Department of Cardiovascular Medicine, Heart Center, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, China.
Article Synopsis
- Two patients received an implantable cardioverter-defibrillator (ICD), and Holter analysis revealed regular pacing spikes occurring after heartbeats, indicating system activity.
- The study utilized dynamic electrocardiogram analysis and literature review to identify these spikes as a feature measuring thoracic impedance rather than a malfunction.
- The findings suggest that these spikes are a normal function of the ICD designed to monitor heart failure, not an interference signal.
Dual-chamber leadless pacemaker in complex adult congenital heart disease: a case report.
Eur Heart J Case Rep
October 2024
Department of Cardiac Electrophyioslogy, Royal Brompton and Harefield Hospitals, Guys and St Thomas' NHS Foundation Trust, Sydney Street, London SW3 6NP, UK.
Article Synopsis
- - Atrioventricular block is a common issue in adults with congenital heart disease, making pacemaker implantation difficult, thus highlighting the importance of atrioventricular synchronous pacing for improved blood flow.
- - A 25-year-old male with a history of complex heart surgeries experienced heart block and had a malfunctioning pacemaker before receiving a dual-chamber leadless pacemaker, which successfully restored his heart's rhythmic function.
- - This case represents a valuable addition to the management options for patients with complex congenital heart diseases, showcasing the effectiveness of leadless pacemakers in ensuring atrioventricular synchrony.
Outcomes of Valve-in-Valve (VIV) Transcatheter Aortic Valve Replacement (TAVR) after Surgical Aortic Valve Replacement with Sutureless Surgical Aortic Valve Prostheses Perceval™: A Systematic Review of Published Cases.
J Clin Med
August 2024
Heart Center, Zentralklinik Bad Berka, 99437 Bad Berka, Germany.
Article Synopsis
- Valve-in-Valve (VIV) transcatheter aortic valve replacement (TAVR) shows promise for treating malfunctioning Perceval surgical valves, but data on its effectiveness are limited.
- A study analyzed 57 patients from various reports, with most being women around 76 years old; results showed a reduction in heart gradient and a low complication rate (15.7%).
- VIV-TAVR can be done safely with specific valve technologies, but should only be performed by skilled operators familiar with both TAVR and VIV procedures.*
Retrievable dual-chamber leadless pacemaker implant (Aveir DR) in an adult patient with congenital heart disease.
Indian Pacing Electrophysiol J
September 2024
Division of Pediatric Cardiology and Adult Congenital Cardiology, UC Davis Medical Center, Sacramento, USA. Electronic address:
Article Synopsis
- Leadless pacemakers, specifically the Aveir dual-chamber (DR) type, show promise as a safe transvenous pacing option for patients with Adult Congenital Heart Disease (ACHD).
- A case study involved a 26-year-old male with a history of repaired dextro-transposition of the great arteries who required a pacemaker due to heart block and sinus node dysfunction.
- The implantation procedure was successful using the Aveir DR leadless pacemaker with no complications, and follow-up results indicated effective pacing thresholds and overall device performance.
Stereotactic Ablative Radiotherapy for Early-stage Lung Cancer in Patients With Left Ventricular Assist Device: A Case Series.
Anticancer Res
September 2024
Department of Radiation Oncology, Osaka University Graduate School of Medicine, Osaka, Japan.
Article Synopsis
- Radiotherapy can affect pacemakers and defibrillators, but its impact on patients with left ventricular assist devices (LVAD) is not well understood, prompting this study.
- Three patients in their 50s and 60s with LVADs due to heart conditions underwent stereotactic ablative radiotherapy (SABR) for early-stage lung cancer, with careful planning to limit radiation exposure to the LVAD.
- The treatment was completed without any immediate complications or LVAD malfunctions, and none of the patients experienced disease progression or long-term side effects during follow-up.
Decision-making regarding subcutaneous implantable cardioverter defibrillator as primary prevention in patients with low ejection fraction.
Pacing Clin Electrophysiol
October 2024
Division of Cardiology, Department of Medicine, School of Clinical Medicine, The University of Hong Kong, Queen Mary Hospital, Hong Kong SAR, China.
Article Synopsis
- The conventional transvenous implantable cardioverter-defibrillator (TV-ICD) is the standard for preventing sudden cardiac death (SCD) in patients with poor heart function, but it has risks like lead complications.
- A subcutaneous implantable cardioverter-defibrillator (S-ICD) is a safer alternative without transvenous leads, yet both devices show similar safety and effectiveness based on recent studies.
- The review highlights factors affecting the choice between TV-ICD and S-ICD and discusses future innovations like combining S-ICD with leadless pacemakers to enhance patient care.
Complete pacemaker failure following lightning strike injury: A case report.
Pacing Clin Electrophysiol
November 2024
Department of Cardiology, Hospital Universitário Onofre Lopes, Universidade Federal do Rio Grande do Norte, Natal, Brazil.
Article Synopsis
- Modern cardiovascular implantable electronic devices (CIEDs) are designed to withstand external electric shocks, but the effects of lightning on these devices remain uncertain.
- A case involving a 74-year-old man with a pacemaker struck by lightning revealed significant battery and lead damage, leading to the need for device replacement.
- The differences in reactions to lightning between this patient and others may be influenced by factors like the type of pacemaker, the way the electric current spreads, and how the injury occurred.
Navigating Complexities: Leadless Pacemaker Management in Proton Therapy for a Pacemaker-Dependent Bilateral Breast Cancer Patient.
Int J Part Ther
September 2024
Department of Radiation Oncology, University of Florida College of Medicine, Gainesville, FL 32610, USA.
Article Synopsis
- - The case study examines the management and safety concerns for a pacemaker-dependent breast cancer patient requiring radiotherapy, highlighting the challenges posed by the conventional pacemaker being within the treatment field.
- - To reduce the risk of device malfunction from radiation exposure, the team opted to replace the conventional pacemaker with a leadless Micra device, and the patient underwent proton therapy successfully without complications.
- - The study emphasizes the importance of strategic decision-making and risk assessment while navigating the use of advanced cancer treatments in patients with cardiac devices, specifically addressing the potential risks associated with proton therapy.
Evaluation of cardiac implantable electronic device lead parameters before and after radiotherapy.
Pacing Clin Electrophysiol
September 2024
Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark.
Article Synopsis
- This study investigates the impact of radiotherapy on cancer patients who have a pacemaker or implantable cardioverter defibrillator (ICD), focusing on potential device malfunctions or changes in lead parameters.
- The research reviewed medical records of 109 patients who underwent radiotherapy to assess any risks associated with the treatment, using local guidelines and statistical analysis.
- Findings showed no significant device malfunctions or clinically important changes in lead parameters, indicating that radiotherapy can be safely administered to these patients with proper precautions.*
Golf Swing-Induced Pacemaker Atrial Noise and Extraction: A Case Report and Literature Review.
Cureus
June 2024
Department of Orthopedic Surgery, Division of Sports Medicine, University of California San Diego School of Medicine, La Jolla, USA.
Article Synopsis
- Implantable medical devices like pacemakers enhance life quality for patients with heart issues, but they can cause problems during physical activities.
- An 81-year-old golfer with a pacemaker experienced sounds from the device triggered only by his golf swing, requiring multiple medical interventions.
- This case highlights the need for healthcare providers to assess sports activities and develop personalized rehab plans to ensure safety for patients with implanted devices.
A detached helix of pacemaker pacing lead.
Clin Case Rep
July 2024
Department of Cardiology The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital Quzhou Zhejiang China.
Article Synopsis
- Permanent pacemaker implantation is used to treat patients with symptomatic bradyarrhythmia, a slow heart rhythm.
- The insertion of the lead is a crucial part of the pacemaker procedure.
- If the lead fails, a decision must be made on whether to extract it completely or leave part of it in, based on individual circumstances.
Bifocal coronary sinus pacing and transcatheter tricuspid valve-in-valve implantation: an innovative combined approach.
Future Cardiol
April 2024
University Cardiology Unit, Interdisciplinary Department of Medicine, "Aldo Moro" University School of Medicine, Polyclinic University Hospital, Piazza Giulio Cesare 11, Bari 70124, Italy.
Article Synopsis
- * The placement of the pacemaker lead in the right ventricle can interfere with the function of the implanted prosthetic valve, potentially causing its dysfunction and requiring alternative pacing locations.
- * The authors describe a novel combined procedure involving the implantation of two leads in the coronary sinus for effective pacing, alongside a transcatheter procedure to replace a malfunctioning tricuspid bioprosthesis in a young patient.
Pacemaker-mediated reentrant arrhythmia facilitated by an atrial-tracking leadless pacemaker.
J Cardiovasc Electrophysiol
September 2024
Department of Medicine, Division of Cardiology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA.
Article Synopsis
- Pacemaker-mediated tachycardia (PMRA) can occur in patients with dual chamber pacemakers and is particularly noted in those with intact ventriculoatrial conduction.
- A 91-year-old female with new cardiomyopathy received an AV synchronous leadless pacemaker, which led to frequent atrial and ventricular pacing issues, identified as PMRA due to changes in heart rates.
- The study highlights that PMRA may be overlooked in patients with leadless pacemakers, emphasizing the need for further research on its management and impact.
Unearthing an artifact: Managed ventricular pacing pseudo-malfunction in an 81-year-old puerto rican female.
Indian Pacing Electrophysiol J
June 2024
Institutions: University of Puerto Rico School of Medicine, Department of Medicine, Cardiovascular Disease Division, San Juan, USA.
Switching to a 100% remote follow-up of implantable cardiac electronic devices: Organizational model and results of a single center experience.
J Cardiovasc Electrophysiol
August 2024
Cardiology Department, Electrophysiology Unit, Misericordia Hospital, Grosseto, Italy.
Article Synopsis
- The study reviews 3.5 years of remote follow-up for cardiac implants during the COVID-19 pandemic to analyze its effectiveness and organization.
- A total of 1,937 patients participated, with 1,409 continuing under remote monitoring, showing high transmission success rates (96.6% for automatic vs. 87% for manual systems).
- Conventional in-hospital visits dropped by 44%, while clinic operational time reduced to 25% less than before, indicating a shift towards effective remote healthcare management.
The world's longest lasting VVI pacemaker device for over 40 years.
J Cardiovasc Electrophysiol
July 2024
First Cardiology Department, General Hospital of Nikea-Piraeus, Nikea Attikis, Greece.
Article Synopsis
- Implantable permanent pacemakers typically function for 8.8-12.4 years, but this case highlights a VVI pacemaker that has performed well for an impressive 40 years post-implantation.
- Recent tests showed that the pacemaker continues to work normally, with specific metrics indicating a steady heart rate and a high percentage of paced beats without malfunction.
- The findings suggest that ongoing manufacturer focus on increasing energy capacity in future devices could enhance longevity for patients with implantable pacemakers.
Forensic perspectives on postmortem CIED interrogation: A systematic review and meta-analysis.
Forensic Sci Int
June 2024
Department of Excellence of Biomedical Science and Public Health - Section of Legal Medicine - University Politecnica delle Marche of Ancona, Via Tronto 10/A, Ancona, Italy. Electronic address:
Article Synopsis
- * Researchers analyzed 25 studies involving 3,194 decedents with CIEDs, focusing on the rates of postmortem interrogation and autopsy outcomes, as well as the final rhythms detected and their implications for determining cause and time of death.
- * Findings revealed a high postmortem interrogation success rate (89%) but significant variability across studies, with 24% of CIED carriers experiencing sudden cardiac death, highlighting the importance of these devices in forensic contexts.
Leadless Pacemaker Implantation in Patients With a Prior Conventional Pacing System.
CJC Open
April 2024
Department of Cardiology, University Hospital Zurich, Zurich, Switzerland.
Article Synopsis
- Leadless pacemaker (LP) implantation is becoming a viable alternative for patients with prior conventional pacing systems (CPS), with a study analyzing its safety and effectiveness in 257 patients from two Swiss centers.
- Out of the patients studied, 24 had previous CPS, and a significant number (83%) required lead extraction due to various issues, while LP implantation showed low complication rates overall.
- Results indicated that LP implantation was effective and safe even in patients with prior CPS, as no infections or complications occurred after the procedures, contributing to positive outcomes in this population.
Beware of atrial pacing-induced ventricular depolarization: A case of lead malfunction.
Pacing Clin Electrophysiol
October 2024
Department of cardiology, The First Affiliated Hospital of Dalian Medical University, Dalian, China.
Article Synopsis
- A case is presented involving a pacemaker-dependent patient who experienced unusual ventricular capture during an atrial threshold test due to lead adhesion and insulation defects.
- After abandoning the faulty atrial lead and implanting a new one, there was a notable drop in ventricular impedance shortly after.
- The study highlights the importance of monitoring lead conditions, particularly at contact and bending sites, as lead adhesive wear can lead to atypical heart depolarization issues.
Safety of catheter ablation in patients with recently implanted cardiac implantable electronic device: A 5-year experience.
Pacing Clin Electrophysiol
July 2024
Department of Cardiovascular Medicine, The University of Kansas Health System, Kansas City, USA.
Article Synopsis
- Catheter ablation (CA) may affect the function of cardiac implantable electronic devices (CIEDs), and its safety during the first year after CIED implantation or lead revision is unclear.
- A study analyzed 170 CA procedures in patients who had a CIED procedure within the previous year, finding a very low rate of device malfunctions (only one lead dislodgement).
- While CA appears safe shortly after CIED procedures with minimal complications, the best timing for performing CA after CIED placement is still undetermined.
Diphtheria-Associated Myocarditis: Clinical Profiles and Mortality Trends in a Tertiary Care Hospital in Pakistan.
Cureus
March 2024
Pediatric Cardiology, Lady Reading Hospital, Peshawar, PAK.
Article Synopsis
- - The study investigates diphtheria-induced myocarditis in children, highlighting its public health significance in Pakistan despite ongoing immunization, particularly through recent outbreaks since 2022.
- - Conducted at Lady Reading Hospital, the research analyzed data from 73 pediatric patients, evaluating demographic information along with cardiac performance metrics such as ECG and echocardiography results.
- - Results indicated a variety of cardiac issues among patients, with most receiving anti-diphtheria serum treatment, and the study suggests further exploration of gender-based differences in clinical outcomes for enhancing care and prevention strategies.
Feasibility of cardiac magnetic resonance imaging in temporary permanent pacemaker implants in pediatric myocarditis and complete atrioventricular block.
J Arrhythm
April 2024
Division of Cardiac Electrophysiology and Pacing, Department of Cardiology Sree Chitra Tirunal Institute for Medical Sciences and Technology Thiruvananthapuram Kerala India.
Article Synopsis
- Diagnosing myocarditis in children with complete AV block is difficult, and temporary pacing support can be necessary until they recover.
- The report details three cases where cardiac magnetic resonance imaging (CMR) was successfully done while a temporary permanent pacemaker was in place, assessing its impact on image quality.
- The findings indicate that using a temporary pacemaker does not affect CMR image quality and is a reliable option for pacing in these patients.