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https://www.readbyqxmd.com/read/28432849/upper-extremity-deep-venous-thrombosis-and-stenosis-after-implantation-of-pacemakers-and-defibrillators-a-prospective-study
#1
Morteza Safi, Mohammad Ali Akbarzadeh, Azadeh Azinfar, Mohammad Hasan Namazi, Isa Khaheshi
BACKGROUND: Obstruction of the access vein following cardiac pacemaker and defibrillator implantation is a common complication. However, the exact incidence and contributing risk factors are unknown. The aim of this study is to determine the incidence and analyze the contribution of each risk factor. METHODS: 57 consecutive patients candidate for their first transvenous pacemaker, implantable cardioverter-defibrillator (ICD), or cardiac resynchronization therapy device implantation were enrolled...
April 22, 2017: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
https://www.readbyqxmd.com/read/28431061/high-prevalence-of-arrhythmic-and-myocardial-complications-in-patients-with-cardiac-glycogenosis-due-to-prkag2-mutations
#2
Julien Thevenon, Gabriel Laurent, Flavie Ader, Pascal Laforêt, Didier Klug, Anju Duva Pentiah, Laurent Gouya, Claude Alain Maurage, Salem Kacet, Jean-Christophe Eicher, Juliette Albuisson, Michel Desnos, Eric Bieth, Denis Duboc, Laurent Martin, Patricia Réant, François Picard, Claire Bonithon-Kopp, Elodie Gautier, Christine Binquet, Christel Thauvin-Robinet, Laurence Faivre, Patrice Bouvagnet, Philippe Charron, Pascale Richard
Aims: Mutations in PRKAG2, the gene encoding for the γ2 subunit of 5'-AMP-activated protein kinase (AMPK), are responsible for an autosomal dominant glycogenosis with a cardiac presentation, associating hypertrophic cardiomyopathy (HCM), ventricular pre-excitation (VPE), and progressive heart block. The aim of this study was to perform a retrospective time-to-event study of the clinical manifestations associated with PRKAG2 mutations. Methods and Results: A cohort of 34 patients from 9 families was recruited between 2001 and 2010...
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28431056/long-term-outcome-of-transvenous-pacemaker-implantation-in-infants-a-retrospective-cohort-study
#3
Laura M Vos, Janneke A E Kammeraad, Matthias W Freund, Andreas C Blank, Johannes M P J Breur
Aim: Evaluation of long-term outcome of transvenous pacemaker (PM) implantation in infants. Methods and Results: A retrospective analysis of all transvenous PM implantations in infants <10 kg between September 1997 and October 2001 was made. Indications for PM implantation, age at implantation, and determinants of long-term outcome including cardiac function, PM function, and PM (system) complications were noted. Seven patients underwent transvenous VVI(R) PM implantation...
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28430911/a-devices-game-of-thrones-cardiac-resynchronization-therapy-vs-pacemaker
#4
Sara Moura-Ferreira, Helena Gonçalves, Marco Oliveira, João Primo, Paulo Fonseca, José Ribeiro, Elisabeth Santos, Nuno Pelicano, Dinis Martins, Vasco Gama
Aims: Oversensing can interfere with biventricular pacing. Cardiac Resynchronization Therapy (CRT) output inhibition due to automatic brady mode change from a sensing to a pacing mode of a previously implanted pacemaker as it reached battery capacity depleted indicator has not been previously published in the medical literature. Methods and Results: We report the first case of CRT output inhibition in a pacemaker dependent patient due to electrical stimuli from a previously right-sided implanted pacemaker, after unaware reversion of OVO mode (O = no chambers paced; V = ventricular sensing; O = no response to sensing) to backup VVI (V = ventricular pacing; V = ventricular sensing; I = inhibitory response to sensing) when it reached the elective replacement interval...
April 18, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28430113/should-physicians-instead-of-industry-representatives-be-the-main-actor-of-cardiac-implantable-electronic-device-follow-up-super-follow-up
#5
Çağın Mustafa Üreyen, Cem Yunus Baş, İsa Öner Yüksel, Görkem Kuş, Göksel Çağırcı, Şakir Arslan
OBJECTIVE: This retrospective study sought to research the adequacy of the follow-up and optimization of cardiac implantable electronic devices (CIEDs) performed by industry representatives. METHODS: A total of 403 consecutive patients (35% females; median age, 67 years; age range 18-97 years) with either pacemakers (n=246), implantable cardioverter-defibrillators (ICDs), (n=117) or cardiac resynchronization therapy with defibrillator (CRT-D) (n=40) applied to our hospital's outpatient pacemaker clinic for follow-up...
April 19, 2017: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/28429537/preliminary-findings-on-the-safety-of-1-5-and-3-tesla-magnetic-resonance-imaging-in-cardiac-pacemaker-patients
#6
V F van Dijk, P P H M Delnoy, J J J Smit, R A Ramdat Misier, A Elvan, H W van Es, B J W M Rensing, G Raciti, L V A Boersma
INTRODUCTION: Modern pacemakers are designed to allow patients to undergo Magnetic Resonance Imaging(MRI) under a set of specific conditions. Aim of this study is to provide confirmatory evidence of safety and performance of a new pacing system (ImageReady™, Boston Scientific) in patients undergoing 1.5 and 3 Tesla(T) MRI. METHODS AND RESULTS: Two prospective, non-randomized, single-arm studies were designed to provide confirmatory data of no impact of MRI on device function, lead parameters and patient conditions in subjects implanted with the system undergoing a clinically non-indicated 1...
April 21, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28417288/troponin-t-elevation-after-permanent-pacemaker-implantation
#7
Xueying Chen, Ziqing Yu, Jin Bai, Shulan Hu, Wei Wang, Shengmei Qin, Jingfeng Wang, Zhe Sun, Yangang Su, Junbo Ge
PURPOSE: The objective of the study is to study the incidence, significance, and factors associated with cardiac troponin T (CTNT) elevation after pacemaker implantation. METHODS: Three hundred seventy-four patients (104 single-chamber pacemakers or ICD, 243 dual-chamber pacemakers, and 27 cardiac resynchronization therapy/cardiac resynchronization therapy defibrillator) who had normal levels of CTNT at baseline and underwent implantation of a permanent pacemaker system were included in this study...
April 18, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28414673/purulent-pericarditis-due-to-an-infected-pacemaker-lead
#8
Teresa Backes
INTRODUCTION: Intravenous drug users have a substantially increased risk of infective endocarditis, especially in the setting of implanted cardiac devices. Purulent pericarditis is a rare occurrence that can occur iatrogenically or through direct or hematogenous spread. CASE DESCRIPTION: A 75 year old man with a past medical history significant for hepatitis C, IV drug abuse, and sick sinus syndrome status post pacemaker was brought in by EMS with a chief complaint of diaphoresis and chest pain...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28414664/gonococcal-endocarditis-the-gift-that-stops-giving-an-uncommon-presentation-of-a-common-disease
#9
G Olayemi, M Oferczak, A Elagizi, I El-Abbassi, M Eschete, J Crowe
INTRODUCTION: Gonorrhea is the 2nd most common sexually transmitted disease in the US with 800,000 cases of gonorrhea each year. Disseminated gonorrhea infection occurs in 0.5 percent - 3 percent of these patients and is more frequent in woman younger than 40 years of age. CASE: A 36 year old woman with a history of polysubstance abuse presented with 10 day history of feeling generally unwell. At presentation, vitals were remarkable for tachycardia and hypotension...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28413854/use-of-a-pocket-compression-device-for-the-prevention-and-treatment-of-pocket-hematoma-after-pacemaker-and-defibrillator-implantation-stop-hematoma-i
#10
Mohit K Turagam, Darbhamulla V Nagarajan, Krzysztof Bartus, Akash Makkar, Vijay Swarup
BACKGROUND: Pocket hematoma is a recognized complication after placement of cardiac implantable electronic devices and is associated with increased device infection, length of hospitalization, and morbidity especially with uninterrupted antiplatelet agents and anticoagulants. We assessed the use of a post-surgical vest to decrease the incidence of pocket hematoma in patients undergoing device implantation with uninterrupted antiplatelet and anticoagulants. METHODS: In this observational study, a vest was used by 20 consecutive patients who were compared to 20 age-, gender-, procedure-matched patients who received standard care...
April 17, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28411213/allostery-modulates-the-beat-rate-of-a-cardiac-pacemaker
#11
Chung-Jung Tsai, Ruth Nussinov
The S672R mutation in heart cell ion channels leads to low heart rates and arrhythmia by an unknown route. A multifaceted NMR analysis now demonstrates that this mutant impacts allosteric coupling in domains inside of the cell to change channel activation, providing a mechanistic explanation for phenotypic outcomes.
April 14, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28407148/effects-of-closed-loop-stimulation-vs-ddd-pacing-on-haemodynamic-variations-and-occurrence-of-syncope-induced-by-head-up-tilt-test-in-older-patients-with-refrac-tory-cardioinhibitory-vasovagal-syncope-the-tilt-test-induced-response-in-closed-loop-stimulation
#12
Pietro Palmisano, Gabriele Dell'Era, Vincenzo Russo, Maria Zaccaria, Rolando Mangia, Miriam Bortnik, Federica De Vecchi, Ailia Giubertoni, Fabiana Patti, Andrea Magnani, Gerardo Nigro, Anna Rago, Eraldo Occhetta, Michele Accogli
Aims: Closed-loop stimulation (CLS) seemed promising in preventing the recurrence of vasovagal syncope (VVS) in patients with a cardioinhibitory response to head-up tilt test (HUTT) compared with conventional pacing. We hypothesized that the better results of this algorithm are due to its quick reaction in high-rate pacing delivered in the early phase of vasovagal reflex, which increase the cardiac output and the blood pressure preventing loss of consciousness. Methods and results: This prospective, randomized, single-blind, multicentre study was designed as an intra-patient comparison and enrolled 30 patients (age 62...
April 12, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28407126/mitral-valve-replacement-in-severely-calcified-mitral-valve-annulus-a-10-year-experience
#13
Kareem Salhiyyah, Hassan Kattach, Ahmed Ashoub, Diana Patrick, Szabolcs Miskolczi, Geoffrey Tsang, Sunil K Ohri, Clifford W Barlow, Theodore Velissaris, Steve Livesey
OBJECTIVES: Severe calcification in the mitral valve annulus is a challenging problem during mitral valve surgery. We describe our experience with mitral valve replacement in severely calcified mitral valve without decalcification of the annulus. METHODS: Between April 2001 and July 2011, 61 patients underwent mitral valve replacement with severe mitral annulus calcification without decalcification of the annulus. This retrospective study was performed to assess the surgical and the long-term postoperative outcomes in this group...
April 11, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28405096/cardiac-rehabilitation-for-a-skydiver-after-aortic-valve-replacement-for-pure-aortic-regurgitation-and-resection-of-the-ascending-aorta-complicated-by-active-infective-endocarditis-and-heart-block-requiring-a-pacemaker
#14
Tonja R Solomon, Sandra DeJong, Tim Bilbrey, Pasquale Carbone, Mark Campbell, Robert D Parker, Alessandra Lira, Diogo Amarante, Jeffrey M Schussler, Jenny Adams
A professional skydiver underwent aortic valve and ascending aorta replacement complicated by infective endocarditis with root abscess and pacemaker implantation. He then enrolled in the Baylor Heart and Vascular Hospital cardiac rehabilitation (CR) program as part of its specificity of testing and exercise training facility. He performed specific skydiving cardiovascular and muscular strength tests at the beginning and the end of the CR program. His pacemaker was interrogated to ascertain any arrhythmias or lead displacement over the course of the CR program...
April 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28405065/practical-and-ethical-considerations-in-the-management-of-pacemaker-and-implantable-cardiac-defibrillator-devices-in-terminally-ill-patients
#15
REVIEW
Mina M Benjamin, Christine A Sorkness
More than 4.5 million people worldwide live with an implanted pacemaker, including >3 million in the USA alone. Also, >0.8 million people in the USA have an implantable cardioverter defibrillator (ICD). Knowing the principles of managing these devices towards the end of life is important, as the interruption of their function may have serious consequences. This article provides health care providers who are not specialized in cardiac electrophysiology with an introduction to the general principles of management of pacemakers or ICD devices towards the end of life, with a suggested algorithm for approaching this process...
April 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28400936/clinical-profile-and-management-of-poisoning-with-suicide-tree-an-observational-study
#16
M Suraj Menon, Prasantha Kumar, C I Jayachandran
INTRODUCTION: The clinical features, management, and the associations of dosage in poisoning with the cardiotoxic plant Cerbera odollam (suicide tree), responsible for more than half of plant poisoning deaths in the South Indian State of Kerala alone, have not been evaluated. There are only few studies on its clinical features and none on the usage of cardiac pacing in its management, given its rarity in the Western world. We depend on data for similar toxins to form our management protocols...
October 2016: Heart Views: the Official Journal of the Gulf Heart Association
https://www.readbyqxmd.com/read/28398542/technical-performance-scores-are-predictors-of-midterm-mortality-and-reinterventions-following-congenital-mitral-valve-repair%C3%A2
#17
Elisabeth Martin, Pedro J Del Nido, Meena Nathan
OBJECTIVES: The Technical Performance Score (TPS) has been shown to be predictive of postoperative mortality, morbidities and reinterventions following various cardiac procedures in children. We hypothesized that TPS is also a predictor of mitral valve repair outcomes. METHODS: A review of patients who underwent mitral valve repair from January 2000 to December 2013 was performed. Primary repair of complete atrioventricular defect was excluded. The scores were determined according to previously published criteria based on the need for reintervention and predischarge echocardiograms: Class 1 (no residua), Class 2 (minor residua) or Class 3 (pacemaker implantation, major residua or reintervention for major residua prior to discharge)...
April 6, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28396904/prognosis-of-patients-with-implanted-pacemakers-in-4%C3%A2-year-follow-up-impact-of-right-ventricular-pacing-site
#18
K Krzemień-Wolska, A Tomasik, E Nowalany-Kozielska, W Jacheć
BACKGROUND: Pacing remains the method of choice for treatment of cardiac electrical conduction disorders. This study examined the interrelationship between the site of the right ventricular lead tip and patient prognosis in association with other cardiovascular risk factors over a 4‑year follow-up period. PATIENTS AND METHODS: The study comprised 450 consecutive patients (223 women; aged 69.16 ± 9.63 years) who had their first SSI or DDD pacemaker implanted for typical indications...
April 10, 2017: Herz
https://www.readbyqxmd.com/read/28396769/delayed-right-ventricular-defibrillation-lead-perforation-presenting-as-cardiac-tamponade-and-treated-surgically
#19
Masahiko Noguchi, Toshiko Nakai, Yuji Kawano, Kentaro Shibayama, Kotaro Obunai, Minoru Tabata, Hiroyuki Watanabe
Right ventricular perforation leading to cardiac tamponade can occur during the chronic phase after cardiac device implantation. Physicians who manage the pacemaker clinic must be alert to the wide range of symptoms and signs that can accompany delayed right ventricular perforation. Surgical rather than percutaneous lead extraction may be prudent.
April 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28396380/permanent-leadless-cardiac-pacemaker-therapy-a-comprehensive-review
#20
REVIEW
Fleur V Y Tjong, Vivek Y Reddy
A new technology, leadless pacemaker therapy, was recently introduced clinically to address lead- and pocket-related complications in conventional transvenous pacemaker therapy. These leadless devices are self-contained right ventricular single-chamber pacemakers implanted by using a femoral percutaneous approach. In this review of available clinical data on leadless pacemakers, early results with leadless devices are compared with historical results with conventional single-chamber pacing. Both presently manufactured leadless pacemakers show similar complications, which are mostly related to the implant procedure: cardiac perforation, device dislocation, and femoral vascular access site complications...
April 11, 2017: Circulation
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