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https://www.readbyqxmd.com/read/27932427/retrieval-of-the-leadless-cardiac-pacemaker-a-multicenter-experience
#1
Vivek Y Reddy, Marc A Miller, Reinoud E Knops, Petr Neuzil, Pascal Defaye, Werner Jung, Rahul Doshi, Mark Castellani, Adam Strickberger, R Hardwin Mead, Harish Doppalapudi, Dhanunjaya Lakkireddy, Matthew Bennett, Johannes Sperzel
BACKGROUND: Leadless cardiac pacemakers have emerged as a safe and effective alternative to conventional transvenous single-chamber ventricular pacemakers. Herein, we report a multicenter experience on the feasibility and safety of acute retrieval (<6 weeks) and chronic retrieval (>6 weeks) of the leadless cardiac pacemaker in humans. METHODS AND RESULTS: This study included patients enrolled in 3 multicenter trials, who received a leadless cardiac pacemaker implant and who subsequently underwent a device removal attempt...
December 2016: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/27926465/freestyle-stentless-bioprosthesis-for-aortic-valve-therapy-17-year-clinical-results
#2
Juergen Ennker, Markus Meilwes, Joern Pons-Kuehnemann, Bernd Niemann, Philippe Grieshaber, Ina C Ennker, Andreas Boening
BACKGROUND: Aortic valve replacement with stentless bioprostheses has been shown to produce lower aortic gradients than stented bioprostheses, thus facilitating left ventricular mass regression and preventing heart failure. We sought to determine the long-term results of stentless biological aortic valve replacement over a 17-year follow-up. METHODS: Between 1996 and 2012, 2551 patients underwent isolated aortic valve replacement with a stentless prosthesis (Medtronic Freestyle) at a single center...
November 2016: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/27925339/incidence-of-cardiac-perforation-with-conventional-and-with-leadless-pacemaker-systems-a-systematic-review-and-meta-analysis
#3
Mate Vamos, Julia W Erath, Alexander P Benz, Zsolt Bari, Gabor Z Duray, Stefan H Hohnloser
INTRODUCTION: Two leadless pacemaker (PM) systems were recently developed to avoid pocket- and lead-related complications. As leadless PMs are implanted with a large delivery catheter, cardiac perforation remains a major safety concern. We aimed to provide a literature review on incidence of cardiac perforation with conventional and with leadless PM systems. METHODS AND RESULTS: A systematic review over the last 25 years for studies reporting data on PM lead perforation was performed...
December 7, 2016: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/27922811/the-number-of-recalled-leads-is-highly-predictive-of-lead-failure-results-from-the-pacemaker-and-implantable-defibrillator-leads-survival-study-paidless
#4
Daniel J Kersten, Jinju Yi, Alyssa M Feldman, Kunal Brahmbhatt, Wilbur J Asheld, Joseph Germano, Shahidul Islam, Todd J Cohen
OBJECTIVES: The purpose of this study was to determine if implantation of multiple recalled defibrillator leads is associated with an increased risk of lead failure. BACKGROUND: The authors of the Pacemaker and Implantable Defibrillator Leads Survival Study ("PAIDLESS") have previously reported a relationship between recalled lead status, lead failure, and patient mortality. This substudy analyzes the relationship in a smaller subset of patients who received more than one recalled lead...
December 2016: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/27916776/favorable-clinical-outcomes-of-transcatheter-aortic-valve-implantation-in-japanese-patients%C3%A3-first-report-from-the-post-approval-k-tavi-registry
#5
Shinya Takimoto, Naritatsu Saito, Kenji Minakata, Shinichi Shirai, Akihiro Isotani, Yoshio Arai, Michiya Hanyu, Tatsuhiko Komiya, Takeshi Shimamoto, Tsuyoshi Goto, Yasushi Fuku, Natsuhiko Ehara, Yutaka Furukawa, Tadaaki Koyama, Atsuhi Nagasawa, Toshihiro Tamura, Makoto Miyake, Kazuo Yamanaka, Hisashi Sakaguchi, Koichiro Murata, Tomoya Onodera, Fumio Yamazaki, Masanao Nakai, Tomohiko Taniguchi, Ryuzo Sakata, Takeshi Kimura
BACKGROUND: Very limited data exist on the outcomes of transcatheter aortic valve implantation (TAVI) since Japanese marketing approval of the first TAVI device.Methods and Results:The Kyoto University-related hospital Transcatheter Aortic Valve Implantation (K-TAVI) registry includes prospectively collected data from 6 participating hospitals in Japan. We included 302 patients with severe aortic stenosis who underwent TAVI using the SAPIEN XT balloon-expandable valve via transfemoral (TF; n=203, 67%) or transapical (TA; n=99, 33%) approach between October 2013 and September 2015...
December 3, 2016: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/27913077/pyloric-obstruction-secondary-to-epicardial-pacemaker-implantation-a-case-report
#6
G Bedoya Nader, H B Kellihan, D E Bjorling, J McAnulty
A 10-year old Lhasa Apso dog was presented for an acute history of exercise intolerance and hind limb weakness. High grade second degree atrioventricular block with an atrial rate of 200 beats per minute, ventricular rate of 40 beats per minute and an intermittent ventricular escape rhythm, was diagnosed on electrocardiograph. A transdiaphragmatic, unipolar, epicardial pacemaker was implanted without immediate surgical complications. Severe vomiting was noted 12 h post-operatively. Abdominal ultrasound and a barium study supported a diagnosis of pyloric outflow obstruction and exploratory abdominal surgery was performed...
November 29, 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27910302/description-of-asymptomatic-takotsubo-cardiomyopathy-after-dual-chamber-pacemaker-implantation-are-inverted-t-waves-always-related-to-cardiac-memory
#7
Ludovico Lazzari, Federica DI Meo, Alessandra Crocetti, Michele Castelli, Chiara Marini, Stefano Donzelli, Daniella Bovelli, Giovanni Carreras, Enrico Boschetti
No abstract text is available yet for this article.
February 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/27910125/bioprosthetic-tricuspid-valve-replacement-for-tricuspid-valve-endocarditis-secondary-to-infected-endocardial-pacemaker-leads
#8
Zhiwei Xu, Qiuxia Shi, Ju Mei, Yan Tan
BACKGROUND: The purpose of this study was to present outcomes of bioprosthetic tricuspid valve replacement (TVR) in patients with tricuspid valve infective endocarditis (TVIE). METHODS: From October 2001 to December 2015, 26 patients underwent a bioprosthetic TVR due to severe TVIE after endocardial pacemaker implantation. RESULTS: Staphylococcus species and Streptococcus species were the predominant microorganisms. Early 30-day hospital mortality was 0 (0%)...
December 1, 2016: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/27910058/gene-delivery-for-the-generation-of-bioartificial-pacemaker
#9
Patrick K W Chan, Ronald A Li
Electronic pacemakers have been used in patients with heart rhythm disorders for device-supported pacing. While effective, there are such shortcomings as limited battery life, permanent implantation of catheters, the lack of autonomic neurohumoral responses, and risks of lead dislodging. Here we describe protocols for establishing porcine models of sick sinus syndrome and complete heart block, and the generation of bioartificial pacemaker by delivering a strategically engineered form of hyperpolarization-activated cyclic nucleotide-gated pacemaker channel protein via somatic gene transfer to convert atrial or ventricular muscle cardiomyocytes into nodal-like cells that rhythmically fire action potentials...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27909534/efficacy-and-safety-of-implantable-loop-recorder-experience-of-a-center
#10
Inês Silveira, Maria João Sousa, Nuno Antunes, Vânia Silva, Carla Roque, António Pinheiro-Vieira, Vítor Lagarto, António Hipólito-Reis, André Luz, Severo Torres
Introduction: Symptoms like syncope or palpitations frequently present a diagnostic challenge. An implantable loop recorder (ILR) is an important aid in the management of these patients. Methods: A retrospective study of patients that underwent ILR implantation from November 2007 to 2014. For each patient the indication for implantation, baseline characteristics, previous study, complications, recorded tracing and interventions were evaluated. Results: A total of 62 patients were included, 50% men, with a mean age of 62...
August 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909532/ajmaline-challenge-to-unmask-infrahisian-disease-in-patients-with-recurrent-and-unexplained-syncope-preserved-ejection-fraction-with-or-without-conduction-abnormalities-on-surface-ecg
#11
Francesco Pentimalli, Luca Bacino, Matteo Ghione, Giambattista Siri, Massimo Gazzarata, Paolo Bellotti
Background: Pharmacological challenge with class I antiarrhythmic drug is a recommended diagnostic test in patients with unexplained syncope only in the presence of bundle branch block, when non-invasive tests have failed to make the diagnosis. Its role in patients with minor or no conduction disturbances on 12-leads ECG has not been evaluated yet. It is also not clear which are the values of His-Ventricular interval to be considered diagnostic. We sought to evaluate the role of ajmaline challenge in unmasking the presence of an infrahisian disease in patients with recurrent and unexplained syncope, regardless of the existence of conduction disturbances on surface ECG...
August 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909528/influence-of-inter-electrode-atrial-lead-distance-on-acapconfirm%C3%A2-viability
#12
Lapuerta Irigoyen J A, Valverde Andre I, Vigil Escalera P, Gonzalez Vasserot M
Introduction: The AcapConfirm™ feature available with the Zephyr pacemaker family (St. Jude Medical) is designed for monitoring patient's atrial capture threshold periodically, and automatically adjusting the atrial pulse amplitude. Previous studies showed a relative low proportion of patients at three months follow-up with recommended automatic atrial capture after the AcapConfirm™ viability test. The purpose of the present study is to evaluate the effect of inter electrode distance on the viability of the AcapConfirm™ algorithm...
August 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909527/diagnostic-and-management-difficulties-of-complete-atrioventricular-block-in-children-in-marrakech-a-report-of-three-cases-with-a-review-of-the-literature
#13
Mounia Khramaz Md, Salwa Elkarimi, Dounia Benzerroual, Mustapha Elhattaoui, Fahd Aboutofail, Drissi Boumzebra, Rachid Elhaouati
Complete atrioventricular (AV) block is a rare affection in children. It is the consequence of abnormal conduction tissue within a cardiac malformation or it is due to cardiac injury. Yet the etiology of late complete atrioventricular block in child remains mostly unknown. The treatment of children's Complete atrioventricular block is the implantation of a pacemaker with immediate results satisfactory in the absence of associated cardiomyopathy. In this observation we will treat three cases.
August 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909517/safety-and-utility-of-cardiac-mri-in-a-patient-with-pericardial-effusion-and-a-recently-implanted-conventional-pacemaker
#14
Hussam Ali Md Fesc, Epicoco Epicoco Md, Antonio Sorgente Md PhD Fhrs, Pierpaolo Lupo Md, Riccardo Cappato Md Fhrs Fesc
Cardiac MRI is usually not recommended in the acute phase after pacemaker implantation, particularly for conventional devices. This case concerns a 66-year-old patient who developed significant pericardial effusion subacutely after implantation of a dual-chamber, conventional pacemaker. Cardiac MRI was planned to elucidate the characteristics of the pericardial effusion and was performed under controlled conditions without any consequences. Images analysis was very helpful to reveal the non-hemorrhagic nature of the pericardial effusion and correct endocardial position of the leads...
June 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909513/assessment-of-sinoatrial-node-function-in-patients-with-persistent-and-long-standing-persistent-forms-of-atrial-fibrillation-after-maze-iii-procedure-combined-with-mitral-valve-operation
#15
Kulikov Aleksei A, Bokeria Leo A
RESEARCH OBJECTIVE: Assessment of sinoatrial node function after Maze III procedure combined with a mitral valve operation. METHODS: 100 patients were included in the research with persistent and long-standing persistent forms of atrial fibrillation (AF) and need of operative treatment concerning valve disease. The following preoperative preparation methods were executed to all patients: Electrocardiogram in 12 standard assignments;Two-dimensional echocardiographic with assessment of systolic and diastolic functions of the left ventricle, size of the left atrium and grade of valve disease;Transesophageal echocardiography for exclusion of blood clots in the left atrium and left atrial appendage;Coronary angiography for exclusion of coronary heart disease;Computer tomography for examination of cardiac chambers and anatomic characteristics of pulmonary veins...
June 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909511/internal-jugular-vein-complete-thrombosis-after-dual-chamber-pacemaker-implant
#16
Angelo Placci, Maria Mattioli, Maria Francesca Notarangelo, Gianluca Gonzi, Marco Zardini
Venous thrombosis after pacemaker implant is a known, although often underrecognized condition that can challenge system revision or upgrading, leading occasionally to thromboembolic complications. Several factors are considered to promote thrombus formation. Among them, alteration of blood flow mechanics due to the presence of catheters in the vessel lumen may itself play a pivotal role. Hereby we present the case of a 65-year old men who underwent a dual-chamber pacemaker implant in another institute for sick sinus syndrome by means of left cephalic venous access...
June 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909508/arguments-to-apply-epinephrine-for-pocket-hematoma-reduction-the-maitre-study
#17
REVIEW
Nikolay Ilov Md, Nikolay Ilov Md, Anatoly Nechepurenko Md, Albert Abdulkadyrov, Damir Paskeev, Elena Damrina, Elena Kulikova, Marina Terent'eva, Dinara Stompel, Dmitry Tarasov Md
Pocket hematoma (PH) is a common complication of implantations of cardiac electrophysiological devices with occurring at a particularly high rate in patients on oral anticoagulation or antiplatelet treatment. Different pharmacological agents with hemostatic effect are used to avoid PH. We supposed that the vasoconstrictor effects of epinephrine may reduce bleeding extent and be effective in prevention of PH. Maitre is the first clinical trial conducted with an aim to show the safety and efficacy of epinephrine in PH prophylaxis...
June 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27908765/long-term-requirement-for-pacemaker-implantation-after-cardiac-valve-replacement-surgery
#18
Francisco Leyva, Tian Qiu, David McNulty, Felicity Evison, Howard Marshall, Maurizio Gasparini
BACKGROUND: The risk of permanent pacemaker implantation (PPI) after cardiac valve replacement surgery is thought be highest in the post-operative period. Long-term risks are uncertain. OBJECTIVE: To determine rates and timing of PPI after valve replacement surgery. METHODS: We compared PPI rates patients undergoing aortic (AVR, n = 111,674), mitral (MVR, n = 18,402) valve replacement, AVR+MVR (n = 5,166) or AVR + MVR and tricuspid valve replacement (TVR, n = 114) or CABG without valve replacement (n=249,742)...
November 28, 2016: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/27908579/transient-elastography-in-patients-with-implanted-cardiac-rhythm-devices
#19
Mireen Friedrich-Rust, Fabian Schoelzel, Sven Linzbach, Joerg Bojunga, Stefan Zeuzem, Florian Seeger
BACKGROUND: At present the use of transient elastography (TE) in patients with pacemaker (PM) or implantable cardioverter defibrillator (ICD) devices is not recommended, since the safety due to the electromagnet embarked in the vibrator for producing the shearwave has not been evaluated. However, no adverse events of sonographic examinations in this patient group have been reported. AIMS: The aim of the present study was to evaluate the safety of TE in patients with PM or ICD...
November 17, 2016: Digestive and Liver Disease
https://www.readbyqxmd.com/read/27908173/pacemaker-and-icd-oversensing-induced-by-movements-near-the-mri-scanner-bore
#20
E Mattei, F Censi, G Calcagnini, R Falsaperla, E Genovese, A Napolitano, V Cannatà
PURPOSE: The effect of the movement near the MRI scanner bore for people with a pacemaker (PM) or an implantable cardioverter defibrillator (ICD) is experimentally evaluated and discussed. METHODS: The authors performed in vitro measurements on a saline-filled human-shaped phantom (male, 170 cm height), equipped first with an MR-conditional PM (bicameral configuration, DDD programming), then with an MR-conditional ICD (biventricular configuration, detection algorithms enable but shock delivery disable)...
December 2016: Medical Physics
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