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Cardiac rhythm devices

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https://www.readbyqxmd.com/read/27920834/trends-and-determinant-factors-in-the-use-of-cardiac-resynchronization-therapy-devices-in-japan-analysis-of-the-japan-cardiac-device-treatment-registry-database
#1
Hisashi Yokoshiki, Akihiko Shimizu, Takeshi Mitsuhashi, Hiroshi Furushima, Yukio Sekiguchi, Tetsuyuki Manaka, Nobuhiro Nishii, Takeshi Ueyama, Norishige Morita, Takashi Nitta, Ken Okumura
BACKGROUND: The choice of cardiac resynchronization therapy device, with (CRT-D) or without (CRT-P) a defibrillator, in patients with heart failure largely depends on the physician׳s discretion, because it has not been established which subjects benefit most from a defibrillator. METHODS: We examined the annual trend of CRT device implantations between 2006 and 2014, and evaluated the factors related to the device selection (CRT-D or CRT-P) for primary prevention of sudden cardiac death in patients with heart failure by analyzing the Japan Cardiac Device Treatment Registry (JCDTR) database from January 2011 and August 2015 (CRT-D, n=2714; CRT-P, n=555)...
December 2016: Journal of Arrhythmia
https://www.readbyqxmd.com/read/27909501/-two-for-the-price-of-one-a-single-lead-implantable-cardioverter-defibrillator-system-with-a-floating-atrial-dipole
#2
REVIEW
Nicole E Worden Md, Musab Alqasrawi Md, Siva M Krothapalli Md, Alexander Mazur Md
In patients known to be a high risk for sudden cardiac arrest, implantable cardioverter defibrillators (ICD) are a proven therapy to reduce risk of death. However, in patients without conventional indications for pacing, the optimal strategy for type of device, dual- versus single-chamber, remains debatable. The benefit of prophylactic pacing in this category of patients has never been documented. Although available atrial electrograms in a dual chamber system improve interpretation of stored arrhythmia events, allow monitoring of atrial fibrillation and may potentially reduce the risk of inappropriate shocks by enhancing automated arrhythmia discrimination, the use of dual-chamber ICDs has a number of disadvantages...
April 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909500/cardiac-rhythm-device-threshold-testing-via-pulse-oxymetry
#3
Vladimir Fridman Md, Cesare Saponieri Md, Nabil El-Sherif Md Facc Fhrs, Gioia Turitto Md Facc Fhrs
Threshold testing of cardiac rhythm devices is essential to monitoring the proper functioning of such devices (1). However, the currently method of applying multiple ECG leads to the patient is burdensome and time consuming (2). We are presenting a completely new way to perform cardiac rhythm device threshold testing using pulse oximetry. Twenty patients, with varying cardiac rhythm devices and pacing modes, were enrolled and had their atrial and ventricular thresholds tested. A comparison was made between simultaneous threshold determinations via the standard EGM based method and the new pulse oximetry based method...
April 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909499/hyperacute-and-chronic-changes-in-cerebral-magnetic-resonance-images-after-pvac-nmarq-and-epicardial-thoracoscopic-surgical-ablation-for-paroxysmal-atrial-fibrillation
#4
Conn Sugihara Mbbs, Neil Barlow Mbbs, Emma Owens Mbbs, David Sallomi Mb ChB, Neil Sulke Md
Threshold testing of cardiac rhythm devices is essential to monitoring the proper functioning of such devices (1). However, the currently method of applying multiple ECG leads to the patient is burdensome and time consuming (2). We are presenting a completely new way to perform cardiac rhythm device threshold testing using pulse oximetry. Twenty patients, with varying cardiac rhythm devices and pacing modes, were enrolled and had their atrial and ventricular thresholds tested. A comparison was made between simultaneous threshold determinations via the standard EGM based method and the new pulse oximetry based method...
April 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27908579/transient-elastography-in-patients-with-implanted-cardiac-rhythm-devices
#5
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/27898337/complications-and-1-year-benefit-of-cardiac-resynchronization-therapy-in-patients-over-75-years-of-age-insights-from-the-german-device-registry
#6
Julia Köbe, Dietrich Andresen, Sebastian Maier, Christoph Stellbrink, Thomas Kleemann, Bernd-Dieter Gonska, Sebastian Reif, Matthias Hochadel, Jochen Senges, Lars Eckardt
OBJECTIVE: Evidence on cardiac resynchronization therapy (CRT) in older patients is scarce and conflicting. Nevertheless, CRT in the elderly is of major practical relevance as heart failure prevalence increases with age. METHODS: The German Device Registry (DEVICE) is a nationwide, prospective registry with a longitudinal follow-up design investigating device implantations in 60 German centres. The present analysis of DEVICE focussed on perioperative complication rates and 1-year outcome of patients ≥75years (n=320) compared to younger patients (n=879) receiving a CRT device...
November 10, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27892602/the-analog-blanking-period-of-implantable-cardiac-rhythm-devices
#7
S Serge Barold, Andreas Kucher
BACKGROUND: Analog blanking periods (BP) that hold down the display of electrograms (EGM) in cardiac rhythm devices have received much less attention than the well-known digital blanking periods which do not influence the EGM display. In Biotronik devices, when a paced event initiates an analog BP in one chamber [right atrium (RA), right ventricle (RV) or left ventricle (LV)], an identical cross-chamber analog BP starts in the other 2 chambers. METHODOLOGY: All clinical observations were recorded from patients with Biotronik devices...
November 28, 2016: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/27886923/atrioventricular-node-ablation
#8
REVIEW
Maurizio Gasparini
Cardiac resynchronization therapy (CRT) is a device-based, nonpharmacologic approach that has shown to improve the outcome in patients with heart failure in terms of mortality and morbidity reduction. Large randomized trials have virtually enrolled patients in New York Heart Association class III-IV, with reduced left ventricular ejection fraction, with evidence of electrical dyssynchrony, and receiving optimal medical therapy and who were in sinus rhythm. Guidelines remain imprecise as to defining differentiated approaches according to the forms of atrial fibrillation other than permanent...
January 2017: Heart Failure Clinics
https://www.readbyqxmd.com/read/27883348/-cognitive-emotion-regulation-of-patients-qualified-for-implantation-of-heart-rhythm-control-device
#9
Urszula Ziętalewicz, Jan Jędrzejczyk, Włodzimierz Mojkowski, Dariusz Mojkowski
: The aim of the artificial heart stimulation is not only saving lives, but also improvement of the quality of life of patients with cardiac arrhythmias. One of the key dimensions of quality of life is psychological functioning. Until now, little research assess this dimension in patients before the implantation of the heart rhythm control device. AIM: The aim of the study was to assess the severity of depression and anxiety and the frequency of the used cognitive emotion regulation strategies and to examine the relationship between them...
November 25, 2016: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/27875477/smartphone-based-arrhythmia-monitoring
#10
Paul Garabelli, Stavros Stavrakis, Sunny Po
The use of smartphones for arrhythmia monitoring is another leap for ECG utilization and arrhythmia detection - effectively taking the technology to any smartphone user. Smart wearable technology, while very common, is limited mostly to activity tracking and exercise motivation. Rhythm strip generating smartphone products (Kardia Mobile by AliveCor and ECG Check by Cardiac Designs) are more powerful at arrhythmia detection than wearable monitors. These products, which have been studied in a variety of situations, rely on an external device with metal sensors to create a rhythm strip, which is usually Lead I...
January 2017: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/27867292/new-impella-cardiac-power-device-used-in-patient-with-cardiogenic-shock-due-to-nonischemic-cardiomyopathy
#11
Marek Cena, Frances Karam, Rajesh Ramineni, Wissam Khalife, Alejandro Barbagelata
The new percutaneous Impella CP (Cardiac Power; Abiomed, Inc., Danvers, MA) was designed to provide a higher level of support than Impella 2.5 (Abiomed, Inc.). We present the first documented case of a patient that was transitioned from the Impella 2.5 to Impella CP. A 48-year-old male patient with no medical history was transferred to our institution with a one day history of worsening shortness of breath. The patient was unstable and found to have monomorphic ventricular tachycardia at 220 beats/min that was cardioverted to normal sinus rhythm...
December 2016: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/27865744/outcomes-of-sudden-cardiac-arrest-in-a-state-wide-integrated-resuscitation-program-results-from-the-minnesota-resuscitation-consortium
#12
Selcuk Adabag, Lucinda Hodgson, Santiago Garcia, Vidhu Anand, Ralph Frascone, Marc Conterato, Charles Lick, Keith Wesley, Brian Mahoney, Demetris Yannopoulos
BACKGROUND: Despite many advances in resuscitation science the outcomes of sudden cardiac arrest (SCA) remain poor. The Minnesota Resuscitation Consortium (MRC) is a statewide integrated resuscitation program, established in 2011, to provide standardized, evidence-based resuscitation and post-resuscitation care. The objective of this study is to assess the outcomes of a state-wide integrated resuscitation program. METHODS: We examined the trends in resuscitation metrics and outcomes in Minnesota since 2011 and compared these to the results from the national Cardiac Arrest Registry to Enhance Survival (CARES) program...
November 16, 2016: Resuscitation
https://www.readbyqxmd.com/read/27855290/transcatheter-leadless-cardiac-pacing-the-new-alternative-solution
#13
Antoine Da Costa, Amandine Axiotis, Cécile Romeyer-Bouchard, Loucif Abdellaoui, Zahi Afif, Jean Baptiste Guichard, Antoine Gerbay, Karl Isaaz
INTRODUCTION: A lack of information about the feasibility and safety of leadless pacemaker (LPMs) exists in a fragile population of patients with limited venous anatomy access or conventional pacemaker (PM) contraindication. Accordingly, the goal of this prospective observational study was to report our experience with this new leadless technology in a subset of patients with contraindication or limited venous access. METHODS AND RESULTS: Between May 2015 and July 2016, 14 patients were consecutively included...
November 9, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27836297/impact-of-early-initiation-of-corticosteroid-therapy-on-cardiac-function-and-rhythm-in-patients-with-cardiac-sarcoidosis
#14
Santosh K Padala, Samuel Peaslee, Mandeep S Sidhu, David A Steckman, Marc A Judson
BACKGROUND: There is limited data on the effect of corticosteroid therapy in patients with cardiac sarcoidosis (CS). We sought to examine the impact of early initiation of corticosteroid therapy, within a month of CS diagnosis, on left ventricular ejection fraction (LVEF), ventricular arrhythmias (VAs), and atrioventricular (AV) block. METHODS: We retrospectively identified 30 CS patients from a large university sarcoidosis clinic. The effect of early initiation of corticosteroid therapy on LVEF was assessed by serial echocardiography, and on VAs and AV block was assessed by Holter monitoring and/or device interrogations...
November 2, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27825715/spanish-pacemaker-registry-thirteenth-official-report-of-the-spanish-society-of-cardiology-working-group-on-cardiac-pacing-2015
#15
Marta Pombo Jiménez, Óscar Cano Pérez, María Luisa Fidalgo Andrés, Diego Lorente Carreño, Raúl Coma Samartín
INTRODUCTION AND OBJECTIVES: We describe the results of the analysis of the devices implanted and conveyed to the Spanish Pacemaker Registry in 2015. METHODS: The report is based on the processing of information provided by the European Pacemaker Patient Identification Card. RESULTS: We received information from 111 hospitals, with a total of 12 555 cards, representing 32.1% of all the estimated activity. The use of conventional generators and resynchronization devices was 820 and 73 units per million population, respectively...
November 4, 2016: Revista Española de Cardiología
https://www.readbyqxmd.com/read/27764240/feasibility-of-in-vivo-simulation-of-acute-hemodynamics-in-human-atrial-fibrillation
#16
Marek Sramko, Dan Wichterle, Josef Kautzner
This study evaluated hemodynamic feasibility and reproducibility of a new method for in vivo simulation of human atrial fibrillation (AF). The method was tested during sinus rhythm in 10 patients undergoing catheter ablation for AF. A simple electronic device was assembled that allowed triggering a cardiac stimulator by predefined series of RR intervals. Irregular RR interval sequences with a mean heart rate of 90/min and 130/min were obtained from ECG recordings of another patients with AF. Simultaneous atrioventricular pacing was delivered by catheters placed inside the coronary sinus and at the His bundle region...
2016: PloS One
https://www.readbyqxmd.com/read/27762510/long-term-mortality-in-patients-with-permanent-pacemaker-implantation
#17
Abraham Speedie, Cinosh Mathew, Ramgopal S Shahi, Rajneesh Calton
INTRODUCTION: The development of implantable technology for cardiac rhythm management remains one of the seminal achievements of the second half of the 20th century. The development of artificial pacemakers for the electrical control of the cardiac rhythm has greatly enhanced the physician's ability to treat cardiac dysrhythmias. An ageing population and the extension of indications will in all probability result in an increasing number of cardiac device implantations. OBJECTIVE OF STUDY: To study mortality and morbidity in patients with permanent pacemaker implantation at a tertiary care hospital in North India...
September 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27756556/silent-atrial-fibrillation-and-cryptogenic-strokes
#18
REVIEW
James E Dalen, Joseph S Alpert
A new suspected cause of cryptic strokes is "silent atrial fibrillation." Pacemakers and other implanted devices allow continuous recording of cardiac rhythm for months or years. They have discovered that short periods of atrial fibrillation lasting minutes or hours are frequent and usually are asymptomatic. A meta-analysis of 50 studies involving more than 10,000 patients with a recent stroke found that 7.7% had new atrial fibrillation on their admitting electrocardiogram. In 3 weeks during and after hospitalization, another 16...
October 15, 2016: American Journal of Medicine
https://www.readbyqxmd.com/read/27754946/clinical-implications-of-brief-device-detected-atrial-tachyarrhythmias-in-a-cardiac-rhythm-management-device-population-results-from-the-registry-of-atrial-tachycardia-and-atrial-fibrillation-episodes
#19
Steven Swiryn, Michael V Orlov, David G Benditt, John P DiMarco, Donald M Lloyd-Jones, Edward Karst, Fujian Qu, Mara T Slawsky, Melanie Turkel, Albert L Waldo
BACKGROUND: The RATE Registry (Registry of Atrial Tachycardia and Atrial Fibrillation Episodes) is a prospective, outcomes-oriented registry designed to document the prevalence of atrial tachycardia and/or fibrillation (AT/AF) of any duration in patients with pacemakers and implantable cardioverter defibrillators (ICDs) and evaluate associations between rigorously adjudicated AT/AF and predefined clinical events, including stroke. The appropriate clinical response to brief episodes of AT/AF remains unclear...
October 18, 2016: Circulation
https://www.readbyqxmd.com/read/27738057/clinically-guided-pacemaker-choice-and-setting-pacemaker-expert-programming-study
#20
Matteo Ziacchi, Pietro Palmisano, Ernesto Ammendola, Gabriele Dell'era, Federico Guerra, Stefano Aquilani, Vittorio Aspromonte, Giuseppe Boriani, Michele Accogli, Giuseppe Del Giorno, Eraldo Occhetta, Alessandro Capucci, Renato Pietro Ricci, Giampiero Maglia, Mauro Biffi
AIM: The aim of this multicentre, observational, transversal study was to evaluate pacemaker (PM) choice and setting in a large number of patients, in order to understand their relationship with the patients' clinical characteristics. METHODS AND RESULTS: The study enrolled a total of 1858 patients (71 ± 14 years, 54% male), consecutively evaluated during scheduled PM follow-up visits in 7 Italian cardiac arrhythmia centres. To evaluate the appropriateness of PM choice in relation to the patients' clinical characteristics, we analysed their rhythm disorders at the time of device implantation and the characteristics of the devices implanted...
October 13, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
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