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Pacemaker programming

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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
#1
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/28413855/frequency-of-pacemaker-malfunction-associated-with-monopolar-electrosurgery-during-pulse-generator-replacement-or-upgrade-surgery
#2
Yun Lin, Daniel P Melby, Balaji Krishnan, Selcuk Adabag, Venkatakrishna Tholakanahalli, Jian-Ming Li
PURPOSE: The aim of this study is to investigate the frequency of electrosurgery-related pacemaker malfunction. METHODS: A retrospective study was conducted to investigate electrosurgery-related pacemaker malfunction in consecutive patients undergoing pulse generator (PG) replacement or upgrade from two large hospitals in Minneapolis, MN between January 2011 and January 2014. The occurrence of this pacemaker malfunction was then studied by using MAUDE database for all four major device vendors...
April 17, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
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
#3
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/28398470/presyncopal-episodes-after-implantation-of-dual-chamber-pacemaker-programmed-in-safer-pacing-mode
#4
Rodrigo San Antonio, Eva M Benito, Jose M Tolosana, M Emilce Trucco, Lluís Mont
No abstract text is available yet for this article.
April 6, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28349399/imaging-of-chromosome-dynamics-in-mouse-testis-tissue-by-immuno-fish
#5
Harry Scherthan
The mouse (Mus musculus) represents the central mammalian genetic model system for biomedical and developmental research. Mutant mouse models have provided important insights into chromosome dynamics during the complex meiotic differentiation program that compensates for the genome doubling at fertilization. Homologous chromosomes (homologues) undergo dynamic pairing and recombine during first meiotic prophase before they become partitioned into four haploid sets by two consecutive meiotic divisions that lack an intervening S-phase...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28262258/safer-and-escape-junctional-rhythm-a-singular-trigger-for-pacemaker-mediated-tachycardia
#6
Pasquale Crea, Teresa Crea, Giuseppe Picciolo, Francesco Luzza
A 70-year-old man, who previously received a dual chamber pacemaker for paroxysmal AV block (Sorin Symphony DR 2550), was noted on telemetry to have multiple episodes of rapid ventricular pacing at approximately 120bpm. Evaluation of the telemetry strips revealed that all of the rapid ventricular pacing episodes were initiated by brief runs of escape junctional rhythm. Programmed bradycardia parameters were AAI SafeR with lower rate limit of 50bpm.
February 20, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/28254126/economic-value-and-cost-effectiveness-of%C3%A2-cardiac-resynchronization-therapy-among-patients-with-mild-heart-failure-projections-from-the-reverse-long-term-follow-up
#7
Michael R Gold, Amie Padhiar, Stuart Mealing, Manpreet K Sidhu, Stelios I Tsintzos, William T Abraham
OBJECTIVES: This study investigated the cost effectiveness of early cardiac resynchronization therapy (CRT) implantation among patients with mild heart failure (HF). The differential cost effectiveness between CRT using a defibrillator (CRT-Ds) and CRT using a pacemaker (CRT-P) was also assessed. BACKGROUND: Cardiac resynchronization has been shown to be cost effective in New York Heart Association (NYHA) functional classes III/IV but is less studied in class II HF...
March 2017: JACC. Heart Failure
https://www.readbyqxmd.com/read/28240694/improving-clinical-outcomes-for-patients-with-class-iii-heart-failure
#8
Melissa Shapiro, Angela Macci Bires, Kristen Waterstram-Rich, Thomas W Cline
Heart failure (HF) is a serious medical problem in the United States and is placing a financial strain on the health care system. It is the leading cause of mortality and as the overall incidence continues to increase, so does the economic impact on the health care system. Innovative treatment options, in the form of disease management programs and implantable cardiac devices, such as the CorVue capable implantable cardioverter defibrillator (ICD) pacemaker, offer the promise of an enhanced quality of life and reduced mortality...
April 2017: Critical Care Nursing Quarterly
https://www.readbyqxmd.com/read/28225684/assessing-the-risks-associated-with-mri-in-patients-with-a-pacemaker-or-defibrillator
#9
MULTICENTER STUDY
Robert J Russo, Heather S Costa, Patricia D Silva, Jeffrey L Anderson, Aysha Arshad, Robert W W Biederman, Noel G Boyle, Jennifer V Frabizzio, Ulrika Birgersdotter-Green, Steven L Higgins, Rachel Lampert, Christian E Machado, Edward T Martin, Andrew L Rivard, Jason C Rubenstein, Raymond H M Schaerf, Jennifer D Schwartz, Dipan J Shah, Gery F Tomassoni, Gail T Tominaga, Allison E Tonkin, Seth Uretsky, Steven D Wolff
BACKGROUND: The presence of a cardiovascular implantable electronic device has long been a contraindication for the performance of magnetic resonance imaging (MRI). We established a prospective registry to determine the risks associated with MRI at a magnetic field strength of 1.5 tesla for patients who had a pacemaker or implantable cardioverter-defibrillator (ICD) that was "non-MRI-conditional" (i.e., not approved by the Food and Drug Administration for MRI scanning). METHODS: Patients in the registry were referred for clinically indicated nonthoracic MRI at a field strength of 1...
February 23, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28224629/clinical-performance-of-magnetic-resonance-imaging-conditional-and-non-conditional-cardiac-implantable-electronic-devices
#10
Anand D Shah, Adarsh U Patel, Andrea Knezevic, Michael H Hoskins, David S Hirsh, Faisal M Merchant, Mikhael F El Chami, David B Delurgio, Anshul M Patel, Angel R Leon, Jonathan J Langberg, Michael S Lloyd
OBJECTIVES: This study compared risks associated with magnetic resonance imaging (MRI) in patients with non-MRI conditional and MRI conditional pacing and defibrillator systems with particular attention to clinically actionable outcomes. BACKGROUND: While recipients of new MRI conditional pacemaker and defibrillator systems may undergo MRI scanning with very low risk, safety and regulatory concerns persist regarding such scanning in recipients of non- MRI conditional systems...
February 22, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28212920/neonatal-lupus-follow-up-in-infants-with-anti-ssa-ro-antibodies-and-review-of-the-literature
#11
REVIEW
Antonio Alberto Zuppa, Riccardo Riccardi, Simonetta Frezza, Francesca Gallini, Rita Maria Paola Luciano, Giovanni Alighieri, Costantino Romagnoli, Sara De Carolis
Neonatal Lupus Syndrome (NLS) is a distinct clinical entity caused by transplacental passage of maternal anti-SSA/Ro antibodies (Ab). Mothers may have systemic lupus erythematosus, Sjögren syndrome, or other connective tissue disease, or may be completely healthy at the time of giving birth. NLS includes several clinical manifestations: complete congenital heart block (CCHB) and cutaneous lupus are the most common, while hepatobiliary disease, hematological manifestations and central nervous system involvement may occur...
April 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28169434/magnetic-resonance-imaging-in-non-dependent-pacemaker-patients-with-pacemakers-and-defibrillators-with-a-nearly-depleted-battery
#12
Hideo Okamura, Deepak Padmanabhan, Robert E Watson, Connie Dalzell, Nancy Acker, Mary Jondal, Abby L Romme, Yong-Mei Cha, Samuel J Asirvatham, Joel P Felmlee, Paul A Friedman
BACKGROUND: Magnetic resonance imaging (MRI) in patients with non-MRI-conditional cardiac implantable electronic devices (CIEDs) has been shown to be safe when performed under closely monitored protocols. However, the safety of MRI in patients with devices with a nearly depleted battery has not been reported. METHODS: Prospective data was collected between January 2008 and May 2015 in patients with non-MRI-conditional CIEDs undergoing clinically indicated MRI under institutional protocol...
February 7, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28129898/-loss-of-capture-by-myocardial-ischemia-a-case-report
#13
A Sonou, P M Adjagba, M Hounkponou, L Codjo, C Houéhanou-Sonou, S Assani, T Yessoufou, J Sacca, M Houénassi
We report the case of a patient with pacemaker who presented chest pain during exercise followed by fainting. He has a history of arterial hypertension and diabetes. The initial examination was normal; the ventricular stimulation threshold was 1.125 volts (V) and cardiac enzymes were normal. Stress test has reproduced chest pain followed by loss of pacemaker capture and asystole. Coronary angiography showed a tight stenosis of the proximal anterior interventricular artery dilated by a drug-eluting stent. The control of stress test was normal...
February 2017: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/28089649/magnetic-resonance-imaging-conditional-devices-luxury-or-real-clinical-need
#14
REVIEW
Sophie I Mavrogeni, George Poulos, Genovefa Kolovou, George Theodorakis
Although the risk of MRI scanning on patients with conventional devices is lower than initially thought, the patient's safety can only be guaranteed when using MRI-conditional devices. The most important modifications in MRI-conditional devices include a) Reduction in ferromagnetic components to reduce magnetic attraction and susceptibility artifacts; b) Replacement of the reed switch by a Hall sensor in order to avoid unpredictable reed switch behavior; c) Lead coil design to minimize lead heating and electrical current induction; d) Filter circuitry to prevent damage to the internal power supply; and e) Dedicated pacemaker programming to prevent inappropriate pacemaker inhibition and competing rhythms...
January 10, 2017: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
https://www.readbyqxmd.com/read/28075105/heart-failure-due-to-reduced-ejection-fraction-medical-management
#15
William E Chavey, Robrt V Hogikyan, R Van Harrison, John M Nicklas
Heart failure is an increasingly common condition resulting in high rates of morbidity and mortality. For patients who have heart failure and reduced ejection fraction, randomized clinical trials demonstrate consistent mortality benefit from angiotensin-converting enzyme inhibitors, angiotensin receptor blockers, direct-acting vasodilators, beta blockers, and aldosterone antagonists. Additionally, some data show benefits from two new classes of drugs: angiotensin receptor blocker/neprilysin inhibitor and sinus node modulator...
January 1, 2017: American Family Physician
https://www.readbyqxmd.com/read/27943391/icd-on-registry-for-perioperative-management-of-cieds-most-require-no-change
#16
MULTICENTER STUDY
Janet Gifford, Karen Larimer, Celia Thomas, Patricia May
BACKGROUND: There is significant variability in the perioperative management of patients with cardiac implanted electronic devices (CIEDs) undergoing procedures requiring electrosurgery. METHODS: We performed a multicenter registry from February 2014 to August 2015 at three suburban Chicago hospitals. Patients with transvenous CIEDs undergoing procedures requiring electrosurgery were assigned to one of three groups: (1) reprogram, (2) magnet, or (3) no change. Subjects with implantable cardioverter defibrillators (ICDs) or those pacemaker dependent having surgical procedures within 6 inches of their CIED were assigned to the reprogram group, whereby ICD therapies were programmed off with asynchronous pacing if pacemaker dependent...
February 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/27908173/pacemaker-and-icd-oversensing-induced-by-movements-near-the-mri-scanner-bore
#17
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
https://www.readbyqxmd.com/read/27871854/rate-adaptive-pacing-in-an-intracardiac-pacemaker
#18
Michael Lloyd, Dwight Reynolds, Todd Sheldon, Kurt Stromberg, J Harrison Hudnall, Wade M Demmer, Razali Omar, Philippe Ritter, John Hummel, Lluís Mont, Clemens Steinwender, Gabor Z Duray
BACKGROUND: The Micra transcatheter pacemaker was designed to have similar functionality to conventional transvenous VVIR pacing systems. It provides rate adaptive pacing using a programmable 3-axis accelerometer designed to detect patient activity in the presence of cardiac motion. OBJECTIVE: The purpose of this study was to evaluate the system's performance during treadmill tests to maximum exertion in a subset of patients within the Micra Transcatheter Pacing Study...
February 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/27799257/defibrillators-selecting-the-right-device-for-the-right-patient
#19
REVIEW
Sana M Al-Khatib, Paul Friedman, Kenneth A Ellenbogen
Advances in the field of defibrillation have brought to practice different types of devices that include the transvenous implantable cardioverter-defibrillator (ICD) with or without cardiac resynchronization therapy, the subcutaneous ICD (S-ICD), and the wearable cardioverter-defibrillator. To ensure optimal use of these devices and to achieve best patient outcomes, clinicians need to understand how these devices work, learn the characteristics of patients who qualify them for one type of device versus another, and recognize the remaining gaps in knowledge surrounding these devices...
November 1, 2016: Circulation
https://www.readbyqxmd.com/read/27738069/safety-of-magnetic-resonance-scanning-without-monitoring-of-patients-with-pacemakers
#20
Litten Bertelsen, Helen Høgh Petersen, Berit Thornvig Philbert, Jesper Hastrup Svendsen, Carsten Thomsen, Niels Vejlstrup
AIMS: The objective of this study was to investigate whether it is safe to perform 1.5-Tesla magnetic resonance imaging (MRI) scans in pacemaker (PM) patients without pulse oximetry or electrocardiogram monitoring and with no special specific absorption rate (SAR) or time limits, provided that the PMs are interrogated and programmed to asynchronous mode prior to the scan. METHODS AND RESULTS: This study reports the outcome of 207 MRI scans on PM patients at Rigshospitalet, Copenhagen University Hospital from June 2010 to September 2013...
October 12, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
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