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Cardiac telemetry

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https://www.readbyqxmd.com/read/28432853/an-evidence-based-approach-to-reducing-cardiac-telemetry-alarm-fatigue
#1
Ekta Srinivasa, Jaspreet Mankoo, Charles Kerr
BACKGROUND: It is estimated that between 80% and 99% of alarms in the clinical areas are in actionable alarms (Gross, Dahl, & Nielson). Alarm management is one of the Joint Commission's National Patient Safety Goals (2014) because sentinel events have directly been linked to the devices generating these alarms. PURPOSE: At an acute care facility in Boston, a multidisciplinary team consisting of Nursing, Biomedical Engineers, Patient Safety and Providers was formed to conduct a pilot study on the state of telemetry alarms on a surgical floor...
April 22, 2017: Worldviews on Evidence-based Nursing
https://www.readbyqxmd.com/read/28404615/myeloperoxidase-mediates-postischemic-arrhythmogenic-ventricular-remodeling
#2
Martin Mollenhauer, Kai Friedrichs, Max Lange, Jan Gesenberg, Lisa Remane, Christina Kerkenpaß, Jenny Krause, Johanna Schneider, Thorben Ravekes, Martina Maass, Marcel Halbach, Gabriel Peinkofer, Tomo Saric, Dennis Mehrkens, Matti Adam, Florian G Deuschl, Denise Lau, Birgit Geertz, Kashish Manchanda, Thomas Eschenhagen, Lukas Kubala, Tanja K Rudolph, Yuping Wu, Wh W Tang, Stanley L Hazen, Stephan Baldus, Anna Klinke, Volker Rudolph
Rationale: Ventricular arrhythmias remain the leading cause of death in patients suffering myocardial ischemia. Myeloperoxidase (MPO), a heme-enzyme released by polymorphonuclear neutrophils, accumulates within ischemic myocardium and has been linked to adverse left ventricular remodeling. Objective: To reveal the role of MPO for the development of ventricular arrhythmias. Methods and Results: In different murine models of myocardial ischemia MPO deficiency profoundly decreased vulnerability for ventricular tachycardia (VT) upon programmed right ventricular and burst stimulation and spontaneously as assessed by ECG telemetry following isoproterenol injection...
April 12, 2017: Circulation Research
https://www.readbyqxmd.com/read/28401682/guideline-based-intervention-to-reduce-telemetry-rates-in-a-large-tertiary-centre
#3
Satish Ramkumar, Edward H Tsoi, Ajay Raghunath, Floyd F Dias, Christopher Li Wai Suen, Andrew H Tsoi, Darren R Mansfield
BACKGROUND: Inappropriate cardiac telemetry use is associated with reduced patient flow and increased health care costs. AIM: To evaluate the outcomes of guideline-based application of cardiac telemetry. METHODS: Phase I involved a prospective audit(03-09/2011) of telemetry use at a tertiary hospital. Data was collected on indication for telemetry and clinical outcomes. Phase II prospectively included patients > 18yrs under general medicine requiring ward based telemetry...
April 12, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28393015/epileptic-angina
#4
Sachin Sureshbabu, Dinesh Nayak, Sudhir Peter, Chindripu Sobhana, Gaurav Mittal
PURPOSE: To investigate the probable ictal origin of unexplained episodic chest pain and if possible to lateralize and localize the epileptic focus. METHODS: A 14 year old boy presented with episodic short lasting localized chest pain. His cardiac and other systemic work-up were normal. MRI brain did not reveal any structural pathology. Video telemetry was done for characterization of the paroxysms. RESULTS: Interictal record showed left fronto-central epileptiform discharges...
2017: Epilepsy & Behavior Case Reports
https://www.readbyqxmd.com/read/28377295/frequency-of-medical-emergency-team-activation-prior-to-pediatric-cardiopulmonary-resuscitation
#5
Natalie Jayaram, Maya L Chan, Fengming Tang, Christopher S Parshuram, Paul S Chan
BACKGROUND: Medical Emergency Teams (METs) are designed to respond to signs of clinical decline in order to prevent cardiopulmonary arrest and reduce mortality. The frequency of MET activation prior to pediatric cardiopulmonary resuscitation (CPR) is unknown. METHODS: Within the Get With The Guidelines-Resuscitation Registry (GWTG-R), we identified children with bradycardia or cardiac arrest requiring CPR on the general inpatient or telemetry floors from 2007 to 2013...
April 1, 2017: Resuscitation
https://www.readbyqxmd.com/read/28355616/medical-evacuations-in-the-oil-and-gas-industry-a-retrospective-review-with-implications-for-future-evacuation-and-preventative-strategies%C3%A2
#6
Sharyn Toner, Derkje H Andrée Wiltens, Johannes Berg, Hector Williams, Susan Klein, Simon Marshall, Neil Nerwich, Ryan Copeland
BACKGROUND: Businesses increasingly conduct operations in remote areas where medical evacuation [Medevac(s)] carries more risk. Royal Dutch Shell developed a remote healthcare strategy whereby enhanced remote healthcare is made available to the patient through use of telemedicine and telemetry. To evaluate that strategy, a review of Medevacs of Shell International employees [i.e. expatriate employees (EEs) and frequent business travellers (FBTs)] was undertaken. METHOD: A retrospective review of Medevac data (period 2008-12) that were similar in operational constraints and population profile was conducted...
May 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28336343/viral-delivered-gene-therapy-to-treat-catecholamine-dependent-polymorphic-ventricular-tachycardia-cpvt2-in-mouse-models
#7
Efrat Kurtzwald-Josefson, Dor Yadin, Shiraz Harun-Khun, Maayan Waldman, Dan Aravot, Asher Shainberg, Michael Eldar, Edith Hochhauser, Michael Arad
BACKGROUND: The recessive form of catecholaminergic polymorphic ventricular tachycardia (CPVT2) is caused by mutations in cardiac calsequestrin (CASQ2), leading to protein defficiency. OBJECTIVE: To develop a viral-delivered gene therapy for CPVT2 and determine the relationship between CASQ2 expression and the antiarrhythmic efficacy in a murine model. METHODS: We used a murine model of CPVT2 caused by the D307H human mutation (CASQ2(D307H)) or CASQ2 knock-out (CASQ2(Δ/Δ))...
March 20, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28329164/large-animal-model-of-functional-tricuspid-regurgitation-in-pacing-induced-end-stage-heart-failure
#8
Marcin Malinowski, Alistair G Proudfoot, David Langholz, Lenora Eberhart, Michael Brown, Hans Schubert, Jeremy Wodarek, Tomasz A Timek
OBJECTIVES: Functional tricuspid regurgitation (FTR) is common in patients with advanced heart failure and frequently complicates left ventricular assist device implantation yet remains poorly understood. We set out to establish large animal model of FTR that could serve as a research platform to investigate the pathogenesis of FTR associated with end-stage heart failure. METHODS: : Through right thoracotomy, ten adult sheep underwent implantation of pacemaker with epicardial LV lead, five sonomicrometry crystals on the right ventricle, and left and right ventricular telemetry pressure sensors during a beating heart off-pump procedure...
February 21, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28288007/clinical-utility-of-the-heart-score-in-patients-admitted-with-chest-pain-to-an-inner-city-hospital-in-the-usa
#9
Soumya Patnaik, Mahek Shah, Yaser Alhamshari, Pradhum Ram, Ritika Puri, Marvin Lu, Percy Balderia, John B Imms, Obiora Maludum, Vincent M Figueredo
BACKGROUND: Chest pain is one of the most common presentations to a hospital, and appropriate triaging of these patients can be challenging. The HEART score has been used for such purposes in some countries and only a few validation studies from the USA are available. We aim to determine the utility of the HEART score in patients presenting with chest pain to an inner-city hospital in the USA. PATIENTS AND METHODS: We retrospectively screened 417 consecutive patients admitted with chest pain to the observation/telemetry units at Einstein Medical Center Philadelphia...
March 10, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28259551/diagnostic-yield-of-device-interrogation-in-the-evaluation-of-syncope-in-an-elderly-population
#10
Robert N D'Angelo, Christopher C Pickett
BACKGROUND: Device interrogation has become a standard part of the syncope evaluation for patients admitted with permanent pacemakers (PPM) or implantable cardiac defibrillators (ICD), although few studies have shown interrogation yields clinically useful data. The purpose of this study is to determine the diagnostic yield of device interrogation as well as other commonly performed tests in the workup of unexplained syncope in patients with previously implanted PPMs or ICDs. METHODS: We retrospectively reviewed records of 88 patients admitted to our medical center for syncope with previously implanted pacemakers between January 1, 2005 and January 1, 2015 using ICD-9 billing data...
February 27, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28237125/biomarkers-of-atrial-cardiopathy-and-atrial-fibrillation-detection-on-mobile-outpatient-continuous-telemetry-after-embolic-stroke-of-undetermined-source
#11
Denise Sebasigari, Alexander Merkler, Yang Guo, Gino Gialdini, Benjamin Kummer, Morgan Hemendinger, Christopher Song, Antony Chu, Shawna Cutting, Brian Silver, Mitchell S V Elkind, Hooman Kamel, Karen L Furie, Shadi Yaghi
BACKGROUND: Biomarkers of atrial dysfunction or "cardiopathy" are associated with embolic stroke risk. However, it is unclear if this risk is mediated by undiagnosed paroxysmal atrial fibrillation or flutter (AF). We aim to determine whether atrial cardiopathy biomarkers predict AF on continuous heart-rhythm monitoring after embolic stroke of undetermined source (ESUS). METHODS: This was a single-center retrospective study including all patients with ESUS undergoing 30 days of ambulatory heart-rhythm monitoring to look for AF between January 1, 2013 and December 31, 2015...
February 22, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28223123/proarrhythmia-liability-assessment-and-the-comprehensive-in-vitro-proarrhythmia-assay-cipa-an-industry-survey-on-current-practice
#12
Simon Authier, Michael K Pugsley, John E Koerner, Bernard Fermini, William S Redfern, Jean-Pierre Valentin, Hugo M Vargas, Derek J Leishman, Krystle Correll, Michael J Curtis
INTRODUCTION: The Safety Pharmacology Society (SPS) has conducted a survey of its membership to identify industry practices related to testing considered in the Comprehensive In vitro Proarrhythmia Assay (CiPA). METHODS: Survey topics included nonclinical approaches to address proarrhythmia issues, conduct of in silico studies, in vitro ion channel testing methods used, drugs used as positive controls during the conduct of cardiac ion channel studies, types of arrhythmias observed in non-clinical studies and use of the anticipated CiPA ion channel assay...
February 20, 2017: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/28127832/does-this-patient-need-telemetry-an-analysis-of-telemetry-ordering-practices-at-an-academic-medical-center
#13
Stephanie Chen, Sonali Palchaudhuri, Amber Johnson, Jeff Trost, Ileana Ponor, Sammy Zakaria
INTRODUCTION: The American Heart Association and Choosing Wisely campaign recommend guideline-based usage of telemetry. Inappropriate use leads to increased costs, alarm fatigue, and inefficient nursing care. This study assesses provider ordering practices for telemetry at a US-based academic hospital. METHODS: This retrospective study includes all telemetry orders in the medicine and progressive care units from April 2014 to March 2015. Indications were grouped into categories per American Heart Association guidelines...
January 27, 2017: Journal of Evaluation in Clinical Practice
https://www.readbyqxmd.com/read/28065821/an-evaluation-of-the-utility-of-lvdp-dt40-qa-interval-lvdp-dtmin-and-tau-as-indicators-of-drug-induced-changes-in-contractility-and-lusitropy-in-dogs
#14
Michael K Pugsley, Brian Guth, Alan Y Chiang, Jennifer M Doyle, Michael Engwall, Jean-Michel Guillon, Peter K Hoffmann, John E Koerner, Scott W Mittelstadt, Jennifer Beck Pierson, Eric I Rossman, Dustan R Sarazan, Stanley T Parish
INTRODUCTION: The importance of drug-induced effects on the inotropic state of the heart is well known. Unlike hemodynamic and cardiac electrophysiological methods, which have been routinely used in drug safety testing for years, the non-clinical assessment of drug effects on myocardial contractility is used less frequently with no established translation to humans. The goal of these studies was to determine whether assessment of alternate measures of cardiac inotropy could detect drug-induced changes in the contractile state of the heart using drugs known to have clinically relevant positive and negative effects on myocardial contractility...
January 5, 2017: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/27999689/bradycardia-associated-with-steroid-use-for-laryngeal-edema-in-an-adult-a-case-report-and-literature-review
#15
Preeti R John, Ariana Khaladj-Ghom, Kimberly L Still
Steroids are used for specific indications in the perioperative period to reduce laryngeal or spinal cord edema, or for prophylaxis and treatment of postoperative nausea and vomiting. Given the other potential causes for hemodynamic alterations in the perioperative setting, it is important for physicians to be aware of cardiovascular side effects of short term steroids. Changes in blood pressure and heart rate, cardiac dysrhythmias, and even death have been described in patients receiving short term intravenous steroids...
2016: Case Reports in Cardiology
https://www.readbyqxmd.com/read/27993561/loss-of-smooth-muscle-cell-disintegrin-and-metalloproteinase-17-transiently-suppresses-angiotensin-ii-induced-hypertension-and-end-organ-damage
#16
Mengcheng Shen, Jude Morton, Sandra T Davidge, Zamaneh Kassiri
Hypertension is associated with hypertrophy and hyperplasia of smooth muscle cells (SMCs). Disintegrin and metalloproteinase 17 (ADAM17) is a membrane-bound enzyme reported to mediate SMC hypertrophy through activation of epidermal growth factor receptor (EGFR). We investigated the role of ADAM17 in Ang II-induced hypertension and end-organ damage. VSMC was isolated from mice with intact ADAM17 expression (Adam17(f/f)) or lacking ADAM17 in the SMC (Adam17(f/f)/Cre(Sm22)). Human VSMCs were isolated from the aorta of donors, and ADAM17 deletion was achieved by siRNA transfection...
February 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/27964766/both-high-and-low-plasma-levels-of-25-hydroxy-vitamin-d-increase-blood-pressure-in-a-normal-rat-model
#17
Naghmeh Z Mirhosseini, Steven J Knaus, Kaylee Bohaychuk, Jaswant Singh, Hassan A Vatanparast, Lynn P Weber
The lower threshold plasma 25-hydroxy vitamin D (25(OH)D) level for optimal cardiovascular health is unclear, whereas the toxicity threshold is less clear. The aim of this study was to examine the cardiovascular-vitamin D dose-response curve in a normal rat model. Doses of cholecalciferol ranged from deficiency to toxic levels (equivalent to human doses of 0, 0·015, 0·25 and 3·75mg/d) for 4 weeks, and then cardiovascular health was examined using blood pressure telemetry and high-resolution ultrasound in normal male rats (n 16/group, 64 rats total)...
December 2016: British Journal of Nutrition
https://www.readbyqxmd.com/read/27943326/technologies-for-prolonging-cardiac-implantable-electronic-device-longevity
#18
REVIEW
Ernest W Lau
Prolonged longevity of cardiac implantable electronic devices (CIEDs) is needed not only as a passive response to match the prolonging life expectancy of patient recipients, but will also actively prolong their life expectancy by avoiding/deferring the risks (and costs) associated with device replacement. CIEDs are still exclusively powered by nonrechargeable primary batteries, and energy exhaustion is the dominant and an inevitable cause of device replacement. The longevity of a CIED is thus determined by the attrition rate of its finite energy reserve...
January 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/27895190/caveolin-1-deletion-prevents-hypertensive-vascular-remodeling-induced-by-angiotensin-ii
#19
Steven J Forrester, Katherine J Elliott, Tatsuo Kawai, Takashi Obama, Michael J Boyer, Kyle J Preston, Zhen Yan, Satoru Eguchi, Victor Rizzo
It has been proposed that membrane microdomains, caveolae, in vascular cells are critical for signal transduction and downstream functions induced by angiotensin II (AngII). We have tested our hypothesis that caveolin-1 (Cav1), a major structural protein of vascular caveolae, plays a critical role in the development of vascular remodeling by AngII via regulation of epidermal growth factor receptor and vascular endothelial adhesion molecule-1. Cav1(-/-) and control Cav(+/+) mice were infused with AngII for 2 weeks to induce vascular remodeling and hypertension...
January 2017: Hypertension
https://www.readbyqxmd.com/read/27799254/phosphodiesterase-2-protects-against-catecholamine-induced-arrhythmia-and-preserves-contractile-function-after-myocardial-infarction
#20
Christiane Vettel, Marta Lindner, Matthias Dewenter, Kristina Lorenz, Constanze Schanbacher, Merle Riedel, Simon Lämmle, Simone Meinecke, Fleur E Mason, Samuel Sossalla, Andreas Geerts, Michael Hoffmann, Frank Wunder, Fabian J Brunner, Thomas Wieland, Hind Mehel, Sarah Karam, Patrick Lechêne, Jérôme Leroy, Grégoire Vandecasteele, Michael Wagner, Rodolphe Fischmeister, Ali El-Armouche
RATIONALE: Phosphodiesterase 2 is a dual substrate esterase, which has the unique property to be stimulated by cGMP, but primarily hydrolyzes cAMP. Myocardial phosphodiesterase 2 is upregulated in human heart failure, but its role in the heart is unknown. OBJECTIVE: To explore the role of phosphodiesterase 2 in cardiac function, propensity to arrhythmia, and myocardial infarction. METHODS AND RESULTS: Pharmacological inhibition of phosphodiesterase 2 (BAY 60-7550, BAY) led to a significant positive chronotropic effect on top of maximal β-adrenoceptor activation in healthy mice...
January 6, 2017: Circulation Research
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