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https://www.readbyqxmd.com/read/28449316/does-my-high-blood-pressure-improve-your-survival-overall-and-subgroup-learning-curves-in-health
#1
Raf Van Gestel, Tobias Müller, Johan Bosmans
Learning curves in health are of interest for a wide range of medical disciplines, healthcare providers, and policy makers. In this paper, we distinguish between three types of learning when identifying overall learning curves: economies of scale, learning from cumulative experience, and human capital depreciation. In addition, we approach the question of how treating more patients with specific characteristics predicts provider performance. To soften collinearity problems, we explore the use of least absolute shrinkage and selection operator regression as a variable selection method and Theil-Goldberger mixed estimation to augment the available information...
April 27, 2017: Health Economics
https://www.readbyqxmd.com/read/28446634/heartbeat-cardiac-resynchronization-therapy-with-or-without-defibrillation-are-women-different
#2
Catherine M Otto
No abstract text is available yet for this article.
May 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28446377/external-closed-circuit-cooling-system-for-management-of-patients-after-device-implantation-a-feasibility-study
#3
Fabrizio Giofrè, Paola Ferrari, Cristina Leidi, Maria Laura Foschi, Michele Senni, Paolo De Filippo
BACKGROUND: In the first 24h after pacemaker or implantable cardioverter/defibrillator (ICD) implantation or replacement, the occurrence of hematoma and pain in the surgically treated region is not infrequent and may result in re-intervention and/or more severe complications, such as infections. Currently, the post-implant phase management is very empiric. The aim of this study was to test the clinical applicability and usefulness of an external close-circuit cooling system for the management of the early post-implant period in patients with high risk of hematoma due to anticoagulant and/or antiplatelet therapy...
April 19, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28444773/mechanical-dispersion-and-global-longitudinal-strain-by-speckle-tracking-echocardiography-predictors-of-appropriate-implantable-cardioverter-defibrillator-therapy-in-hypertrophic-cardiomyopathy
#4
Ozkan Candan, Cetin Gecmen, Emrah Bayam, Ahmet Guner, Mehmet Celik, Cem Doğan
PURPOSE: In this study, we investigated whether mechanical dispersion which reflects electrical abnormality and other echocardiographic and clinic parameters predict appropriate ICD shock in patients undergone ICD implantation for hypertrophic cardiomyopathy. METHODS: Sixty-three patients who received ICD implantation for primary or secondary prevention were included in the study. Patients' clinical, electrocardiographic, 2D classic, and speckle tracking echocardiographic data were collected...
April 26, 2017: Echocardiography
https://www.readbyqxmd.com/read/28444174/catheter-ablation-for-ventricular-tachycardia-in-patients-with-cardiac-sarcoidosis-a-systematic-review
#5
Nikolaos Papageorgiou, Rui Providência, Konstantinos Bronis, Dirk G Dechering, Neil Srinivasan, Lars Eckardt, Pier D Lambiase
Aims: Cardiac sarcoidosis (CS) is associated with a poor prognosis. Important features of CS include heart failure, conduction abnormalities, and ventricular arrhythmias. Ventricular tachycardia (VT) is often refractory to antiarrhythmic drugs (AAD) and immunosuppression. Catheter ablation has emerged as a treatment option for recurrent VT. However, data on the efficacy and outcomes of VT ablation in this context are sparse. Methods and results: A systematic search was performed on PubMed, EMBASE, and Cochrane database (from inception to September 2016) with included studies providing a minimum of information on CS patients undergoing VT ablation: age, gender, VT cycle length, CS diagnosis criteria, and baseline medications...
April 21, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28444125/sudden-cardiac-death
#6
Jagdesh Kandala, Clint Oommen, Karl B Kern
Introduction: Sudden cardiac arrest continues to be the leading cause of death in the industrialized world. Sources of data: Original papers, reviews and guidelines. Areas of agreement: Community programs for lay bystander cardiopulmonary resuscitation (CPR) and automatic external defibrillation improve outcomes. Post-arrest care, including targeted temperature management (TTM) combined with early coronary angiography and percutaneous coronary intervention, is helpful for those suffering cardiac arrest during an ST-segment elevation myocardial infarction...
April 24, 2017: British Medical Bulletin
https://www.readbyqxmd.com/read/28443965/prognosis-determinants-after-cardioverter-defibrillators-implantation-in-brazil
#7
Arn Migowski, Regina Maria de Aquino Xavier, Katia Regina da Silva, Caio Marcos de Moraes Albertini, Elizabeth Sartori Crevelari, Eduardo Infante Januzzi de Carvalho, Alfredo Inácio Fiorelli, Martino Martinelli Filho, Roberto Costa
No abstract text is available yet for this article.
March 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28442147/troubleshooter-in-electrical-storm-mechanical-unloading-leads-to-heart-rhythm-stabilization
#8
Johannes Mierke, Tobias Loehn, Christian Pfluecke, Karim Ibrahim
The electrical storm is a life-threatening situation which causes a complex antiarrhythmic treatment. We firstly report a rhythmological stabilization through mechanical unloading of the left ventricle in a health patient who developed electrical storm after endo- and epicardiac re-ablation and who previously underwent 27 unsuccessful defibrillations. No evidence for a specific etiology of the rhythm disturbances was found. After implantation of a percutaneous left ventricular assist device (pLVAD) a single additional defibrillation was needed to terminate ventricular fibrillation...
April 18, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/28440568/impact-of-t-wave-amplitude-in-lead-avr-on-predicting-cardiac-events-in-ischemic-and-nonischemic-cardiomyopathy-patients-with-an-implantable-cardioverter-defibrillator
#9
Yoshihiro Tanaka, Tetsuo Konno, Yudai Tamura, Toyonobu Tsuda, Hiroshi Furusho, Masayuki Takamura, Kenji Sakata, Masakazu Yamagishi, Kenshi Hayashi
BACKGROUND: T wave amplitudes during ventricular repolarization in the lead aVR (TAaVR) are shown to be associated with adverse cardiac events in patients with several cardiovascular diseases, such as postmyocardial infarction. However, the utility of TAaVR has not been previously evaluated in patients with cardiomyopathy who have received implantable cardioverter defibrillators (ICD). Patients with ischemic or nonischemic cardiomyopathy (ICM or NICM, respectively) and who received an ICD may experience worsening of their condition due to the introduction of electric shock during treatment...
April 25, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/28438718/the-effect-of-50-compared-to-100-inspired-oxygen-fraction-on-brain-oxygenation-and-post-cardiac-arrest-mitochondrial-function-in-experimental-cardiac-arrest
#10
Annika Nelskyla, Jouni Nurmi, Milla Jousi, Alexey Schramko, Eero Mervaala, Giuseppe Ristagno, Markus B Skrifvars
BACKGROUND AND AIM: We hypothesised that the use of 50% compared to 100% oxygen maintains cerebral oxygenation and ameliorates the disturbance of cardiac mitochondrial respiration during cardiopulmonary resuscitation (CPR). METHODS: Ventricular fibrillation (VF) was induced electrically in anaesthetised healthy adult pigs and left untreated for seven minutes followed by randomisation to manual ventilation with 50% or 100% oxygen and mechanical chest compressions (LUCAS(®))...
April 21, 2017: Resuscitation
https://www.readbyqxmd.com/read/28438355/early-and-frequent-defibrillator-discharge-in-patients-with-cardiac-sarcoidosis-compared-with-patients-with-idiopathic-dilated-cardiomyopathy
#11
Yoichi Takaya, Kengo Kusano, Nobuhiro Nishii, Kazufumi Nakamura, Hiroshi Ito
BACKGROUND: Little is known about the suitability of implantable cardioverter defibrillator (ICD) implantation in patients with cardiac sarcoidosis (CS). We evaluated the efficacy of ICD implantation in patients with CS, including suspected CS, compared with those with idiopathic dilated cardiomyopathy (DCM). METHODS: A total of 102 consecutive patients with definite CS, suspected CS, or DCM who underwent ICD implantation were enrolled. The endpoint was the first documentation of appropriate ICD therapy for ventricular tachyarrhythmias...
April 19, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28438106/interprofessional-education-and-social-interaction-the-use-of-automated-external-defibrillators-in-team-based-basic-life-support
#12
Arif Onan, Nurettin Simsek
Automated external defibrillators are pervasive computing devices designed for the treatment and management of acute sudden cardiac arrest. This study aims to explain users' actual use behavior in teams formed by different professions taken after a short time span of interaction with automated external defibrillator. Before the intervention, all the participants were certified with the American Heart Association Basic Life Support for healthcare providers. A statistically significant difference was revealed in mean individual automated external defibrillator technical skills between uniprofessional and interprofessional groups...
April 1, 2017: Health Informatics Journal
https://www.readbyqxmd.com/read/28436547/are-type-d-personality-and-depression-predictors-of-anxiety-and-posttraumatic-stress-symptoms-among-icd-patients
#13
EDITORIAL
Jessica Ford
The literature surrounding posttraumatic stress symptoms (PSS) and anxiety among patients living with implantable cardioverter defibrillators (ICD) is becoming increasingly sophisticated with evidence linking traumatic stress and anxiety to cardiovascular outcomes, examinations of psychosocial treatment of PSS and anxiety, and predictive modeling all contributing to a more nuanced understanding of the predictors, course, and treatment of PSS and anxiety among ICD patients. In this issue of PACE, Habibovic, Denollet, and Pedersen report secondary analyses from the WEBCARE trial data in which the author employed Latent Class Analysis (LCA) to identify trajectories of trauma and anxiety symptoms among patients implanted with ICDs across the 12-month post-implant period and examined associations between the identified trajectories and demographic, clinical, and psychological characteristics of the participants...
April 24, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28435494/the-efficacy-of-lucas-in-prehospital-cardiac-arrest-scenarios-a-crossover-mannequin-study
#14
Robert A Gyory, Scott E Buchle, David Rodgers, Jeffrey S Lubin
INTRODUCTION: High-quality cardiopulmonary resuscitation (CPR) is critical for successful cardiac arrest outcomes. Mechanical devices may improve CPR quality. We simulated a prehospital cardiac arrest, including patient transport, and compared the performance of the LUCAS™ device, a mechanical chest compression-decompression system, to manual CPR. We hypothesized that because of the movement involved in transporting the patient, LUCAS would provide chest compressions more consistent with high-quality CPR guidelines...
April 2017: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28432849/upper-extremity-deep-venous-thrombosis-and-stenosis-after-implantation-of-pacemakers-and-defibrillators-a-prospective-study
#15
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/28432805/pitfalls-in-electrogram-interpretation-subcutaneous-cardioverter-defibrillator-malfunction-in-brugada-syndrome
#16
Giovanni Morani, Bruna Bolzan, Luca Tomasi, Ruggero Tomei, Corrado Vassanelli
A patient with Brugada Syndrome implanted with subcutaneous cardioverter defibrillator (S-ICD) had oversensing episodes treated with S-ICD shocks. Comparable artefacts weren't evocable with S-ICD pocket manipulation. The fluoroscopy excluded S-ICD macroscopic damage. The device extraction revealed undamaged pulse generator and connector, but the lead was inappropriately tunnelled under the sixth rib. Then the S-ICD malfunction was due to lead microscopic damage caused by lead rubbing the rib surface. This article is protected by copyright...
April 22, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28432794/posttraumatic-stress-and-anxiety-in-patients-with-an-implantable-cardioverter-defibrillator-trajectories-and-vulnerability-factors
#17
M Habibović, J Denollet, S S Pedersen
BACKGROUND: Implantable cardioverter defibrillator (ICD) therapy is first-line treatment for the primary and secondary prevention of sudden cardiac death. Despite the unequivocal medical benefits, living with an ICD may affect patients' psychological functioning and general well-being. We examined the trajectories of symptoms of posttraumatic stress disorder (PTSD) and anxiety in patients with an ICD and the vulnerability factors associated with an increased risk of symptoms of PTSD and anxiety...
April 22, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28431724/retrosternal-implantation-of-the-cardioverter-defibrillator-lead-in-an-infant
#18
Hiroaki Hata, Naokata Sumitomo, Toshiko Nakai, Atsushi Amano
Using an implantable cardioverter-defibrillator (ICD) in small children is still challenging, but the need is increasing. We present a new approach to overcoming ICD problems caused by growth in infants. A redundant ICD lead was fixed to the superior border of the sternum and tunneled retrosternally to the subxiphoid region for connection to the generator, which was placed in a pocket beneath the left transversus abdominis muscle. The redundant retrosternal part of the lead straightened during growth, while cardiac coverage by the cardioversion energy field and the defibrillation vector were maintained appropriately...
May 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28431077/implantable-cardioverter-defibrillator-use-for-primary-prevention-in-ischaemic-and-non-ischaemic-heart-disease-indications-in-the-post-danish-trial-era-results-of-the-european-heart-rhythm-association-survey
#19
Kristina H Haugaa, Roland Tilz, Serge Boveda, Dan Dobreanu, Elena Sciaraffia, Jacques Mansourati, Giorgi Papiashvili, Nikolaos Dagres
Implantable cardioverter-defibrillator (ICD) is the standard of care for prevention of sudden cardiac death (SCD) in high-risk patients. For primary prevention of SCD, in patients with ischaemic heart disease, there is more robust data on the effect of ICD therapy compared with patients with non-ischaemic heart disease, but current real-life practice may differ substantially. The aim of this European Heart Rhythm Association survey was to evaluate the clinical practice regarding implantation of ICD for primary prevention among European countries in patients with non-ischaemic and ischaemic heart disease...
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28431075/wilkoff-bl-et-al-2015-hrs-ehra-aphrs-solaece-expert-consensus-statement-on-optimal-implantable-cardioverter-defibrillator-programming-and-testing
#20
(no author information available yet)
No abstract text is available yet for this article.
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
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