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https://www.readbyqxmd.com/read/29236216/long-term-outcomes-of-a%C3%A2-caucasian-cohort-presenting-with-acute-coronary-syndrome-and-or-out-of-hospital-cardiac-arrest-caused-by-coronary-spasm
#1
W Vlastra, M Piek, M A van Lavieren, M E J C Hassell, B E Claessen, G W Wijntjens, T P van de Hoef, K D Sjauw, M A Beijk, R Delewi, J J Piek
BACKGROUND: Coronary artery spasm may be the underlying mechanism in up to 10% of cases of acute coronary syndrome (ACS) and sudden cardiac death. Asian individuals exhibit a 3-times greater incidence of spasm than Caucasians; this is likely due to different types of mechanisms. Consequently, solid data is limited about the long-term prognosis in Caucasian patients presenting with ACS and/or out-of-hospital cardiac arrest (OHCA) caused by coronary spasm. METHODS: Between 2002 and 2015, thirty Caucasian patients with coronary artery spasm presenting with ACS (N = 29) and/or OHCA (N = 11) were enrolled in this prospective registry...
December 13, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/29235577/out-of-hospital-cardiac-arrest
#2
Martin Porzer, Eva Mrazkova, Miroslav Homza, Vladimir Janout
Out-of-hospital cardiac arrest (OHCA) is a leading cause of death in developed industrial countries. The global worldwide average of OHCA incidence in adults is 95.9/100,000/year. European incidences vary according to source from 16 to 119/100,000/year. The aim of this study was to provide an overview of current information on OHCA. The incidences in various populations are discussed, along with the factors affecting the prognosis and outcome of these patients. The etiology and pathophysiological mechanisms are also described, especially in relation to the most common causes - acute and chronic forms of coronary artery disease and cardiomyopathies...
December 13, 2017: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/29234842/-patients-with-a-wearable-cardioverter-defibrillator-wcd-prescription-function-and-rehabilitation-support
#3
REVIEW
A Schlitt, M Guha, M Noutsias, H H Klein, H U Klein
Assessment of a permanent risk of life-threatening ventricular arrhythmia in patients with severely reduced left ventricular ejection fraction (LVEF <35%), e. g. after myocarditis, dilated cardiomyopathy, acute myocardial infarction, in patients with postpartum cardiomyopathy or implantable cardioverter-defibrillator (ICD) and cardiac resynchronization treatment plus defibrillator (CRT-D) infection with temporary explantation of the system is a medical challenge. This is time-consuming and unsafe because life-threatening ventricular arrhythmias may occur during the time of risk assessment...
December 12, 2017: Herz
https://www.readbyqxmd.com/read/29232275/complex-decision-making-in-heart-failure-a-systematic-review-and-thematic-analysis
#4
Aimee V Hamel, Joseph E Gaugler, Carolyn M Porta, Niloufar Niakosari Hadidi
BACKGROUND: Heart failure follows a highly variable and difficult course. Patients face complex decisions, including treatment with implantable cardiac defibrillators, mechanical circulatory support, and heart transplantation. The course of decision-making across multiple treatments is unclear yet integral to providing informed and shared decision-making. Recognizing commonalities across treatment decisions could help nurses and physicians to identify opportunities to introduce discussions and support shared decision-making...
December 11, 2017: Journal of Cardiovascular Nursing
https://www.readbyqxmd.com/read/29231820/higher-defibrillation-threshold-in-methamphetamine-cardiomyopathy-patients-with-implantable-cardioverter-defibrillator
#5
Rakesh Malhotra, Shyam Patel, Tekchand Ramchand, Omar Al Nimri
INTRODUCTION: Identification of patients with an increased risk of high defibrillation thresholds (DFTs) is important in planning implantable cardioverter-defibrillator (ICD) procedures. Clinical observations have suggested that patients with methamphetamine cardiomyopathy (MACMP) have significantly elevated defibrillation thresholds. We hypothesized that MACMP patients would have higher DFT thresholds than controls and would require procedural changes during ICD implantation to accommodate higher thresholds...
November 2017: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/29231819/holding-area-linq-trial-halt
#6
John J Lee, Daniel Weitz, Rishi Anand
BACKGROUND: Recent studies have shown that insertable cardiac monitors (ICMs) can be implanted out of the traditional hospital setting and efforts are being made to explore the feasibility of implanting these devices in a specific standardized location other than the operating room or a cardiac catherization/electrophysiology lab. METHODS: This was a prospective, non-randomized, single center post-market clinical trial designed to occur in the holding area of a hospital operating room or cardiac catheterization/electrophysiology laboratory...
November 2017: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/29229517/defibrillation-threshold-testing-in-hypertrophic-cardiomyopathy-as-simple-as-possible-but-not-simpler
#7
EDITORIAL
N A Mark Estes, Barry J Maron
No abstract text is available yet for this article.
December 8, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29226897/treatment-of-ineffective-endocardial-defibrillation-with-subcutaneous-array-a-case-report
#8
Özgür Kaplan, Sabri Demircan
Defibrillation threshold (DFT) testing is an important part of ICD implantation. After placement of the ICD generator, a DFT test is performed to evaluate the integrity of the ICD system and to confirm a successful defibrillation safety margin. More than 6% of ICDs implanted are not within the DFT safety margin. Presently described is the case of a patient with a high DFT and some of the methods that can be used to manage this circumstance, including the use of a subcutaneous array.
December 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/29226831/public-access-defibrillation-in-hong-kong-in-2017
#9
K L Fan, C T Lui, L P Leung
The concept of public access defibrillation was proposed more than 20 years ago. Since then, various programmes have been implemented in many major cities although not all have been successful. Fourteen years ago, the question of whether Hong Kong needed public access defibrillation was raised. This article aimed to answer this question based on the best available evidence. Over the years, the clinical effectiveness of public access defibrillation in out-of-hospital cardiac arrest has been proven. Nonetheless various studies have indicated that among others, cost-effectiveness, knowledge and attitudes of the public, and incidence of ventricular fibrillation are important factors that will affect the likelihood of success of such programmes...
December 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/29226830/public-access-defibrillation-the-road-ahead
#10
EDITORIAL
A Yc Siu
No abstract text is available yet for this article.
December 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/29226642/homoarginine-associates-with-zonulin-and-tryptophan-findings-in-a-high-risk-cohort-of-patients-carrying-an-aicd
#11
Elli Mann, Robert Kluesener, Felix Boschann, Jana Ruppert, Franz P Armbruster, Andreas Meinitzer, Christoph Melzer, Thomas B Dschietzig
BACKGROUND: Homoarginine (hArg) is known to have an impact on nitric oxide (NO) metabolism. It seems to increase NO generation and/or availability, thereby enhancing endothelial function. In addition, hArg is connected to energy metabolism since the key enzyme, L-arginine-glycine amidinotransferase (AGAT) for hArg synthesis in the kidneys, is also involved in the synthesis of energy metabolites like guanidinoacetate. Former studies indicate that low levels of hArg are linked to cardiovascular disease and increased all-cause mortality...
November 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/29225838/multiple-inappropriate-implantable-cardiac-defibrillator-therapies-in-rapid-succession
#12
Jeffrey A Marbach, Colin Yeo, Martin S Green, Girish M Nair
Inappropriate implantable cardiac defibrillator (ICD) shocks are associated with significant morbidity and have the potential to trigger ventricular arrhythmias, cardiac decompensation, and death. We present a case of multiple inappropriate ICD therapies in rapid succession due electromagnetic interference from a Dr-Ho's transcutaneous electric nerve stimulator machine, and subsequently from a faulty electrical outlet.
December 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/29225826/subcutaneous-defibrillator-implantation-as-a-bridge-until-left-ventricular-function-normalizes
#13
Antonio Bisignani, Silvana De Bonis, Giovanni San Pasquale, Laura Candreva, Cristina Franchin, Maurizio Malacrida, Giovanni Bisignani
Patients with reversible cardiac impairment may be, at least temporarily, at high risk of SCD and may go unprotected for considerable time. A less-invasive definitive or bridge solution is the implantation of a subcutaneous cardioverter-defibrillator (S-ICD). The less invasiveness of this procedure ensures easy removal of the system without exposing the patient to the risk of complications.
December 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/29222869/new-generation-cardioverter-defibrillator-lead-with-a-floating-atrial-sensing-dipole-long-term-performance
#14
Erdal Safak, Giuseppe D Ancona, Hilmi Kaplan, Evren Caglayan, Stephan Kische, Alper Öner, Hüseyin Ince, Jasmin Ortak
OBJECTIVES: Study aim is to present the long-term performance of a new generation implantable cardioverter defibrillator (ICD) electrode with floating atrial dipole (Linox S DX, Biotronik). BACKGROUND: The single ICD electrode with a floating dipole in the atrial chamber was introduced about 15 years ago to overcome risk of inappropriate shock. METHODS: After implant, internal ECG data were prospectively collected via tele-monitoring (Home Monitoring, Biotronik)...
December 9, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29221700/acute-and-long-term-results-after-contemporary-subcutaneous-implantable-cardioverter-defibrillator-implantation-a-single-center-experience
#15
Miguel A Arias, Marta Pachón, Finn Akerström, Alberto Puchol, Cristina Martín-Sierra, Luis Rodríguez-Padial
INTRODUCTION AND OBJECTIVES: The subcutaneous implantable cardioverter-defibrillator (S-ICD) has emerged as an alternative to the transvenous defibrillator. The incidence of complications is similar, with inappropriate shocks (IS) being more frequent than those occurring with contemporary programming of transvenous defibrillators. Several improvements have been implemented after the S-ICD was approved for use in Europe in 2009. This study reports the results of S-ICD use in a single center, whose experience began late, at the end of 2013...
December 5, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/29221681/hypercalcemic-crisis-and-primary-hyperparathyroidism-cause-of-an-unusual-electrical-storm
#16
Tatiana Guimarães, Miguel Nobre Menezes, Diogo Cruz, Sónia do Vale, Armando Bordalo, Arminda Veiga, Fausto J Pinto, Dulce Brito
Hypercalcemia is a known cause of heart rhythm disorders, however its association with ventricular arrhythmias is rare. The authors present a case of a fifty-three years old male patient with a ischemic and ethanolic dilated cardiomyopathy, and severely reduced ejection fraction, carrier of cardiac resynchronization therapy (CRT) with cardioverter defibrillator (ICD), admitted in the emergency department with an electrical storm, with multiple appropriated ICD shocks, refractory to antiarrhythmic therapy. In the etiological investigation was documented severe hypercalcemia secondary to primary hyperparathyroidism undiagnosed until then...
December 5, 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/29221605/significance-of-high-sensitivity-troponin-t-after-elective-external-direct-current-cardioversion-for-atrial-fibrillation-or-atrial-flutter
#17
Ronstan Lobo, Allan S Jaffe, Ciara Cahill, Ophelia Blake, Syed Abbas, Thomas B Meany, Terrence Hennessy, Thomas J Kiernan
External transthoracic direct current (DC) cardioversion is a commonly used method of terminating cardiac arrhythmias. Previous research has shown that DC cardioversion resulted in myocardial injury as evidenced by increased levels of cardiac troponin, even though only minimally. Many of these studies were based on the outdated monophasic defibrillators and older, less sensitive troponin assays. This study aimed to assess the effect of external transthoracic DC cardioversion on myocardial injury as measured by the change in the new high-sensitivity cardiac troponin T (hs-cTnT) using the more modern biphasic defibrillators...
October 19, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/29221324/the-role-of-sympathectomy-in-long-qt-syndrome
#18
REVIEW
Achilleas Antonopoulos, David Lawrence, Davide Patrini, Marco Scarci, Robert George, Martin Hayward, Sofoklis Mitsos, Nikolaos Panagiotopoulos
Long QT syndrome (LQTS) is an uncommon and potentially fatal cardiac channelopathy. Treatment options can be medical with β-blockers or surgical with implantable cardioverter defibrillator (ICD) implantations and left cardiac sympathetic denervation (LCSD). Purpose of this paper is through a literature review to identify the management algorithm and the role of sympathectomy in LQTS.
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29221300/comparison-of-continuous-compression-with-regular-ventilations-versus-30-2-compressions-ventilations-strategy-during-mechanical-cardiopulmonary-resuscitation-in-a-porcine-model-of-cardiac-arrest
#19
Zhengfei Yang, Qingyu Liu, Guanghui Zheng, Zhifeng Liu, Longyuan Jiang, Qing Lin, Rui Chen, Wanchun Tang
Background: A compression-ventilation (C:V) ratio of 30:2 is recommended for adult cardiopulmonary resuscitation (CPR) by the current American Heart Association (AHA) guidelines. However, continuous chest compression (CCC) is an alternative strategy for CPR that minimizes interruption especially when an advanced airway exists. In this study, we investigated the effects of 30:2 mechanical CPR when compared with CCC in combination with regular ventilation in a porcine model. Methods: Sixteen male domestic pigs weighing 39±2 kg were utilized...
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29221231/primary-prevention-implantable-cardioverter-defibrillator-in-patients-with-reduced-ejection-fraction-for-ischemic-or-non-ischemic-cardiomyopathy-or-both
#20
EDITORIAL
Amr F Barakat, Ahmed N Mahmoud, Islam Y Elgendy
No abstract text is available yet for this article.
September 2017: Journal of Thoracic Disease
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