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https://www.readbyqxmd.com/read/28432794/posttraumatic-stress-and-anxiety-in-patients-with-an-implantable-cardioverter-defibrillator-trajectories-and-vulnerability-factors
#1
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/28432402/predictors-of-missed-appointments-in-patients-referred-for-congenital-or-pediatric-cardiac-magnetic-resonance
#2
Jimmy C Lu, Ray Lowery, Sunkyung Yu, Maryam Ghadimi Mahani, Prachi P Agarwal, Adam L Dorfman
BACKGROUND: Congenital cardiac magnetic resonance is a limited resource because of scanner and physician availability. Missed appointments decrease scheduling efficiency, have financial implications and represent missed care opportunities. OBJECTIVE: To characterize the rate of missed appointments and identify modifiable predictors. MATERIALS AND METHODS: This single-center retrospective study included all patients with outpatient congenital or pediatric cardiac MR appointments from Jan...
April 21, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28432194/diagnostic-value-of-prehospital-ecg-in-acute-stroke-patients
#3
Tobias Bobinger, Bernd Kallmünzer, Markus Kopp, Natalia Kurka, Martin Arnold, Stefan Heider, Stefan Schwab, Martin Köhrmann
OBJECTIVE: To investigate the diagnostic yield of prehospital ECG monitoring provided by emergency medical services in the case of suspected stroke. METHODS: Consecutive patients with acute stroke admitted to our tertiary stroke center via emergency medical services and with available prehospital ECG were prospectively included during a 12-month study period. We assessed prehospital ECG recordings and compared the results to regular 12-lead ECG on admission and after continuous ECG monitoring at the stroke unit...
April 21, 2017: Neurology
https://www.readbyqxmd.com/read/28432072/translocase-of-inner-membrane-50-functions-as-a-novel-protective-regulator-of-pathological-cardiac-hypertrophy
#4
Kai Tang, Yifan Zhao, Hailing Li, Mengyun Zhu, Weiming Li, Weijing Liu, Guofu Zhu, Dachun Xu, Wenhui Peng, Ya-Wei Xu
BACKGROUND: Translocase of inner membrane 50 (TIM50) is a member of the translocase of inner membrane (TIM) complex in the mitochondria. Previous research has demonstrated the role of TIM50 in the regulation of oxidative stress and cardiac morphology. However, the role of TIM50 in pathological cardiac hypertrophy remains unknown. METHODS AND RESULTS: In the present study we found that the expression of TIM50 was downregulated in hypertrophic hearts. Using genetic loss-of-function animal models, we demonstrated that TIM50 deficiency increased heart and cardiomyocyte size with more severe cardiac fibrosis compared with wild-type littermates...
April 21, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28431832/unravelling-the-mysteries-of-sudden-unexpected-death-in-epilepsy
#5
K G Hampel, R Rocamora Zuñiga, C M Quesada
INTRODUCTION: Sudden unexpected death in epilepsy (SUDEP) is the most frequent cause of premature death in epileptic patients. Most SUDEP events occur at night and frequently go unnoticed; the exact pathophysiological mechanisms of this phenomenon therefore remain undetermined. Nevertheless, most cases of SUDEP are attributed to an infrequent yet extremely severe complication of epileptic seizures. DEVELOPMENT: We conducted a systematic literature search on PubMed...
April 18, 2017: Neurología: Publicación Oficial de la Sociedad Española de Neurología
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
#6
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/28431070/emerging-molecular-therapies-targeting-myocardial-infarction-related-arrhythmias
#7
Helen E Driessen, Toon A B van Veen, Gerard J J Boink
Cardiac disease is the leading cause of death in the developed world. Ventricular arrhythmias associated with myocardial ischaemia and/or infarction are a major contributor to cardiovascular mortality, and require improved prevention and treatment. Drugs, devices, and radiofrequency catheter ablation have made important inroads, but have significant limitations ranging from incomplete success to undesired toxicities and major side effects. These limitations derive from the nature of the intervention. Drugs are frequently ineffective, target the entire heart, and often do not deal with the specific arrhythmia trigger or substrate...
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28430962/ulk1-prevents-cardiac-dysfunction-in-obesity-through-autophagy-meditated-regulation-of-lipid-metabolism
#8
Minae An, Dong-Ryeol Ryu, Jang Won Park, Ji Ha Choi, Eun-Mi Park, Kyung Eun Lee, Minna Woo, Minsuk Kim
Aims: Autophagy is essential to maintain tissue homeostasis, particularly in long-lived cells such as cardiomyocytes. Whereas many studies support the importance of autophagy in the mechanisms underlying obesity-related cardiac dysfunction, the role of autophagy in cardiac lipid metabolism remains unclear. In the heart, lipotoxicity is exacerbated by cardiac lipoprotein lipase (LPL), which mediates accumulation of fatty acids to the heart through intravascular triglyceride (TG) hydrolysis...
April 17, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28430899/mycobacterium-chimaera-infections-associated-with-contaminated-heater-cooler-devices-for-cardiac-surgery-outbreak-management
#9
Alexandre R Marra, Daniel J Diekema, Michael B Edmond
This paper focuses on assisting hospitals in establishing a rapid response for identification, notification, and evaluation of exposed patients, and management of HCDs with regards to placement and containment, environmental culturing, and disinfection.The global outbreak of Mycobacteriurm chimaera infections associated with heater-cooler devices (HCDs) presents several important, unique challenges for the infection prevention community. The primary focus of this paper is to assist hospitals in establishing a rapid response for identification, notification, and evaluation of exposed patients, and management of HCDs with regards to placement and containment, environmental culturing, and disinfection...
April 19, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28430892/anti-arrhythmic-potential-of-the-late-sodium-current-inhibitor-gs-458967-in-murine-scn5a-1798insd-and-human-scn5a-1795insd-ipsc-derived-cardiomyocytes
#10
Vincent Portero, Simona Casini, Maaike Hoekstra, Arie O Verkerk, Isabella Mengarelli, Luiz Belardinelli, Sridharan Rajamani, Arthur A M Wilde, Connie R Bezzina, Marieke W Veldkamp, Carol Ann Remme
AIM: Selective inhibition of cardiac late sodium current (INaL) is an emerging target in the treatment of ventricular arrhythmias. We investigated the electrophysiological effects of GS-458967 (GS967), a potent, selective inhibitor of INaL, in an overlap syndrome model of both gain and loss of sodium channel function, comprising cardiomyocytes derived from both human SCN5A-1795insD+/- induced pluripotent stem cells (hiPSC-CMs) and mice carrying the homologous mutation Scn5a-1798insD+/-...
April 18, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28430882/inhibition-of-the-cardiac-myocyte-mineralocorticoid-receptor-ameliorates-doxorubicin-induced-cardiotoxicity
#11
Achim Lother, Stella Bergemann, Jessica Kowalski, Michael Huck, Ralf Gilsbach, Christoph Bode, Lutz Hein
Aim: HASH(0x4660000) Anthracyclines such as doxorubicin are widely used in cancer therapy but their use is limited by cardiotoxicity. Up to date there is no established strategy for the prevention of anthracyclin-induced heart failure. In this study, we evaluated the role of the cardiac myocyte mineralocorticoid receptor (MR) during doxorubicin-induced cardiotoxicity. Methods and results: HASH(0x54e9370) A single high-dose or repetitive low-dose doxorubicin administration lead to markedly reduced left ventricular function in mice...
April 18, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28429529/impaired-left-atrial-function-predicts-inappropriate-shocks-in-primary-prevention-implantable-cardioverter-defibrillator-candidates
#12
Susumu Tao, Hiroshi Ashikaga, Luisa A Ciuffo, Kihei Yoneyama, Joao A C Lima, Terry F Frank, Robert G Weiss, Gordon F Tomaselli, Katherine C Wu
INTRODUCTION: Inappropriate implantable cardioverter-defibrillator (ICD) shocks, commonly caused by atrial fibrillation (AF), are associated with an increased mortality. Because impaired left atrial (LA) function predicts development of AF, we hypothesized that impaired LA function predicts inappropriate shocks beyond a history of AF. METHODS AND RESULTS: We prospectively analyzed the association between LA function and incident inappropriate shocks in primary prevention ICD candidates...
April 21, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28428531/-effective-anticoagulation-therapy-prior-to-surgical-excision-of-an-aortic-valve-papillary-fibroelastoma-diagnosed-after-a-transient-cerebral-ischemic-attack-report-of-a-case
#13
Masashi Toyama, Tomonobu Abe, Masato Nakayama, Bummei Sato, Osamu Ohno
Cardiac papillary fibroelastoma is reported to be the 2nd most common cardiac tumor following myxoma. Owing to the risk of embolism, early surgical excision is the treatment of choice. We report a case of effective anticoagulation therapy prior to surgical excision of an aortic valve papillary fibroelastoma. A 78-year-old man was admitted to our hospital because of transient cerebral ischemic attack. The symptom was relieved in a short period. Echocardiography revealed a tumor at the aortic valve. Cardiac computed tomography revealed a sea-anemone-like appearance of the tumor...
April 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28428489/superior-rhythm-discrimination-with-the-smartshock-technology-algorithm%C3%A3-results-of-the-implantable-defibrillator-with-enhanced-features-and-settings-for-reduction-of-inaccurate-detection-defense-trial
#14
Yasushi Oginosawa, Ritsuko Kohno, Toshihiro Honda, Kan Kikuchi, Masatsugu Nozoe, Takayuki Uchida, Hitoshi Minamiguchi, Koichiro Sonoda, Masahiro Ogawa, Takeshi Ideguchi, Yoshihisa Kizaki, Toshihiro Nakamura, Kageyuki Oba, Satoshi Higa, Keiki Yoshida, Soichi Tsunoda, Yoshihisa Fujino, Haruhiko Abe
BACKGROUND: Shocks delivered by implanted anti-tachyarrhythmia devices, even when appropriate, lower the quality of life and survival. The new SmartShock Technology(®)(SST) discrimination algorithm was developed to prevent the delivery of inappropriate shock. This prospective, multicenter, observational study compared the rate of inaccurate detection of ventricular tachyarrhythmia using the SST vs. a conventional discrimination algorithm.Methods and Results:Recipients of implantable cardioverter defibrillators (ICD) or cardiac resynchronization therapy defibrillators (CRT-D) equipped with the SST algorithm were enrolled and followed up every 6 months...
April 20, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28428073/isosteviol-prevents-the-prolongation-of-action-potential-in-hypertrophied-cardiomyoctyes-by-regulating-transient-outward-potassium-and-l-type-calcium-channels
#15
Zhuo Fan, Nanying Lv, Xiao Luo, Wen Tan
Cardiac hypertrophy is a thickening of the heart muscle that is associated with cardiovascular diseases such as hypertension and myocardial infarction. It occurs initially as an adaptive process against increased workloads and often leads to sudden arrhythmic deaths. Studies suggest that the lethal arrhythmia is attributed to hypertrophy-induced destabilization of cardiac electrical activity, especially the prolongation of the action potential. The reduced activity of Ito is demonstrated to be responsible for the ionic mechanism of prolonged action potential duration and arrhythmogeneity...
April 17, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28427849/sarcopenia-cachexia-and-muscle-performance-in-heart-failure-review-update-2016
#16
REVIEW
Masakazu Saitoh, Junichi Ishida, Wolfram Doehner, Stephan von Haehling, Markus S Anker, Andrew J S Coats, Stefan D Anker, Jochen Springer
Cachexia in the context of heart failure (HF) has been termed cardiac cachexia, and represents a progressive involuntary weight loss. Cachexia is mainly the result of an imbalance in the homeostasis of muscle protein synthesis and degradation due to a lower activity of protein synthesis pathways and an over-activation of protein degradation. In addition, muscle wasting leads to of impaired functional capacity, even after adjusting for clinical relevant variables in patients with HF. However, there is no sufficient therapeutic strategy in muscle wasting in HF patients and very few studies in animal models...
April 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28427467/coenzyme-q10-prevents-oxidative-stress-and-fibrosis-in-isoprenaline-induced-cardiac-remodeling-in-aged-rats
#17
Anayt Ulla, Mustafe Khalid Mohamed, Biswajit Sikder, Afm Towheedur Rahman, Farzana Akther Sumi, Murad Hossain, Hasan Mahmud Reza, G M Sayedur Rahman, Md Ashraful Alam
BACKGROUND: The objective of the present study aimed to investigate the effect of CoQ10 treatment on isoprenaline (ISO)-induced cardiac remodeling in rats. METHODS: Rats were divided into three groups namely Control group, ISO treated group and CoQ10 + ISO treated group, each consisting of 6 rats. The cardiac specific CK-MB, AST, ALT activity and other oxidative stress parameters were estimated in heart and kidneys. Additionally histological examination was also performed to visualize the inflammatory cells infiltration and fibrosis in both tissues...
April 20, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28427109/traveler-s-diarrhea-vision-abnormalities-and-unsteady-gait-in-a-young-woman
#18
Tobias Mühling, Felix Gundling, Thomas Helmberger, Wolfgang Schepp
We report on the course of disease in a young woman, originally admitted with suspected refractory infectious tropical traveler's diarrhea. However, symptoms did not resolve upon either symptomatic or subsequent antibiotic therapy. When neurologic deterioration was observed, imaging studies revealed a dramatic series of thromboembolic events, including intracranial hemorrhage caused by extensive sinus vein thrombosis as well as thrombi of the right cardiac ventricle. Colonic mucosal biopsy samples finally led to the histologic diagnosis of ulcerative colitis...
April 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/28427040/cortex-mori-radicis-extract-attenuates-myocardial-damages-in-diabetic-rats-by-regulating-ers
#19
Jiangfang Lian, Jiayuan Chen, Yanyan Yuan, Jiayi Chen, M Daud M Sayed, Lin Luo, Yabing Zhu, Song Li, Shizhong Bu
Diabetic cardiomyopathy (DCM) is diagnosed when patients with diabetes develop ventricular dysfunction but do not exhibit coronary atherosclerosis or hypertension. Cortex Mori (CM) Radicis,he epidermis of the root of Morus alba L, has been traditionally used for cough treatment in oriental medicine. In this study, we investigated the protection of myocardium by CM in streptozotocin (STZ)-induced diabetic rats and the underlying mechanisms. Diabetes was induced in rats by an injection of STZ at 25mg/kg. The animals were randomly divided into 4 groups: control, diabetes, diabetes with CM treatment, diabetes with CM preventative treatment...
April 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28426617/clinical-updates-in-women-s-health-care-summary-arrhythmias-primary-and-preventive-care-review
#20
Brittany S Fuller, Michele D Voeltz
Obstetrician-gynecologists often are the sole providers of health care to female patients. Because cardiovascular disease is the leading cause of death in women in the United States, obstetrician- gynecologists must be aware of the risk factors, symptoms, and signs of cardiovascular disease and arrhythmia. Furthermore, they must be prepared to identify and treat common types of arrhythmia in this population and refer patients to cardiology for specialized care. Understanding the role of pregnancy among women with arrhythmia is critically important to optimize both maternal and fetal outcomes...
May 2017: Obstetrics and Gynecology
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