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https://www.readbyqxmd.com/read/29111504/validation-of-the-polish-version-of-the-beck-depression-inventory-in-patients-with-epilepsy
#1
Mariusz S Wiglusz, Jerzy Landowski, Lidia Michalak, Wiesław J Cubała
BACKGROUND: Despite the fact that depressive disorders are the most common comorbidities among patients with epilepsy (PWE), such disorders often go unrecognized and untreated. In addition, the availability of validated screening instruments to detect depression in PWE is limited. The aim of the present study was thus to validate the Polish version of the Beck Depression Inventory (BDI) in adult PWE. METHODS: A group of 118 outpatient PWE were invited to participate in the study...
October 27, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28939827/white-light-emitting-diodes-based-on-individual-polymerized-carbon-nanodots
#2
Zheng Xie, Zhengmao Yin, Yongzhong Wu, Chunyan Liu, Xiaopeng Hao, Qingqing Du, Xiangang Xu
A search for new phosphor materials that exhibit high light-emission, spectral purity, long-time stability and processability capture particular attention to modern solid-state lighting. Here, polymerizable silane pre-functionalized carbon dot (SiCD) fluids were dripped and co-polymerized or completely bulk polymerized to build color conversion and encapsulation coatings of commercially available GaN blue LEDs. Most parameters of SiCD-based white LEDs were similar to or even better than those of phosphor-based white LEDs, particularly the insensitivity to excitation wavelength and working current...
September 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28508439/conventional-and-right-sided-screening-for-subcutaneous-icd-in-a-population-with-congenital-heart-disease-at-high-risk-of-sudden-cardiac-death
#3
Pau Alonso, Joaquín Osca, Joaquín Rueda, Oscar Cano, Pedro Pimenta, Ana Andres, María José Sancho, Luis Martinez
BACKGROUND: Information regarding suitability for subcutaneous defibrillator (sICD) implantation in tetralogy of Fallot (ToF) and systemic right ventricle is scarce and needs to be further explored. The main objective of our study was to determine the proportion of patients with ToF and systemic right ventricle eligible for sICD with both, standard and right-sided screening methods. Secondary objectives were: (i) to study sICD eligibility specifically in patients at high risk of sudden cardiac death, (ii) to identify independent predictors for sICD eligibility, and (iii) to compare the proportion of eligible patients in a nonselected ICD population...
May 15, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/28345727/intrinsic-defects-and-their-effects-on-the-optical-properties-in-the-nonlinear-optical-crystal-cdsip2-a-first-principles-study
#4
Ci Wang, Jie Sun, Huiyang Gou, Shanpeng Wang, Jian Zhang, Xutang Tao
In view of their high nonlinear optical coefficients and good phase-matching properties, CdSiP2 (CSP) crystals are considered as one of the most promising materials in the field of nonlinear optical applications. However, the slight absorption losses around 1.34 μm and 1.78 μm under e-polarized light have been affecting its performance. In this study, first-principles calculations were performed to identify the effects of various charge defects on the absorption properties. Different intrinsic defects in the CSP crystal were calculated using the HSE method and compared according to the specific chemical environments in the experiments...
March 27, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28259458/sensitive-determination-of-thiols-in-wine-samples-by-a-stable-isotope-coded-derivatization-reagent-d0-d4-acridone-10-ethyl-n-maleimide-coupled-with-high-performance-liquid-chromatography-electrospray-ionization-tandem-mass-spectrometry-analysis
#5
Zhengxian Lv, Jinmao You, Shuaimin Lu, Weidi Sun, Zhongyin Ji, Zhiwei Sun, Cuihua Song, Guang Chen, Guoliang Li, Na Hu, Wu Zhou, Yourui Suo
As the key aroma compounds, varietal thiols are the crucial odorants responsible for the flavor of wines. Quantitative analysis of thiols can provide crucial information for the aroma profiles of different wine styles. In this study, a rapid and sensitive method for the simultaneous determination of six thiols in wine using d0/d4-acridone-10-ethyl-N-maleimide (d0/d4-AENM) as stable isotope-coded derivatization reagent (SICD) by high performance liquid chromatography-electrospray ionization-tandem mass spectrometry (HPLC-ESI-MS/MS) has been developed...
March 31, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28070890/the-role-of-conventional-and-right-sided-ecg-screening-for-subcutaneous-icd-in-a-tetralogy-of-fallot-population
#6
RANDOMIZED CONTROLLED TRIAL
Pau Alonso, Joaquín Osca, Oscar Cano, Pedro Pimenta, Ana Andrés, Jaime Yagüe, José Millet, Joaquín Rueda, María José Sancho-Tello
BACKGROUND: Information regarding suitability for subcutaneous implantable cardioverter-defibrillator (S-ICD) implant in tetralogy of Fallot (ToF) population is scarce and needs to be further explored. THE AIMS OF OUR STUDY WERE: (1) to determine the proportion of patients with ToF eligible for S-ICD, (2) to identify the optimal sensing vector in ToF patients, (3) to test specifically the eligibility for S-ICD with right-sided screening, and (4) to compare with the proportion of eligible patients in a nonselected ICD population...
February 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/27734502/concomitant-use-of-the-subcutaneous-implantable-cardioverter-defibrillator-and-a-permanent-pacemaker
#7
Jason Huang, Kristen K Patton, Jordan M Prutkin
BACKGROUND: The subcutaneous implantable cardioverter defibrillator (S-ICD) is a novel implanted defibrillator for the prevention of sudden cardiac death that avoids intravascular access. Use of this device is limited by its inability to provide backup pacing. Combined use of the S-ICD with a permanent pacemaker may be the optimal choice in certain situations though experience with the use of both devices together remains limited. METHODS: We reviewed our single-center experience with the S-ICD from March 2011 to November 2015...
November 2016: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/27512117/bpr1j373-an-oral-multiple-tyrosine-kinase-inhibitor-targets-c-kit-for-the-treatment-of-c-kit-driven-myeloid-leukemia
#8
Li-Tzong Chen, Chiung-Tong Chen, Weir-Torn Jiaang, Tsai-Yun Chen, Joseph H Butterfield, Neng-Yao Shih, John Tsu-An Hsu, Hui-You Lin, Sheng-Fung Lin, Hui-Jen Tsai
Acute myelogenous leukemia (AML) carrying t(8;21)(q22;q22) or inv(16)/t(16;16)(p13;q22) is classified as core binding factor (CBF)-AML and accounts for approximately 15% of AML. c-KIT mutation can be detected in 17%∼46% of CBF-AML and is associated with poor prognosis. c-KIT mutation is a crucial hit and cooperates with AML1-ETO resulting from t(8;21)(q22;q22) to cause overt AML. Tyrosine kinase inhibitors (TKI) targeting c-KIT, such as imatinib, has been used successfully to treat c-KIT driven gastrointestinal stromal tumors...
October 2016: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/27372039/ecg-predictors-of-t-wave-oversensing-in-subcutaneous-implantable-cardioverter-defibrillators
#9
MULTICENTER STUDY
D G Wilson, G Leventigiannis, C Barr, J M Morgan
BACKGROUND: T wave oversensing (TWOS) is the commonest cause of inappropriate shocks in subcutaneous implantable cardioverter defibrillators (S-ICDs). We hypothesise that predictors of TWOS can be derived from surface ECG parameters. METHODS: In a cohort of SICD recipients in two UK centres, all patients who had TWOS (study group) were compared to all those who had not (control group). The pre-implant screen was scanned and the R wave, T wave amplitudes, QRS interval, time to peak T wave, QT interval and R:T ratio was measured using digital callipers...
October 1, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/26320627/right-parasternal-electrode-configuration-converts-a-failed-electrocardiographic-screening-to-a-pass-for-subcutaneous-implantable-cardioverter-defibrillator-implantation
#10
N Y Chan, H C Yuen, N S Mok
BACKGROUND: Pre-operative electrocardiographic (ECG) screening before subcutaneous implantable cardioverter-defibrillator (SICD) implantation is essential to prevent T-wave oversensing and inappropriate shocks. The failure rate of ECG screening was reported to be up to 8% when only two body positions were tested. METHOD: Three subcutaneous ECG vectors represented by lead I, II and III were obtained in standing, supine, sitting and squatting positions. A patient qualified if the ECG in any same lead passed in all four positions...
December 2015: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/25911316/subcutaneous-implantable-cardioverter-defibrillator-for-dialysis-patients-a-strategy-to-reduce-central-vein-stenoses-and-infections
#11
Rajiv K Dhamija, Henry Tan, Edward Philbin, Roy O Mathew, Mandeep S Sidhu, Jeffrey Wang, Basil Saour, Syed S Haqqie, Gerald Beathard, Alexander S Yevzlin, Loay Salman, William E Boden, Gary Siskin, Arif Asif
Central venous stenosis is a common complication of the transvenous leads associated with an implantable cardioverter defibrillator (ICD). Although epicardial leads have been reported to bypass this complication, their placement is much more invasive than the subcutaneous ICDs (SICDs) and requires the services of a cardiothoracic surgeon. Recent data have demonstrated successful defibrillation using an SICD. In this report, we present 4 long-term hemodialysis patients treated successfully with an SICD. 3 patients received the device for primary prevention of sudden cardiac death (cardiomyopathy with low ejection fraction)...
July 2015: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/24922823/5%C3%A2-surface-electrocardiogram-signals-variation-with-posture-in-normal-adults-and-in-adults-with-congenital-heart-disease-and-its-clinical-implication
#12
Mehmood Zeb, Paul Roberts, Arthur Yue, John Morgan
INTRODUCTION: Ambulatory cardiac monitoring devices and the novel subcutaneous ICD (SICD) sensing algorithms are based on the surface electrocardiograms (ECGs) parameters for detection and discrimination of arrhythmias. However the impact of posture, cardiac morphologies (normal and congenital heart diseases), and electrode placement on these parameters are not known. AIM: To determine the impact of posture (standing, sitting, supine, left lateral, right lateral) and bipolar electrode location (LI, LII, LIII), cardiac morphologies (normal, TOF, TGA, SVP) and gender on R-wave amplitude, T-wave amplitude, R/T ratio, QRS, QTc, Tpeak-end duration...
June 2014: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/24284982/the-subcutaneous-implantable-cardioverter-defibrillator
#13
REVIEW
Andrew Grace
PURPOSE OF REVIEW: To consider the case of need that underpinned the development of the subcutaneous implantable cardioverter-defibrillator (SICD), the preclinical and clinical data obtained so far, its current role and likely future. RECENT FINDINGS: The data from prospective clinical evaluation of the device demonstrated safety and efficacy leading to Food and Drug Administration approval. This superseded earlier reports from Europe that raised some clinical concerns, previously anticipated through the introduction of new technology...
January 2014: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/23959040/-current-status-and-problems-of-the-entirely-subcutaneous-icd-s-icd%C3%A2
#14
F Reinke, A Löher, J Köbe, L Eckardt
Prevention of sudden cardiac death is one of the most important tasks of cardiology. Transvenous ICD-systems have impressively proven their effectiveness in numerous randomized trials. Transvenous systems have their limitations due to frequent long-term lead complications. Having been available for a few years, the entirely subcutaneous ICD-system (S-ICD®, Boston Scientific, USA, former Cameron Health, USA) seems to be a promising alternative despite the lack of prospective data. The implantation of the SICD® can be performed easily; lead complications are rare because of the totally subcutaneous implantation...
September 2013: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/22966952/feasibility-of-defibrillation-and-automatic-arrhythmia-detection-using-an-exclusively-subcutaneous-defibrillator-system-in-canines
#15
Riccardo Cappato, Serenella Castelvecchio, Paul Erlinger, Rick Sanghera, Donald Scheck, Alan Ostroff, William Rissmann, Charles Gropper, Gust H Bardy
INTRODUCTION: This study reports the experimental process leading to development of an automatic totally subcutaneous implantable cardioverter defibrillator (SICD) system engineered for human use. METHODS AND RESULTS: Two studies were conducted to test defibrillation and detection feasibility of an SICD system located in the left chest. In the first study, 2 pockets were created in 15 canines for placement of an anterior electrode adjacent to the left edge of the sternum and a lateral electrode at the site along the axillary line between the 4th and 6th intercostal space...
January 2013: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/21946065/triclabendazole-protects-yeast-and-mammalian-cells-from-oxidative-stress-identification-of-a-potential-neuroprotective-compound
#16
Yong Joo Lee, Elodie Burlet, Shaoxiao Wang, Baoshan Xu, Shile Huang, Floyd J Galiano, Stephan N Witt
The Prestwick and NIH chemical libraries were screened for drugs that protect baker's yeast from sugar-induced cell death (SICD). SICD is triggered when stationary-phase yeast cells are transferred from spent rich medium into water with 2% glucose and no other nutrients. The rapid, apoptotic cell death occurs because reactive oxygen species (ROS) accumulate. We found that triclabendazole, which is used to treat liver flukes in cattle and man, partially protects against SICD. Characterization of triclabendazole revealed that it also protects yeast cells from death induced by the Parkinson's disease-related protein alpha-synuclein (α-syn), which is known to induce the accumulation of ROS...
October 14, 2011: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/21731740/tumor-initiating-cells-in-esophageal-squamous-cell-carcinomas-express-high-levels-of-cd44
#17
Jiang-Sha Zhao, Wen-Jie Li, Di Ge, Pei-Jing Zhang, Jing-Jing Li, Chun-Lai Lu, Xiao-Dan Ji, Dong-Xian Guan, Hong Gao, Li-Yan Xu, Eng-Ming Li, Harmik Soukiasian, H Phillip Koeffler, Xiao-Fan Wang, Dong Xie
BACKGROUND: Esophageal Squamous Cell Carcinoma (ESCC) is a major subtype of esophageal cancer causing significant morbility and mortality in Asia. Mechanism of initiation and progression of this disease is unclear. Tumor initiating cells (TICs) are the subpopulation of cells which have the ability to self-renew, as well as, to drive initiation and progression of cancer. Increasing evidence has shown that TICs exist in a variety of tumors. However, the identification and characterization of TICs in esophageal carcinoma has remained elusive...
2011: PloS One
https://www.readbyqxmd.com/read/21515692/phosphate-and-succinate-use-different-mechanisms-to-inhibit-sugar-induced-cell-death-in-yeast-insight-into-the-crabtree-effect
#18
Yong Joo Lee, Elodie Burlet, Floyd Galiano, Magdalena L Circu, Tak Yee Aw, B Jill Williams, Stephan N Witt
Stationary-phase Saccharomyces cerevisiae cells transferred from spent rich media into water live for weeks, whereas the same cells die within hours if transferred into water with 2% glucose in a process called sugar-induced cell death (SICD). Our hypothesis is that SICD is due to a dysregulated Crabtree effect, which is the phenomenon whereby glucose transiently inhibits respiration and ATP synthesis. We found that stationary-phase cells in glucose/water consume 21 times more O(2) per cell than exponential-phase cells in rich media, and such excessive O(2) consumption causes reactive oxygen species to accumulate...
June 10, 2011: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/19640509/slitrk1-binds-14-3-3-and-regulates-neurite-outgrowth-in-a-phosphorylation-dependent-manner
#19
Yuji Kajiwara, Joseph D Buxbaum, Dorothy E Grice
BACKGROUND: Rare genetic variants of SLITRK1 have been previously associated with Tourette syndrome (TS), attention-deficit/hyperactivity disorder (ADHD), and obsessive-compulsive disorder (OCD) symptoms. METHODS: We studied SLITRK1 processing and phosphorylation. To explore potential signaling pathways of the cytoplasmic domain of SLITRK1, we made use of the yeast two-hybrid screen. RESULTS: We observed that the extracellular domain of SLITRK1 is secreted in vitro and in vivo and that this process is activated by protein kinase C and inhibited by an inhibitor of tumor necrosis factor-alpha converting enzyme (TACE)...
November 15, 2009: Biological Psychiatry
https://www.readbyqxmd.com/read/19577194/sugar-induces-death-of-the-bottom-fermenting-yeast-saccharomyces-pastorianus
#20
Hiroyuki Yoshimoto, Rie Ohuchi, Kumiko Ikado, Satoshi Yoshida, Toshiko Minato, Tatsuji Ishiguro, Satoru Mizutani, Osamu Kobayashi
We confirmed that sugar-induced cell death (SICD) occurs in the bottom fermenting yeast Saccharomyces pastorianus under anaerobic conditions and that mitochondrial DNA is only partly required for SICD. Fermentation tests using different ratios of glucose and non-glucose nutrients demonstrated that SICD is influenced by the balance between these nutrients.
July 2009: Journal of Bioscience and Bioengineering
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