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https://www.readbyqxmd.com/read/28227282/development-of-matlab-software-to-control-data-acquisition-from-a-multichannel-systems-multi-electrode-array
#1
Erik Messier, Behnaz Ghoraani, Erik Messier, Erik Messier, Behnaz Ghoraani
A Multichannel Systems (MCS) microelectrode array data acquisition (DAQ) unit is used to collect multichannel electrograms (EGM) from a Langendorff perfused rabbit heart system to study sudden cardiac death (SCD). MCS provides software through which data being processed by the DAQ unit can be displayed and saved, but this software's combined utility with MATLAB is not very effective. MCSs software stores recorded EGM data in a MathCad (MCD) format, which is then converted to a text file format. These text files are very large, and it is therefore very time consuming to import the EGM data into MATLAB for real-time analysis...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226799/an-audiovisual-bci-system-for-assisting-clinical-communication-assessment-in-patients-with-disorders-of-consciousness-a-case-study
#2
Fei Wang, Yanbin He, Jun Qu, Qiuyou Xie, Qing Lin, Xiaoxiao Ni, Yan Chen, Ronghao Yu, Chin-Teng Lin, Yuanqing Li, Fei Wang, Yanbin He, Jun Qu, Qiuyou Xie, Qing Lin, Xiaoxiao Ni, Yan Chen, Ronghao Yu, Chin-Teng Lin, Yuanqing Li, Chin-Teng Lin, Fei Wang, Ronghao Yu, Jun Qu, Yan Chen, Yanbin He, Qiuyou Xie, Yuanqing Li, Xiaoxiao Ni, Qing Lin
The JFK Coma Recovery Scale-Revised (JFK CRS-R), a behavioral scale, is often used for clinical assessments of patients with disorders of consciousness (DOC), such as patients in a vegetative state. However, there has been a high rate of clinical misdiagnosis with the JFK CRS-R because patients with severe brain injures cannot provide sufficient behavioral responses. It is particularly difficult to evaluate the communication function in DOC patients using the JFK CRS-R because a higher level of behavioral responses is needed for communication assessments than for many other assessments, such as an auditory startle assessment...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226684/simplified-computer-aided-detection-scheme-of-microcalcification-clusters-in-digital-breast-tomosynthesis-images
#3
Ji-Wook Jeong, Seung-Hoon Chae, Eun Young Chae, Hak Hee Kim, Young Wook Choi, Sooyeul Lee, Ji-Wook Jeong, Seung-Hoon Chae, Eun Young Chae, Hak Hee Kim, Young Wook Choi, Sooyeul Lee, Sooyeul Lee, Ji-Wook Jeong, Hak Hee Kim, Eun Young Chae, Young Wook Choi, Seung-Hoon Chae
A computer-aided detection (CADe) algorithm for clustered microcalcifications (MCs) in reconstructed digital breast tomosynthesis (DBT) images is suggested. The MC-like objects were enhanced by a Hessian-based 3D calcification response function, and a signal-to-noise ratio (SNR) enhanced image was also generated to screen the MC clustering seed objects. A connected component segmentation method was used to detect the cluster seed objects, which were considered as potential clustering centers of MCs. Bounding cubes for the accepted clustering seed candidate were generated and the overlapping cubes were combined and examined...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224256/demonstration-of-two-types-of-fatigue-in-subjects-with-chronic-liver-disease-using-factor-analysis
#4
Ali A Weinstein, Guoqing Diao, Heibatollah Baghi, Carey Escheik, Lynn H Gerber, Zobair M Younossi
PURPOSE: The purpose of this investigation was to determine if it was possible to separate fatigue self-reports into two distinct types of fatigue symptom clusters in research subjects with chronic liver disease (CLD). It was hypothesized that when items from the Medical Outcomes Study Short-Form (SF-36v2) are combined with items from the Fatigue Severity Scale (FSS), these distinct factors will emerge. METHODS: Confirmatory and exploratory factor analyses from data collected in a prospective, natural history study of CLD patients were conducted...
February 21, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28222568/severe-disorders-of-consciousness-after-acquired-brain-injury-a-single-centre-long-term-follow-up-study
#5
Alex Lopez-Rolon
OBJECTIVES: To assess long-term clinical outcome, functional independence and health-related quality of life (HRQOL) in acquired brain injury (ABI) patients with a disorder of consciousness at admission to inpatient rehabilitation. METHODS: We selected patients from a cohort of ABI patients from a single centre. In addition to mortality, we measured level of consciousness with the Coma Remission Scale, functional independence with the Barthel Index, as well as generic and condition-specific HRQOL with the EQ5D and the "Quality of Life after Brain Injury" (QOLIBRI) respectively...
February 10, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28220656/impact-of-stillbirths-on-international-comparisons-of-preterm-birth-rates-a-secondary-analysis-of-the-who-multi-country-survey-of-maternal-and-newborn-health
#6
N Morisaki, T Ganchimeg, J P Vogel, J Zeitlin, J G Cecatti, J P Souza, C Pileggi Castro, M R Torloni, E Ota, R Mori, S M Dolan, S Tough, S Mittal, V Bataglia, B Yadamsuren, M S Kramer
OBJECTIVE: To evaluate the extent to which stillbirths affect international comparisons of preterm birth rates in low- and middle-income countries. DESIGN: Secondary analysis of a multi-country cross-sectional study. SETTING: 29 countries participating in the World Health Organization Multicountry Survey on Maternal and Newborn Health. POPULATION: 258 215 singleton deliveries in 286 hospitals. METHODS: We describe how inclusion or exclusion of stillbirth affect rates of preterm births in 29 countries...
February 20, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28220105/acth-receptor-mc2r-specificity-what-do-we-know-about-underlying-molecular-mechanisms
#7
REVIEW
Davids Fridmanis, Ance Roga, Janis Klovins
Coincidentally, the release of this Research Topic in Frontiers in Endocrinology takes place 25 years after the discovery of the adrenocorticotropic hormone receptor (ACTHR) by Mountjoy and colleagues. In subsequent years, following the discovery of other types of mammalian melanocortin receptors (MCRs), ACTHR also became known as melanocortin type 2 receptor (MC2R). At present, five types of MCRs have been reported, all of which share significant sequence similarity at the amino acid level, and all of which specifically bind melanocortins (MCs)-a group of biologically active peptides generated by proteolysis of the proopiomelanocortin precursor...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28219783/are-we-reducing-the-risk-of-cardiovascular-disease-and-improving-the-quality-of-life-through-preventive-health-care-results-of-a-population-based-study-in-south-australia
#8
David Alejandro González-Chica, Eleonora Dal Grande, Jacqueline Bowden, Michael Musker, Phillipa Hay, Nigel Stocks
This study investigated the achievement of lifestyle recommendations and use of preventive medication in people who 1) are obese, 2) or have metabolic risk factors (hypertension, dyslipidaemia, and/or diabetes), 3) or have cardiovascular disease (CVD), 4) or are healthy, and the impact this preventive health care had on their 'Health-Related Quality of Life' (HRQoL). Cross-sectional survey conducted in 2015 with 2379 South Australian adults (57.1±14years; 51.7% females). Physical (PCS) and mental components scores (MCS) of HRQoL were assessed using the SF-12 questionnaire...
February 17, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28217146/cognitive-behavioural-therapy-and-mindfulness-for-health-related-quality-of-life-comparing-treatments-for-parents-of-children-with-chronic-conditions-a-pilot-feasibility-study
#9
Malin Anclair, Fredrik Hjärthag, Arto Juhani Hiltunen
BACKGROUND: Research on parents of children with chronic conditions has shown that this parent group frequently suffers from psychological problems such as deteriorating life quality and stress-related disorders. OBJECTIVE: The present feasibility study focuses on Health-Related Quality of Life (HRQOL) and life satisfaction of parents of children with chronic conditions. METHOD: The study was conducted using a repeated measures design and applied either group-based cognitive behavioural therapy (CBT; n = 10) or a group-based mindfulness programme (MF; n = 9)...
2017: Clinical Practice and Epidemiology in Mental Health: CP & EMH
https://www.readbyqxmd.com/read/28215748/long-non-coding-rna-snhg14-promotes-microglia-activation-by-regulating-mir-145-5p-pla2g4a-in-cerebral-infarction
#10
Xu Qi, Ming Shao, Hongjing Sun, Yue Shen, Delong Meng, Wei Huo
Activated microglia cells (MCs) are able to release a large amount of inflammatory cytokines after ischemic stroke, which exacerbates neuron damage. In this study, we explored the functional involvement of lncRNA SNHG14 and its potential regulatory mechanism in the activation of MCs. The mouse model of middle cerebral artery occlusion (MCAO) and microglia cell model of oxygen/glucose deprivation were made. The expression of SNHG14, miR-145-5p and PLA2G4A protein expression was determined by quantitative real time PCR and western blot, respectively...
February 16, 2017: Neuroscience
https://www.readbyqxmd.com/read/28215460/early-experience-with-lateral-lumbar-total-disc-replacement-utility-complications-and-revision-strategies
#11
Gregory M Malham, Rhiannon M Parker
Lumbar total disc replacement (TDR) is an alternative to interbody fusion for the treatment of symptomatic degenerative disc disease. Traditionally, lumbar TDR is performed via an anterior retroperitoneal approach with regional risks of vascular and visceral injury. The direct lateral retroperitoneal, transpsoas approach avoids mobilisation of the great vessels and preserves the anterior longitudinal ligament, thereby maintaining physiological limits on motion. This study aimed to (i) report one site's early experience with lateral lumbar TDR and (ii) provide case examples illustrating the utility, complications and revision strategies of the XL-TDR device...
February 16, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28214629/effects-of-metal-ion-replacement-on-pyrazinamidase-activity-a-quantum-mechanical-study
#12
Mahmoud Khadem-Maaref, Faramarz Mehrnejad, Arash Phirouznia
Pyrazinamidase (PZase), a metalloenzyme, is responsible for acidic modification of pyrazinamide (PZA), a drug used in tuberculosis treatment. The metal coordination site of the enzyme is able to coordinate various divalent metal cofactors. Previous experimental studies have demonstrated that metal ions, such as Co(2+), Mn(2+), and Zn(2+), are able to reactivate metal-depleted PZase, while others including Cu(2+), Fe(2+), and Mg(2+), cannot restore activity. In this study, we investigated binding of various metal ions to the metal coordination site (MCS) of the enzyme using quantum mechanical calculations...
February 2, 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28213674/microcystin-bioaccumulation-in-freshwater-fish-at-different-trophic-levels-from-the-eutrophic-lake-chaohu-china
#13
Yan Jiang, Yunmeng Yang, Yuling Wu, Jianbin Tao, Bo Cheng
The spatial and temporal variations of microcystins (MCs) in fishes with different trophic levels were studied monthly in Lake Chaohu in 2014. MCs content in muscle was highest in phytoplanktivorous Hypophthalmichthys molitrix (H. molitrix), followed by omnivorous Carassius auratus (C. auratus), and was lowest in herbivorous Parabramis pekinensis (P. pekinensis) and carnivorous Coilia ectenes (C. ectenes). MCs concentration in liver was highest in C. auratus, followed by H. molitrix, and was lowest in P. pekinensis and C...
February 17, 2017: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28212150/desensitization-strategies-in-the-patient-awaiting-heart-transplantation
#14
David H Chang, Jon A Kobashigawa
PURPOSE OF REVIEW: The aim of this review is to discuss the impact of antibody sensitization on heart transplant recipients. RECENT FINDINGS: We will discuss the current state of antibody identification, antibody strength and potential antibody pathogenicity. The prevalence of antibody sensitization has increased with increased utilization of mechanical circulatory support (MCS). Data on MCS-related antibody sensitization are reviewed. Important considerations to minimize the prozone effect in antibody testing will be discussed...
February 15, 2017: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/28210859/effectiveness-of-peloid-therapy-in-carpal-tunnel-syndrome-a-randomized-controlled-single-blind-study
#15
Burcu Metin Ökmen, Meliha Kasapoğlu Aksoy, Aygül Güneş, Riza Eröksüz, Lale Altan
Carpal tunnel syndrome(CTS) is the most common neuromuscular cause of upper extremity disability. We aimed to investigate the effectiveness of peloid therapy in patients with CTS. This randomized, controlled, single-blind study enrolled 70 patients between the ages of 30 to 65 who had a diagnosis of either mild, mild-to-moderate, or moderate CTS. The patients were randomized into two groups using random number table. In the first group, (Group 1)(n = 35), patients were given splint (every night for 6 weeks) + peloid treatment(five consecutive days a week for 2 weeks) and in the second group, (Group 2)(n = 28), patients received splint treatment(every night for 6 weeks) alone...
February 16, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28208670/eutrophication-and-warming-boost-cyanobacterial-biomass-and-microcystins
#16
Miquel Lürling, Frank van Oosterhout, Elisabeth Faassen
Eutrophication and warming are key drivers of cyanobacterial blooms, but their combined effects on microcystin (MC) concentrations are less studied. We tested the hypothesis that warming promotes cyanobacterial abundance in a natural plankton community and that eutrophication enhances cyanobacterial biomass and MC concentrations. We incubated natural seston from a eutrophic pond under normal, high, and extreme temperatures (i.e., 20, 25, and 30 °C) with and without additional nutrients added (eutrophication) mimicking a pulse as could be expected from projected summer storms under climate change...
February 11, 2017: Toxins
https://www.readbyqxmd.com/read/28208601/surgical-neurostimulation-for-spinal-cord-injury
#17
REVIEW
Aswin Chari, Ian D Hentall, Marios C Papadopoulos, Erlick A C Pereira
Traumatic spinal cord injury (SCI) is a devastating neurological condition characterized by a constellation of symptoms including paralysis, paraesthesia, pain, cardiovascular, bladder, bowel and sexual dysfunction. Current treatment for SCI involves acute resuscitation, aggressive rehabilitation and symptomatic treatment for complications. Despite the progress in scientific understanding, regenerative therapies are lacking. In this review, we outline the current state and future potential of invasive and non-invasive neuromodulation strategies including deep brain stimulation (DBS), spinal cord stimulation (SCS), motor cortex stimulation (MCS), transcutaneous direct current stimulation (tDCS) and repetitive transcranial magnetic stimulation (rTMS) in the context of SCI...
February 10, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28207620/maintenance-of-segmental-lordosis-and-disk-height-in-stand-alone-and-instrumented-extreme-lateral-interbody-fusion-xlif
#18
Gregory M Malham, Ngaire J Ellis, Rhiannon M Parker, Carl M Blecher, Rohan White, Ben Goss, Kevin A Seex
STUDY DESIGN: A prospective single-surgeon nonrandomized clinical study. OBJECTIVE: To evaluate the radiographic and clinical outcomes, by fixation type, in extreme lateral interbody fusion (XLIF) patients and provide an algorithm for determining patients suitable for stand-alone XLIF. SUMMARY OF BACKGROUND DATA: XLIF may be supplemented with pedicle screw fixation, however, since stabilizing structures remain intact, it is suggested that stand-alone XLIF can be used for certain indications...
March 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28202858/associations-of-mental-health-and-physical-function-with-colonoscopy-related-pain
#19
Eiji Yamada, Seitaro Watanabe, Atsushi Nakajima
Objective To clarify the effects of mental health and physical function in association with colonoscopy-related pain. Methods The mental health and physical function were evaluated using the Japanese version of the SF-8 Health Survey questionnaire. Poor physical status was defined as a physical component summary (PCS) <40 and poor mental status as a mental component summary (MCS) <40. Pain was assessed using a visual analogue scale (VAS), with significant pain defined as VAS ≥70 mm and insignificant pain as VAS <70 mm...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28202590/advances-in-multicellular-spheroids-formation
#20
REVIEW
X Cui, Y Hartanto, H Zhang
Three-dimensional multicellular spheroids (MCSs) have a complex architectural structure, dynamic cell-cell/cell-matrix interactions and bio-mimicking in vivo microenvironment. As a fundamental building block for tissue reconstruction, MCSs have emerged as a powerful tool to narrow down the gap between the in vitro and in vivo model. In this review paper, we discussed the structure and biology of MCSs and detailed fabricating methods. Among these methods, the approach in microfluidics with hydrogel support for MCS formation is promising because it allows essential cell-cell/cell-matrix interactions in a confined space...
February 2017: Journal of the Royal Society, Interface
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