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https://www.readbyqxmd.com/read/28229576/hormonal-responses-during-two-different-concurrent-training-trials-in-youth-elite-soccer-players-does-changing-the-organisation-of-training-impact-the-hormonal-response-to-concurrent-exercise
#1
Kevin Enright, James Morton, John Iga, Barry Drust
BACKGROUND: There are no data describing the acute hormonal responses to concurrent- training programmes in youth elite soccer players. Therefore, the aim of this study was to describe the total testosterone (T), cortisol (C), and growth hormone (hGH) responses during two same-day concurrent-training (CT) trials in elite soccer players. METHODS: n=13 youth elite players (age: 17.0±0.2 yrs; height, 1.80±0.07 m; body mass, 73.1±5.7 kg; VO2 max, 64.4±4.8ml-1.kg-1...
February 22, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28229316/utility-of-the-elf-test-for-detecting-steatohepatitis-in-morbid-obese-patients-with-suspicion-of-nonalcoholic-fatty-liver-disease
#2
Iria Cebreiros López, Florentina Guzmán Aroca, Maria Dolores Frutos Bernal, Juan Antonio Luján Mompeán, Águeda Bas Bernal, Antonio Miguel Hernández Martínez, Enrique Martínez Barba, Jose Antonio Noguera Velasco, Pascual Parilla Paricio
BACKGROUND: Morbid obese patients have a high rate of nonalcoholic fatty liver disease (NAFLD) and nonalcoholic steatohepatitis (NASH). NASH is related to the progression and poor evolution of chronic hepatopathy in NAFLD, so that its detection makes it possible to identify the subjects who are most at risk in order to prioritize treatment. The ELF test (Enhanced Liver Fibrosis test; Siemens Diagnostics, NY, USA) has been assessed for its capacity to detect fibrosis in patients with NAFLD, but its capacity for diagnosing NASH has not been checked...
February 22, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28229175/survival-prediction-of-trauma-patients-a-study-on-us-national-trauma-data-bank
#3
I Sefrioui, R Amadini, J Mauro, A El Fallahi, M Gabbrielli
BACKGROUND: Exceptional circumstances like major incidents or natural disasters may cause a huge number of victims that might not be immediately and simultaneously saved. In these cases it is important to define priorities avoiding to waste time and resources for not savable victims. Trauma and Injury Severity Score (TRISS) methodology is the well-known and standard system usually used by practitioners to predict the survival probability of trauma patients. However, practitioners have noted that the accuracy of TRISS predictions is unacceptable especially for severely injured patients...
February 22, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28228730/a-signature-of-circulating-micrornas-predicts-the-susceptibility-of-acute-mountain-sickness
#4
Bao Liu, He Huang, Gang Wu, Gang Xu, Bing-Da Sun, Er-Long Zhang, Jian Chen, Yu-Qi Gao
Background: Acute mountain sickness (AMS) is a common disabling condition in individuals experiencing high altitudes, which may progress to life-threatening high altitude cerebral edema. Today, no established biomarkers are available for prediction the susceptibility of AMS. MicroRNAs emerge as promising sensitive and specific biomarkers for a variety of diseases. Thus, we sought to identify circulating microRNAs suitable for prediction the susceptible of AMS before exposure to high altitude. Methods: We enrolled 109 healthy man adults and collected blood samples before their exposure to high altitude...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28228403/antenatal-betamethasone-attenuates-the-angiotensin-1-7-mas-receptor-nitric-oxide-axis-in-isolated-proximal-tubule-cells
#5
Yixin Su, Jianli Bi, Victor M Pulgar, Mark C Chappell, James C Rose
We previously reported a sex-specific effect of antenatal treatment with betamethasone (Beta) on sodium (Na(+)) excretion in adult sheep whereby treated males but not females had an attenuated natriuretic response to Ang-(1-7). The present study determined the Na(+) uptake and nitric oxide (NO) response to low dose Ang-(1-7) (1 pM) in renal proximal tubule cells (RPTC) from adult male and female sheep antenatally exposed to Beta or vehicle. Data were expressed as % of basal uptake or area under the curve (AUC) for Na(+) or % of control for NO...
February 22, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28228332/calorically-restricted-diets-decrease-pcsk9-in-overweight-adolescents
#6
A E Levenson, C E Milliren, S B Biddinger, C B Ebbeling, H A Feldman, D S Ludwig, S D de Ferranti
BACKGROUND AND AIMS: Nutritional therapy is the first line approach to treatment of hyperlipidemia in childhood. Proprotein convertase subtilisin kexin type 9 (PCSK9) is a key regulator of plasma cholesterol levels and a target of novel lipid-lowering pharmacotherapies. We examined the effects of an intensive nutritional intervention on PCSK9 levels in overweight adolescents with cardiovascular disease (CVD) risk factors. METHODS AND RESULTS: Twenty seven obese and overweight adolescents with CVD risk factors were assigned to either a low fat or low glycemic load diet...
January 3, 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/28228310/comparison-of-pesi-echocardiogram-ctpa-and-nt-probnp-as-risk-stratification-tools-in-patients-with-acute-pulmonary-embolism
#7
A Vamsidhar, D Rajasekhar, V Vanajakshamma, A Y Lakshmi, K Latheef, C Siva Sankara, G Obul Reddy
OBJECTIVE: The aim of this study is to prospectively assess the diagnostic accuracy of pulmonary embolism severity index, echocardiogram, computed tomography pulmonary angiogram (CTPA), and N-terminal pro b-type natriuretic peptide (NT-proBNP) for predicting adverse events in acute pulmonary embolism patients. METHODS: Thirty consecutive acute pulmonary embolism patients were included in this study. Combined adverse events consisted of in-hospital death or use of escalation of care including cardiopulmonary resuscitation, mechanical ventilation, vasopressor therapy, or secondary thrombolysis during hospital stay...
January 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28228220/-measurements-of-pulmonary-artery-size-for-assessment-of-pulmonary-hypertension-by-cardiovascular-magnetic-resonance-and-clinical-application
#8
Fan Yang, Dong Li, Zhenwen Yang, Zhang Zhang, Dan Wang, Tielian Yu
BACKGROUND: Pulmonary hypertension (PH) often leads to dilatation of main pulmonary artery (MPA). MPA measurements can be used to predict PH. This aim of this study is to investigate power of MPA vessel indices, which are acquired from cardiovascular magnetic resonance, to evaluate PH. METHODS: Cardiovascular-magnetic-resonance-determined parameters of MPA were acquired and calculated in 83 PH patients, whose diagnosis were confirmed with right heart catheterization and 49 healthy volunteers; these parameters included MPA diameter (DPA), ratio of DPA and ascending aorta diameter (DPA/DAo), max mean diameter (MDmax), min mean diameter (MDmin), fraction transverse diameter (fTD), fraction longitudinal diameter (fLD), and distensibility...
February 20, 2017: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/28227974/heart-rate-variability-as-a-biomarker-for-sedation-depth-estimation-in-icu-patients
#9
Sunil B Nagaraj, Sowmya M Ramaswamy, Siddharth Biswal, Emily J Boyle, David W Zhou, Lauren M Mcclain, Eric S Rosenthal, Patrick L Purdon, M Brandon Westover, Sunil B Nagaraj, Sowmya M Ramaswamy, Siddharth Biswal, Emily J Boyle, David W Zhou, Lauren M Mcclain, Eric S Rosenthal, Patrick L Purdon, M Brandon Westover, M Brandon Westover, Sunil B Nagaraj, Siddharth Biswal, Sowmya M Ramaswamy, Lauren M Mcclain, David W Zhou, Emily J Boyle, Patrick L Purdon, Eric S Rosenthal
An automated patient-specific system to classify the level of sedation in ICU patients using heart rate variability signal is presented in this paper. ECG from 70 mechanically ventilated adult patients with administered sedatives in an ICU setting were used to develop a support vector machine based system for sedation depth monitoring using several heart rate variability measures. A leave-one-subject-out cross validation was used for classifier training and performance evaluations. The proposed patient-specific system provided a sensitivity, specificity and an AUC of 64%, 84...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227934/effect-of-embedding-dimension-on-complexity-measures-in-identifying-arrhythmia
#10
Radhagayathri K Udhayakumar, Chandan Karmakar, Peng Li, Marimuthu Palaniswami, Radhagayathri K Udhayakumar, Chandan Karmakar, Peng Li, Marimuthu Palaniswami, Marimuthu Palaniswami, Radhagayathri K U Udhayakumar, Peng Li, Chandan Karmakar
Entropy measures like Approximate entropy (ApEn) and Sample entropy (SampEn) are well established tools to analyze Heart Rate Variability (HRV) data. Critical parameters involved in these computations namely embedding dimension m and tolerance r are in most cases assumed to be 2 and 0.2*signal SD (standard devaition) respectively. Such assumptions do not work fairly across data sets and thus create misleading results in many cases. Problems with r have been addressed with the advent of newer entropy measures like Permutation entropy (PE), Fuzzy entropy (FuzzyEn) and Distribution entropy (DistEn) that simply eliminate, modify or replace r from calculations...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227826/assessing-subsets-of-analytes-in-context-of-detecting-laboratory-errors
#11
J Sourati, S C Kazmierczak, M Akcakaya, J G Dy, T K Leen, D Erdogmus, J Sourati, S C Kazmierczak, M Akcakaya, J G Dy, T K Leen, D Erdogmus, D Erdogmus, J Sourati, S C Kazmierczak, J G Dy, T K Leen, M Akcakaya
Laboratory error detection is a hard task yet plays an important role in efficient care of the patients. Quality controls are inadequate in detecting pre-analytic errors and are not frequent enough. Hence population- and patient-based detectors are developed. However, it is not clear what set of analytes leads to the most efficient error detectors. Here, we use three different scoring functions that can be used in detecting errors, to rank a set of analytes in terms of their strength in distinguishing erroneous measurements...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227811/detection-of-movement-related-cortical-potential-effects-of-causal-vs-non-causal-processing
#12
Omid G Sani, Ricardo Chavarriaga, Mohammad B Shamsollahi, Jose Del R Millan, Omid G Sani, Ricardo Chavarriaga, Mohammad B Shamsollahi, Jose Del R Millan, Mohammad B Shamsollahi, Omid G Sani, Ricardo Chavarriaga, Jose R Del Millan
Movement Related Cortical Potentials (MRCP) have been the subject of numerous studies. They accompany many self-initiated movements and this makes them a good candidate for incorporation in BCI paradigms. In this work we propose a novel experimental protocol involving natural controlling of a computer mouse and based on EEG recordings from 5 subjects, show that it elicits MRCP. We also show the feasibility of online detection of MRCP by implementing a classification based detection framework. Additionally, we discuss the adverse effects of causality restriction on detection performance by implementing an additional offline approach relaxing those restrictions and comparing the results...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227680/a-mobile-platform-for-automated-screening-of-asthma-and-chronic-obstructive-pulmonary-disease
#13
Daniel B Chamberlain, Rahul Kodgule, Richard Ribon Fletcher, Daniel B Chamberlain, Rahul Kodgule, Richard Ribon Fletcher, Daniel B Chamberlain, Richard Ribon Fletcher, Rahul Kodgule
Chronic Obstructive Pulmonary Disease (COPD) and asthma each represent a large proportion of the global disease burden; COPD is the third leading cause of death worldwide and asthma is one of the most prevalent chronic diseases, afflicting over 300 million people. Much of this burden is concentrated in the developing world, where patients lack access to physicians trained in the diagnosis of pulmonary disease. As a result, these patients experience high rates of underdiagnosis and misdiagnosis. To address this need, we present a mobile platform capable of screening for Asthma and COPD...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227549/prediction-of-microsleeps-from-eeg-preliminary-results
#14
Reza Shoorangiz, Stephen J Weddell, Richard D Jones, Reza Shoorangiz, Stephen J Weddell, Richard D Jones, Stephen J Weddell, Reza Shoorangiz, Richard D Jones
Brief episodes of momentarily falling asleep - microsleeps - can have fatal consequences, especially in the transportation sector. In this study, the EEG data of eight subjects, while performing a 1-D tracking task, were used to predict imminent microsleeps. A novel algorithm was developed to improve the accuracy of microsleep identification from two independent measures: tracking performance and face-video. The uncertain labels of gold-standard were then pruned out. Additionally, the state of microsleep at 0...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227433/microprinted-tumor-spheroids-enable-anti-cancer-drug-screening
#15
Pradip S Thakuri, Stephanie L Ham, Hossein Tavana, Pradip S Thakuri, Stephanie L Ham, Hossein Tavana, Stephanie L Ham, Hossein Tavana
Spheroids present a biologically relevant model of avascular tumors and a unique tool for discovery of anti-cancer drugs. Despite being used in research laboratories for several decades, spheroids are not routinely used for drug discovery primarily due to the difficulty of mass-producing uniformly-sized spheroids and intense labor involved in handling, drug treatment, and analyzing them. We overcome this barrier using a novel technology to robotically microprint spheroids in standard 384-well plates. An aqueous drop containing cancer cells is dispensed into a bath of a second, immiscible aqueous phase...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227418/automatic-pneumonia-detection-based-on-ultrasound-video-analysis
#16
Pedro Cisneros-Velarde, Malena Correa, Holger Mayta, Cynthia Anticona, Monica Pajuelo, Richard Oberhelman, William Checkley, Robert H Gilman, Dante Figueroa, Mirko Zimic, Roberto Lavarello, Benjamin Castaneda, Pedro Cisneros-Velarde, Malena Correa, Holger Mayta, Cynthia Anticona, Monica Pajuelo, Richard Oberhelman, William Checkley, Robert H Gilman, Dante Figueroa, Mirko Zimic, Roberto Lavarello, Benjamin Castaneda, Robert H Gilman, Holger Mayta, Monica Pajuelo, Cynthia Anticona, Roberto Lavarello, Dante Figueroa, Pedro Cisneros-Velarde, Richard Oberhelman, Mirko Zimic, Benjamin Castaneda, William Checkley, Malena Correa
Pneumonia is a disease which causes high mortality in children under five years old, particularly in developing countries. This paper proposes a novel application of ultrasound video analysis for the detection of pneumonia. This application is based on the processing of small video chunks, in which an image processing algorithm analyzes each frame to get some overall video statistics. Then, based on these quantities, the likeness of presence of pneumonia in the video is determined. The algorithm exploits different geometrical properties of typical anatomical and pathological features that commonly appear in lung sonography and which are already clinically typified in the literature...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227414/breast-lesion-detection-and-characterization-with-3d-features
#17
Arathi Sreekumari, K S Shriram, Vivek Vaidya, Arathi Sreekumari, K S Shriram, Vivek Vaidya, Vivek Vaidya, K S Shriram, Arathi Sreekumari
Automated Breast Ultrasound (ABUS) is highly effective as breast cancer screening adjunct technology. Automation can greatly enhance the efficiency of the clinician sifting through the quantum of data in ABUS volumes to spot lesions. We have implemented a fully automatic generic algorithm pipeline for detection and characterization of lesions on such 3D volumes. We compare a wide range of features for region description on their effectiveness at the dual goals of lesion detection and characterization. On multiple feature images, we compute region descriptors at lesion candidate locations obviating the need for explicit lesion segmentation...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227310/analysis-of-glottal-source-parameters-in-parkinsonian-speech
#18
Jane Hanratty, Catherine Deegan, Mary Walsh, Barry Kirkpatrick, Jane Hanratty, Catherine Deegan, Mary Walsh, Barry Kirkpatrick, Mary Walsh, Barry Kirkpatrick, Jane Hanratty, Catherine Deegan
Diagnosis and monitoring of Parkinson's disease has a number of challenges as there is no definitive biomarker despite the broad range of symptoms. Research is ongoing to produce objective measures that can either diagnose Parkinson's or act as an objective decision support tool. Recent research on speech based measures have demonstrated promising results. This study aims to investigate the characteristics of the glottal source signal in Parkinsonian speech. An experiment is conducted in which a selection of glottal parameters are tested for their ability to discriminate between healthy and Parkinsonian speech...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227297/features-of-cerebral-oxygenation-detects-brain-injury-in-premature-infants
#19
John M O'Toole, Mmoloki Kenosi, Daragh Finn, Geraldine B Boylan, Eugene M Dempsey, John M O'Toole, Mmoloki Kenosi, Daragh Finn, Geraldine B Boylan, Eugene M Dempsey, Daragh Finn, Eugene M Dempsey, Mmoloki Kenosi, John M Otoole, Geraldine B Boylan
Babies born prematurely can develop brain injury within days after birth. Early identification of high-risk infants enables appropriate clinical care to mitigate potential lifelong disabilities. Near infra-red spectroscopy is an established technology that can provide continuous measurements of cerebral oxygen saturation (rcSO2) over this critical period. We develop a feature set of the rcSO2 signal for the purpose of detecting brain injury. Our feature set contains amplitude, spectral, and fractal dimension features within 5 frequency bands...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227268/estimation-of-second-phase-insulin-secretion-in-the-zucker-fatty-rat
#20
Micaela Morettini, Francesco Di Nardo, Carla E Cogo, Emanuela Faelli, Sandro Fioretti, Laura Burattini, Piero Ruggeri, Micaela Morettini, Francesco Di Nardo, Carla E Cogo, Emanuela Faelli, Sandro Fioretti, Laura Burattini, Piero Ruggeri, Emanuela Faelli, Sandro Fioretti, Micaela Morettini, Piero Ruggeri, Laura Burattini, Francesco Di Nardo, Carla E Cogo
The purpose of the present study was to test the efficacy of the empiric index SPIR (Second-phase Insulin Release) in the quantification of second-phase insulin secretion in the Zucker Fatty Rat. SPIR index is defined as the area under the curve of insulin between 8 and 90 min after an Intravenous Glucose Tolerance Test (IVGTT). The validation of such index was performed against the second-phase β-cell responsiveness index (Φ2) provided by C-peptide minimal model. To this aim, Φ2 and SPIR were simultaneously computed from IVGTT data, measured in six Zucker fatty rats (ZFR), 7-to-9week-old, and seven age-matched Zucker lean rats (ZLR)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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