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https://www.readbyqxmd.com/read/28227690/muscle-fiber-excitation-system
#1
Bertram N Ezenwa, Thomas Kernozek, Bertram N Ezenwa, Thomas Kernozek, Thomas Kernozek, Bertram N Ezenwa
Persons unable to exercise due to old age, immobility or medical condition may develop low bone density, decline in muscle contraction, blood pooling or clot. Due to musculoskeletal fragility caution is required in bone and muscle strengthening. Similarly, caution is required to use anticoagulant drug to prevent blood clot due to side effect, and compression devices are not as effective as drug. This paper presents a transcutaneous muscle fiber excitation system adaptable for use in seated, walking or lying position...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227136/can-ppg-be-used-for-hrv-analysis
#2
N Pinheiro, R Couceiro, J Henriques, J Muehlsteff, I Quintal, L Goncalves, P Carvalho, N Pinheiro, R Couceiro, J Henriques, J Muehlsteff, I Quintal, L Goncalves, P Carvalho, P Carvalho, J Muehlsteff, L Goncalves, N Pinheiro, J Henriques, I Quintal, R Couceiro
Heart rate variability (HRV) represents one of the most promising markers of the autonomic nervous system (ANS) regulation. However, it requires the acquisition of the ECG signal in order to reliably detect the RR intervals, which is not always easily and comfortably available in personal health applications. Additionally, due to progress in single spot optical sensors, photoplethysmography (PPG) is an interesting alternative for heartbeat interval measurements, since it is a more convenient and a less intrusive measurement technique...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227080/a-comparison-between-four-techniques-to-measure-cardiac-output
#3
A Pironet, P C Dauby, J G Chase, P Morimont, N Janssen, B Lambermont, S Davidson, T Desaive, A Pironet, P C Dauby, J G Chase, P Morimont, N Janssen, B Lambermont, S Davidson, T Desaive, T Desaive, B Lambermont, P C Dauby, N Janssen, P Morimont, A Pironet, J G Chase, S Davidson
Cardiac output is an important variable when monitoring hemodynamic status. In particular, changes in cardiac output represent the goal of several circulatory management therapies. Unfortunately, cardiac output is very difficult to estimate, either in experimental or clinical settings. The goal of this work is to compare four techniques to measure cardiac output: pressure-volume catheter, aortic flow probe, thermodilution, and the PiCCO monitor. These four techniques were simultaneously used during experiments of fluid and endotoxin administration on 7 pigs...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226308/preliminary-examination-of-metabolic-syndrome-response-to-motivational-interviewing-for-weight-loss-as-compared-to-an-attentional-control-and-usual-care-in-primary-care-for-individuals-with-and-without-binge-eating-disorder
#4
Rachel D Barnes, Jessica A Barber
Motivational interviewing (MI) treatment for weight loss is being studied in primary care. The effect of such interventions on metabolic syndrome or binge eating disorder (BED), both highly related to excess weight, has not been examined in primary care. This study conducted secondary analyses from a randomized controlled trial to test the impact of MI for weight loss in primary care on metabolic syndrome. 74 adult participants with overweight/obesity recruited through primary care were randomized to 12weeks of either MI, an attentional control, or usual care...
February 14, 2017: Eating Behaviors
https://www.readbyqxmd.com/read/28225796/what-can-we-learn-about-beat-perception-by-comparing-brain-signals-and-stimulus-envelopes
#5
Molly J Henry, Björn Herrmann, Jessica A Grahn
Entrainment of neural oscillations on multiple time scales is important for the perception of speech. Musical rhythms, and in particular the perception of a regular beat in musical rhythms, is also likely to rely on entrainment of neural oscillations. One recently proposed approach to studying beat perception in the context of neural entrainment and resonance (the "frequency-tagging" approach) has received an enthusiastic response from the scientific community. A specific version of the approach involves comparing frequency-domain representations of acoustic rhythm stimuli to the frequency-domain representations of neural responses to those rhythms (measured by electroencephalography, EEG)...
2017: PloS One
https://www.readbyqxmd.com/read/28224216/vascular-surgery-the-main-risk-factor-for-mortality-in-146-takayasu-arteritis-patients
#6
Nilton Salles Rosa Neto, Samuel Katsuyuki Shinjo, Maurício Levy-Neto, Rosa Maria Rodrigues Pereira
Takayasu arteritis (TA) is an idiopathic chronic inflammatory disease that affects the aorta and its main branches. According to disease involvement, patients may require surgical treatment mainly due ischemic lesions in association with medical therapy. We evaluated the impact of vascular interventions in a cohort of TA patients. Medical records from 146 TA patients were reviewed. Clinical features, medical, and surgical treatment were revised and disease activity was determined by clinical, laboratorial, and imaging parameters...
February 21, 2017: Rheumatology International
https://www.readbyqxmd.com/read/28224106/impact-of-high-dose-vitamin-c-on-platelet-function
#7
Bassem M Mohammed, Kimberly W Sanford, Bernard J Fisher, Erika J Martin, Daniel Contaifer, Urszula Osinska Warncke, Dayanjan S Wijesinghe, Charles E Chalfant, Donald F Brophy, Alpha A Fowler Iii, Ramesh Natarajan
AIM: To examine the effect of high doses of vitamin C (VitC) on ex vivo human platelets (PLTs). METHODS: Platelet concentrates collected for therapeutic or prophylactic transfusions were exposed to: (1) normal saline (control); (2) 0.3 mmol/L VitC (Lo VitC); or (3) 3 mmol/L VitC (Hi VitC, final concentrations) and stored appropriately. The VitC additive was preservative-free buffered ascorbic acid in water, pH 5.5 to 7.0, adjusted with sodium bicarbonate and sodium hydroxide...
February 4, 2017: World Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28223753/five-cases-of-phytophotodermatitis-caused-by-fig-leaves-and-relevant-literature-review
#8
Jin-Hwa Son, Hyunju Jin, Hyang-Suk You, Woo-Haing Shim, Jeong-Min Kim, Gun-Wook Kim, Hoon-Soo Kim, Hyun-Chang Ko, Moon-Bum Kim, Byung-Soo Kim
Phytophotodermatitis is a condition caused by sequential exposure to photosensitizing substances present in plants followed by ultraviolet light. Several plants (e.g., limes, celery, fig, and wild parsnip) contain furocoumarin compounds (psoralens). It is important for dermatologists to be aware of phytophotodermatitis because it may be misdiagnosed as cellulitis, tinea, or allergic contact dermatitis. We present five patients with a sharply defined erythematous swollen patch with bullae on both feet. They described soaking their feet in a fig leaves decoction to treat their underlying dermatologic diseases...
February 2017: Annals of Dermatology
https://www.readbyqxmd.com/read/28223421/is-the-united-states-preventive-services-task-force-still-a-voice-of-caution
#9
Jeanne Lenzer
No abstract text is available yet for this article.
February 21, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28223250/dorsal-cervical-spinal-cord-herniation-precipitated-by-kyphosis-deformity-correction-for-spinal-cord-tethering
#10
Robert S Heller, Steven W Hwang, Ron I Riesenburger
INTRODUCTION: Cervical spinal cord herniation (SCH) is a rare clinical entity. Reported following prior intradural surgery or surgery complicated by durotomy, patients return several months to years later with symptoms of worsening myelopathy. Herein is presented a case of a 51-year old female with SCH in the cervical spine following kyphosis deformity correction CASE DESCRIPTION: A 51-year old female presented to the Neurosurgery clinic with worsening cervical myelopathy due to cervical spinal cord tethering and adhesions from prior intradural surgery for Chiari malformation...
February 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28223176/prodromal-fever-indicates-high-risk-of-liver-failure-in-acute-hepatitis-b
#11
Wen-Jun Du, Li Liu, Chao Sun, Jin-Hong Yu, Di Xiao, Qiang Li
OBJECTIVES: The role of prodromal fever in the clinical course of acute hepatitis B virus (HBV) infection is still largely unclear. This study was conducted to investigate the factors associated with prodromal fever and its role on the developing of acute liver failure (ALF) in patients with acute hepatitis B (AHB). METHODS: AHB inpatients diagnosed between January 2006 and December 2010 were evaluated and followed. Clinical manifestations, results of laboratory tests, and outcomes were compared between patients with and without prodromal fever...
February 18, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28222767/knockdown-of-slc41a1-magnesium-transporter-promotes-mineralization-and-attenuates-magnesium-inhibition-during-osteogenesis-of-mesenchymal-stromal-cells
#12
Yu-Tzu Tsao, Ya-Yi Shih, Yu-An Liu, Yi-Shiuan Liu, Oscar K Lee
BACKGROUND: Magnesium is essential for numerous physiological functions. Magnesium exists mostly in bone and the amount is dynamically regulated by skeletal remodeling. Accelerating bone mass loss occurs when magnesium intake is insufficient; whereas high magnesium could lead to mineralization defects. However, the underlying magnesium regulatory mechanisms remain elusive. In the present study, we investigated the effects of high extracellular magnesium concentration on osteogenic differentiation of mesenchymal stromal/stem cells (MSCs) and the role of magnesium transporter SLC41A1 in the mineralization process...
February 21, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28222743/estimating-deaths-attributable-to-airborne-particles-sensitivity-of-the-results-to-different-exposure-assessment-approaches
#13
Simone Giannini, Michela Baccini, Giorgia Randi, Giovanni Bonafè, Paolo Lauriola, Andrea Ranzi
BACKGROUND: Epidemiological evidences support the existence of an effect of airborne particulate on population health. However, few studies evaluated the robustness of the results to different exposure assessment approaches. In this paper, we estimated short term effects and impacts of high levels of particulate matter with aerodynamic diameter ≤10 μm (PM10) and ≤2.5 μm (PM2.5) in the Emilia-Romagna region (Northern Italy), one of the most polluted areas in Europe, in the period 2006-2010, and checked if the results changed when different exposure definitions were used...
February 22, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28222528/comparing-approaches-to-optimize-cut-off-scores-for-short-cognitive-screening-instruments-in-mild-cognitive-impairment-and-dementia
#14
Rónán O'Caoimh, Yang Gao, Anton Svendovski, Paul Gallagher, Joseph Eustace, D William Molloy
BACKGROUND: Although required to improve the usability of cognitive screening instruments (CSIs), the use of cut-off scores is controversial yet poorly researched. OBJECTIVE: To explore cut-off scores for two short CSIs: the Standardized Mini-Mental State Examination (SMMSE) and Quick Mild Cognitive Impairment (Qmci) screen, describing adjustments in scores for diagnosis (MCI or dementia), age (≤, >75 years), and education (<, ≥12 years), comparing two methods: the maximal accuracy approach, derived from receiver operating characteristic curves, and Youden's Index...
February 10, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28222232/dietary-total-antioxidant-capacity-in-early-school-age-and-subsequent-allergic-disease
#15
Anna Gref, Susanne Rautiainen, Olena Gruzieva, Niclas Håkansson, Inger Kull, Göran Pershagen, Magnus Wickman, Alicja Wolk, Erik Melén, Anna Bergström
BACKGROUND: Dietary antioxidant intake has been hypothesized to influence the development of allergic diseases, however, few prospective studies have investigated this association. OBJECTIVE: Our aim was to study the association between total antioxidant capacity (TAC) of the diet at age 8 years and the subsequent development of asthma, rhinitis and sensitization to inhalant allergens between 8 and 16 years, and to assess potential effect modification by known risk factors...
February 21, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28221331/caution-in-using-the-xen-augmented-baerveldt-surgical-technique
#16
Chelvin C A Sng, Jing Wang, Keith Barton
No abstract text is available yet for this article.
February 17, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28220964/effects-of-mind-body-interventions-on-depressive-symptoms-among-older-chinese-adults-a-systematic-review-and-meta-analysis
#17
REVIEW
Ai Bo, Weiyu Mao, Michael A Lindsey
OBJECTIVE: To determine the efficacy of mind-body interventions in depressive symptoms treatment among older Chinese adults (>60 years of age). METHODS: We searched MEDLINE, PsycINFO (Ovid), Embase (Ovid), CINAHL, Cochrane Central Register of Controlled Trials, China National Knowledge Infrastructure, Wanfang Data, Chinese Biomedical Literature Database, and Chongqing VIP for eligible studies until September 2016. We reviewed randomized controlled trials investigating the efficacy of mind-body interventions for depressive symptoms among Chinese older adults...
February 21, 2017: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28220051/the-effect-of-vibration-exposure-during-haul-truck-operation-on-grip-strength-touch-sensation-and-balance
#18
Jonisha Pollard, William Porter, Alan Mayton, Xueyan Xu, Eric Weston
Falls from mobile equipment are reported at surface mine quarry operations each year in considerable numbers. Research shows that a preponderance of falls occur while getting on/off mobile equipment. Contributing factors to the risk of falls include the usage of ladders, exiting onto a slippery surface, and foot or hand slippage. Balance issues may also contribute to fall risks for mobile equipment operators who are exposed to whole-body vibration (WBV). For this reason, the National Institute for Occupational Safety and Health, Office of Mine Safety and Health Research conducted a study at four participating mine sites with seven haul truck operators...
January 2017: International Journal of Industrial Ergonomics
https://www.readbyqxmd.com/read/28219977/adrenergic-receptors-in-individual-ventricular-myocytes-the-beta-1-and-alpha-1b-are-in-all-cells-the-alpha-1a-is-in-a-subpopulation-and-the-beta-2-and-beta-3-are-mostly-absent
#19
Bat-Erdene Myagmar, James M Flynn, Patrick M Cowley, Philip Swigart, Megan Montgomery, Kevin Thai, Divya R Nair, Rumita Gupta, Chihiro Hosoda, Simon Melov, Anthony J Baker, Paul C Simpson
Rationale: It is unknown if every ventricular myocyte expresses all 5 of the cardiac adrenergic receptors (ARs), beta-1, beta-2, beta-3, alpha-1A, and alpha-1B. The beta-1 and beta-2 are thought to be the dominant myocyte ARs. Objective: Quantify the 5 cardiac ARs in individual ventricular myocytes. Methods and Results: We studied ventricular myocytes from wild type mice, mice with alpha-1A and alpha-1B knockin reporters, and beta-1 and beta-2 knockout mice. Using individual isolated cells, we measured knockin reporters, mRNAs, signaling (phosphorylation of ERK and phospholamban), and contraction...
February 20, 2017: Circulation Research
https://www.readbyqxmd.com/read/28219552/unusual-gastrointestinal-bleeding-after-sutureless-aortic-valve-replacement-a-word-of-caution
#20
Jules Iquille, Joseph Nader, Eric Colpart, Thierry Caus
We report the clinical case of a male patient who presented, after an aortic valve replacement with a rapid deployment bioprosthesis, a Heyde-like syndrome, secondary to a moderate aortic paravalvular leakage. All the digestive and hematologic investigations confirmed the diagnosis. A redo surgery to fill the paravalvular gap was accomplished and the postoperative course was uneventful, with a normalization of the biological parameters. To our knowledge, this is the first described case of such a complication with the new generation of sutureless bioprosthesis...
March 2017: Annals of Thoracic Surgery
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