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body plethysmography

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https://www.readbyqxmd.com/read/28916572/anthropometric-indicators-as-body-fat-discriminators-in-children-and-adolescents-a-systematic-review-and-meta-analysis
#1
REVIEW
Carlos As Alves Junior, Michel C Mocellin, Eliane C Andrade Gonçalves, Diego As Silva, Erasmo Bsm Trindade
We analyzed the discriminatory capacity of anthropometric indicators for body fat in children and adolescents. This systematic review and meta-analysis included cross-sectional and clinical studies comprising children and adolescents aged 2-19 y that tested the discriminatory value for body fat measured by anthropometric methods or indexes generated by anthropometric variables compared with precision methods in the diagnosis of body fat [dual-energy X-ray absorptiometry (DXA), computed tomography, air displacement plethysmography (ADP), or MRI]...
September 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28912128/aging-modifies-the-effect-of-cardiac-output-on-middle-cerebral-artery-blood-flow-velocity
#2
Anne-Sophie G T Bronzwaer, Jasper Verbree, Wim J Stok, Mat J A P Daemen, Mark A van Buchem, Matthias J P van Osch, Johannes J van Lieshout
An association between cerebral blood flow (CBF) and cardiac output (CO) has been established in young healthy subjects. As of yet it is unclear how this association evolves over the life span. To that purpose, we continuously recorded mean arterial pressure (MAP; finger plethysmography), CO (pulse contour; CO-trek), mean blood flow velocity in the middle cerebral artery (MCAV; transcranial Doppler ultrasonography), and end-tidal CO2 partial pressure (PetCO2) in healthy young (19-27 years), middle-aged (51-61 years), and elderly subjects (70-79 years)...
September 2017: Physiological Reports
https://www.readbyqxmd.com/read/28910233/effects-of-supplementation-with-beef-or-whey-protein-versus-carbohydrate-in-master-triathletes
#3
Fernando Naclerio, Marco Seijo, Eneko Larumbe-Zabala, Nadia Ashrafi, Tatiana Christides, Bettina Karsten, Birthe V Nielsen
OBJECTIVE: The present study compares the effect of ingesting hydrolyzed beef protein, whey protein, and carbohydrate on performance, body composition (via plethysmography), muscular thickness, and blood indices of health, including ferritin concentrations, following a 10-week intervention program. METHODS: After being randomly assigned to one of the following groups-beef, whey, or carbohydrate-24 master-age (35-60 years old) male triathletes (n = 8 per treatment) ingested 20 g of supplement mixed with plain water once a day (immediately after training or before breakfast)...
September 14, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28901394/overexpression-of-atp5b-promotes-cell-proliferation-in-asthma
#4
Jianhong Zuo, Mingsheng Lei, Meilin Wen, Yikun Chen, Zhigang Liu
Asthma is a complicated systemic disease of the airways, which is characterized by variable symptoms, including bronchial hyper‑responsive-ness, inflammation and airflow obstruction. The prevalence of asthma has increased 2‑3‑fold over recent decades in developed countries; however, the molecular mechanism of asthma remains unclear. In the current study, the expression of recombinant protein Dermatophagoides farinaeI (Derf I) was induced by isopropyl β‑D‑1‑thiogalactoside (IPTG) and purified using Ni‑NTA...
August 31, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28886584/human-pulpal-blood-flow-in-different-root-formation-stages-measured-with-transmitted-light-plethysmography
#5
Khongorzul Ganbold, Satoko Kakino, Hideharu Ikeda, Michiyo Miyashin
OBJECTIVES: To determine the pulp vitality after traumatic injury, dentists often use pulp sensitivity tests, which can be ambiguous in young permanent teeth with incomplete root formation. Transmitted-light plethysmography (TLP) is a non-invasive objective method that uses a 525-nm LED to detect blood volume change in the pulp. The present study aimed (1) to investigate pulpal blood flow with TLP and optical characteristics in healthy permanent maxillary incisors in different root formation stages, and (2) to assess the influences of body growth of the children and tooth color on the TLP amplitude...
August 25, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28876331/clinically-applicable-optical-imaging-technology-for-body-size-and-shape-analysis-comparison-of-systems-differing-in-design
#6
B Bourgeois, B K Ng, D Latimer, C R Stannard, L Romeo, X Li, J A Shepherd, S B Heymsfield
BACKGROUND/OBJECTIVES: Recent advances have extended anthropometry beyond flexible tape measurements to automated three-dimensional optical devices that rapidly acquire hundreds of body surface dimensions. Three new devices were recently introduced that share in common inexpensive optical cameras. The design, and thus potential clinical applicability, of these systems differ substantially leading us to critically evaluate their accuracy and precision. SUBJECTS/METHODS: 113 adult subjects completed evaluations by the three optical devices (KX-16 (16 stationary cameras), Proscanner (1 vertically oscillating camera), and Styku scanner (1 stationary camera)), air displacement plethysmography (ADP), dual-energy X-ray absorptiometry (DXA) and a flexible tape measure...
September 6, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28867182/deficiency-of-klf4-compromises-the-lung-function-in-an-acute-mouse-model-of-allergic-asthma
#7
Jeanette A Nimpong, Wintana Gebregziabher, Udai P Singh, Prakash Nagarkatti, Mitzi Nagarkatti, Johnie Hodge, Chunming Liu, Daping Fan, Walden Ai
Asthma is a chronic inflammatory disease of the airways and the mechanisms are not fully understood. Myeloid-derived suppressor cells (MDSCs) are a heterogeneous group of monocytes, granulocyte and myeloid cells at early stage of differentiation. They possess phenotypic plasticity and regulate airway inflammation. We recently reported that Kruppel-like factor 4 (KLF4) regulates MDSC differentiation into fibrocytes, emerging effectors in chronic inflammation. However, the role of KLF4 in asthma is not known...
August 31, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28854913/reduced-growth-velocity-across-the-third-trimester-is-associated-with-placental-insufficiency-in-fetuses-born-at-a-normal-birthweight-a-prospective-cohort-study
#8
Teresa M MacDonald, Lisa Hui, Stephen Tong, Alice J Robinson, Kirsten M Dane, Anna L Middleton, Susan P Walker
BACKGROUND: While being small-for-gestational-age due to placental insufficiency is a major risk factor for stillbirth, 50% of stillbirths occur in appropriate-for-gestational-age (AGA, > 10th centile) fetuses. AGA fetuses are plausibly also at risk of stillbirth if placental insufficiency is present. Such fetuses may be expected to demonstrate declining growth trajectory across pregnancy, although they do not fall below the 10th centile before birth. We investigated whether reduced growth velocity in AGA fetuses is associated with antenatal, intrapartum and neonatal indicators of placental insufficiency...
August 31, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28853029/effect-of-high-intensity-interval-training-on-fitness-fat-mass-and-cardiometabolic-biomarkers-in-children-with-obesity-a-randomised-controlled-trial
#9
Katrin A Dias, Charlotte B Ingul, Arnt E Tjønna, Shelley E Keating, Sjaan R Gomersall, Turid Follestad, Mansoureh S Hosseini, Siri M Hollekim-Strand, Torstein B Ro, Margrete Haram, Else Marie Huuse, Peter S W Davies, Peter A Cain, Gary M Leong, Jeff S Coombes
BACKGROUND: Paediatric obesity significantly increases the risk of developing cardiometabolic diseases across the lifespan. Increasing cardiorespiratory fitness (CRF) could mitigate this risk. High-intensity interval training (HIIT) improves CRF in clinical adult populations but the evidence in paediatric obesity is inconsistent. OBJECTIVES: The objectives of this study were to determine the efficacy of a 12-week, HIIT intervention for increasing CRF and reducing adiposity in children with obesity...
August 29, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28851593/role-of-cystathionine-%C3%AE-lyase-in-hypoxia-induced-changes-in-task-activity-intracellular-ca-2-and-ventilation-in-mice
#10
Jiaju Wang, James O Hogan, Rui Wang, Carl White, Donghee Kim
Cystathionine-γ-lyase (CSE) is a multifunctional enzyme, and hydrogen sulfide (H2S) is one of its products. CSE and H2S have recently been proposed to be critical signaling molecules in hypoxia-induced excitation of carotid body (CB) glomus cells and the chemosensory response. Because the role of H2S in arterial chemoreception is still debated, we further examined the role of CSE by studying the effects of hypoxia on TASK K(+) channel activity, cell depolarization, [Ca(2+)]i and ventilation using CSE(+/+) and CSE(-/-) mice...
August 26, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28832576/longitudinal-assessment-of-body-composition-in-healthy-swedish-children-from-1-week-until-4-years-of-age
#11
H Henriksson, B Eriksson, E Forsum, E Flinke, P Henriksson, M Löf
BACKGROUND/OBJECTIVES: Knowledge of longitudinal body composition development is required to identify the mechanisms behind childhood overweight and obesity and to prevent these conditions. However, accurate data on this development in early childhood are lacking. Our aim was to describe the longitudinal body composition development in healthy young Swedish children. SUBJECTS/METHODS: Body size and composition were assessed in 26 children using air-displacement plethysmography (1 and 12 weeks and 4...
August 23, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28820662/the-impact-of-deep-muscle-training-on-the-quality-of-posture-and-breathing
#12
Elżbieta Szczygieł, Jędrzej Blaut, Katarzyna Zielonka-Pycka, Krzysztof Tomaszewski, Joanna Golec, Dorota Czechowska, Agata Masłoń, Edward Golec
Postural control and breathing are mechanically and neuromuscularly interdependent. Both systems- of spinal stability and respiration- involve the diaphragm, transversus abdominis, intercostal muscles, internal oblique muscles and pelvic floor muscles. The aim of the study was to evaluate the effect of exercises activating deep stabilizer muscles on postural control and quality of breathing movements. Eighteen volunteers (25,7 ± 3,5) were recruited from the general population. All the subjects implemented an exercise program activating deep muscles...
August 18, 2017: Journal of Motor Behavior
https://www.readbyqxmd.com/read/28819990/effects-of-maternal-high-fat-diet-and-sedentary-lifestyle-on-susceptibility-of-adult-offspring-to-ozone-exposure-in-rats
#13
C J Gordon, P M Phillips, A F M Johnstone, J Schmid, M C Schladweiler, A Ledbetter, S J Snow, U P Kodavanti
Epidemiological and experimental data suggest that obesity exacerbates the health effects of air pollutants such as ozone (O3). Maternal inactivity and calorically rich diets lead to offspring that show signs of obesity. Exacerbated O3 susceptibility of offspring could thus be manifested by maternal obesity. Thirty-day-old female Long-Evans rats were fed a control (CD) or high-fat (HF) (60% calories) diet for 6 wks and then bred. GD1 rats were then housed with a running wheel (RW) or without a wheel (SED) until parturition, creating four groups of offspring: CD-SED, CD-RW, HF-SED and HF-RW...
August 18, 2017: Inhalation Toxicology
https://www.readbyqxmd.com/read/28810518/ameliorative-effects-of-artemisia-pallens-in-a-murine-model-of-ovalbumin-induced-allergic-asthma-via-modulation-of-biochemical-perturbations
#14
Anwesha A Mukherjee, Amit D Kandhare, Supada R Rojatkar, Subhash L Bodhankar
INTRODUCTION: Asthma is a chronic, heterogeneous airway disorder characterized by airway inflammatory and remodeling. Artemisia pallens has been reported to possess antioxidant, anti-inflammatory and Anti-allergic potential. OBJECTIVE: To evaluate the anti-asthmatic effects of methanolic extract of Artemisia pallens (APME) against ovalbumin (OVA)-induced airway hyperresponsiveness (AHR) in rats. MATERIALS AND METHOD: AHR was induced in male Sprague-Dawley rats (180-200g) by intraperitoneal (i...
October 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28801068/lepr-polymorphism-may-affect-energy-balance-during-weight-loss-among-brazilians-obese-adolescents
#15
Flávia Campos Corgosinho, Sandro Soares Almeida, Lian Tock, João Bosco Pesquero, Ronaldo Carvalho Araújo, Ana Paula Grotti Clemente, Bárbara Dal'Molin Netto, Raquel Munhoz da Silveira Campos, Deborah Cristina Landi Masquio, Joana Pereira de Carvalho Ferreira, Priscila de Lima Sanches, Aline de Piano Ganen, Marcelo Macedo Rogero, Lila Missae Oyama, Sergio Tufik, Marco Túlio de Mello, Ana Raimunda Dâmaso
OBJECTIVE: Leptin is an adipokine released mainly by adipose tissue, with many functions including regulation of energy balance. However, little is known about the effect of LEPR polymorphism on orexigenic and anorexigenic neuropeptides. Thus, the aim of the present study is to verify the influence of LEPR polymorphism (rs2767485) on serum orexigenic (NPY, MCH and AgRP) and anorexigenic (Leptin and α-MSH) neuropeptides levels among obese adolescents submitted to 1year of multicomponent weight loss therapy...
August 2, 2017: Neuropeptides
https://www.readbyqxmd.com/read/28799180/accuracy-of-octa-polar-bioelectrical-impedance-analysis-for-the-assessment-of-total-and-appendicular-body-composition-in-children-and-adolescents-with-hiv-comparison-with-dual-energy-x-ray-absorptiometry-and-air-displacement-plethysmography
#16
J A C de Castro, L R A de Lima, D A S Silva
BACKGROUND: Body composition analysis has been used to investigate fat mass (FM) and bone mineral content (BMC) in children and adolescents diagnosed with HIV. Investigating the validity of bioelectrical impedance analysis (BIA) is interesting with respect to testing useful techniques for monitoring body composition in children and adolescents in clinical practice. The present study aimed to determine the validity of body composition analysis by BIA compared to dual-energy X-ray absorptiometry (DXA) and air displacement plethysmography (ADP) in children and adolescents an HIV diagnosis...
August 10, 2017: Journal of Human Nutrition and Dietetics: the Official Journal of the British Dietetic Association
https://www.readbyqxmd.com/read/28780373/provision-of-food-and-water-in-rodent-whole-body-plethysmography-safety-pharmacology-respiratory-studies-impact-on-animal-welfare-and-data-quality
#17
Claire Grant, Louise Marks, Helen Prior
INTRODUCTION: We evaluated the feasibility of providing food and water to rodents during whole body plethysmography (WBP) studies as a welfare improvement to standard conditions. METHODS: Male Han Wistar rats or CD1 mice (n=8) were placed in WBP chambers and respiratory parameters recorded for approximately 6h on four separate occasions. On each occasion the animals were exposed to a different plethysmography chamber environment using a randomised design: no food/water (the standard conditions), water bottle, hydrating gel and wet food...
August 2, 2017: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/28776929/consistency-of-a-mobile-body-composition-trailer-a-novel-portable-laboratory-assessment
#18
Gena R Gerstner, Eric D Ryan, Craig R Kleinberg, Andrew J Tweedell, Abbie E Smith-Ryan
OBJECTIVE: The purpose of this investigation was to (i) assess the test-retest reliability and minimum difference (MD) values of air-displacement plethysmography (ADP) and the Siri 3-compartment (3-C) model in a mobile trailer, and (ii) identify any environmental fluctuations in the trailer. METHODS: percent body fat (%BF) was examined in 22 firefighters on two separate days in a climate-controlled mobile trailer using ADP. Total body water was examined in a subset of participants (n = 12) using bioelectrical impedance spectroscopy (BIS) to determine %BF using Siri's 3-C model...
September 2017: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/28775071/the-acute-effects-of-long-acting-bronchodilators-on-small-airways-detected-in-copd-patients-by-single-breath-n2-test-and-lung-p-v-curve
#19
Matteo M Pecchiari, Pierachille Santus, Dejan Radovanovic, Edgardo Giacomo D'Angelo
Small airways represent the key factor of chronic obstructive pulmonary disease (COPD) pathophysiology. The effect of different classes of bronchodilators on small airways is still poorly understood and difficult to assess. Hence, the acute effects of tiotropium (18 µg) and indacaterol (150 µg) on closing volume (CV) and ventilation inhomogeneity were investigated and compared in 51 stable patients (mean age (SD): 70±7 years; 82% males) with moderate to very severe COPD. Patients underwent body-plethysmography, arterial blood gas-analysis, tidal expiratory flow limitation (EFL), dyspnea assessment, and simultaneous recording of single breath nitrogen test (SBN) and transpulmonary pressure-volume curve (PL-V), before and one hour after drug administration...
August 3, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28763490/conformational-risk-factors-of-brachycephalic-obstructive-airway-syndrome-boas-in-pugs-french-bulldogs-and-bulldogs
#20
Nai-Chieh Liu, Eileen L Troconis, Lajos Kalmar, David J Price, Hattie E Wright, Vicki J Adams, David R Sargan, Jane F Ladlow
Extremely brachycephalic, or short-muzzled, dog breeds such as pugs, French bulldogs, and bulldogs are prone to the conformation-related respiratory disorder-brachycephalic obstructive airway syndrome (BOAS). Affected dogs present with a wide range of clinical signs from snoring and exercise intolerance, to life-threatening events such as syncope. In this study, conformational risk factors for BOAS that could potentially aid in breeding away from BOAS were sought. Six hundred and four pugs, French bulldogs, and bulldogs were included in the study...
2017: PloS One
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