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https://www.readbyqxmd.com/read/29040221/thermoeffector-responses-at-a-fixed-rate-of-heat-production-in-heart-failure-patients
#1
Bryce N Balmain, Ollie Jay, Norman R Morris, Kenji Shiino, Glenn M Stewart, Rohan Jayasinghe, Jonathan Chan, Surendran Sabapathy
PURPOSE: Heart failure (HF) patients appear to exhibit altered thermoregulatory responses during exercise in the heat. However, the extent to which these responses are altered due to physiological impairments independently of biophysical factors associated with differences in metabolic heat production (Hprod), evaporative heat balance requirements (Ereq) and/or body size, is presently unclear. Therefore, we examined thermoregulatory responses in 10 HF and 10 age-matched controls (CON) similar in body size during exercise at a fixed rate of Hprod, and therefore Ereq in a 30°C environment...
October 16, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29037799/thermography-as-an-early-predictive-measurement-for-evaluating-epidural-and-femoral-sciatic-block-success-in-dogs
#2
Nina Küls, Karen J Blissitt, Darren J Shaw, Gudrun Schöffmann, Richard E Clutton
OBJECTIVE: To evaluate skin temperature increase as an early predictive measure for evaluating epidural and femoral-sciatic block success in dogs. STUDY DESIGN: Prospective clinical trial. ANIMALS: A total of 29 dogs undergoing orthopaedic surgery on one hindlimb. METHODS: Dogs were anaesthetized and placed into lateral recumbency with the affected limb uppermost and the coat was clipped. Baseline infrared thermographic images (T0) of the affected limb, of the paw pad of the affected leg and of the ipsilateral paw pad were taken...
March 25, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/29037684/chitosan-delays-ripening-and-ros-production-in-guava-psidium-guajava-l-fruit
#3
Willian Batista Silva, Gláucia Michelle Cosme Silva, Diederson Bortolini Santana, Acácio Rodrigues Salvador, David Barbosa Medeiros, Ikram Belghith, Natália Martins da Silva, Maria Helena Menezes Cordeiro, Gisele Polete Misobutsi
Guava is a typically tropical fruit highly perishable with a short shelf-life due to intense metabolic activity after harvested. In attempt to minimize the problems related to the postharvest, we evaluated the physiochemical characteristics and antioxidant system in guava fruits under chitosan coating at concentrations of 1%, 2%, and 3% stored at 25°C during 96h. The chitosan suppressed the respiratory rate, fresh weight loss, firmness and skin color with delay in the degradation of chlorophyll. In the treatment with 2% and 3% of chitosan in the solid soluble content and ascorbic acid were reduced; retarded the loss of titratable acidity during 96h after treatment...
March 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29037409/thermotolerance-health-profile-and-cellular-expression-of-hsp90ab1-in-nguni-and-boran-cows-raised-on-natural-pastures-under-tropical-conditions
#4
C L F Katiyatiya, G Bradley, V Muchenje
Boran (n=15) and Nguni (n=15) cows were used in a study to determine the effect of breed, age and coat colour on the concentration of heat shock protein 90 (HSP90AB1), physiological rectal and skin temperature, and markers of health. The cows were exposed to summer heat stress and Boran cows had higher significant (P<0.05) skin temperature (35.1±0.42°C) as compared to the Nguni cows (36.0±0.38°C). Nguni cows had higher body thermal gradients than the Boran cows. Boran cows had thicker skin (P<0.05) and longer hairs (24...
October 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/29037399/comparison-of-heat-strain-recovery-in-different-anti-heat-stress-clothing-ensembles-after-work-to-exhaustion
#5
Yijie Zhao, Wen Yi, Albert P C Chan, Daniel W M Chan
A hot environment combined with physically demanding tasks can subject workers to a higher risk of heat stress. A series of regulations and guidelines have been proposed to design appropriate anti-heat stress work uniform to reduce body heat strain. The present study aimed to examine heat strain recovery in different anti-heat stress clothing ensembles after work to exhaustion in the heat. 10 healthy males performed intermittent treadmill running/walking to exhaustion, followed by 30min passive recovery sitting in a climatic chamber, which simulated the hot and humid outdoor environment (34°C temperature, 60% relative humidity, 0...
October 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/29037398/thermoregulation-of-male-sheep-of-indigenous-or-exotic-breeds-in-a-tropical-environment
#6
Messy Hannear de Andrade Pantoja, Sérgio Novita Esteves, Manuel Antonio Chagas Jacinto, José Ricardo Macedo Pezzopane, Cláudia Cristina Paro de Paz, Jamile Andréa Rodrigues da Silva, José de Brito Lourenço Junior, Felipe Zandonadi Brandão, Ana Beatriz Bossois Moura, Narian Romanello, Daniela Botta, Alexandre Rossetto Garcia
Climate change has intensified the frequency of heat waves in the world, thereby exposing farm animals to stressful conditions. For better productive performance it is important to identify the most resilient genotypes. Thus, our objective was to evaluate the thermoregulatory responses of rams of tropical indigenous (Morada Nova and Santa Inês) and exotic breeds (Dorper and Texel), by monitoring the environmental and physiological indicators related to heat tolerance. The experiment was carried out in a tropical climate region (Cwa), in Brazil, for twelve months, which comprised spring, summer, autumn and winter...
October 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/29037377/thermographic-imaging-in-sports-and-exercise-medicine-a-delphi-study-and-consensus-statement-on-the-measurement-of-human-skin-temperature
#7
REVIEW
Danilo Gomes Moreira, Joseph T Costello, Ciro J Brito, Jakub G Adamczyk, Kurt Ammer, Aaron J E Bach, Carlos M A Costa, Clare Eglin, Alex A Fernandes, Ismael Fernández-Cuevas, José J A Ferreira, Damiano Formenti, Damien Fournet, George Havenith, Kevin Howell, Anna Jung, Glen P Kenny, Eleazar S Kolosovas-Machuca, Matthew J Maley, Arcangelo Merla, David D Pascoe, Jose I Priego Quesada, Robert G Schwartz, Adérito R D Seixas, James Selfe, Boris G Vainer, Manuel Sillero-Quintana
The importance of using infrared thermography (IRT) to assess skin temperature (tsk) is increasing in clinical settings. Recently, its use has been increasing in sports and exercise medicine; however, no consensus guideline exists to address the methods for collecting data in such situations. The aim of this study was to develop a checklist for the collection of tsk using IRT in sports and exercise medicine. We carried out a Delphi study to set a checklist based on consensus agreement from leading experts in the field...
October 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/29037375/modelling-hand-skin-temperature-in-relation-to-body-composition
#8
Katarina Katić, Rongling Li, Boris Kingma, Wim Zeiler
Skin temperature is a challenging parameter to predict due to the complex interaction of physical and physiological variations. Previous studies concerning the correlation of regional physiological characteristics and body composition showed that obese people have higher hand skin temperature compared to the normal weight people. To predict hand skin temperature in a different environment, a two-node hand thermophysiological model was developed and validated with published experimental data. In addition, a sensitivity analysis was performed which showed that the variations in skin blood flow and blood temperature are most influential on hand skin temperature...
October 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/29037374/sensitivity-to-cutaneous-warm-stimuli-varies-greatly-in-the-human-head
#9
Yung-Bin Kim, Dahee Jung, Joonhee Park, Joo-Young Lee
The head has been known as the most sensitive area to temperature changes but the values are limited to the face. The purpose of this study was to examine cutaneous warm thresholds on the scalp and face of young males. Eight males participated in this study (24 ± 3 yrs in age, 178.2 ± 5.3cm in height, and 90.0 ± 15.4kg in body mass). All measurements were conducted in an environmental chamber (27 ± 1°C air temperature and 53 ± 1% relative humidity). Cutaneous warm thresholds were measured on nine areas of the following regions: the frontal (two points on the right), parietal (a point on the right and the vertex, respectively), temporal (two points on the right), and occipital region (on the right) along with the forehead using a thermal stimulator (rate of temperature increase 0...
October 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/29037371/body-temperature-in-premature-infants-during-the-first-week-of-life-exploration-using-infrared-thermal-imaging
#10
Robin B Knobel-Dail, Diane Holditch-Davis, Richard Sloane, B D Guenther, Laurence M Katz
BACKGROUND: Hypothermia is a problem for very premature infants after birth and leads to increased morbidity and mortality. Previously we found very premature infants exhibit abnormal thermal patterns, keeping foot temperatures warmer than abdominal temperatures for their first 12h of life. PURPOSE: We explored the utility of infrared thermography as a non-invasive method for measuring body temperature in premature infants in an attempt to regionally examine differential temperatures...
October 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/29037368/developing-a-new-individualized-3-node-model-for-evaluating-the-effects-of-personal-factors-on-thermal-sensation
#11
Farzin Davoodi, Hasan Hasanzadeh, Seyed Alireza Zolfaghari, Mehdi Maerefat
Individual differences, such as weight, height, gender, age, and Basal Metabolic Rate (BMR), between human subjects can significantly affect body thermoregulatory mechanisms. Therefore, application of common population-based thermal comfort models cannot provide accurate results for an individual's thermal sensation. Based on the standard thermal models, including those of Fanger and Gagge, individual parameters are not considered in the evaluation of thermal sensations. Thus, these simplified standard models have some limitations under varied individual conditions...
October 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/29036251/an-adhesive-patch-based-skin-biopsy-device-for-molecular-diagnostics-and-skin-microbiome-studies
#12
Zuxu Yao, Ronald Moy, Talisha Allen, Burkhard Jansen
INTRODUCTION: A number of diagnoses in clinical dermatology are currently histopathologically confirmed and this image recognition-based confirmation generally requires surgical biopsies. The increasing ability of molecular pathology to corroborate or correct a clinical diagnosis based on objective gene expression, mutation analysis, or molecular microbiome data is on the horizon and would be further supported by a tool or procedure to collect samples non-invasively. This study characterizes such a tool in form of a 'bladeless' adhesive patch-based skin biopsy device...
October 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/29035620/effectiveness-of-salted-ice-bag-versus-cryo-compression-on-decreasing-intramuscular-and-skin-temperature
#13
Jennifer Ostrowski
CONTEXT: Rest, ice, compression, and elevation are commonly recommended immediately post-injury. Traditionally, ice bag with elastic wrap compression has been utilized, however recently intermittent cryo-compression units are being used. Limited research has evaluated tissue temperature decreases with intermittent cryo-compression units. OBJECTIVE: Evaluate magnitude of muscle and skin cooling. DESIGN: Repeated-measures counterbalanced study...
October 16, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29026630/sinister-seafood-bacteraemia-secondary-to-non-o1-o139-vibrio-cholerae-infection
#14
Maxime J Billick, Philip W Lam, Isaac I Bogoch
Introduction.Vibrio species are curved, motile Gram-negative bacilli found in estuarine and marine environments, and are known to cause to gastroenteritis, skin and soft tissue infections, and septicaemia. While not responsible for cholera epidemics, non-O1/O139 Vibrio cholerae (NOVC) is increasingly reported as a cause of gastroenteritis. Case presentation. A 66-year-old man presented to an emergency department with a 1 week history of epigastric pain, emesis and fever. Blood cultures drawn on admission initially demonstrated Gram-negative bacilli, and ultimately grew NOVC, which was later confirmed by matrix-assisted laser desorption ionization-time of flight MS...
July 2017: JMM Case Reports
https://www.readbyqxmd.com/read/29024607/development-of-an-automatic-puncturing-and-sampling-system-for-a-self-monitoring-blood-glucose-device
#15
Mari Abe-Doi, Makoto Oe, Ryoko Murayama, Mami Takahashi, Yasunobu Zushi, Hidenori Tanabe, Iseki Takamoto, Ryo Suzuki, Toshimasa Yamauchi, Takashi Kadowaki, Chieko Komiyama, Hiromi Sanada
BACKGROUND: Performing self-monitoring of blood glucose (SMBG) is a clinical challenge for elderly people with low dexterity. An all-in-one-type SMBG device that can simply and easily puncture and monitor would be useful for them. We developed an automatic skin-puncturing and blood-sampling (APS) system for introducing of an all-in-one-type SMBG device. The aims of this study were to determine if the developed APS system, which has automatic puncturing, squeezing, and application functions, could provide sufficient blood sample volumes for SMBG and to determine the factors associated with failure in the use of the system by adult volunteers...
October 12, 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/29021893/the-efficacy-of-oral-and-subcutaneous-antigen-specific-immunotherapy-in-murine-cow-s-milk-and-peanut-allergy-models
#16
Marlotte M Vonk, Laura Wagenaar, Raymond H H Pieters, Leon M J Knippels, Linette E M Willemsen, Joost J Smit, Betty C A M van Esch, Johan Garssen
BACKGROUND: Antigen-specific immunotherapy (AIT) is a promising therapeutic approach for both cow's milk allergy (CMA) and peanut allergy (PNA), but needs optimization in terms of efficacy and safety. AIM: Compare oral immunotherapy (OIT) and subcutaneous immunotherapy (SCIT) in murine models for CMA and PNA and determine the dose of allergen needed to effectively modify parameters of allergy. METHODS: Female C3H/HeOuJ mice were sensitized intragastrically (i...
2017: Clinical and Translational Allergy
https://www.readbyqxmd.com/read/29021505/skin-permeability-of-tulobuterol-in-two-transdermal-formulations-and-their-followability
#17
Yuichi Takizawa, Takeshi Goto, Shuji Sato, Naoya Ohmori, Kenji Mori, Yayoi Shimada, Kuei Chen, Takamitsu Miyagi, Fumio Fukai
Various generic transdermal formulations of tulobuterol containing rubber and acrylate base polymers are commercially available in Japan. However, none of the formulations have been compared directly with respect to the skin permeability of tulobuterol and to their follow ability. Tulobuterol Tape Sawai of rubber base and Tulobuterol Tape NP of acrylate base were used to conduct the in vitro 24-hour skin permeability test of tulobuterol at receiver solution temperatures of 32°C, 37°C, and 40°C. Furthermore, the followability of these tapes were examined by measuring the depth of the pores that were formed in their adhesive layer...
October 11, 2017: Drug Discoveries & Therapeutics
https://www.readbyqxmd.com/read/29021192/orderly-recruitment-of-thermoeffectors-in-resting-humans
#18
Zachary J Schlader, James R Sackett, Suman Sarker, Blair D Johnson
The recruitment of thermoeffectors, including thermoregulatory behavior, relative to changes in body temperature has not been quantified in humans. We tested the hypothesis that changes in skin blood flow, behavior, and sweating or metabolic rate are initiated with increasing changes in mean skin temperature (Tskin) in resting humans. While wearing a water perfused suit, twelve healthy young adults underwent heat (HEAT) and cold (COLD) stress that induced gradual changes in Tskin Subjects controlled the temperature of their dorsal neck to their perceived thermal comfort...
October 11, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29019444/evaluation-of-intraoperative-analgesia-provided-by-incisional-lidocaine-and-bupivacaine-in-cats-undergoing-ovariohysterectomy
#19
David Vicente, Annika Bergström
Objectives The objective of this study was to assess the intraoperative analgesic effect of preoperative infiltration of the incision site with lidocaine or a mixture of lidocaine with bupivacaine in cats undergoing ovariohysterectomy (OHE). Methods This was a prospective, randomised clinical study. Healthy female intact cats (n = 75) undergoing OHE under medetomidine-ketamine-buprenorphine anaesthesia were assigned randomly into three treatment groups (n = 25 per group) to receive one of two local anaesthesia protocols or placebo preoperatively in the midline incision: lidocaine 1...
October 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/29017881/the-effects-of-allantoin-arginine-and-nacl-on-thermal-melting-and-aggregation-of-ribonuclease-bovine-serum-albumin-and-lysozyme
#20
Tsutomu Arakawa, Nasib Karl Maluf
Allantoin is widely used as a skin care agent and readily forms crystals, which were recently shown to bind endotoxins and high molecular weight aggregates in cell culture harvests. Here, we have investigated the effects of allantoin on thermal stability and aggregation of protein using ribonuclease, bovine serum albumin and lysozyme using temperature-regulated circular dichroism (CD) and differential scanning microcalorimetry (DSC). Ribonuclease showed no change in thermal stability and aggregation by the addition of allantoin...
October 7, 2017: International Journal of Biological Macromolecules
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