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https://www.readbyqxmd.com/read/28437237/proteomics-in-hypothermia-as-adjunctive-therapy-in-patients-with-st-segment-elevation-myocardial-infarction-a-chill-mi-substudy
#1
Moman A Mohammad, Marco Noc, Irene Lang, Michael Holzer, Peter Clemmensen, Ulf Jensen, Bernhard Metzler, David Erlinge
Cardiovascular and inflammatory biomarkers in therapeutic hypothermia have been studied in cardiac arrest, but data on patients with ST-segment elevation myocardial infarction (STEMI) treated with therapeutic hypothermia are currently unavailable. A multiplex proximity extension assay allowed us to measure 157 cardiovascular disease (CVD) and inflammatory disease-related biomarkers in patients from the international, multicenter, and randomized trial; CHILL-myocardial infarction (MI) and to explore the associations of cardiovascular and inflammatory biomarkers...
March 2, 2017: Therapeutic Hypothermia and Temperature Management
https://www.readbyqxmd.com/read/28429544/an-innovative-cooling-jacket-to-combat-heat-intolerance-in-children-with-anhidrosis
#2
Arun C Inamadar, Aparna Palit, Neha Khurana
Hyperthermia and heat intolerance are distressing symptoms in patients with anhidrosis. Body cooling devices are an integral part of management of these patients. A cooling jacket made from easily available materials has been invented for a girl with congenital insensitivity to pain and anhidrosis with severe heat intolerance. This innovative cooling jacket may be helpful for anhidrotic children in resource-poor situations.
April 21, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28422865/crystalglobulinemia-manifesting-as-chronic-arthralgia-and-acute-limb-ischemia-a-clinical-case-report
#3
Nobuya Abe, Tomoko Tomita, Miyuki Bohgaki, Hideki Kasahara, Takao Koike
RATIONALE: Crystalglobulinemia is a rare disease caused by monoclonal immunoglobulins, characterized by irreversible crystallization on refrigeration. It causes systemic symptoms including purpura, arthralgia, and vessel occlusive conditions to be exacerbated by exposure to cold. We report a patient with crystalglobulinemia associated with monoclonal gammopathy of undetermined significance (MGUS) manifesting as chronic arthralgia and recurrent acute arterial occlusion. PRESENTING CONCERNS: A 61-year-old man, who had been diagnosed with MGUS and who had arthralgia of unknown origin, presented with recurrent acute limb ischemia after surgical thromboembolectomy...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28421715/effect-of-water-bath-temperature-on-physiological-parameters-and-subjective-sensation-in-older-people
#4
Junji Ono, Nobuko Hashiguchi, Hiroyuki Sawatari, Tomoko Ohkusa, Mami Miyazono, Su-Young Son, Chie Magota, Yutaka Tochihara, Akiko Chishaki
AIM: In Japan, the incidence of water bathing-related cardiopulmonary accidents among older people is high in winter. The purpose of the present study was to investigate alterations in physiological characteristics and subjective thermal sensations of older people when bathing in a cool environment. METHODS: We assessed the skin temperature, rectal temperature, blood pressure, pulse rate, body fluid loss (sweat and urine), and subjective thermal responses of 11 older healthy male and 10 young male volunteers throughout 42°C and 39°C bathing in a room at 20°C with 50% humidity...
April 19, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/28415449/complementary-approaches-for-the-evaluation-of-biocompatibility-of-90-y-labeled-superparamagnetic-citric-acid-fe-er-3o4-coated-nanoparticles
#5
Bratislav Antic, Marko Boskovic, Jasmina Nikodinovic-Runic, Yue Ming, Hongguo Zhang, Emil S Bozin, Drina Janković, Vojislav Spasojevic, Sanja Vranjes-Djuric
Magnetic nanoparticles (MNPs) are of immense interest for diagnostic and therapeutic applications in medicine. Design and development of new iron oxide-based MNPs for such applications is of rather limited breadth without reliable and sensitive methods to determine their levels in body tissues. Commonly used methods, such as ICP, are quite problematic, due to the inability to decipher the origin of the detected iron, i.e. whether it originates from the MNPs or endogenous from tissues and bodily fluids. One of the approaches to overcome this problem and to increase reliability of tracing MNPs is to partially substitute iron ions in the MNPs with Er...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28415445/microstructural-and-surface-modifications-and-hydroxyapatite-coating-of-ti-6al-4v-triply-periodic-minimal-surface-lattices-fabricated-by-selective-laser-melting
#6
Chunze Yan, Liang Hao, Ahmed Hussein, Qingsong Wei, Yusheng Shi
Ti-6Al-4V Gyroid triply periodic minimal surface (TPMS) lattices were manufactured by selective laser melting (SLM). The as-built Ti-6Al-4V lattices exhibit an out-of-equilibrium microstructure with very fine α' martensitic laths. When subjected to the heat treatment of 1050°C for 4h followed by furnace cooling, the lattices show a homogenous and equilibrium lamellar α+β microstructure with less dislocation and crystallographic defects compared with the as-built α' martensite. The as-built lattices present very rough strut surfaces bonded with plenty of partially melted metal particles...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28411740/optimal-bus-temperature-for-thermal-comfort-during-a-cool-day
#7
K B Velt, H A M Daanen
A challenge for electric buses is to minimize heating and cooling power to maximally extend the driving range, but still provide sufficient thermal comfort for the driver and passengers. Therefore, we investigated the thermal sensation (TS) and thermal comfort (TC) of passengers in buses during a cool day (temperature 13.4 ± 0.5 °C, relative humidity (RH) 60 ± 5.8%) typical for the Dutch temperate maritime climate. 28 Males and 72 females rated TS and TC and gave information on age, stature, body weight and worn garments...
July 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28411350/acute-appendicitis-somatosensory-disturbances-head-zones-and-the-differential-diagnosis-of-anterior-cutaneous-nerve-entrapment-syndrome-acnes
#8
Rudi M H Roumen, Wouter Vening, Rosanne Wouda, Marc M Scheltinga
BACKGROUND: Anterior cutaneous nerve entrapment syndrome (ACNES) is a neuropathic abdominal wall pain syndrome typically characterized by locally altered skin sensations. On the other hand, visceral disease may also be associated with similar painful and altered skin sensations ("Head zones"). Aim of the study was to determine if patients with acute appendicitis demonstrated somatosensory disturbances in the corresponding right lower quadrant Head zone. METHODS: The presence of somatosensory disturbances such as hyperalgesia, hypoesthesia, altered cool perception, or positive pinch test was determined in 100 patients before and after an appendectomy...
April 14, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28404580/effects-of-face-head-and-whole-body-cooling-during-passive-heat-stress-on-human-somatosensory-processing
#9
Hiroki Nakata, Mari Namba, Ryusuke Kakigi, Manabu Shibasaki
We herein investigated the effects of face/head and whole body cooling during passive heat stress on human somatosensory processing recorded by somatosensory-evoked potentials (SEPs) at C4' and Fz electrodes. Fourteen healthy subjects received a median nerve stimulation at the left wrist. SEPs were recorded at normothermic baseline (Rest), when esophageal temperature had increased by ~1.2 °C (Heat stress: HS) during passive heating, face/head cooling during passive heating (face/head cooling: FHC), and after HS (whole body cooling: WBC)...
April 12, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28391258/dexmedetomidine-combined-with-therapeutic-hypothermia-is-associated-with-cardiovascular-instability-and-neurotoxicity-in-a-piglet-model-of-perinatal-asphyxia
#10
Mojgan Ezzati, Go Kawano, Eridan Rocha-Ferreira, Daniel Alonso-Alconada, Jane K Hassell, Kevin D Broad, Igor Fierens, Bobbi Fleiss, Alan Bainbridge, David L Price, Pardis Kaynezhad, Brian Anderson, Mariya Hristova, Ilias Tachtsidis, Xavier Golay, Pierre Gressens, Robert D Sanders, Nicola J Robertson
The selective α2-adrenoreceptor agonist dexmedetomidine has shown neuroprotective, analgesic, anti-inflammatory, and sympatholytic properties that may be beneficial in neonatal encephalopathy (NE). As therapeutic hypothermia is only partially effective, adjunct therapies are needed to optimize outcomes. The aim was to assess whether hypothermia + dexmedetomidine treatment augments neuroprotection compared to routine treatment (hypothermia + fentanyl sedation) in a piglet model of NE using magnetic resonance spectroscopy (MRS) biomarkers, which predict outcomes in babies with NE, and immunohistochemistry...
April 8, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28389216/effects-of-cooling-before-and-during-simulated-match-play-on-thermoregulatory-responses-of-athletes-with-tetraplegia
#11
Katy E Griggs, George Havenith, Thomas A W Paulson, Michael J Price, Victoria L Goosey-Tolfrey
OBJECTIVES: Athletes with high level spinal cord injuries (tetraplegia) are under greater thermal strain during exercise than the able-bodied. The purpose of this study was to investigate the effectiveness of pre-cooling using an ice vest and the combination of pre-cooling and cooling during play using water sprays in athletes with tetraplegia. DESIGN: Counter-balanced, cross-over design. METHODS: Eight wheelchair rugby players with tetraplegia completed a 60min intermittent sprint protocol (ISP) on a wheelchair ergometer in 20...
March 21, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28388211/super-planckian-electron-cooling-in-a-van-der-waals-stack
#12
Alessandro Principi, Mark B Lundeberg, Niels C H Hesp, Klaas-Jan Tielrooij, Frank H L Koppens, Marco Polini
Radiative heat transfer (RHT) between macroscopic bodies at separations that are much smaller than the thermal wavelength is ruled by evanescent electromagnetic modes and can be orders of magnitude more efficient than its far-field counterpart, which is described by the Stefan-Boltzmann law. In this Letter, we present a microscopic theory of RHT in van der Waals stacks comprising graphene and a natural hyperbolic material, i.e., hexagonal boron nitride (hBN). We demonstrate that RHT between hot carriers in graphene and hyperbolic phonon polaritons in hBN is extremely efficient at room temperature, leading to picosecond time scales for the carrier cooling dynamics...
March 24, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28380539/the-larson-blue-coat-color-phenotype-in-holsteins-characteristics-and-effects-on-body-temperature-regulation-and-production-in-lactating-cows-in-a-hot-climate
#13
S Dikmen, G E Dahl, J B Cole, D J Null, P J Hansen
Here we report a previously undescribed coat color phenotype in Holstein cattle. Larson Blue Holsteins, located on a dairy in south Florida, exhibit a coloration pattern that is similar to that of black and white or red and white Holsteins except that, instead of being black or red, darker regions of the body vary in color from gray to taupe. The Larson Blue phenotype was readily apparent in young calves. The phenotype is not due to inheritance of known mutations causing coat color variation in cattle, including dominant red, Telstar, silver color dilutor, or Dun color...
March 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28380517/surface-wetting-strategy-prevents-acute-heat-exposure-induced-alterations-of-hypothalamic-stress-and-metabolic-related-genes-in-broiler-chickens
#14
H Rajaei-Sharifabadi, E Greene, A Piekarski, D Falcon, L Ellestad, A Donoghue, W Bottje, T Porter, Y Liang, S Dridi
Heat stress (HS) is devastating to poultry production worldwide, yet its biology and molecular responses are not well defined. Although advances in management strategy have partially alleviated the negative impact of HS, productivity still continues to decline when the ambient temperature rises. Therefore, identifying mechanism-based approaches to decrease HS susceptibility while improving production traits is critical. Recently, we made a breakthrough by applying a surface wetting strategy and showing that it improves growth performance compared with the current conventional cooling system...
March 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28378983/effects-of-sauna-bathing-on-stress-related-genes-expression-in-athletes-and-non-athletes
#15
Małgorzata Zychowska, Paweł Półrola, Grzegorz Chruściński, Jolanta Zielińska, Jolanta Góral-Półrola
INTRODUCTION AND OBJECTIVE: Heat stress induces the expression of genes encoding heat-shock proteins and immune response mediators. The aim of this study was to determine the differences in the expression of genes encoding heat-shock proteins 70 kDa and27 kDa, interleukin 6, interleukin 10and C-reactive protein, between athletes and non-athletes after sauna bathing. MATERIALS AND METHOD: Athletes (n=9) and non-athletes (n=9) were exposed to a Finnish sauna twice during one session at a temperature of 98...
March 21, 2017: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/28376678/whole-body-precooling-attenuates-the-extracellular-hsp72-il-6-and-il-10-responses-after-an-acute-bout-of-running-in-the-heat
#16
Ben J Lee, Neil D Clarke, Joanne Hankey, Charles D Thake
The impact of whole-body precooling on the extracellular heat shock protein 72 (eHSP72) and cytokine responses to running in the heat is undefined. The aim of this study was to determine whether precooling would attenuate post-exercise eHSP72 and cytokine responses. Eight male recreational runners completed two 90-minute bouts of running at 65% [Formula: see text]O2max in 32 ± 0.9°C and 47 ± 6 % relative humidity (RH) preceded by either 60-minutes of precooling in 20.3 ± 0.3°C water (COOL) or 60 min rest in an air-conditioned laboratory (20...
April 5, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28369606/comparison-of-two-low-cost-methods-of-cooling-neonates-with-hypoxic-ischemic-encephalopathy
#17
Machilakath Panangandi Shabeer, Thangaraj Abiramalatha, Abhilasha Smith, Pradita Shrestha, Grace Rebekah, Arulmoorthy Meghala, Niranjan Thomas
Background: Several low-cost methods are used in resource-limited settings to provide therapeutic hypothermia in asphyxiated neonates. There is inadequate data about their efficacy and safety. This is a retrospective study comparing two low-cost cooling methods-frozen gel packs (FGP) and phase changing material (PCM). Results: There were 23 babies in FGP and 45 babies in the PCM group. Induction time was significantly shorter with FGP than PCM (45 vs. 90 minutes; p -value < 0...
October 5, 2016: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/28361417/participation-of-purinergic-p2x-receptors-in-the-thermoregulatory-response-to-cooling
#18
T V Kozyreva, E S Meyta, V P Kozaruk
We studied the role of purinergic P2X receptors in the body response to cooling. In experiments on rats, P2X receptor antagonist PPADS was administered in different modes, which resulted in changes of different characteristics of the thermoregulatory response to cold. Iontophoresis of P2X antagonist into the skin decreased the thermal thresholds of all thermoregulatory responses to cooling, which can attest to a modulating effect of P2X receptors on peripheral thermosensitive afferents. Intraperitoneal administration of P2X antagonist suppressed thermoregulatory activity of skeletal muscles (shivering) developing during cooling without changing the thresholds of thermoregulatory responses...
March 30, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28349095/cooling-interventions-for-athletes-an-overview-of-effectiveness-physiological-mechanisms-and-practical-considerations
#19
REVIEW
Coen C W G Bongers, Maria T E Hopman, Thijs M H Eijsvogels
Exercise-induced increases in core body temperature could negative impact performance and may lead to development of heat-related illnesses. The use of cooling techniques prior (pre-cooling), during (per-cooling) or directly after (post-cooling) exercise may limit the increase in core body temperature and therefore improve exercise performance. The aim of the present review is to provide a comprehensive overview of current scientific knowledge in the field of pre-cooling, per-cooling and post-cooling. Based on existing studies, we will discuss 1) the effectiveness of cooling interventions, 2) the underlying physiological mechanisms and 3) practical considerations regarding the use of different cooling techniques...
2017: Temperature: Multidisciplinary Biomedical Journal
https://www.readbyqxmd.com/read/28349094/current-concepts-of-active-vasodilation-in-human-skin
#20
REVIEW
Brett J Wong, Casey G Hollowed
In humans, an increase in internal core temperature elicits large increases in skin blood flow and sweating. The increase in skin blood flow serves to transfer heat via convection from the body core to the skin surface while sweating results in evaporative cooling of the skin. Cutaneous vasodilation and sudomotor activity are controlled by a sympathetic cholinergic active vasodilator system that is hypothesized to operate through a co-transmission mechanism. To date, mechanisms of cutaneous active vasodilation remain equivocal despite many years of research by several productive laboratory groups...
2017: Temperature: Multidisciplinary Biomedical Journal
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