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https://www.readbyqxmd.com/read/28328088/evaluation-of-the-correlation-between-severity-of-acquired-idiopathic-generalized-anhidrosis-and-quality-of-life-scores
#1
Takichi Munetsugu, Tomoko Fujimoto, Takahiro Satoh, Yoshihiko Nakazato, Yuichiro Ohshima, Masato Asahina, Hiroo Yokozeki
Symptoms of acquired idiopathic generalized anhidrosis (AIGA) include heat retention and/or heat stroke due to the effects of the disorder on the perspiration ability of the whole body under thermal environmental changes or exercise. Additionally, cholinergic urticaria can also occur in these patients. AIGA has a major impact on everyday life. However, the effects of AIGA severity on the quality of life (QOL) of the patients have not been sufficiently defined. The objective of this study was to evaluate the correlation between AIGA severity and QOL...
March 22, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28314926/american-football-and-fatal-exertional-heat-stroke-a-case-study-of-korey-stringer
#2
Andrew Grundstein, John A Knox, Jennifer Vanos, Earl R Cooper, Douglas J Casa
On August 1, 2001, Korey Stringer, a Pro Bowl offensive tackle for the Minnesota Vikings, became the first and to date the only professional American football player to die from exertional heat stroke (EHS). The death helped raise awareness of the dangers of exertional heat illnesses in athletes and prompted the development of heat safety policies at the professional, collegiate, and interscholastic levels. Despite the public awareness of this death, no published study has examined in detail the circumstances surrounding Stringer's fatal EHS...
March 17, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28291783/oesophageal-heat-exchangers-with-a-diameter-of-11mm-or-14-7mm-are-equally-effective-and-safe-for-targeted-temperature-management
#3
Daniel C Schroeder, Maria Guschlbauer, Alexandra C Maul, Daniel A Cremer, Ingrid Becker, David de la Puente Bethencourt, Peter Paal, Stephan A Padosch, Wolfgang A Wetsch, Thorsten Annecke, Bernd W Böttiger, Anja Sterner-Kock, Holger Herff
BACKGROUND: Targeted temperature management (TTM) is widely used in critical care settings for conditions including hepatic encephalopathy, hypoxic ischemic encephalopathy, meningitis, myocardial infarction, paediatric cardiac arrest, spinal cord injury, traumatic brain injury, ischemic stroke and sepsis. Furthermore, TTM is a key treatment for patients after out-of-hospital cardiac-arrest (OHCA). However, the optimal cooling method, which is quick, safe and cost-effective still remains controversial...
2017: PloS One
https://www.readbyqxmd.com/read/28285429/hypothermia-decreased-the-expression-of-heat-shock-proteins-in-neonatal-rat-model-of-hypoxic-ischemic-encephalopathy
#4
Byong Sop Lee, Euiseok Jung, Yeonjoo Lee, Sung-Hoon Chung
Hypothermia (HT) is a well-established neuroprotective strategy against neonatal hypoxic ischemic encephalopathy (HIE). The overexpression of heat shock proteins (HSP) has been shown to provide neuroprotection in animal models of stroke. We aimed to investigate the effect of HT on HSP70 and HSP27 expression in a neonatal rat model of HIE. Seven-day-old rat pups were exposed to hypoxia for 90 min to establish the Rice-Vannucci model and were assigned to the following four groups: hypoxic injury (HI)-normothermia (NT, 36 °C), HI-HT (30 °C), sham-NT, and sham-HT...
March 11, 2017: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/28268308/wearable-deep-body-thermometers-and-their-uses-in-continuous-monitoring-for-daily-healthcare
#5
Ming Huang, Toshiyo Tamura, Takumi Yoshimura, Tadahiro Tsuchikawa, Shigehiko Kanaya
This paper introduces noninvasive deep body thermometers suitable for continuous deep body temperature (DBT) measurement. On the basis of their features, they were used in DBT monitoring for daily healthcare. A thermometer based on the dual-heat-flux method (T_DHFM), and an aural canal thermistor (ACT), were used in two studies of daily healthcare. The medical device CoreTemp by Terumo, based on the zero-heat-flux method, was also used for a DBT reference. The first study focused on preventing heat stroke in a high-temperature and high-humidity environment, while the other focused on the temperature monitoring of patients with spinal cord injuries...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28265014/recast-remote-ischemic-conditioning-after-stroke-trial-a-pilot-randomized-placebo-controlled-phase-ii-trial-in-acute-ischemic-stroke
#6
Timothy J England, Amanda Hedstrom, Saoirse O'Sullivan, Richard Donnelly, David A Barrett, Sarir Sarmad, Nikola Sprigg, Philip M Bath
BACKGROUND AND PURPOSE: Repeated episodes of limb ischemia and reperfusion (remote ischemic conditioning [RIC]) may improve outcome after acute stroke. METHODS: We performed a pilot blinded placebo-controlled trial in patients with acute ischemic stroke, randomized 1:1 to receive 4 cycles of RIC within 24 hours of ictus. The primary outcome was tolerability and feasibility. Secondary outcomes included safety, clinical efficacy (day 90), putative biomarkers (pre- and post-intervention, day 4), and exploratory hemodynamic measures...
March 6, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28257891/combined-metabolic-and-transcriptional-profiling-identifies-pentose-phosphate-pathway-activation-by-hsp27-phosphorylation-during-cerebral-ischemia
#7
Taichiro Imahori, Kohkichi Hosoda, Tomoaki Nakai, Yusuke Yamamoto, Yasuhiro Irino, Masakazu Shinohara, Naoko Sato, Takashi Sasayama, Kazuhiro Tanaka, Hiroaki Nagashima, Masaaki Kohta, Eiji Kohmura
The metabolic pathophysiology underlying ischemic stroke remains poorly understood. To gain insight into these mechanisms, we performed a comparative metabolic and transcriptional analysis of the effects of cerebral ischemia on the metabolism of the cerebral cortex using middle cerebral artery occlusion (MCAO) rat model. Metabolic profiling by gas-chromatography/mass-spectrometry analysis showed clear separation between the ischemia and control group. The decreases of fructose 6-phosphate and ribulose 5-phosphate suggested enhancement of the pentose phosphate pathway (PPP) during cerebral ischemia (120-min MCAO) without reperfusion...
March 6, 2017: Neuroscience
https://www.readbyqxmd.com/read/28252576/apoa5-gene-polymorphisms-and-cardiovascular-diseases-metaprediction-in-global-populations
#8
Yen-Chun Lin, Veronica Nunez, Robin Johns, S Pamela K Shiao
BACKGROUND: Apolipoprotein A5 (APOA5) 1131 is one of the most investigated gene polymorphisms in association with cardiovascular diseases (CVD) for its roles in epigenetics pathways. OBJECTIVES: The major objective of this metaprediction study was to comprehensively examine the association of polymorphism risk subtypes of APOA5 1131 gene and potential contributing factors of CVD risks in global populations. METHODS: This study is a meta-analysis to determine APOA5 gene polymorphisms as risk factors for CVDs...
March 2017: Nursing Research
https://www.readbyqxmd.com/read/28237841/relationship-between-serum-anti-heat-shock-protein-27-antibody-levels-and-obesity
#9
Mehrdad Kargari, Samira Tavassoli, Amir Avan, Mahmoud Ebrahimi, Mahmoud Reza Azarpazhooh, Rasool Asoodeh, Mohsen Nematy, Seyed Mahdi Hassanian, Farzad Rahmani, Elham Mohammadzade, Habibollah Esmaeili, Mohsen Moohebati, Gordon A Ferns, Majid Ghayour-Mobarhan, Seyed Mohammad Reza Parizadeh
BACKGROUND: Heat shock protein 27 (HSP27) is an intracellular molecular chaperone that is expressed at high levels following the exposure of cells to environmental stressors such as heat, toxins, and free radicals. High levels of HSP antigens and antibody titers have been reported in several conditions including cardiovascular disease and cancers. We measured serum anti-HSP27 antibody levels in 993 subjects and assessed the associations between serum anti-HSP27 antibody levels and demographic characteristics including coronary risk factors...
February 22, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28237309/impact-of-climate-change-on-heat-related-mortality-in-jiangsu-province-china
#10
Kai Chen, Radley M Horton, Daniel A Bader, Corey Lesk, Leiwen Jiang, Bryan Jones, Lian Zhou, Xiaodong Chen, Jun Bi, Patrick L Kinney
A warming climate is anticipated to increase the future heat-related total mortality in urban areas. However, little evidence has been reported for cause-specific mortality or nonurban areas. Here we assessed the impact of climate change on heat-related total and cause-specific mortality in both urban and rural counties of Jiangsu Province, China, in the next five decades. To address the potential uncertainty in projecting future heat-related mortality, we applied localized urban- and nonurban-specific exposure response functions, six population projections including a no population change scenario and five Shared Socioeconomic Pathways (SSPs), and 42 temperature projections from 21 global-scale general circulation models and two Representative Concentration Pathways (RCPs)...
February 22, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28226467/wearable-deep-body-thermometers-and-their-uses-in-continuous-monitoring-for-daily-healthcare
#11
Ming Huang, Toshiyo Tamura, Takumi Yoshimura, Tadahiro Tsuchikawa, Shigehiko Kanaya, Ming Huang, Toshiyo Tamura, Takumi Yoshimura, Tadahiro Tsuchikawa, Shigehiko Kanaya, Toshiyo Tamura, Takumi Yoshimura, Ming Huang, Shigehiko Kanaya, Tadahiro Tsuchikawa
This paper introduces noninvasive deep body thermometers suitable for continuous deep body temperature (DBT) measurement. On the basis of their features, they were used in DBT monitoring for daily healthcare. A thermometer based on the dual-heat-flux method (T_DHFM), and an aural canal thermistor (ACT), were used in two studies of daily healthcare. The medical device CoreTemp by Terumo, based on the zero-heat-flux method, was also used for a DBT reference. The first study focused on preventing heat stroke in a high-temperature and high-humidity environment, while the other focused on the temperature monitoring of patients with spinal cord injuries...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224104/exertional-rhabdomyolysis-and-heat-stroke-beware-of-volatile-anesthetic-sedation
#12
REVIEW
Karel Heytens, Jan De Bleecker, Walter Verbrugghe, Jonathan Baets, Luc Heytens
In view of the enormous popularity of mass sporting events such as half-marathons, the number of patients with exertional rhabdomyolysis or exercise-induced heat stroke admitted to intensive care units (ICUs) has increased over the last decade. Because these patients have been reported to be at risk for malignant hyperthermia during general anesthesia, the intensive care community should bear in mind that the same risk of life-threatening rhabdomyolysis is present when these patients are admitted to an ICU, and volatile anesthetic sedation is chosen as the sedative technique...
February 4, 2017: World Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28218788/case-report-dysregulation-of-gene-expression-in-a-patient-with-depressive-disorder-after-transient-ischemic-attack-confirmed-by-a-neurophysiological-neuromarker
#13
M Trystuła, M Żychowska, M Wilk-Frańczuk, J D Kropotov, M Pąchalska
The aim of this study was to evaluate dysregulation of gene expression associated with the cellular stress response in a patient with a post-"warning stroke" depressive disorder confirmed by the presence of a neurophysiological neuromarker through the use of quantitative EEG and event-related potentials. The patient was tested for seven genes associated with the stress reaction: HSPA1A, HSPB1, IL6, IL10, CRP, and HSF-1 along with NF-κB, compared to gene expression in health controls. A 54-year-old patient with a past history of schizophrenia (at the age of 20), and of transient ischemic attack (at the age of 53) and depressive disorder confirmed by functional, cognitive, emotional, and affectional diagnostics underwent additional testing for expression of the genes associated with stress response...
February 16, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28214874/heat-acclimation-regulates-the-autophagy-lysosome-function-to-protect-against-heat-stroke-induced-brain-injury-in-mice
#14
Junfeng Yi, Genlin He, Ju Yang, Zhen Luo, Xuesen Yang, Xue Luo
BACKGROUND/AIMS: The mechanisms underlying the protective role of heat acclimation (HA) in heat stroke (HS)-induced brain injury are still unclear. The autophagy-lysosome pathway is known to pay an important role in protecting stressed or diseased cells from death. Nevertheless, whether autophagy and lysosomes are involved in HA-mediated neuroprotection following HS exposure remains unclear. METHODS: The protective effects of HA were assessed by rectal temperature, hematoxylin-eosin staining, transmission electron microscopic analysis, terminal deoxynucleotidyl transferase-mediated dUTP nick end-labeling staining, and Fluoro Jade B staining, after mice were subjected to HS...
January 18, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28207294/validity-of-core-temperature-measurements-at-3-rectal-depths-during-rest-exercise-cold-water-immersion-and-recovery
#15
Kevin C Miller, Lexie E Hughes, Blaine C Long, William M Adams, Douglas J Casa
CONTEXT:  No evidence-based recommendation exists regarding how far clinicians should insert a rectal thermistor to obtain the most valid estimate of core temperature. Knowing the validity of temperatures at different rectal depths has implications for exertional heat-stroke (EHS) management. OBJECTIVE:  To determine whether rectal temperature (Trec) taken at 4 cm, 10 cm, or 15 cm from the anal sphincter provides the most valid estimate of core temperature (as determined by esophageal temperature [Teso]) during similar stressors an athlete with EHS may experience...
February 16, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28190442/neurologic-complications-of-acute-environmental-injuries
#16
I R F da Silva, J A Frontera
Environmental injuries can result in serious neurologic morbidity. This chapter reviews neurologic complications of thermal burns, smoke inhalation, lightning strikes, electric injury, near drowning, decompression illness, as well as heat stroke and accidental hypothermia. Knowing the pathophysiology and clinical presentation of such injuries is essential to proper management of primary and secondary medical complications. This chapter highlights the most frequently encountered neurologic injuries secondary to common environmental hazards, divided into the topics: injuries related to fire, electricity, water, and the extremes of temperature...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28181776/cardiovascular-adjustments-to-heat-stress-during-prolonged-exercise
#17
Luna Rizzo, Martin W Thompson
Prolonged effort in hot environments is increasing popular in extreme sports. The number of long distance athletes taking part in races in extremely warm condition, as in deserts, is larger than in the past and also the race distances are increased thus. The demanding for the heart function are higher than those challenged in the past only by few athletes and in easier conditions. This puts news challenges on the professional involved in these activities and there is a need to better understand how the cardiocirculatory system responses in these extreme environmental conditions...
February 8, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28162872/simple-and-effective-method-to-lower-body-core-temperatures-of-hyperthermic-patients
#18
John P O'Connor
Hyperthermia is a potentially life threatening scenario that may occur in patients due to accompanying morbidities, exertion, or exposure to dry and arid environmental conditions. In particular, heat stroke may result from environmental exposure combined with a lack of thermoregulation. Key clinical findings in the diagnosis of heatstroke are (1) a history of heat stress or exposure, (2) a rectal temperature greater than 40 °C, and (3) central nervous system dysfunction (altered mental state, disorientation, stupor, seizures, or coma) (Prendergast and Erickson, 2014 [1])...
January 30, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28156130/evaluation-of-various-cooling-systems-after-exercise-induced-hyperthermia
#19
Pearl M S Tan, Eunice Y N Teo, Noreffendy B Ali, Bryan C H Ang, Iswady Iskandar, Lydia Y L Law, Jason K W Lee
CONTEXT: Rapid diagnosis and expeditious cooling of individuals with exertional heat stroke is paramount for survival. OBJECTIVE: To evaluate the efficacy of various cooling systems after exercise-induced hyperthermia. DESIGN: Crossover study. SETTING: Laboratory. PATIENTS OR OTHER PARTICIPANTS: Twenty-two men (age = 24 ± 2 years, height = 1.76 ± 0.07 m, mass = 70.7 ± 9.5 kg) participated. INTERVENTION(S): Each participant completed a treadmill walk until body core temperature reached 39...
February 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28140625/ncaa-football-off-season-training-unanswered-prayers%C3%A2-a-prayer-answered
#20
Scott Anderson
Off-season training in year-round collegiate football is purported to be performance enhancing. Absent principles of exercise physiology, excesses in sport-training regimens pose risk to the participant athletes. Since 2000, 33 National Collegiate Athletic Association (NCAA) football players have died in sport: 27 nontraumatic deaths and 6 traumatic deaths, a ratio of 4.5 nontraumatic deaths for every traumatic death. On average, 2 NCAA football players die per season. Best practices, consensus guidelines, and precautions are ignored, elevating the risk...
February 2017: Journal of Athletic Training
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