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https://www.readbyqxmd.com/read/29306774/the-cortisol-awakening-response-predicts-response-inhibition-in-the-afternoon-of-the-same-day
#1
Xia Shi, Xiaofang Sun, Zhuxi Yao, Yiran Yuan, Jianhui Wu, Angela Clow
The cortisol awakening response (CAR) is the rapid increase of cortisol levels 30-45 min after awakening in the morning. Numerous studies have indicated the relationship between the CAR and cognition. However, little is known about daily variation in the CAR and cognitive function in healthy adults. The aim of the present study was to investigate whether the CAR predicted the response inhibition function on the same day in both behaviour and the dynamic time course of brain processing. The saliva samples of 47 healthy men were collected at three time points: immediately on awakening, 30 min and 45 min post-awakening in the morning...
December 21, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29296101/preclinical-evaluation-of-the-effect-of-the-combined-use-of-the-ethicon-securestrap%C3%A2-open-absorbable-strap-fixation-device-and-ethicon-physiomesh%C3%A2-open-flexible-composite-mesh-device-on-surgeon-stress-during-ventral-hernia-repair
#2
Nadia Sutton, Melinda H MacDonald, John Lombard, Bodgan Ilie, Piet Hinoul, Douglas A Granger
Aim: To evaluate whether performing ventral hernia repairs using the Ethicon Physiomesh™ Open Flexible Composite Mesh Device in conjunction with the Ethicon Securestrap® Open Absorbable Strap Fixation Device reduces surgical time and surgeon stress levels, compared with traditional surgical repair methods. Methods: To repair a simulated ventral incisional hernia, two surgeries were performed by eight experienced surgeons using a live porcine model. One procedure involved traditional suture methods and a flat mesh, and the other procedure involved a mechanical fixation device and a skirted flexible composite mesh...
2018: Medical Devices: Evidence and Research
https://www.readbyqxmd.com/read/29274349/diurnal-cortisol-and-alpha-amylase-in-the-daily-lives-of-older-adults-with-vital-exhaustion
#3
J Strahler, S Fischer
OBJECTIVE: Vital exhaustion (VE) is characterised by unusual fatigue, increased irritability, and a feeling of demoralisation. It has been found a major risk factor for cardiovascular diseases, and one that is independent of subclinical or clinical manifestations of coronary heart disease or lifestyle-related risk factors. Stress-induced alterations in the hypothalamic-pituitary-adrenal (HPA) axis and sympathetic nervous system may mediate the link between VE and increased cardiovascular risk...
December 20, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/29259810/capturing-effort-and-recovery-reactive-and-recuperative-cortisol-responses-to-competition-in-well-trained-rowers
#4
Victor L Kallen, Janine H Stubbe, Henk Jan Zwolle, Pierre Valk
Background/aim: It is well known that physical strain is associated with increased cortisol production. And although mental stress elevates cortisol concentrations as well, little is known of the independent and/or combined effects of both on the secretion of cortisol. Aim of the study was to investigate the day-to-day cortisol dynamics associated with training, performance and recuperation and the immediate responses to mental stress and physical endurance under competitive conditions...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/29248632/measuring-physiological-stress-in-the-common-marmoset-callithrix-jacchus-validation-of-a-salivary-cortisol-collection-and-assay-technique
#5
Hayley Ash, Tessa E Smith, Simon Knight, Hannah M Buchanan-Smith
Cortisol levels are often used as a physiological measure of the stress response in captive primates, with non-invasive measures of this being an important step in welfare assessment. We report a method of collecting saliva samples voluntarily from unrestrained captive common marmosets (Callithrix jacchus), and validate an enzyme-linked immunosorbent assay (ELISA) technique previously unused in this species. Saliva samples were collected from marmosets housed in pairs in a UK laboratory. The assay showed parallelism, precision, accuracy and sensitivity, meeting the criteria typically used to investigate the effectiveness of new analytical techniques...
December 14, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/29248383/the-effect-of-nesting-positions-on-pain-stress-and-comfort-during-heel-lance-in-premature-infants
#6
Ayşe Kahraman, Zümrüt Başbakkal, Mehmet Yalaz, Eser Y Sözmen
BACKGROUND: Nesting positions are commonly used in procedural analgesic administration in premature neonates. The effectiveness of nesting positions is questioned. The aim of the this study was to assess the pain, stress, comfort and salivary cortisol and melatonin values in nesting positions during the heel lance procedure in premature infants at the NICU. METHODS: Experimental research; repeated measurement design. The sample comprised 33 premature neonates with gestational age of 31-35 weeks who had been hospitalized in the NICU...
November 13, 2017: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/29235502/stress-induced-release-of-the-s100a8-a9-alarmin-is-elevated-in-coronary-artery-disease-patients-with-impaired-cortisol-response
#7
L Jonasson, H Grauen Larsen, A K Lundberg, B Gullstrand, A A Bengtsson, A Schiopu
Psychological stress is thought to be an important trigger of cardiovascular events, yet the involved pathways and mediators are largely unknown. Elevated systemic levels of the pro-inflammatory alarmin S100A8/A9 correlate with poor prognosis in coronary artery disease (CAD) patients. Here, we investigated the links between S100A8/A9 release and parameters of anti-inflammatory glucocorticoid secretion in two different cohorts subjected to a psychological stress test. In the first cohort of 60 CAD patients, psychological stress induced a rapid increase of circulating S100A8/A9...
December 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29234280/blunted-diurnal-cortisol-activity-in-healthy-adults-with-childhood-adversity
#8
Yuliya I Kuras, Naomi Assaf, Myriam V Thoma, Danielle Gianferante, Luke Hanlin, Xuejie Chen, Alexander Fiksdal, Nicolas Rohleder
Childhood adversity, such as neglect, or physical, emotional, or sexual abuse, is prevalent in the U.S. and worldwide, and connected to an elevated incidence of disease in adulthood. A pathway in this relationship might be altered hypothalamic-pituitary-adrenal (HPA) axis functioning, as a result of differential hippocampal development in early life. A blunted diurnal cortisol slope is a precursor for many disorders. While studies have focused on HPA reactivity in relation to childhood adversity, there has been markedly less research on basal HPA functioning in those with low-to-moderate adversity...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29233481/road-traffic-noise-and-determinants-of-saliva-cortisol-levels-among-adolescents
#9
Alva Wallas, Charlotta Eriksson, Olena Gruzieva, Tomas Lind, Andrei Pyko, Mattias Sjöström, Mikael Ögren, Göran Pershagen
OBJECTIVES: The understanding of determinants for saliva cortisol levels in adolescents is limited. This study investigated the role of road traffic noise exposure, noise annoyance and various other factors for saliva cortisol levels. METHODS: We collected morning and evening saliva samples from 1751 adolescents from the BAMSE birth cohort based in Stockholm County. Façade noise levels from road traffic were estimated at the residences of the study subjects and repeated questionnaires and medical examinations provided extensive information on various exposures and conditions, including annoyance to noise from different sources...
November 22, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29231549/-mechanism-of-acupoint-transcutaneous-electric-stimulation-on-analgesic-anesthesia-in-the-patients-undergoing-general-anesthesia-anorectal-operation
#10
Yufang Lin, Wei Yang, Yajuan Li, Yin Li, Qiuyu Tong, Wen Ma, Yijing Li, Weidong Shen
OBJECTIVE: To observe the regulatory effects of acupoint electric stimulation on the analgesic substances and the relevant indices of nerve-immunity-endocrine system in the patients undergoing general anesthesia anorectal operation. METHODS: One hundred and fifty-six patients undergoing hemorrhoids and anal fistula operation were randomized into three groups, 146 cases were included in the analysis. In the No.1 group (48 cases), the conventional intravenous general anesthesia was applied...
July 12, 2017: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/29216912/changes-in-salivary-oxytocin-after-inhalation-of-clary-sage-essential-oil-scent-in-term-pregnant-women-a-feasibility-pilot-study
#11
Yuriko Tadokoro, Shigeko Horiuchi, Kaori Takahata, Takuya Shuo, Erika Sawano, Kazuyuki Shinohara
OBJECTIVES: This pilot study using a quasi-experimental design was conducted to evaluate the feasibility (i.e., limited efficacy, practicality, and acceptability) of our intervention protocol involving inhalation of the scent of clary sage essential oil by pregnant women and measurement of their preinhalation and postinhalation oxytocin levels. RESULTS: Participants were women of singleton pregnancies between 38 and 40 gestation weeks (N = 11). The experiment group (n = 5) inhaled the scent of clary sage essential oil diluted 50-fold with 10 mL of odorless propylene glycol for 20 min...
December 8, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29215023/a-pilot-characterization-of-the-human-chronobiome
#12
Carsten Skarke, Nicholas F Lahens, Seth D Rhoades, Amy Campbell, Kyle Bittinger, Aubrey Bailey, Christian Hoffmann, Randal S Olson, Lihong Chen, Guangrui Yang, Thomas S Price, Jason H Moore, Frederic D Bushman, Casey S Greene, Gregory R Grant, Aalim M Weljie, Garret A FitzGerald
Physiological function, disease expression and drug effects vary by time-of-day. Clock disruption in mice results in cardio-metabolic, immunological and neurological dysfunction; circadian misalignment using forced desynchrony increases cardiovascular risk factors in humans. Here we integrated data from remote sensors, physiological and multi-omics analyses to assess the feasibility of detecting time dependent signals - the chronobiome - despite the "noise" attributable to the behavioral differences of free-living human volunteers...
December 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29195227/catestatin-vasostatin-cortisol-and-visual-analog-scale-scoring-for-stress-assessment-in-healthy-dogs
#13
T Srithunyarat, R Hagman, O V Höglund, M Stridsberg, J Hanson, A S Lagerstedt, A Pettersson
The neuroendocrine glycoprotein chromogranin A is a useful biomarker for stress in humans. Chromogranin A epitopes catestatin and vasostatin can be measured in dogs using radioimmunoassays. The objective of this study was to evaluate catestatin and vasostatin as canine stress biomarkers in a clinical setting. Blood and saliva were collected from 33 healthy dogs that were familiar with sampling procedures and the animal hospital environment (control group) and 30 healthy dogs that were unacquainted (stress group)...
November 22, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/29194043/the-role-of-corticosteroid-binding-globulin-in-the-evaluation-of-adrenal-insufficiency
#14
REVIEW
Kate C Verbeeten, Alexandra H Ahmet
Cortisol is a hydrophobic molecule that is largely bound to corticosteroid-binding globulin (CBG) in the circulation. In the assessment of adrenal insufficiency, many clinicians measure a total serum cortisol level, which assumes that CBG is present in normal concentrations and with a normal binding affinity for cortisol. CBG concentration and affinity are affected by a number of common factors including oral contraceptive pills (OCPs), fever and infection, as well as rare mutations in the serine protease inhibitor A6 (SERPINA6) gene, and as such, total cortisol levels might not be the ideal way to assess adrenal function in all clinical circumstances...
December 1, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29186884/cortisol-awakening-response-internalizing-symptoms-and-life-satisfaction-in-emerging-adults
#15
Li Shen Chong, Michelle Thai, Kathryn R Cullen, Kelvin O Lim, Bonnie Klimes-Dougan
The cortisol awakening response (CAR) has been associated with depression and a broader range of internalizing problems. Emerging adulthood is characterized by numerous stressful transitional life events. Furthermore, the functioning of the neurobiological stress system changes across development. These considerations underscore the importance of evaluating the physiological stress system in emerging adults in identifying the extent to which cortisol levels vary with risk and protective factors for mental health...
November 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29182422/salivary-biomarkers-and-training-load-during-training-and-competition-in-paralympic-swimmers
#16
Ciara Sinnott-O'Connor, Tom Comyns, Alan M Nevill, Giles Warrington
PURPOSE: Stress responses in athletes can be attributed to training and also competition, where increased physiological and psychological stress may negatively impact on performance and recovery. The aim of this study was to examine the relationship between training load and salivary biomarkers IgA, alpha-amylase (AA) and cortisol across a 16-week preparation phase and 10-day competition phase in Paralympic swimmers. METHODS: Four Paralympic swimmers provided bi-weekly saliva samples during three training phases - 1) normal training, 2) intensified training and 3) taper as well as daily saliva samples in the 10 day Paralympic competition (2016 Paralympic Games)...
November 28, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29180003/correlations-of-hair-level-with-salivary-level-in-cortisol-and-cortisone
#17
Quan Zhang, Zheng Chen, Shenghuo Chen, Tian Yu, Juxia Wang, Weiwen Wang, Huihua Deng
AIMS: Contrary findings exist on the consistency between hair cortisol and salivary cortisol in assessing the basal activity of the hypothalamic-pituitary-adrenal (HPA) axis. The mismatches in temporal characteristic and the indices of hair and salivary cortisol might be potential reasons for the inconsistency. The aim of this study was to investigate the consistency between hair and salivary levels in cortisol and cortisone by directly examining the correlation between hair level and salivary level with different temporal characteristics (acute, short-term and long-term levels) and reflecting different HPA functions (basal level and reactivity level) in the well-matched time span...
November 24, 2017: Life Sciences
https://www.readbyqxmd.com/read/29175821/post-traumatic-stress-after-picu-and-corticosteroid-use
#18
Georgina Corbet Burcher, Maria D Picouto, Lorraine C Als, Mehrengise Cooper, Christine M Pierce, Simon Nadel, M Elena Garralda
AIM: To examine the association between corticosteroid use in paediatric intensive care units (PICU) and subsequent symptoms of post-traumatic stress disorder (PTSD). METHODS: The subjects were children aged 8-16 years admitted to PICU with sepsis, meningoencephalitis (ME) and other disorders. Illness information was extracted from case notes; 3-6 months post discharge children completed a PTSD symptom questionnaire (eight-item Impact of Events Scale (IES-8)) assessing intrusion and avoidance symptoms...
November 25, 2017: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/29171482/-sleep-quality-and-hormone-levels-in-the-morning-and-evening-hours-under-chemical-pollution
#19
R O Budkevich, E V Budkevich
AIM: To evaluate self-assessment of sleep and the level of hormones in the morning and evening in chemical pollution conditions. MATERIAL AND METHODS: Three hundred adolescent and adult men living in the regions with low and high levels of chemical pollution were examined using questionnaires for self-assessment of quality of sleep, sleep hygiene, daytime sleepiness. Levels of cortisol and testosterone in the saliva were determined in the morning and evening hours by ELISA...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/29170880/fingernail-and-toenail-clippings-as-a-non-invasive-measure-of-chronic-cortisol-levels-in-adult-cancer-survivors
#20
Andrew D Frugé, Mallory G Cases, Carrie R Howell, Yuko Tsuruta, Kelley Smith-Johnston, Douglas R Moellering, Wendy Demark-Wahnefried
PURPOSE: Cancer survivors are at greater risk of comorbidities and functional decline due to physiological and psychological stress which can be measured by salivary cortisol. If saliva is used, multiple samples must be collected to accurately quantify long-term stress; however, fingernail (FN) and toenail (TN) clippings offer an opportunity to measure retrospective cortisol levels in a non-invasive manner. METHODS: Three sets of FN and TN clippings were collected at 12-month intervals in conjunction with saliva samples from cancer survivors (n = 109) participating in two clinical trials...
November 23, 2017: Cancer Causes & Control: CCC
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