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https://www.readbyqxmd.com/read/28101752/the-impact-of-hydrocortisone-treatment-on-neutrophil-gelatinase-associated-lipocalin-release-in-porcine-endotoxemic-shock
#1
E Söderberg, M Eriksson, A Larsson, M Lipcsey
BACKGROUND: A key feature of sepsis is systemic inflammatory activation that could be counteracted by steroids. In this experimental model of systemic inflammation, we sought to investigate whether septic neutrophil activation, evaluated by the plasma levels of neutrophil gelatinase-associated protein (NGAL), is modulated by the timing of hydrocortisone treatment. METHODS: Sixteen anesthetized pigs were allocated to one of four equally sized groups. Three of these groups received endotoxin at 2 μg × kg(-1) × h(-1) for 6 h so as to induce endotoxemic shock...
December 2017: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/28101019/a-case-of-therapy-resistant-folliculitis-due-to-adrenal-insufficiency
#2
Kirsten Rønholt Stausholm, Eva Spaun, Uffe Koppelhus
A report on a 40-year-old patient with recalcitrant, suppurative folliculitis is presented. After years of unsuccessful treatment with conventional therapies, the patient was diagnosed with adrenal insufficiency with a low level of circulating cortisol. A few weeks after the patient was subjected to substitution therapy with hydrocortisone, his folliculitis resolved. We discuss the role of plasma cortisol level in the pathogenesis of folliculitis.
September 2016: Case Reports in Dermatology
https://www.readbyqxmd.com/read/28100629/impact-of-food-alcohol-and-ph-on-modified-release-hydrocortisone-developed-to-treat-congenital-adrenal-hyperplasia
#3
Nayananjani Karunasena, Daniel Margetson, Greg Neal, Martin Whitaker, Richard J Ross
BACKGROUND: We developed a modified-release hydrocortisone, Chronocort®, to replace the cortisol rhythm in patients with congenital adrenal hyperplasia. Food, alcohol and pH affect drug absorption and it is important to assess their impact when replicating a physiological rhythm. SUBJECTS AND METHODS: In vitro dissolution to study impact of alcohol and pH on Chronocort®. A Phase 1, three-period, cross over study in 18 volunteers to assess the impact of food on Chronocort® and to compare bioavailability to immediate-release hydrocortisone...
January 18, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28094416/-seasonal-leukotrichia-in-a-german-shepherd-dog-a-case-report
#4
Janine Classen, Sonya V Bettenay, Ralf S Mueller
Leukotrichia can be caused by a variety of metabolic and inflammatory diseases. Canine alopecia areata is a rare multifactorial benign non-scarring alopecia. This case report describes a seasonally recurrent leukotrichia associated with alopecia areata in a German shepherd dog. Important differential diagnoses were ruled out and histopathology finally confirmed the diagnosis of alopecia areata. Topical tacrolimus and hydrocortisone aceponate were ineffective. The cause for the seasonal character in this case remained undetermined...
January 17, 2017: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
https://www.readbyqxmd.com/read/28090049/thyroid-storm-precipitated-by-diabetic-ketoacidosis-and-influenza-a-a-case-report-and-literature-review
#5
Toshiyuki Ikeoka, Hiroaki Otsuka, Naruhiro Fujita, Yukiko Masuda, Shigeto Maeda, Ichiro Horie, Takao Ando, Norio Abiru, Atsushi Kawakami
A 46-year-old woman with a history of Graves' disease presented with the chief complaints of appetite loss, weight loss, fatigue, nausea, and sweating. She was diagnosed with diabetic ketoacidosis (DKA), thyroid storm, and influenza A. She was treated with an intravenous insulin drip, intravenous fluid therapy, intravenous hydrocortisone, oral potassium iodine, and oral methimazole. As methimazole-induced neutropenia was suspected, the patient underwent thyroidectomy. It is important to maintain awareness that thyroid storm and DKA can coexist...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28087725/neurodevelopmental-outcomes-of-extremely-low-birthweight-infants-randomised-to-different-pco2-targets-the-phelbi-follow-up-study
#6
Ulrich H Thome, Orsolya Genzel-Boroviczeny, Bettina Bohnhorst, Manuel Schmid, Hans Fuchs, Oliver Rohde, Stefan Avenarius, Hans-Georg Topf, Andrea Zimmermann, Dirk Faas, Katharina Timme, Barbara Kleinlein, Horst Buxmann, Wilfried Schenk, Hugo Segerer, Norbert Teig, Annett Bläser, Roland Hentschel, Matthias Heckmann, Rolf Schlösser, Jochen Peters, Rainer Rossi, Wolfgang Rascher, Ralf Böttger, Jürgen Seidenberg, Gesine Hansen, Maria Zernickel, Harald Bode, Jens Dreyhaupt, Rainer Muche, Helmut D Hummler
BACKGROUND: Tolerating higher partial pressures of carbon dioxide (PCO2) in mechanically ventilated extremely low birthweight infants to reduce ventilator-induced lung injury may have long-term neurodevelopmental side effects. This study analyses the results of neurodevelopmental follow-up of infants enrolled in a randomised multicentre trial. METHODS: Infants (n=359) between 400 and 1000 g birth weight and 23 0/7-28 6/7 weeks gestational age who required endotracheal intubation and mechanical ventilation within 24 hours of birth were randomly assigned to high PCO2 or to a control group with mildly elevated PCO2 targets...
January 13, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/28073054/adrenal-failure-due-to-bilateral-adrenal-metastasis-of-rectal-cancer-a-case-report
#7
Yuki Imaoka, Fumito Kuranishi, Yoshiteru Ogawa, Hiroshi Okuda, Masahiro Nakahara
INTRODUCTION: It is rare for a patient to present with adrenal insufficiency secondary to bilateral adrenal metastases from a malignant colorectal tumor. CASE PRESENTATION: An 82-year-old Japanese man presented to our hospital with high fever and malaise. He was receiving oral chemotherapy for the treatment of rectal cancer with multiple metastases. Computed tomography showed new bilateral adrenal gland metastases. A rapid adrenocorticotropic hormone (ACTH) test showed adrenal insufficiency...
December 21, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28069397/influence-of-neuropeptide-y-and-pancreatic-polypeptide-on-islet-function-and-beta-cell-survival
#8
Dawood Khan, Srividya Vasu, R Charlotte Moffett, Nigel Irwin, Peter R Flatt
BACKGROUND: In the present study we assessed the impact of neuropeptide Y receptor (NPYR) modulators, neuropeptide Y (NPY) and pancreatic polypeptide (PP), on islet function and beta-cell survival. METHODS: The effects of NPY and PP on beta-cell function were examined in BRIN BD11 and 1.1B4 beta-cells, as well as isolated mouse islets. Involvement of both peptides in pancreatic islet adaptations to streptozotocin and hydrocortisone, as well as effects on beta-cell proliferation and apoptosis was also evaluated...
January 6, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28065580/fatigue-favors-in-vitro-th1-and-th17-like-cell-expansion-and-reduces-corticoid-sensitivity-in-ms-patients
#9
Hélcio Alvarenga-Filho, Marisa Salles, Joana Hygino, Thais B Ferreira, Priscila M Sacramento, Clarice Monteiro, Claudia Cristina F Vasconcelos, Regina Maria Papais Alvarenga, Cleonice A M Bento
Fatigue is a common "ghost" symptom in patients with multiple sclerosis (MS), an autoimmune disease mediated by T cells that target myelin antigens of the central nervous system. As fatigue has been associated with inflammatory states, its occurrence may negatively impact MS progression. The aim of this study was to evaluate the impact of fatigue on the cytokine profile of patients with relapsing-remitting (RR) MS. For our study, blood were collected from MS patients in clinical remission phase with (n=15) and without (n=15) fatigue...
December 30, 2016: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28063472/the-effect-of-free-and-carrier-bound-cortisol-on-equine-neutrophil-function
#10
Melanie A Fratto, Kelsey A Hart, Natalie A Norton, Michelle H Barton, Steeve Giguère, David J Hurley
Cortisol is a key anti-inflammatory hormone that increases in bacterial sepsis and circulates predominantly bound to cortisol binding globulin (CBG). Only unbound cortisol was believed to be biologically active, but recent evidence suggests that CBG-bound cortisol also regulates inflammation. The objective of this study was to evaluate the effects of free and CBG-bound cortisol on equine neutrophil function ex vivo. We hypothesized that CBG would enhance cortisol-mediated suppression of neutrophil pro-inflammatory responses...
January 2017: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/28063163/immediate-versus-modified-release-hydrocortisone-in-mitotane-treated-patients-with-adrenocortical-cancer
#11
Marianne Weigel, Stefanie Hahner, Mark Sherlock, Amar Agha, Lucy Ann Behan, Paul M Stewart, Wiebke Arlt, Daniela Beier, Kathrin Frey, Kathrin Zopf, Marcus Quinkler
OBJECTIVE: Mitotane induces hepatic CYP3A4 activity, resulting in accelerated cortisol inactivation, and also increases cortisol binding globulin (CBG). Therefore, higher hydrocortisone doses are required in patients with adrenocortical cancer (ACC) on mitotane treatment. Modified release hydrocortisone has not been used in mitotane-treated ACC patients yet. AIM: Case series to compare serum cortisol, calculated free serum cortisol and ACTH levels in ACC patients on mitotane treatment with immediate and modified release hydrocortisone...
January 7, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28055088/myxedema-psychosis-in-a-patient-with-undiagnosed-hashimoto-thyroiditis
#12
Matthew M Mavroson, Nirav Patel, Eleonora Akker
Myxedema psychosis is uncommon in patients with primary hypothyroidism. Most often, this disease state can be found in patients with Hashimoto thyroiditis or after total thyroidectomy. Chronic hypothyroidism can lead to an insidious onset of psychiatric symptoms in patients, such as dementia, delirium, psychosis, hallucinations, and coma. A 31-year-old man with an unremarkable medical history was brought to the psychiatric emergency department for new-onset aggression, paranoid behavior, and hallucinations for 4 days...
January 1, 2017: Journal of the American Osteopathic Association
https://www.readbyqxmd.com/read/28046071/routine-magnetic-resonance-imaging-at-term-equivalent-age-detects-brain-injury-in-25-of-a-contemporary-cohort-of-very-preterm-infants
#13
Vera Neubauer, Tanja Djurdjevic, Elke Griesmaier, Marlene Biermayr, Elke Ruth Gizewski, Ursula Kiechl-Kohlendorfer
INTRODUCTION: In recent years, significant investigation has been undertaken by means of magnetic resonance imaging (MRI) in an attempt to identify preterm infants at risk for adverse outcome. The primary objective is to provide a comprehensive characterization of cerebral injury detected by conventional MRI at term-equivalent age in an unselected, consecutive, contemporary cohort of preterm infants born <32 gestational weeks. Secondly, this study aims to identify risk factors for the different injury types in this population...
2017: PloS One
https://www.readbyqxmd.com/read/28045533/computational-model-of-secondary-palate-fusion-and-disruption
#14
M Shane Hutson, Maxwell C K Leung, Nancy Baker, Richard M Spencer, Thomas B Knudsen
Morphogenetic events are driven by cell-generated physical forces and complex cellular dynamics. To improve our capacity to predict developmental effects from chemical-induced cellular alterations, we built a multi-cellular agent-based model in CompuCell3D that recapitulates the cellular networks and collective cell behavior underlying growth and fusion of the mammalian secondary palate. The model incorporated multiple signaling pathways (TGFβ, BMP, FGF, EGF, SHH) in a biological framework to recapitulate morphogenetic events from palatal outgrowth through midline fusion...
January 3, 2017: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/28032303/neural-circuitry-of-emotion-regulation-effects-of-appraisal-attention-and-cortisol-administration
#15
Sean T Ma, James L Abelson, Go Okada, Stephan F Taylor, Israel Liberzon
Psychosocial well-being requires effective regulation of emotional responding in context of threat or stress. Neuroimaging studies have focused on instructed, volitional regulation (e.g., reappraisal or distancing), largely ignoring implicit regulation that does not involve purposeful effort to alter emotional experience. These implicit processes may or may not involve the same neural pathways as explicit regulatory strategies. We examined the neurobiology of implicit emotional regulation processes and the impact of the stress hormone cortisol on these processes...
December 28, 2016: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/28025639/evaluation-of-bone-metabolism-in-critically-ill-patients-using-ctx-and-pinp
#16
Alexandra Gavala, Konstantinos Makris, Anna Korompeli, Pavlos Myrianthefs
Background. Prolonged immobilization, nutritional and vitamin D deficiency, and specific drug administration may lead to significant bone resorption. Methods and Patients. We prospectively evaluated critically ill patients admitted to the ICU for at least 10 days. Demographics, APACHE II, SOFA scores, length of stay (LOS), and drug administration were recorded. Blood collections were performed at baseline and on a weekly basis for five consecutive weeks. Serum levels of PINP, β-CTx, iPTH, and 25(OH)vitamin D were measured at each time-point...
2016: BioMed Research International
https://www.readbyqxmd.com/read/28025500/glucocorticoids-protect-neonatal-rat-brain-in-model-of-hypoxic-ischemic-encephalopathy-hie
#17
Benjamin Harding, Katherine Conception, Yong Li, Lubo Zhang
Hypoxic-ischemic encephalopathy (HIE) resulting from asphyxia in the peripartum period is the most common cause of neonatal brain damage and can result in significant neurologic sequelae, including cerebral palsy. Currently therapeutic hypothermia is the only accepted treatment in addition to supportive care for infants with HIE, however, many additional neuroprotective therapies have been investigated. Of these, glucocorticoids have previously been shown to have neuroprotective effects. HIE is also frequently compounded by infectious inflammatory processes (sepsis) and as such, the infants may be more amenable to treatment with an anti-inflammatory agent...
December 22, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28024270/the-stress-hormone-cortisol-blocks-perceptual-learning-in-humans
#18
Hubert R Dinse, J C Kattenstroth, M Lenz, M Tegenthoff, O T Wolf
Cortisol, the primary glucocorticoid (GC) in humans, influences neuronal excitability and plasticity by acting on mineralocorticoid and glucocorticoid receptors. Cellular studies demonstrated that elevated GC levels affect neuronal plasticity, for example through a reduction of hippocampal long-term potentiation (LTP). At the behavioural level, after treatment with GCs, numerous studies have reported impaired hippocampal function, such as impaired memory retrieval. In contrast, relatively little is known about the impact of GCs on cortical plasticity and perceptual learning in adult humans...
December 9, 2016: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28002236/patch-test-reactions-to-corticosteroids-retrospective-analysis-from-the-north-american-contact-dermatitis-group-2007-2014
#19
Melanie D Pratt, Asfandyar Mufti, Jennifer Lipson, Erin M Warshaw, Howard I Maibach, James S Taylor, Denis Sasseville, Joel G DeKoven, Matthew J Zirwas, Anthony F Fransway, C G Toby Mathias, Kathryn A Zug, Vincent A DeLeo, Joseph F Fowler, James G Marks, Frances J Storrs, Donald V Belsito
INTRODUCTION: Corticosteroids may cause delayed hypersensitivity. On the basis of structure, the following 4 groups of corticosteroids are recognized: A, B, C, and D (subdivided into D1 and D2). More recently, a newer classification system subdivides corticosteroids into groups 1, 2, and 3. Cross-reactions are unpredictable. The objective of this study was to describe positive patch test and co-reaction patterns to corticosteroids. METHODS AND RESULTS: A retrospective analysis of 17,978 patients patch tested by the North American Contact Dermatitis Group between 2007 and 2014 was performed...
January 2017: Dermatitis
https://www.readbyqxmd.com/read/28001235/dermatitis-after-contact-with-pheropsophus-sp-coleoptera-carabidae-brachininae-in-the-par%C3%A3-state-brazilian-amazon
#20
Pedro Pereira de Oliveira Pardal, Cristiane Tárcis Cunha da Silva, Wuelton Marcelo Monteiro, Maria Apolônia da Costa Gadelha
Dermatitis caused by bombardier beetles is rarely reported. Here, we report a case of beetle-caused dermatitis that occurred in Pará State, the Brazilian Amazon. A female patient while putting on her shoes, felt a burning pain in the right hallux and noticed a beetle inside the shoe. During medical consultation, the physician observed that the injury site was brown and discolored. The patient complained of localized burning pain and blurred vision. The beetle responsible for the injury was identified as Pheropsophus sp...
November 2016: Revista da Sociedade Brasileira de Medicina Tropical
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