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https://www.readbyqxmd.com/read/28736335/tfos-dews-ii-definition-and-classification-report
#1
REVIEW
Jennifer P Craig, Kelly K Nichols, Esen K Akpek, Barbara Caffery, Harminder S Dua, Choun-Ki Joo, Zuguo Liu, J Daniel Nelson, Jason J Nichols, Kazuo Tsubota, Fiona Stapleton
The goals of the TFOS DEWS II Definition and Classification Subcommittee were to create an evidence-based definition and a contemporary classification system for dry eye disease (DED). The new definition recognizes the multifactorial nature of dry eye as a disease where loss of homeostasis of the tear film is the central pathophysiological concept. Ocular symptoms, as a broader term that encompasses reports of discomfort or visual disturbance, feature in the definition and the key etiologies of tear film instability, hyperosmolarity, and ocular surface inflammation and damage were determined to be important for inclusion in the definition...
July 2017: Ocular Surface
https://www.readbyqxmd.com/read/28734951/emergency-department-management-of-diabetic-ketoacidosis-and-hyperosmolar-hyperglycemic-state-national-survey-of-attitudes-and-practice
#2
Alexandra L Hamelin, Justin W Yan, Ian G Stiell
OBJECTIVES: In 2013, the Association, now Diabetes Canada, published national clinical practice guidelines for the effective management of diabetic ketoacidosis and hyperosmolar hyperglycemic states in adults. We sought to determine emergency physician compliance rates and attitudes toward these guidelines and to identify potential barriers to their use in Canadian emergency departments. METHODS: An online survey consisting of questions related to the awareness and use of the Canadian Diabetes Association 2013 Clinical Practice Guidelines for the Prevention and Management of Diabetes in Canada was distributed to 500 randomly selected members of the Canadian Association of Emergency Physicians...
July 19, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/28727570/hyperosmotic-stress-stimulates-autophagy-via-polycystin-2
#3
Daniel Peña-Oyarzun, Rodrigo Troncoso, Catalina Kretschmar, Cecilia Hernando, Mauricio Budini, Eugenia Morselli, Sergio Lavandero, Alfredo Criollo
Various intracellular mechanisms are activated in response to stress, leading to adaptation or death. Autophagy, an intracellular process that promotes lysosomal degradation of proteins, is an adaptive response to several types of stress. Osmotic stress occurs under both physiological and pathological conditions, provoking mechanical stress and activating various osmoadaptive mechanisms. Polycystin-2 (PC2), a membrane protein of the polycystin family, is a mechanical sensor capable of activating the cell signaling pathways required for cell adaptation and survival...
July 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28721708/-multidisciplinary-management-of-dumping-syndromes-after-bariatric-surgery
#4
Véronique Di Vetta, Aline Heller, François Pralong, Lucie Favre
Dumping syndromes are a frequent complication of gastric or bariatric surgery and include early and late dumping. Early dumping is a consequence of rapid delivery of hyperosmolar nutrients into the bowel. Late dumping is the result of a reactive hypoglycemia induced by a hyperinsulinemic response. These syndromes are becoming increasingly prevalent with the rising incidence of bariatric surgery. Effective management of these complications requires multidisciplinary collaboration. First line management of early and late dumping syndrome involves specific dietary and behavioral modifications which generally improve the quality of life of patients...
March 22, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28717615/outcomes-of-prolotherapy-for-intra-tendinous-achilles-tears-a-case-series
#5
Otto Chan, Ben Havard, Sarah Morton, Mel Pritchard, Nicola Maffulli, Tom Crisp, Nat Padhiar, Jeremy David Perry, John King, Dylan Morrissey
BACKGROUND: The intra-tendinous tear is a new pathology that is defined as a discontinuity of fibres situated entirely within the tendon. Prolotherapy involves injecting an irritant, such as hyperosmolar dextrose, to stimulate a tissue healing response and ultimately reduce pain. METHODS: 43 consecutive patients diagnosed with an intra-tendinous tear were included (27 males: 16 females, mean (SD) age 41 (11.3). Patients were injected with 0.4ml-1.5ml (mean 0.8ml) of 50% dextrose and 0...
January 2017: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/28712906/a-comparison-of-pharmacologic-therapeutic-agents-used-for-the-reduction-of-intracranial-pressure-following-traumatic-brain-injury
#6
REVIEW
Ahmed M Alnemari, Brianna M Krafcik, Tarek R Mansour, Daniel Gaudin
OBJECTIVE: In neurotrauma care, a better understanding of treatments following traumatic brain injury (TBI) has led to a significant decrease in morbidity and mortality in this population. TBI represents a significant medical problem, and complications following TBI are associated with the initial injury and post-event intracranial processes such as elevated intracranial pressure (ICP) and brain edema. Consequently, appropriate therapeutic interventions are required to reduce brain tissue damage and improve cerebral perfusion...
July 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28710307/is-it-safe-to-acutely-discontinue-insulin-therapy-in-patients-with-chronic-hyperglycaemia-starting-glp-1r-agonists
#7
Julie Omolola Okiro, Catherine Mc Hugh, Abuelmagd Abdalla
We report two patients with chronic hyperglycaemia secondary to type 2 diabetes who developed severe vomiting on d. The first patient was diagnosed with a mixed picture of diabetic ketoacidosis (DKA) and hyperosmolar hyperglycaemic state (HHS) and the second, with DKA. They were on insulin therapy which was discontinued on commencing d because of inefficacy and weight gain. The HHS patient developed dehydration secondary to vomiting and had lactic acidosis but no other precipitant could be found in either case...
July 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28702883/risk-factors-for-recurrent-emergency-department-visits-for-hyperglycemia-in-patients-with-diabetes-mellitus
#8
Justin W Yan, Katherine M Gushulak, Melanie P Columbus, Kristine van Aarsen, Alexandra L Hamelin, George A Wells, Ian G Stiell
BACKGROUND: Patients with poorly controlled diabetes mellitus may present repeatedly to the emergency department (ED) for management and treatment of hyperglycemic episodes, including diabetic ketoacidosis and hyperosmolar hyperglycemic state. The objective of this study was to identify risk factors that predict unplanned recurrent ED visits for hyperglycemia in patients with diabetes within 30 days of initial presentation. METHODS: We conducted a 1-year health records review of patients ≥18 years presenting to one of four tertiary care EDs with a discharge diagnosis of hyperglycemia, diabetic ketoacidosis, or hyperosmolar hyperglycemic state...
December 2017: International Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28690939/central-diabetes-insipidus-and-hyperglycemic-hyperosmolar-state-following-accidental-carbon-monoxide-poisoning
#9
Zain Ul Abideen, Syed Nayer Mahmud, Amna Rasheed, Yusaf Farooq Qasim, Furqan Ali
Carbon monoxide poisoning is common and carries significant morbidity and mortality. The nervous system, particularly the brain, is frequently affected by it, owing to its high metabolic activity and oxygen requirements. Carbon monoxide damages the nervous system by both hypoxic and inflammatory mechanisms. Central diabetes insipidus is an extremely rare complication of carbon monoxide poisoning. Herein, we report the case of a young lady, who developed this complication and severe hypernatremia after accidental carbon monoxide poisoning...
June 3, 2017: Curēus
https://www.readbyqxmd.com/read/28685515/predetermined-anti-diabetic-drug-regimen-adjustments-during-ramadan-fasting-an-observational-study-of-safety
#10
Abdallah M Beano, Mohammad A Zmaili, Zaid H Gheith, Ahmad M Naser, Munther S Momani, Al Motassem F Yousef, Ayman A Zayed
BACKGROUND: Many Muslim type 2 diabetes mellitus (T2DM) patients choose to fast the month of Ramadan despite the possible adverse health effects brought about by the change in dietary habits, among other things. Clinical data regarding the safety of multi-drug regimens during fasting are particularly scarce. The aim of the study was to evaluate the safety of a drug protocol devised by the authors to accommodate Ramadan's dietary changes, involving dose adjustments of four anti-diabetic drug regimens in T2DM patients fasting Ramadan...
June 2017: Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28681393/the-relationship-of-metabolic-burden-to-productivity-levels-in-cho-cell-lines
#11
Wu Zou, Raihana Edros, Mohamed Al-Rubeai
The growing demand for recombinant therapeutics has driven biotechnologists to develop new production strategies. One such strategy for increasing the expression of heterologous proteins has focused on enhancing cell-specific productivity through environmental perturbations. In this work, the effects of hypothermia, hyperosmolarity, high shear stress, and sodium butyrate treatment on growth and productivity were studied using three (low-, medium-, and high-producing) CHO cell lines that differed in their specific productivities of monoclonal antibody...
July 6, 2017: Biotechnology and Applied Biochemistry
https://www.readbyqxmd.com/read/28680052/hyperosmolarity-induced-aqp5-upregulation-promotes-inflammation-and-cell-death-via-jnk1-2-activation-in-human-corneal-epithelial-cells
#12
Yueping Ren, Huihui Lu, Peter S Reinach, Qinxiang Zheng, Jinyang Li, Qiufan Tan, Hanlei Zhu, Wei Chen
Tear film hyperosmolarity and anterior ocular inflammation are two clinical signs that may be indicative of dry eye disease (DED). This condition can cause pathological and functional changes to the anterior ocular surface tissues. A contributing factor may be dysfunctional aquaporin 5 (AQP5) water channels as they are the AQP subtype that expressed in the corneal epithelium and contribute to fluid efflux needed for corneal function. We determined if described hyperosmolarity-induced increases in proinflammatory cytokine expression and cell death are mediated through AQP5 upregulation and JNK1/2 MAPK signaling activation in both primary human corneal epithelial cells (HCECs), and in a HCEC line...
July 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28678332/effect-of-different-blood-glucose-intervention-plans-on-elderly-people-with-type-2-diabetes-mellitus-combined-with-dementia
#13
Y Chen, J Wang, L-J Wang, H Lin, P-J Huang
OBJECTIVE: We analyzed the effects of intensive and mitigatory blood glucose control strategy on elderly people with type 2 diabetes mellitus (T2DM) combined with Alzheimer disease (AD). PATIENTS AND METHODS: We enrolled 90 elderly patients with T2DM combined with AD to participate in this study. They were randomly divided into 3 groups: the control group, the strength group and the mitigation group with 30 cases in each group. In the control group, patients were only treated with diet and exercise while in the strength group patients were treated with oral hypoglycemic medications, subcutaneous insulin infusion or continuous infusion by micropump...
June 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28676626/yeast-cip1-is-activated-by-environmental-stress-to-inhibit-cdk1-g1-cyclins-via-mcm1-and-msn2-4
#14
Ya-Lan Chang, Shun-Fu Tseng, Yu-Ching Huang, Zih-Jie Shen, Pang-Hung Hsu, Meng-Hsun Hsieh, Chia-Wei Yang, Silvia Tognetti, Berta Canal, Laia Subirana, Chien-Wei Wang, Hsiao-Tan Chen, Chi-Ying Lin, Francesc Posas, Shu-Chun Teng
Upon environmental changes, proliferating cells delay cell cycle to prevent further damage accumulation. Yeast Cip1 is a Cdk1 and Cln2-associated protein. However, the function and regulation of Cip1 are still poorly understood. Here we report that Cip1 expression is co-regulated by the cell-cycle-mediated factor Mcm1 and the stress-mediated factors Msn2/4. Overexpression of Cip1 arrests cell cycle through inhibition of Cdk1-G1 cyclin complexes at G1 stage and the stress-activated protein kinase-dependent Cip1 T65, T69, and T73 phosphorylation may strengthen the Cip1and Cdk1-G1 cyclin interaction...
July 4, 2017: Nature Communications
https://www.readbyqxmd.com/read/28674405/lack-of-evidence-for-involvement-of-tonebp-and-hyperosmotic-stimulus-in-induction-of-autophagy-in-the-nucleus-pulposus
#15
Chao Liu, Hyowon Choi, Zariel I Johnson, Jiwei Tian, Irving M Shapiro, Makarand V Risbud
Nucleus pulposus (NP) cells reside in a physiologically hyperosmotic environment within the intervertebral disc. TonEBP/NFAT5 is an osmo-sensitive transcription factor that controls expression of genes critical for cell survival under hyperosmotic conditions. A recent report on NP and studies of other cell types have shown that hyperosmolarity triggers autophagy. However, little is known whether such autophagy induction occurs through TonEBP. The goal of this study was to investigate the role of TonEBP in hyperosmolarity-dependent autophagy in NP...
July 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28673338/sustained-hyperosmolarity-increses-tgf-%C3%A3-1-and-egr-1-expression-in-the-rat-renal-medulla
#16
Miklós M Mózes, Petra Szoleczky, László Rosivall, Gábor Kökény
BACKGROUND: Although TGF-ß and the transcription factor Egr-1 play an important role in both kidney fibrosis and in response to acute changes of renal medullary osmolarity, their role under sustained hypo- or hyperosmolar conditions has not been elucidated. We investigated the effects of chronic hypertonicity and hypotonicity on the renal medullary TGF-ß and Egr-1 expression. METHODS: Male adult Sprague Dawley rats (n = 6/group) were treated with 15 mg/day furosemide, or the rats were water restricted to 15 ml/200 g body weight per day...
July 3, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28665367/-algorithms-of-the-correction-of-fluid-and-electrolyte-disorders-in-patients-with-severe-ischemic-stroke
#17
V I Ershov, A N Chirkov
AIM: To develop a practical algorithm for the correction of sodium levels and osmolality of blood plasma during the acute period of severe ischemic stroke (IS). MATERIAL AND METHODS: One hundred and fifty patients with cardioembolic or atherothrombotic stroke, aged from 30 to 80 years, hospitalized in the first 12 h after symptom emergence, were examined. Neurological deficit was assessed with the NIHSS. The monitoring of blood plasma sodium level and osmolality of blood plasma in the 1st and 5th day after stroke as well as of blood circulation volume was performed...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28648676/regulation-of-glut4-activity-in-myotubes-by-3-o-methyl-d-glucose
#18
Ofer Shamni, Guy Cohen, Arie Gruzman, Hilal Zaid, Amira Klip, Erol Cerasi, Shlomo Sasson
The rate of glucose influx to skeletal muscles is determined primarily by the number of functional units of glucose transporter-4 (GLUT4) in the myotube plasma membrane. The abundance of GLUT4 in the plasma membrane is tightly regulated by insulin or contractile activity, which employ distinct pathways to translocate GLUT4-rich vesicles from intracellular compartments. Various studies have indicated that GLUT4 intrinsic activity is also regulated by conformational changes and/or interactions with membrane components and intracellular proteins in the vicinity of the plasma membrane...
June 23, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28646357/management-of-hyperglycemia-and-diabetes-in-the-emergency-department
#19
REVIEW
Justin B Echouffo-Tcheugui, Rajesh Garg
PURPOSE OF REVIEW: Hyperglycemia in the emergency department (ED) is being recognized as a public health problem and presents a clinical challenge. This review critically summarizes available evidence on the burden, etiology, diagnosis, and practical management strategies for hyperglycemia in the ED. RECENT FINDINGS: Diabetic ketoacidosis (DKA) and hyperglycemic hyperosmolar state (HHS) are hyperglycemic emergencies that commonly present to the ED. However, the most common form of hyperglycemia in ED is associated with non-hyperglycemic medical emergencies...
August 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28646191/prednisolone-induces-apoptosis-in-corneal-epithelial-cells-through-the-intrinsic-pathway
#20
Jin Suk Ryu, Jung Hwa Ko, Mee Kum Kim, Won Ryang Wee, Joo Youn Oh
Glucocorticoid eye drops are one of the most widely used medications in ophthalmology. However, little is known about the effects of glucocorticoids on corneal epithelial cells that are directly exposed to topically-administered glucocorticoids. Here we investigated the effects of prednisolone, a synthetic glucocorticoid analogue frequently used in the clinic, on corneal epithelial cells. Results showed that prednisolone decreased survival of corneal epithelial cells by inhibiting proliferation and inducing apoptosis in a dose-dependent manner...
June 23, 2017: Scientific Reports
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