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https://www.readbyqxmd.com/read/28429884/in-defence-of-ph
#1
EDITORIAL
Holger Nilsson
The maintenance of the milieu intérieur is at an essential concept in physiology. The first line of defence against perturbations of the internal environment consists of the homeostatic mechanisms that maintain constancy of the extracellular fluid. A second line of defence is the maintenance of a constant intracellular environment, should the extracellular have been compromised. In this issue of Acta Physiologica, Bonde and Boedtkjer(1) study the maintenance of intracellular pH under situations of increased acidity and reduced sodium concentration in the extracellular environment...
April 21, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/28429840/non-response-to-fluconazole-maintenance-treatment-recidif-regimen-for-recurrent-vulvovaginal-candidosis-is-not-related-to-impaired-glucose-metabolism
#2
Svitrigaile Grinceviciene, Gert Bellen, Kateryna Ruban, Gilbert Donders
Is non-response to maintenance treatment for recurrent vulvovaginal candidosis (RCVV) related to the impaired glucose metabolism? In the ReCiDiF trial, women with RCVV were given a degressive regimen with fluconazole according to their clinical, microscopic and mycologic response. Data obtained from optimal, suboptimal and non-reponding patients were used for secondary analysis of medical history, physical status and family history for potential glucose impairment. Results were presented in means and percentages...
April 21, 2017: Mycoses
https://www.readbyqxmd.com/read/28427958/micro-anatomical-changes-in-major-blood-vessel-caused-by-dengue-virus-serotype-2-infection
#3
Sivan Padma Priya, S Sakinah, Mok Pooi Ling, Hui-Yee Chee, Akon Higuchi, Rukman Awang Hamat, Vasantha Kumari Neela, Abdullah A Alarfaj, Murugan A Munusamy, Ashraf A Hatamleh, Ahmed E Al-Sabri, Ibrahim Ahmad Abdulaziz Al-Suwailem, Mariappan Rajan, Giovanni Benelli, Marlina, S Suresh Kumar
Dengue virus (DENV) has emerged as a major economic concern in developing countries, with 2.5 billion people believed to be at risk. Vascular endothelial cells (ECs) lining the circulatory system from heart to end vessels perform crucial functions in the human body, by aiding gas exchange in lungs, gaseous, nutritional and its waste exchange in all tissues, including the blood brain barrier, filtration of fluid in the glomeruli, neutrophil recruitment, hormone trafficking, as well as maintenance of blood vessel tone and hemostasis...
April 17, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28427319/mechanobiological-modelling-of-tendons-review-and-future-opportunities
#4
Mark S Thompson, M Nazri Bajuri, Hanifeh Khayyeri, Hanna Isaksson
Tendons are adapted to carry large, repeated loads and are clinically important for the maintenance of musculoskeletal health in an increasing, actively ageing population, as well as in elite athletes. Tendons are known to adapt to mechanical loading. Also, their healing and disease processes are highly sensitive to mechanical load. Computational modelling approaches developed to capture this mechanobiological adaptation in tendons and other tissues have successfully addressed many important scientific and clinical issues...
May 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28422915/enteral-tranexamic-acid-attenuates-vasopressor-resistance-and-changes-in-%C3%AE-1-adrenergic-receptor-expression-in-hemorrhagic-shock
#5
Marco Santamaria, Federico Aletti, Joyce B Li, Aaron Tan, Monica Chang, Jessica Leon, Geert W Schmid-Schönbein, Erik B Kistler
BACKGROUND: Irreversible hemorrhagic shock is characterized by hyporesponsiveness to vasopressor and fluid therapy. Little is known, however, about the mechanisms that contribute to this phenomenon. Previous studies have shown that decreased intestinal perfusion in hemorrhagic shock leads to proteolytically-mediated increases in gut permeability, with subsequent egress of vasoactive substances systemically. Maintenance of blood pressure is achieved in part by α1 receptor modulation, which may be affected by vasoactive factors; we thus hypothesized that decreases in hemodynamic stability and vasopressor response in shock can be prevented by enteral protease inhibition...
April 18, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28416250/therapeutic-hypothermia-for-neonates-with-hypoxic-ischemic-encephalopathy
#6
REVIEW
Ming-Chou Chiang, Yuh-Jyh Jong, Chyi-Her Lin
Therapeutic hypothermia (TH) is a recommended regimen for newborn infants who are at or near term with evolving moderate-to-severe hypoxic ischemic encephalopathy (HIE). The Task Force of the Taiwan Child Neurology Society and the Taiwan Society of Neonatology held a joint meeting in 2015 to establish recommendations for using TH on newborn patients with HIE. Based on current evidence and experts' experiences, this review article summarizes the key points and recommendations regarding TH for newborns with HIE, including: (1) selection criteria for TH; (2) choices of method and equipment for TH; (3) TH prior to and during transport; (4) methods for temperature maintenance, monitoring, and rewarming; (5) systemic care of patients during TH, including the care of respiratory and cardiovascular systems, management of fluids, electrolytes, and nutrition, as well as sedation and drug metabolism; (6) monitoring and management of seizures; (7) neuroimaging, prognostic factors, and outcomes; and (8) adjuvant therapy for TH...
March 27, 2017: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/28408387/how-to-improve-maintenance-intravenous-fluid-prescribing-practices-in-bronchiolitis
#7
Michael L Moritz, Juan C Ayus
No abstract text is available yet for this article.
April 13, 2017: Hospital Pediatrics
https://www.readbyqxmd.com/read/28405787/outcomes-of-switching-treatment-to-aflibercept-in-patients-with-macular-oedema-secondary-to-central-retinal-vein-occlusion-refractory-to-ranibizumab
#8
Vasileios Konidaris, Zahra Al-Hubeshy, Konstantinos T Tsaousis, Konstantina Gorgoli, Somnath Banerjee, Theodoros Empeslidis
PURPOSE: To assess the treatment outcome of switching from ranibizumab to aflibercept intravitreal injections in patients with macular oedema secondary to central retinal vein occlusion (CRVO). METHODS: A prospective interventional study was conducted in a tertiary retina service in Leicester Royal Infirmary, UK, where patients with CRVO and associated macular oedema were recruited. First-line treatment involved three monthly ranibizumab injections. Non-responders were defined as patients who despite a minimum of three consecutive injections had persistent intraretinal fluid one month after the last injection...
April 12, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28403239/simulated-blast-overpressure-induces-specific-astrocyte-injury-in-an-ex-vivo-brain-slice-model
#9
Saranya Canchi, Malisa Sarntinoranont, Yu Hong, Jeremy J Flint, Ghatu Subhash, Michael A King
Exposure to explosive blasts can produce functional debilitation in the absence of brain pathology detectable at the scale of current diagnostic imaging. Transient (ms) overpressure components of the primary blast wave are considered to be potentially damaging to the brain. Astrocytes participate in neuronal metabolic maintenance, blood-brain barrier, regulation of homeostatic environment, and tissue remodeling. Damage to astrocytes via direct physical forces has the potential to disrupt local and global functioning of neuronal tissue...
2017: PloS One
https://www.readbyqxmd.com/read/28396935/state-of-the-art-in-fluid-and-volume-therapy-a%C3%A2-user-friendly-staged-concept-english-version
#10
M Rehm, N Hulde, T Kammerer, A S Meidert, K Hofmann-Kiefer
Adequate intraoperative infusion therapy is essential for the perioperative outcome of a patient. Both hypo- and hypervolemia can lead to an increased rate of perioperative complications and to a worse outcome. Perioperative infusion therapy should therefore be needs-based. The primary objective is the maintenance of preoperative normovolemia using a rational infusion strategy. Perioperative fluid losses should be differentiated from volume losses due to surgical bleeding or protein losses into the interstitial space...
April 10, 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/28392152/how-exercise-influences-equine-joint-homeostasis
#11
REVIEW
Nikae C R Te Moller, P René van Weeren
The maintenance of joint homeostasis is integral to joint health. Knowledge of the influence of exercise on joint homeostasis is not only relevant for determining sustainable levels of equine athletic training, but also for the study of early development of osteoarthritis or cartilage repair in animal models. This review provides an overview of findings derived from in vivo studies and postmortem analyses investigating exercise effects on various joint tissue components in the horse, supplemented where appropriate with data from small animal models...
March 28, 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28391616/variation-in-the-post-mating-fitness-landscape-in-fruitflies
#12
Claudia Fricke, Tracey Chapman
Sperm competition is pervasive and fundamental to determining a male's overall fitness. Sperm traits and seminal fluid proteins (Sfps) are key factors. However, studies of sperm competition may often exclude females that fail to remate during a defined period. Hence, the resulting datasets contain fewer data from the potentially fittest males that have most success in preventing female remating. It is also important to consider a male's reproductive success before entering sperm competition, which is a major contributor to fitness...
April 9, 2017: Journal of Evolutionary Biology
https://www.readbyqxmd.com/read/28385297/renal-tubular-nhe3-is-required-in-the-maintenance-of-water-and-sodium-chloride-homeostasis
#13
Robert A Fenton, Søren B Poulsen, Samantha de la Mora Chavez, Manoocher Soleimani, Jessica A Dominguez Rieg, Timo Rieg
The sodium/proton exchanger isoform 3 (NHE3) is expressed in the intestine and the kidney, where it facilitates sodium (re)absorption and proton secretion. The importance of NHE3 in the kidney for sodium chloride homeostasis, relative to the intestine, is unknown. Constitutive tubule-specific NHE3 knockout mice (NHE3(loxloxCre)) did not show significant differences compared to control mice in body weight, blood pH or bicarbonate and plasma sodium, potassium, or aldosterone levels. Fluid intake, urinary flow rate, urinary sodium/creatinine, and pH were significantly elevated in NHE3(loxloxCre) mice, while urine osmolality and GFR were significantly lower...
April 3, 2017: Kidney International
https://www.readbyqxmd.com/read/28381995/working-memory-training-for-healthy-older-adults-the-role-of-individual-characteristics-in-explaining-short-and-long-term-gains
#14
Erika Borella, Elena Carbone, Massimiliano Pastore, Rossana De Beni, Barbara Carretti
Objective: The aim of the present study was to explore whether individual characteristics such as age, education, vocabulary, and baseline performance in a working memory (WM) task-similar to the one used in the training (criterion task)-predict the short- and long-term specific gains and transfer effects of a verbal WM training for older adults. Method: Four studies that adopted the Borella et al. (2010) verbal WM training procedure were found eligible for our analysis as they included: healthy older adults who attended either the training sessions (WM training group), or alternative activities (active control group); the same measures for assessing specific gains (on the criterion WM task), and transfer effects (nearest on a visuo-spatial WM task, near on short-term memory tasks and far on a measure of fluid intelligence, a measure of processing speed and two inhibitory measures); and a follow-up session...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28370284/induced-retro-differentiation-of-human-retinal-pigment-epithelial-cells-on-polyhema
#15
Fatemeh Nazemroaya, Zahra-Soheila Soheili, Shahram Samiei, Abdolkhalegh Deezagi, Hamid Ahmadieh, Malihe Davari, Razeih Heidari, Abouzar Bagheri, Shamila Darvishalipour-Astaneh
Retinal pigment epithelium (RPE) cells represent a great potential to rescue degenerated cells of the damaged retina. Activation of the virtually plastic properties of RPE cells may aid in recovery of retinal degenerative disorders without the need for entire RPE sheet transplantation. Poly (2-hydroxyethyl methacrylate)(PolyHEMA) is one of the most important hydrogels in the biomaterials world. This hydrophobic polymer does not normally support attachment of mammalian cells. In the current study we investigated the effect of PolyHEMA as a cell culture substrate on the growth, differentiation and plasticity of hRPE cells...
March 29, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28368475/the-adequate-corpus-luteum-mir-96-promotes-luteal-cell-survival-and-progesterone-production
#16
Bushra T Mohammed, Sadanand D Sontakke, Jason Ioannidis, W Colin Duncan, F Xavier Donadeu
Context: Inadequate progesterone production from the corpus luteum is associated with pregnancy loss. Data available in model species suggest important roles of miRNAs in luteal development and maintenance. Objective: To comprehensively investigate the involvement of miRNAs during the ovarian follicle-luteal transition. Design: The effects of specific miRNAs on survival and steroid production by human luteinized granulosa cells (hLGCs) were tested using specific miRNA inhibitors...
March 20, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28366818/effects-of-root-debridement-and-adjunctive-photodynamic-therapy-in-residual-pockets-of-patients-on-supportive-periodontal-therapy-a-randomized-split-mouth-trial
#17
Edwin X Goh, Kai Soo Tan, Yiong Huak Chan, Lum Peng Lim
BACKGROUND: The study aims to compare the effects of adjunctive photodynamic therapy (PDT) with scaling and root debridement alone on periodontal parameters and inflammatory cytokines in residual pockets of patients undergoing maintenance therapy. METHODS: 27 subjects, each with at least 2 residual pockets ≥5mm, were recruited for this randomized, split-mouth controlled trial, providing total of 72 sites. Probing pocket depth (PPD), recession, clinical attachment loss (CAL), plaque and bleeding on probing of all sites were examined at baseline, 3 and 6 months...
March 30, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28361318/generation-of-a-three-dimensional-kidney-structure-from-pluripotent-stem-cells
#18
Yasuhiro Yoshimura, Atsuhiro Taguchi, Ryuichi Nishinakamura
The kidney is a vital organ that has an important role in the maintenance of homeostasis by fluid volume regulation and waste product excretion. This role cannot be performed without the three-dimensional (3D) structure of the kidney. Therefore, it is important to generate the 3D structure of the kidney when inducing functional kidney tissue or the whole organ from pluripotent stem cells. In this chapter, we describe the detailed methods to induce kidney progenitor cells from pluripotent stem cells, which are based on embryological development...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28350080/homeostasis-and-the-concept-of-interstitial-fluids-hierarchy-relevance-of-cerebrospinal-fluid-sodium-concentrations-and-brain-temperature-control%C3%A2-review
#19
Luigi F Agnati, Manuela Marcoli, Giuseppina Leo, Guido Maura, Diego Guidolin
In this review, the aspects and further developments of the concept of homeostasis are discussed also in the perspective of their possible impact in the clinical practice, particularly as far as psychic homeostasis is concerned. A brief historical survey and comments on the concept of homeostasis and allostasis are presented to introduce our proposal that is based on the classical assumption of the interstitial fluid (ISF) as the internal medium for multicellular organisms. However, the new concept of a hierarchic role of ISF of the various organs is introduced...
February 3, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28348102/acute-peritoneal-dialysis-in-patients-with-acute-kidney-injury
#20
Seong Cho, Sung-Rok Kim, Yu-Ji Lee
♦ Background: The purpose of this study was to evaluate the efficacy, complications, and mortality rate associated with acute peritoneal dialysis (PD) in patients with acute kidney injury (AKI). ♦ Methods: A total of 75 patients who were treated at Samsung Changwon Hospital between February 2005 and March 2016 were included in the study sample. The outcomes included in-hospital survival, renal recovery, metabolic and fluid control rates, and technical success rates. ♦ Results: Refractory heart failure was the most frequent cause of acute PD (49...
March 27, 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
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