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Hydration status

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https://www.readbyqxmd.com/read/27901340/effects-of-a-trail-mountain-race-on-neuromuscular-performance-and-hydration-status-in-trained-runners
#1
Ernest Baiget, Javier Peña, Xantal Borràs, Toni Caparrós, José L López, Francesc Marin, Jordi Coma, Eduard Comerma
BACKGROUND: The aims of this study were (a) to examine the effects of a trail mountain race (TMR) on hydration status and neuromuscular performance of recreational trail runners and (b) to determine the relationship among these parameters, subject's characteristics and competitive performance. METHODS: 35 male recreational trail runners (age, 38.1 ± 9.5 years; height, 177.3 ± 5.8 cm; body mass, 73.8 ± 8.4 kg; mean ± SD) were assessed before and after a 21.1 km TMR...
November 30, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27893870/associations-between-hydration-status-intravenous-fluid-administration-and-outcomes-of-patients-infected-with-shiga-toxin-producing-escherichia-coli-a-systematic-review-and-meta-analysis
#2
Silviu Grisaru, Jianling Xie, Susan Samuel, Lisa Hartling, Phillip I Tarr, David Schnadower, Stephen B Freedman
Importance: The associations between hydration status, intravenous fluid administration, and outcomes of patients infected with Shiga toxin-producing Escherichia coli (STEC) remain unclear. Objective: To determine the relationship between hydration status, the development and severity of hemolytic uremic syndrome (HUS), and adverse outcomes in STEC-infected individuals. Data Sources: MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials via the OvidSP platform, PubMed via the National Library of Medicine, CINAHL Plus with full text, Scopus, Web of Science, ClinicalTrials...
November 28, 2016: JAMA Pediatrics
https://www.readbyqxmd.com/read/27891237/the-impact-of-fire-suppression-tasks-on-firefighter-hydration-a-critical-review-with-consideration-of-the-utility-of-reported-hydration-measures
#3
REVIEW
Adam Walker, Rodney Pope, Robin Marc Orr
BACKGROUND: Firefighting is a highly stressful occupation with unique physical challenges, apparel and environments that increase the potential for dehydration. Dehydration leaves the firefighter at risk of harm to their health, safety and performance. The purpose of this review was to critically analyse the current literature investigating the impact of fighting 'live' fires on firefighter hydration. METHODS: A systematic search was performed of four electronic databases for relevant published studies investigating the impact of live fire suppression on firefighter hydration...
2016: Annals of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/27881798/acclimation-of-leaf-water-status-and-stem-hydraulics-to-drought-and-tree-neighbourhood-alternative-strategies-among-the-saplings-of-five-temperate-deciduous-tree-species
#4
Torben Lübbe, Bernhard Schuldt, Christoph Leuschner
Adjustment in leaf water status parameters and modification in xylem structure and functioning can be important elements of a tree's response to continued water limitation. In a growth trial with saplings of five co-occurring temperate broad-leaved tree species (genera Fraxinus, Acer, Carpinus, Tilia and Fagus) conducted in moist or dry soil, we compared the drought acclimation in several leaf water status and stem hydraulic parameters. Considering the extremes in the species responses, Fraxinus excelsior L...
November 22, 2016: Tree Physiology
https://www.readbyqxmd.com/read/27879652/fluid-intake-of-pregnant-and-breastfeeding-women-in-indonesia-a-cross-sectional-survey-with-a-seven-day-fluid-specific-record
#5
Saptawati Bardosono, Damar Prasmusinto, Diah R Hadiati, Bangun T Purwaka, Clementine Morin, Rizki Pohan, Diana Sunardi, Dian N Chandra, Isabelle Guelinckx
During pregnancy and lactation, the adequate intake (AI) for total water intake is increased. This cross-sectional survey aimed to assess Total Fluid Intake (TFI; sum of drinking water and all other fluids) of 300 pregnant and 300 breastfeeding women in Indonesia. A seven-day fluid specific record was used to assess TFI. Mean TFI of pregnant and breastfeeding women were 2332 ± 746 mL/day and 2525 ± 843 mL/day, respectively. No significant difference in TFI between pregnancy trimesters was observed, while TFI of women breastfeeding for 12-24 months postpartum (2427 ± 955 mL/day) was lower than that of the two other groups (0-5 months: 2607 ± 754 mL/day; 6-11 months: 2538 ± 807 mL/day, respectively)...
November 22, 2016: Nutrients
https://www.readbyqxmd.com/read/27863354/contrast-media-use-in-patients-with-chronic-kidney-disease-undergoing-coronary-angiography-a-systematic-review-and-meta-analysis-of-randomized-trials
#6
Bhavi Pandya, Jean Chaloub, Valay Parikh, Sainath Gaddam, Jonathan Spagnola, Suzanne El-Sayegh, Marc Bogin, Ruben Kandov, James Lafferty, Sripal Bangalore
BACKGROUND: Patients with chronic kidney disease (CKD) undergoing coronary angiography (CA), adequate hydration and minimizing volume of contrast media (CM) are class 1b recommendations for preventing contrast induced nephropathy (CIN). Current data are insufficient to justify specific recommendations about isoosmolar vs. low-osmolar contrast media by the ACCF/AHA/SCAI guidelines. METHODS: Randomized trials comparing IOCM to LOCM in CKD stage 3 and above patients undergoing CA, and reporting incidence of CIN (defined by a rise in creatinine of 25% from baseline) were included in the analysis...
November 9, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27849463/core-temperature-in-service-members-with-and-without-traumatic-amputations-during-a-prolonged-endurance-event
#7
Anne M Andrews, Christina Deehl, Reva L Rogers, Alison L Pruziner
INTRODUCTION: Service members with traumatic amputations may be at an increased risk of elevated core body temperature, since their ability to dissipate heat may decrease with the reduction in body surface area (BSA) after injury. Elevated core temperature can impair physical performance during combat operations potentially putting the service members and their teams at risk. The purpose of this study was to compare core temperature between individuals with and without amputations during a prolonged endurance event...
November 2016: Military Medicine
https://www.readbyqxmd.com/read/27834596/ventriculo-ureteral-shunt-insertion-using-percutaneous-nephrostomy-a-novel-minimally-invasive-option-in-a-patient-with-chronic-hydrocephalus-complicated-by-multiple-distal-ventriculoperitoneal-shunt-failures
#8
Ashok Pillai, Georgie Mathew, Sivasankaran Nachimuthu, Sanjeevan Vasudevan Kalavampara
The management of ventriculoperitoneal (VP) shunt failure is a common problem in neurosurgical practice. On occasion, extraperitoneal sites for CSF diversion are required when shunting to the peritoneal cavity has failed after multiple attempts. The authors report a novel minimally invasive procedure allowing cannulation of the ureter for the purpose of ventriculo-ureteral (VU) shunting. Sixteen years prior to presentation, this 46-year-old woman had contracted tuberculous meningitis and had chronic hydrocephalus, with multiple distal shunt failures in recent months...
November 11, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27821105/interventions-and-decision-making-at-the-end-of-life-the-effect-of-establishing-the-terminal-illness-situation
#9
C Campos-Calderón, R Montoya-Juárez, C Hueso-Montoro, E Hernández-López, F Ojeda-Virto, M P García-Caro
BACKGROUND: Many 'routine' interventions performed in hospital rooms have repercussions for the comfort of the patient, and the decision to perform them should depend on whether the patient is identified as in a terminal phase. The aim of this study is to analyse the health interventions performed and decisions made in the last days of life in patients with advanced oncological and non-oncological illness to ascertain whether identifying the patient's terminal illness situation has any effect on these decisions...
November 7, 2016: BMC Palliative Care
https://www.readbyqxmd.com/read/27813296/simple-method-to-introduce-an-ester-infrared-probe-into-proteins
#10
Ismail A Ahmed, Feng Gai
The ester carbonyl stretching vibration has recently been shown to be a sensitive and convenient infrared (IR) probe of protein electrostatics due to the linear dependence of its frequency on local electric field. While an ester moiety can be easily incorporated into peptides via solid-phase synthesis, currently there is no method available to site-specifically incorporate it into a large protein. Herein, we show that it is possible to use a cysteine alkylation reaction to achieve this goal and demonstrate the feasibility of this simple method by successfully incorporating a methyl ester group (-CH2 COOCH3 ) into a model peptide (YGGCGG), two amyloid-forming peptides derived from the insulin B chain and Aβ, and bovine serum albumin (BSA)...
November 4, 2016: Protein Science: a Publication of the Protein Society
https://www.readbyqxmd.com/read/27759981/validity-and-reliability-of-beverage-intake-questionnaire-evaluating-hydration-status
#11
Efsun Kaabudak, Eda Koksal
OBJECTIVE: The purpose of this investigation is to test the validity and reliability the assessment methods for the true beverage consumption of adults. METHODS: This cross-sectional study was carried out 291 healthy volunteers. The beverage intake questionnaire (BIQ) was prepared in combination with a new one which is developed based on basic principles and the existing one developed for the beverages consumed the most with respect to frequency and amount by Turkish populations...
September 20, 2016: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/27747772/the-impact-of-gastrointestinal-symptoms-and-dermatological-injuries-on-nutritional-intake-and-hydration-status-during-ultramarathon-events
#12
Ricardo J S Costa, Rhiannon Snipe, Vera Camões-Costa, Volker Scheer, Andrew Murray
BACKGROUND: Debilitating gastrointestinal symptoms (GIS) and dermatological injuries (DI) are common during and after endurance events and have been linked to performance decrements, event withdrawal, and issues requiring medical attention. The study aimed to determine whether GIS and DI affect food and fluid intake, and nutritional and hydration status, of ultramarathon runners during multi-stage (MSUM) and 24-h continuous (24 h) ultramarathons. METHODS: Ad libitum food and fluid intakes of ultramarathon runners (MSUM n = 54; 24 h n = 22) were recorded throughout both events and analysed by dietary analysis software...
December 2016: Sports Medicine—Open
https://www.readbyqxmd.com/read/27725984/infrared-and-fluorescence-assessment-of-the-hydration-status-of-the-tryptophan-gate-in-the-influenza-a-m2-proton-channel
#13
Beatrice N Markiewicz, Thomas Lemmin, Wenkai Zhang, Ismail A Ahmed, Hyunil Jo, Giacomo Fiorin, Thomas Troxler, William F DeGrado, Feng Gai
The M2 proton channel of the influenza A virus has been the subject of extensive studies because of its critical role in viral replication. As such, we now know a great deal about its mechanism of action, especially how it selects and conducts protons in an asymmetric fashion. The conductance of this channel is tuned to conduct protons at a relatively low biologically useful rate, which allows acidification of the viral interior of a virus entrapped within an endosome, but not so great as to cause toxicity to the infected host cell prior to packaging of the virus...
October 11, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27710146/high-prevalence-of-dehydration-and-inadequate-nutritional-knowledge-among-university-and-club-level-athletes
#14
Pamela J Magee, Alison M Gallagher, Jacqueline M McCormack
Although dehydration of ≥2% body weight (BW) loss significantly impairs endurance performance, dehydration remains prevalent among athletes and may be owing to a lack of knowledge in relation to fluid requirements. The aim of this study was to assess the hydration status of university/club level athletes (n=430) from a range of sports/activities (army officer cadet training; bootcamp training; cycling; Gaelic Athletic Association camogie, football and hurling; golf; hockey; netball; rugby; running (sprinting and endurance); Shotokan karate and soccer) immediately before and after training/competition and to assess their nutritional knowledge...
October 6, 2016: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/27710145/extreme-rapid-weight-loss-and-rapid-weight-gain-observed-in-uk-mixed-martial-arts-athletes-preparing-for-competition
#15
Joseph John Matthews, Ceri Nicholas
There is a lack of research documenting the weight-making practices of mixed-martial-arts (MMA) competitors. The purpose of the investigation was to quantify the magnitude and identify the methods of rapid weight loss (RWL) and rapid weight gain (RWG) in MMA athletes preparing for competition. Seven athletes (mean ± SD, age 24.6 ± 3.5 yrs, body mass 69.9 ± 5.7 kg, competitive experience 3.1 ± 2.2 yrs) participated in a repeated-measures design. Measures of dietary intake, urinary hydration status, and body mass were recorded in the week preceding competition...
October 6, 2016: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/27709509/effects-of-incretin-based-therapies-and-sglt2-inhibitors-on-skeletal-health
#16
Andrea Egger, Marius E Kraenzlin, Christian Meier
Anti-diabetic drugs are widely used and are essential for adequate glycemic control in patients with type 2 diabetes. Recently, marketed anti-diabetic drugs include incretin-based therapies (GLP-1 receptor agonists and DPP-4 inhibitors) and sodium-glucose co-transporter 2 (SGLT2) inhibitors. In contrast to well-known detrimental effects of thiazolidinediones on bone metabolism and fracture risk, clinical data on the safety of incretin-based therapies is limited. Based on meta-analyses of trials investigating the glycemic-lowering effect of GLP-1 receptor agonists and DPP4 inhibitors, it seems that incretin-based therapies are not associated with an increase in fracture risk...
October 5, 2016: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/27677366/changes-in-body-composition-following-haemodialysis-as-assessed-by-bioimpedance-spectroscopy
#17
K Tangvoraphonkchai, A Davenport
BACKGROUND/OBJECTIVES: Patients with chronic kidney disease treated by haemodialysis (HD) are at increased risk of sarcopenia. Bioelectrical impedance spectroscopy (BIS) can be used to determine body composition, and is one of the several potential screening tools for sarcopenia. The newer generation of portable hand-held devices can be readily used in dialysis centres. The results from BIS devices using a two-compartmental model of body composition can be affected by hydration status and so ideally measurements should be made when patients are not overhydrated...
September 28, 2016: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27673684/the-association-of-hydration-status-with-physical-signs-symptoms-and-survival-in-advanced-cancer-the-use-of-bioelectrical-impedance-vector-analysis-biva-technology-to-evaluate-fluid-volume-in-palliative-care-an-observational-study
#18
Amara Callistus Nwosu, Catriona R Mayland, Stephen Mason, Trevor F Cox, Andrea Varro, John Ellershaw
BACKGROUND: Hydration in advanced cancer is a controversial area; however, current hydration assessments methods are poorly developed. Bioelectrical impedance vector analysis (BIVA) is an accurate hydration tool; however its application in advanced cancer has not been explored. This study used BIVA to evaluate hydration status in advanced cancer to examine the association of fluid status with symptoms, physical signs, renal biochemical measures and survival. MATERIALS AND METHODS: An observational study of 90 adults with advanced cancer receiving care in a UK specialist palliative care inpatient unit was conducted...
2016: PloS One
https://www.readbyqxmd.com/read/27648847/intranasal-brain-targeted-clonazepam-polymeric-micelles-for-immediate-control-of-status-epilepticus-in-vitro-optimization-ex-vivo-determination-of-cytotoxicity-in-vivo-biodistribution-and-pharmacodynamics-studies
#19
Samia A Nour, Nevine S Abdelmalak, Marianne J Naguib, Hassan M Rashed, Ahmed B Ibrahim
Clonazepam (CZ) is an anti-epileptic drug used mainly in status epilepticus (SE). The drug belongs to Class II according to BCS classification with very limited solubility and high permeability and it suffers from extensive first-pass metabolism. The aim of the present study was to develop CZ-loaded polymeric micelles (PM) for direct brain delivery allowing immediate control of SE. PM were prepared via thin film hydration (TFH) technique adopting a central composite face-centered design (CCFD). The seventeen developed formulae were evaluated in terms of entrapment efficiency (EE), particle size (PS), polydispersity index (PDI), zeta potential (ZP), and in vitro release...
November 2016: Drug Delivery
https://www.readbyqxmd.com/read/27648408/is-overhydration-in-peritoneal-dialysis-patients-associated-with-cardiac-mortality-that-might-be-reversible
#20
Elizabeth Oei, Klara Paudel, Annemarie Visser, Hazel Finney, Stanley L Fan
AIM: To study the relationship between overhydration (OH) in peritoneal dialysis (PD) patients and cardiac mortality. METHODS: OH, as measured by body composition monitor (BCM), is associated with increased mortality in dialysis patients. BCM has been used to guide treatment on the assumption that correcting OH will improve cardiac morbidity and mortality although data demonstrating causality that is reversible is limited. We wished to determine if OH in PD patients predicted cardiac mortality, and if there was a correlation between OH and cardiac troponin-T (cTnT) levels...
September 6, 2016: World Journal of Nephrology
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