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Hydration status

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
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
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
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
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
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
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
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
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...
September 20, 2016: Drug Delivery
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
Hye Eun Yoon, Young Joo Kwon, Ho Cheol Song, Jin Kuk Kim, Young Rim Song, Seok Joon Shin, Hyung Wook Kim, Chang Hwa Lee, Tae Won Lee, Young Ok Kim, Byung Soo Kim, Kyoung Hyoub Moon, Yoon Kyung Chang, Seong Suk Kim, Kitae Bang, Jong Tae Cho, Sung Ro Yun, Ki Ryang Na, Yang Wook Kim, Byoung Geun Han, Jong Hoon Chung, Kwang Young Lee, Jong Hyeok Jeong, Eun Ah Hwang, Yong-Soo Kim
UNLABELLED: Backgound: This study evaluated whether the hydration status affected health-related quality of life (HRQOL) during 12 months in peritoneal dialysis (PD) patients. METHODS: The hydration status and the HRQOL were examined at baseline and after 12 months using a bioimpedance spectroscopy and Kidney Disease Quality of Life-Short Form, respectively in PD patients. Four hundred eighty-one patients were included and divided according to the baseline overhydration (OH) value; normohydration group (NH group, -2L≤ OH ≤+2L, n=266) and overhydration group (OH group, OH >+2L, n=215)...
2016: International Journal of Medical Sciences
Sung Noh Hong, James C Y Dunn, Matthias Stelzner, Martín G Martín
: : Intestinal failure is a rare life-threatening condition that results in the inability to maintain normal growth and hydration status by enteral nutrition alone. Although parenteral nutrition and whole organ allogeneic transplantation have improved the survival of these patients, current therapies are associated with a high risk for morbidity and mortality. Development of methods to propagate adult human intestinal stem cells (ISCs) and pluripotent stem cells raises the possibility of using stem cell-based therapy for patients with monogenic and polygenic forms of intestinal failure...
September 16, 2016: Stem Cells Translational Medicine
Timothy J Schultz, Peter Roupas, Richard Wiechula, Debra Krause, Susan Gravier, Anthony Tuckett, Sonia Hines, Alison Kitson
BACKGROUND: Optimizing body composition for healthy aging in the community is a significant challenge. There are a number of potential interventions available for older people to support both weight gain (for those who are underweight) and weight loss (for overweight or obese people). While the benefits of weight gain for underweight people are generally clearly defined, the value of weight loss in overweight or obese people is less clear, particularly for older people. OBJECTIVES: This umbrella review aimed to measure the effectiveness of nutritional interventions for optimizing healthy body composition in older adults living in the community and to explore theirqualitative perceptions...
August 2016: JBI Database of Systematic Reviews and Implementation Reports
Teresa F Amaral, Alejandro Santos, Rita S Guerra, Ana S Sousa, Luísa Álvares, Rui Valdiviesso, Cláudia Afonso, Patrícia Padrão, Cátia Martins, Graça Ferro, Pedro Moreira, Nuno Borges
BACKGROUND: The population of Portugal is aging. The lack of data on older adults' nutritional status and the lack of nutrition knowledge amongst health professionals, caregivers, and older adults themselves, remains a challenge. OBJECTIVE: The Nutrition UP 65 study aims to reduce nutritional inequalities in the older Portuguese adult population and improve knowledge regarding older Portuguese adults' nutritional status, specifically relating to undernutrition, obesity, sarcopenia, frailty, hydration, sodium, and vitamin D statuses...
2016: JMIR Research Protocols
Laurent Chapelle, Bruno Tassignon, Dirk Aerenhouts, Patric Mullie, Peter Clarys
BACKGROUND: The hydration status of elite female soccer players is a concern, especially during high-volume training periods or tournaments. Furthermore, scientific literature on this topic is scarce to non-existent. Therefore, the primary aim of this study was to evaluate the hydration status in elite youth female soccer players during an official tournament. The secondary aim was to identify a possible relationship between pre-training hydration status and fluid intake. METHODS: Eighteen players were followed during eight consecutive days...
September 13, 2016: Journal of Sports Medicine and Physical Fitness
Nesli Ersoy, Gulgun Ersoy, Mehmet Kutlu
BACKGROUND: The purpose of the study is to determine and compare the hydration status with different methods and determine fluid intake, dehydration percentages and sweat rate of 26 young male soccer players (15 ± 1.2 years) before an important competition. More specifically, the study aims at validating the urine strip and advising the players to use it as an easy and practical method. METHODS: Measurements of urine analysis were taken from the urine sample of the participants before breakfast and conducted for 3 consecutive days before the competition...
2016: Journal of the International Society of Sports Nutrition
Liqiang Lin, Jitin Samuel, Xiaowei Zeng, Xiaodu Wang
The mechanical behavior of bone is determined at all hierarchical levels, including lamellae (the basic building block of bone) that are comprised of mineralized collagen fibrils and extrafibrillar matrix. The mechanical behavior of mineralized collagen fibrils has been investigated intensively using both experimental and computational approaches. Yet, the contribution of the extrafibrillar matrix to bone mechanical properties is poorly documented. In this study, we intended to address this issue using a novel cohesive finite element (FE) model, in conjunction with the experimental observations reported in the literature...
August 26, 2016: Journal of the Mechanical Behavior of Biomedical Materials
William M Adams, Lesley W Vandermark, Luke N Belval, Rachel M VanScoy, Sarah M Attanasio, Douglas J Casa
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
Denard Veshi
This study examines the decisions of the French Conseil d'Etat (Supreme Administrative Court) and the European Court of Human Rights in the Lambert case concerning the withdrawal of life-sustaining treatments. After presenting the facts of this case, the main legal question will be analyzed from an ethical and medical standpoint. The decisions of the Conseil d'État and then of the European Court of Human Rights are studied from a comparative legal perspective. This commentary focuses on the autonomous will of an unconscious patient and on the judicial interpretation of the right to life as recognized in article 2 of the European Convention on Human Rights...
August 31, 2016: Medicine, Health Care, and Philosophy
María Cristina Di Gioia, Raul Gascuena, Paloma Gallar, Gabriela Cobo, Rosa Camacho, Nuria Acosta, Zsofia Baranyi, Isabel Rodriguez, Aniana Oliet, Olimpia Ortega, Inmaculada Fernandez, Carmen Mon, Milagros Ortiz, Mari C Manzano, Juan C Herrero, José I Martinez, Joaquín Palma, Ana Vigil
BACKGROUND: Chronic fluid overload is frequent in hemodialysis patients (P) and it associates with hypertension, left ventricular hypertrophy (LVH) and higher mortality. Moreover, echocardiographic data assessing fluid overload is limited. Our aim was to evaluate the relationship between fluid overload measured by bioimpedance spectroscopy (BIS) and different echocardiographic parameters. METHODS: Cross-sectional observational study including 76 stable patients...
August 26, 2016: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
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