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Hydration status

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https://www.readbyqxmd.com/read/28812943/tear-osmolarity-is-sensitive-to-exercise-induced-fluid-loss-but-is-not-associated-with-common-hydration-measures-in-a-field-setting
#1
Justin J Holland, Michelle Ray, Christopher Irwin, Tina L Skinner, Michael Leveritt, Ben Desbrow
This investigation (i) examined changes in tear osmolarity in response to fluid loss that occurs with exercise in a field setting, and (ii) compared tear osmolarity with common field and laboratory hydration measures.  Sixty-three participants [age 27.8 ± 8.4 years, body mass 72.15 ± 10.61 kg] completed a self-paced 10 km run outside on a predetermined course. Body mass, tear fluid, venous blood and urine samples were collected immediately before and after exercise.  Significant (p < 0.001) reductions in body mass (1...
August 16, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28802286/urine-color-for-assessment-of-dehydration-among-college-men-students-in-hebei-china-a-cross-sectional-study
#2
Na Zhang, Songming Du, Mengqi Zheng, Zhenchuang Tang, Ruixia Yan, Yitang Zhu, Guansheng Ma
BACKGROUND AND OBJECTIVES: To examine the association between quantified urine color and urine osmolality, and its validity in distinguishing hydration status among college men in Hebei, China. METHODS AND STUDY DESIGN: Sixty-eight college men aged 18~25 years completed a cross-sectional study. All participants were asked to complete a 24-h fluid intake record to estimate fluid intake from beverages after anthropometric measurements. The foods eaten by participants were weighed to assess fluid intake from foods...
2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28799126/hydration-status-drug-interactions-and-determinants-in-a-spanish-elderly-population-a-pilot-study
#3
A M Puga, T Partearroyo, G Varela-Moreiras
Proper hydration is essential to maintain optimal health and well-being at all stages of life, especially for the elderly. Side effects of certain drugs that affect hydration status may compromise the health of the ancients, who also constitute the most vulnerable group. No studies have been carried out, to our knowledge, at the intersection of drugs and hydration status. Our study aimed to evaluate the effects of chronic use of certain drugs (diuretics, corticoids and metformin) in the hydration status of the elderly...
August 10, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28796122/ocular-surface-lubricants
#4
Leonard Bielory, Preeti Wagle
PURPOSE OF REVIEW: The purpose of this article is to provide an overview of the ocular lubricants currently available, consider the components of the various formulations and highlight the status of preservative use in the treatment of anterior ocular surface diseases. RECENT FINDINGS: The primary components of ocular surface lubrication have been, in the past, based on various cellulose formulations that increase hydration. Advances in lubrication have come from areas of the human body requiring lubrication such as the skeletal joints as well as examining the use of natural components of the tear fluid...
August 8, 2017: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28792014/applicability-of-the-direct-parameters-of-bioelectrical-impedance-in-assessing-nutritional-status-and-surgical-complications-of-women-with-gynecological-cancer
#5
I C R Cardoso, M A Aredes, G V Chaves
BACKGROUND/OBJECTIVES: Bioelectrical impedance vector analysis (BIVA) has been considered a promising technique in monitoring the nutritional and hydration status of patients with different types of diseases. The aim of this study was to assess the nutritional status provided by direct parameters of bioelectrical impedance analysis (BIA), BIVA and phase angle (PA), in patients with cervical and endometrial cancer undergoing surgical treatment, associating to other parameters of nutritional status and surgical outcomes...
August 9, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28790225/diagnostic-performance-of-afternoon-urine-osmolality-to-assess-optimal-hydration-status-in-an-adult-healthy-population
#6
Ni Made Hustrini, Parlindungan Siregar, Ginova Nainggolan, Kuntjoro Harimurti
BACKGROUND: optimal hydration represents adequate total daily fluid intake to compensate for daily water losses, ensure adequate urine output to reduce the risk of urolithiasis and renal function decline, and also avoid the production of arginine vasopressin (AVP). Twenty-four-hour urine osmolality has been used to assess hydration status, but it is challenging because of the possibility of spilling urine and limitation of daily activities. This study is aimed to determine the performance of the afternoon urine osmolality to assess the optimal hydration status compared with 24-hour urine osmolality...
April 2017: Acta Medica Indonesiana
https://www.readbyqxmd.com/read/28781178/exercise-associated-hyponatremia-hypernatremia-and-hydration-status-in-multistage-ultramarathons
#7
Brian J Krabak, Grant S Lipman, Brandee L Waite, Sean D Rundell
OBJECTIVE: Dysnatremia and altered hydration status are potentially serious conditions that have not been well studied in multistage ultramarathons. The purpose of this study was to assess the incidence and prevalence of exercise-associated hyponatremia (EAH) (Na(+) <135 mmol·L(-1)) and hypernatremia (Na(+) >145 mmol·L(-1)) and hydration status during a multistage ultramarathon. METHODS: This study involved a prospective observational cohort study of runners competing in a 250-km (155-mile) multistage ultramarathon (in the Jordan, Atacama, or Gobi Desert)...
August 3, 2017: Wilderness & Environmental Medicine
https://www.readbyqxmd.com/read/28771063/reliability-of-urinary-dehydration-markers-among-elite-youth-boxers
#8
Damir Zubac, Drazen Cular, Uros Marusic
PURPOSE: The aim of the present study was to determine the reliability and diagnostic accuracy of non-invasive urinary dehydration markers, in field-based settings on a day-to-day basis in elite adolescent amateur boxers. METHODS: Sixty-nine urine samples were collected on a day-to-day basis, from twenty-three athletes (17.3±1.9 y), during their weigh-stable phase and analyzed by field and laboratory measures of hydration status. Urine osmolality (UOSM), urine specific gravity (USG), total protein content (TPC) and body-mass (BM) stability were evaluated to determine fluid balance and hydration status...
August 3, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28751054/the-role-of-bioelectrical-impedance-analysis-nt-probnp-and-inferior-vena-cava-sonography-in-the-assessment-of-body-fluid-volume-in-children-with-nephrotic-syndrome
#9
Hulya Nalcacioglu, Ozan Ozkaya, Kemal Baysal, Hassan Candas Kafali, Bahattin Avci, Demet Tekcan, Gurkan Genc
BACKGROUND: Assessment of volume status and differentiating "underfill" and "overfill" edema is essential in the management of patients with nephrotic syndrome (NS). OBJECTIVES: Our aim was to evaluate the volume status of NS patients by using different methods and to investigate the utility of bioelectrical impedance analysis (BIA) in children with NS. METHODS: The hydration status of 19 patients with NS (before treatment of NS and at remission) and 25 healthy controls was assessed by multifrequency BIA, serum N-terminal-pro-brain natriuretic peptide (NT-proBNP) levels, inferior vena cava (IVC) diameter, left atrium diameter (LAD) and vasoactive hormones...
July 24, 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/28746159/percutaneous-endoscopic-gastrostomy-confirming-the-clinical-benefits-far-beyond-anthropometry
#10
Gonçalves T Cúrdia, Carla Marinho, Joana Magalhães, Mara Barbosa, Sara Monteiro, Francisca Dias de Castro, Pedro Boal Carvalho, Bruno Rosa, Lília Figueiredo, José Cotter
OBJECTIVES: The real benefit of gastrostomy is still a matter of debate. We aimed to prospectively evaluate the global impact of percutaneous endoscopic gastrostomy (PEG) in patients followed at a specialized multidisciplinary clinic, namely, the impact on the need for healthcare resources, anthropometric measures, pressure ulcers prevention and healing, and nutritional and hydration status. PATIENTS AND METHODS: From the 201 patients who underwent PEG between May 2011 and September 2014, 60 were included in a prospective study...
September 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28743156/components-of-mesophyll-resistance-and-their-environmental-responses-a-theoretical-modeling-analysis
#11
Yi Xiao, Xin-Guang Zhu
Mesophyll resistance (rm ), together with stomatal resistance and biochemical limitations, are recognized as three critical factors limiting leaf photosynthesis. Contrary to the expectation of being a constant, rm not only varies with light and CO2 conditions but also shows different responses among species. To elucidate the mechanistic basis of these responses, we derived an analytical model of rm , which incorporates various anatomical and biochemical factors including permeabilities of cell wall and chloroplast envelope to CO2 and HCO3(-) , carbonic anhydrase activities in cytosol and stroma, Rubisco activities, and relative location of mitochondria and chloroplast...
July 25, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28739345/urine-specific-gravity-based-hydration-prevents-stroke-in-evolution-in-patients-with-acute-ischemic-stroke
#12
Chung-Jen Lin, Yen-Yun Tsai, Kuang-Yu Hsiao, Yuan-Hsiung Tsai, Ming-Hsueh Lee, Yen-Chu Huang, Meng Lee, Jen-Tsung Yang, Cheng-Ting Hsiao, Leng-Chieh Lin
BACKGROUND: Early neurological deterioration after ischemic stroke (stroke-in-evolution [SIE]) is associated with poorer outcomes. Previous studies have demonstrated a link between hydration status and the development of SIE. In this study, we tested the hypothesis that rehydration therapy, administered on the basis of urine-specific gravity (USG) findings, might reduce the development of SIE. METHODS: We conducted a single-arm prospective study of patients with acute ischemic stroke with historical controls...
September 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28737585/biomarkers-in-sports-and-exercise-tracking-health-performance-and-recovery-in-athletes
#13
Elaine C Lee, Maren S Fragala, Stavros A Kavouras, Robin M Queen, J Luke Pryor, Douglas J Casa
Biomarker discovery and validation is a critical aim of the medical and scientific community. Research into exercise and diet-related biomarkers aims to improve health, performance, and recovery in military personnel, athletes, and lay-persons. Exercise physiology research has identified individual biomarkers for assessing health, performance, and recovery during exercise training. However, there are few recommendations for biomarker panels for tracking changes in individuals participating in physical activity and exercise training programs...
July 19, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28736562/brain-natriuretic-peptide-is-a-marker-of-fluid-overload-in-incident-hemodialysis-patients
#14
Charles Chazot, Margaux Rozes, Cyril Vo-Van, Patrik Deleaval, Jean-Marc Hurot, Christie Lorriaux, Brice Mayor, Eric Zaoui, Guillaume Jean
BACKGROUND/AIMS: Brain natriuretic peptide (BNP) is secreted by cardiomyocytes under stretch condition. High blood levels are associated with decreased patient survival in heart failure patients and in hemodialysis (HD) patients. We report the monthly BNP change in the first months of HD therapy in incident patients and its relationship with fluid removal and cardiac history (CH). METHODS: All patients starting HD therapy in our unit from May 2008 to December 2012 were retrospectively analyzed...
June 2017: Cardiorenal Medicine
https://www.readbyqxmd.com/read/28727528/racial-ethnic-and-socioeconomic-disparities-in-hydration-status-among-us-adults-and-the-role-of-tap-water-and-other-beverage-intake
#15
Carolyn J Brooks, Steven L Gortmaker, Michael W Long, Angie L Cradock, Erica L Kenney
OBJECTIVES: To evaluate whether differences in tap water and other beverage intake explain differences in inadequate hydration among US adults by race/ethnicity and income. METHODS: We estimated the prevalence of inadequate hydration (urine osmolality ≥ 800 mOsm/kg) by race/ethnicity and income of 8258 participants aged 20 to 74 years in the 2009 to 2012 National Health and Nutrition Examination Survey. Using multivariable regression models, we estimated associations between demographic variables, tap water intake, and inadequate hydration...
September 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28721152/clinical-syntax-score-a-good-predictor-for-renal-artery-stenosis-in-acute-myocardial-infarction-patients-analysis-from-the-ren-acs-trial
#16
Alexandru Burlacu, Dimitrie Siriopol, Ionut Nistor, Luminita Voroneanu, Igor Nedelciuc, Cristian Statescu, Adrian Covic
INTRODUCTION: In ST-elevation myocardial infarction (STEMI) patients, multisite artery disease represents a serious issue influencing evolution, outcomes and prognosis. We evaluated for the first time the power of the Myocardial Infarction SYNTAX Score (MI SS) and Clinical SYNTAX Score (MI CSS) as predictors for renal artery stenosis (RAS) in STEMI. We also stratified the study population according to the two scores, and identified the variables correlated with the higher score. MATERIAL AND METHODS: We used data from the REN-ACS study, which included 181 consecutive patients prospectively investigated for presence of RAS (through renal angiography), arterial stiffness (carotid-femoral pulse wave velocity, cf-PWV) and hydration status (bioimpedance)...
June 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28713516/sequential-compression-pump-effect-on-hypotension-due-to-spinal-anesthesia-for-cesarean-section-a-double-blind-clinical-trial
#17
Fatemeh Javaherforoosh Zadeh, Mostafa Alqozat, Reza Akhond Zadeh
BACKGROUND: Spinal anesthesia (SA) is a standard technique for cesarean section. Hypotension presents an incident of 80-85% after SA in pregnant women. OBJECTIVE: To determine the effect of intermittent pneumatic compression of lower limbs on declining spinal anesthesia induced hypotension during cesarean section. METHODS: This double-blind clinical prospective study was conducted on 76 non-laboring parturient patients, aged 18-45 years, with the American Society of Anesthesiologist physical status I or II who were scheduled for elective cesarean section at Razi Hospital, Ahvaz, Iran from December 21, 2015 to January 20, 2016...
May 2017: Electronic Physician
https://www.readbyqxmd.com/read/28705163/a-comprehensive-intervention-following-the-clinical-pathway-of-eating-and-swallowing-disorder-in-the-elderly-with-dementia-historically-controlled-study
#18
Masahisa Arahata, Makoto Oura, Yuka Tomiyama, Naoe Morikawa, Hatsue Fujii, Shinji Minani, Yukihiro Shimizu
BACKGROUND: Eating problems in patients with advanced dementia are strongly associated with their deteriorating survival. Food and drink intake in people with dementia may be supported by specific interventions, but the effectiveness of such interventions is backed by almost no evidence. However, comprehensive geriatric assessment (CGA) might potentially clarify the etiology of decreased oral intake in people with dementia; thus improving their clinical outcomes. METHODS: This study was a single-arm, non-randomized trial that included historically controlled patients for comparison...
July 14, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28679563/quality-improvement-initiative-to-increase-the-use-of-nasogastric-hydration-in-infants-with-bronchiolitis
#19
Mythili Srinivasan, Cassandra Pruitt, Erin Casey, Keerat Dhaliwal, Cori DeSanto, Richard Markus, Ayelet Rosen
BACKGROUND AND OBJECTIVES: Intravenous (IV) hydration is used primarily in children with bronchiolitis at our institution. Because nasogastric (NG) hydration can provide better nutrition, the goal of our quality improvement (QI) initiative was to increase the rate of NG hydration in eligible children 1 to 23 months old with bronchiolitis by 20% over 6 months. METHODS: We used Plan-Do-Study-Act cycles to increase the use of NG hydration in eligible children. Interventions included educational and system-based changes and sharing parental feedback with providers...
August 2017: Hospital Pediatrics
https://www.readbyqxmd.com/read/28669550/sulfasalazine-induced-crystalluria-causing-severe-acute%C3%A2-kidney%C3%A2-injury
#20
Michael Durando, Hannah Tiu, James Soo Kim
Sulfasalazine is an anti-inflammatory agent commonly used in the treatment of autoimmune conditions such as inflammatory bowel disease and rheumatoid arthritis. Sulfasalazine is converted by gut bacteria into sulfapyridine and the clinically active metabolite 5-aminosalicylic acid (5-ASA), and its efficacy is proportional to the 5-ASA concentration within the intestinal lumen. Renal complications are commonly reported for the chemically similar 5-ASA derivative mesalamine, but are not well-known side effects of sulfasalazine therapy...
June 29, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
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