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https://www.readbyqxmd.com/read/29143967/thirteen-week-toxicity-study-of-dietary-l-tryptophan-in-rats-with-a-recovery-period-of-5%C3%A2-weeks
#1
Yusuke Shibui, Hideki Matsumoto, Yoko Masuzawa, Takumi Ohishi, Tsutomu Fukuwatari, Katsumi Shibata, Ryosei Sakai
Although l-tryptophan is nutritionally important and widely used in medical applications, toxicity data for its oral administration are limited. The purpose of this study was to evaluate the potential toxicity of an experimental diet containing added l-tryptophan at doses of 0 (basal diet), 1.25%, 2.5% and 5.0% when administered to Sprague-Dawley rats for 13 weeks. There were no toxicological changes in clinical signs, ophthalmology, urinalysis, hematology, necropsy, organ weight and histopathology between control rats and those fed additional l-tryptophan...
November 16, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/29140230/effect-of-tenofovor-diproxil-fumarate-on-renal-function-and-urinalysis-abnormalities-in-hiv-infected-cameroonian-adults
#2
Carlos Fritzsche, Jens Rudolph, Barbara Huenten-Kirsch, Christoph J Hemmer, Robert Tekoh, Pius B Kuwoh, Aenne Glass, Emil C Reisinger
In Sub-Saharan Africa, the prevalence of HIV-associated kidney diseases is as high as 53.3%. Combined antiretroviral treatment (cART), especially tenofovir disoproxil fumarate (TDF), is known to be nephrotoxic. We undertook this cross-sectional study conducted in 2015 at the Regional Hospital Limbe in the Southwest Region of Cameroon to determine the prevalence of renal dysfunction and its correlates among treatment-experienced HIV-infected patients on TDF and treatment-naïve patients. In April 2016, a follow-up was performed on those who had been treatment-naïve and were started on cART after enrolment in the study...
November 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29139142/safety-of-orally-administered-usp-compliant-levothyroxine-sodium-tablets-in-dogs
#3
J E Hare, C M K Morrow, J Caldwell, W E Lloyd
The safety of synthetic levothyroxine sodium tablets (Thyro-Tabs® Canine; LLOYD, Inc.) in dogs was evaluated in a randomized, sham-dose controlled, parallel-group study. Young, healthy, euthyroid Beagle dogs were randomized into four groups (four females and four males per group) and received single daily doses of 0×, 2× (0.044 mg/kg), 6× (0.132 mg/kg), or 10× (0.22 mg/kg) the labeled starting dose of 0.022 mg kg(-1)  day(-1) for 182 days. Every 2 weeks, physical examinations, electrocardiology examinations, and sample collections for thyroid panel, hematology, serum biochemistry, coagulation panel, and urinalysis were performed...
November 15, 2017: Journal of Veterinary Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29135902/should-the-absence-of-urinary-nitrite-influence-empiric-antibiotics-for-urinary-tract-infection-in-young-children
#4
Pradip P Chaudhari, Michael C Monuteaux, Richard G Bachur
OBJECTIVES: Screening for urinary tract infection (UTI) includes urinary nitrite testing by dipstick urinalysis. Gram-negative enteric organisms produce urinary nitrite and represent the most common uropathogens. Enterococcus, a less common uropathogen, does not produce nitrite and has a unique antibiotic resistance pattern. Whether to adjust empiric antibiotics in the absence of urinary nitrite has not been established. Our primary objective was to determine prevalence of enterococcal UTI among young children with a nitrite negative urinalysis...
November 14, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29131592/a-paper-plastic-hybrid-microfluidic-device-for-smartphone-based-colorimetric-analysis-of-urine
#5
M Jalal Uddin, Gyeong Jun Jin, Joon Sub Shim
In this work, a disposable paper-plastic hybrid microfluidic lab-on-a-chip (LOC) has been developed and successfully applied for the colorimetric measurement of urine by the smartphone-based optical platform using an "UrineAnalysis" Android app. The developed device was cost-effectively implemented as a stand-alone hybrid LOC by incorporating the paper-based conventional reagent test strip inside the plastic-based LOC microchannel. The LOC device quantitatively investigated the small volume (40 µL) of urine analytes for the colorimetric reaction of glucose, protein, pH and red blood cell (RBC) in integration with the finger-actuating micro pump...
November 13, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29130572/ischemic-optic-neuropathy-in-a-dog-with-acute-bilateral-blindness-and-primary-systemic-hypertension
#6
L Mari, R Stavinohova, E Dominguez, J Premont, J Oliver, L De Risio
A 6-year-old neutered female Jack Russell terrier was investigated for sudden onset prechiasmatic bilateral blindness, left circling, reduced proprioception in the right pelvic limb and right facial allodynia. Electroretinography was normal. Magnetic resonance imaging (MRI) examination revealed that the right optic nerve and the optic chiasm were hyperintense on diffusion weighted imaging and hypointense on apparent diffusion coefficient map consistent with ischemic optic neuropathy. A concurrent lacunar infarct was detected in the left rostral colliculus...
November 12, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29128573/26-week-oral-chronic-toxicity-study-of-geniposide-in-rats
#7
Jingzhuo Tian, Yan Yi, Yong Zhao, Chunying Li, Yushi Zhang, Lianmei Wang, Chen Pan, Jiayin Han, Guiqin Li, Xiaolong Li, Jing Liu, Nuo Deng, Yue Gao, Aihua Liang
ETHNOPHARMACOLOGICAL RELEVANCE: Geniposide, the major active constituent of Fructus Gardeniae (FG), has been widely used to treat the various diseases in China. AIM OF THE STUDY: The chronic toxicity study was conducted to investigate the safety of Geniposide. MATERIALS AND METHODS: Sprague-Dawley (SD) rats of both sexes were administered orally Geniposide 25, 50, 100mg/kg by gavage once daily at volume of 10mL/kg for 26 weeks repeated. Endpoints evaluated included clinical observations, food consumption, body weights, blood biochemistry, hematology, and histomorphological observation...
November 8, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29111381/baseline-lower-urinary-tract-symptoms-in-patients-enrolled-in-the-symptoms-of-lower-urinary-tract-dysfunction-research-network-lurn-a-prospective-observational-cohort-study
#8
Anne P Cameron, Christina Lewicky-Gaupp, Abigail R Smith, Brian T Helfand, John L Gore, J Quentin Clemens, Claire C Yang, Nazema Y Siddiqui, H Henry Lai, James W Griffith, Victor P Andreev, Gang Liu, Kevin Weinfurt, Cindy L Amundsen, Catherine S Bradley, John W Kusek, Ziya Kirkali
PURPOSE: To describe and compare the frequency and type of lower urinary tract symptoms (LUTS) reported by men and women at the time they were recruited from urology and urogynecology clinics into the Symptoms of Lower Urinary Tract Dysfunction Research Network (LURN) multi-center, prospective, observational cohort study. MATERIALS AND METHODS: Six research sites enrolled treatment-seeking men and women who reported any LUTS at a frequency more than "rarely" during the past month on the LUTS tool...
October 27, 2017: Journal of Urology
https://www.readbyqxmd.com/read/29108849/enzymatic-extract-from-ecklonia-cava-acute-and-subchronic-oral-toxicity-and-genotoxicity-studies
#9
Jun-Won Yun, Seung-Hyun Kim, Yun-Soon Kim, Ji-Ran You, Eun-Young Cho, Jung-Hee Yoon, Euna Kwon, In-Jue Yun, Je-Hun Oh, Ja-June Jang, Jin-Sung Park, Jeong-Hwan Che, Byeong-Cheol Kang
Ecklonia cava (EC) is known to have antioxidant, anti-inflammatory, antidiabetic, and anticancer properties. Despite its wide use and beneficial properties, comprehensive toxicological information regarding EC extract is currently limited. Therefore, the purpose of this study was to investigate acute toxicity, subchronic toxicity, and genotoxicity of enzymatic EC extract according to test guidelines published by Organization for Economic Cooperation and Development. The acute oral LD50 values of this EC extract administered to rats and dogs were estimated to be more than 3000 mg/kg BW...
November 3, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/29107143/a-thirteen-week-oral-toxicity-study-of-so-ochim-tang-gami-bang-a-traditional-korean-medicine-in-sprague-dawley-rats
#10
Mi Ju Lee, Myoung Jun Kim, Yang-Chun Park, Jeong June Choi, Mirim Jin, In Chul Jung
ETHNOPHARMACOLOGICAL RELEVANCE: So-ochim-tang-gamibang (SOCG) is a traditional Korean medicine formulated to control internal energy flow (Qi) and has been prescribed to improve stress-induced depressive disorders. AIM OF THE STUDY: SOCG has been used in clinical practice for the last two decades and its efficacy against stress-induced thoracic pain has been suggested. Although SOCG has been used as an herbal formula in Korean medicine, its toxicity has not yet been evaluated...
October 26, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29107038/routine-urine-testing-at-the-spinal-cord-injury-annual-evaluation-leads-to-unnecessary-antibiotic-use-a-pilot-study-and-future-directions
#11
Felicia Skelton, Larissa Grigoryan, Sally Ann Holmes, Ivy Oiyee Poon, Barbara Trautner
OBJECTIVE: To measure the prevalence of ASB in persons with spinal cord injury (SCI) at the time of their annual examination, and examine the impact on urine testing during the annual examination on subsequent antibiotic use. DESIGN: retrospective cohort study SETTING: a major Veterans Health Administration SCI center PARTICIPANTS: Veterans with SCI seen for an outpatient annual evaluation in 2012 or 2013 (n=393) MAIN OUTCOME MEASURE: antibiotic use for bacteriuria within seven days of the annual evaluation encounter RESULTS: Of the 327 clinic visits that met inclusion criteria, of which 249 had a urine culture performed...
October 26, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29091946/maternal-urogenital-schistosomiasis-monitoring-disease-morbidity-by-simple-reagent-strips
#12
Oyetunde T Oyeyemi, Alexander B Odaibo
BACKGROUND: Urine analysis is one of the recommended antenatal guidelines for early diagnosis of pregnancy-associated complications. While in practice, urine analysis by dipstick had been used to provide useful information on other urinary tract infections, its applications for early detection of urogenital schistosomiasis in pregnant women is often times not given due attention in most endemic areas. Our study therefore assessed the performance of some common urinalysis parameters in the diagnosis of maternal urogenital schistosomiasis in endemic rural communities of Nigeria...
2017: PloS One
https://www.readbyqxmd.com/read/29090653/tuberculous-pyelonephritis-in-children-three-case-reports
#13
Nimisha Arora, Abhijeet Saha, Manpreet Kaur
Tuberculous pyelonephritis is rare in children; three case reports are presented. Case 1 was an 11-year-old girl with a previous history of pulmonary tuberculosis who presented with flank pain and fever for 10 days. An ultrasound suggested focal pyelonephritis, and a contrast-enhanced computed tomography (CECT) scan demonstrated acute focal pyelonephritis and a perinephric collection. Mycobacterium tuberculosis was cultured in the urine. She responded well to anti-tuberculous treatment (ATT). Case 2 was a 13-year-old boy who presented with fever, haematuria, burning micturition, proteinuria (3+) and cervical lymphadenopathy...
November 1, 2017: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/29090008/automated-flow-cytometry-an-alternative-to-urine-culture-in-a-routine-clinical-microbiology-laboratory
#14
REVIEW
Patricia Mejuto, Mariam Luengo, Julio Díaz-Gigante
The urine culture is the "gold standard" for the diagnosis of urinary tract infections (UTI) but constitutes a significant workload in the routine clinical laboratory. Due to the high percentage of negative results, there is a need for an efficient screening method, with a high negative predictive value (NPV) that could reduce the number of unnecessary culture tests. With the purpose of improving the efficiency of laboratory work, several methods for screening out the culture-negative samples have been developed, but none of them has shown adequate sensitivity (SE) and high NPV...
2017: International Journal of Microbiology
https://www.readbyqxmd.com/read/29089043/safety-evaluation-of-lotilaner-in-dogs-after-oral-administration-as-flavoured-chewable-tablets-credelio%C3%A2
#15
Emmanuelle A Kuntz, Srinivas Kammanadiminti
BACKGROUND: Lotilaner (Credelio™, Elanco) is a novel isoxazoline that provides rapid speed of flea and tick knockdown which is sustained for at least 1 month following oral administration to dogs. The safety of lotilaner flavoured chewable tablets was investigated in a randomized, blinded, parallel-group design study in healthy Beagle puppies starting at 8 weeks of age. Lotilaner was administered orally once a month over 8 months at one, three and five times the upper level of the recommended dose range (of 20 to 43 mg/kg)...
November 1, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29084189/-multiorgan-malfunction-after-fontan-operation-in-adult-patients
#16
Monika Smaś-Suska, Paweł Iwaszczuk, Beata Róg, Piotr Weryński, Maria Olszowska, Piotr Podolec, Lidia Tomkiewicz-Pająk
Although 85% of patients with univentricular heart after Fontan procedure survive twenty years after operation, the procedure alone seems to be an inadequate treatment as a permanent clinical solution. Patients with a "Fontan physiology" additionally have to face a various extra-cardiac complications, including thyroid, liver and kidney dysfunction, which are not only potentially life-threatening, but also can potentiate the circulatory insufficiency. AIM: The aim of the study was to assess a multiorgan dysfunction in adult patients after Fontan operation in long term follow-up and compare to healthy controls...
October 23, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29073323/urinalysis-of-mmx-mesalazine-as-a-tool-to-monitor-5-asa-adherence-in-daily-ibd-practice
#17
Tessa E H Römkens, Rene Te Morsche, Wilbert Peters, David M Burger, Frank Hoentjen, Joost P H Drenth
Adherence is pivotal but challenging in ulcerative colitis (UC) treatment. Many methods to assess adherence are subjective or have limitations. (Nac-)5-aminosalicylic acid (5-ASA) urinalysis by High-Performance Liquid Chromatography (HPLC) seems feasible and reproducible in healthy volunteers. We performed a prospective study in adult quiescent UC patients to evaluate the feasibility of spot (Nac-)5-ASA urinalysis by HPLC to assess adherence in daily IBD care. Twenty-nine patients (51.7% male, mean age 52 ± 11 yrs) were included (median FU 9 months) and collected weekly spot urine samples...
October 26, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29071817/urinary-ykl-40-as-a-candidate-biomarker-for-febrile-urinary-tract-infection-in-young-children
#18
Hyun Hee Kim, Mi Hae Chung, Joong Hyun Bin, Kyoung Soon Cho, Juyoung Lee, Jin Soon Suh
BACKGROUND: Given that YKL-40 is a known marker of inflammation, we sought to determine its association with urinary tract infection (UTI) in febrile children. METHODS: In total, 44 children aged 0 to 24 months with febrile UTI and 35 age- and sex-matched controls with fever from other causes were enrolled in the study. ELISA was performed to determine the level of YKL-40 in urine collected from each child. RESULTS: The ratio of urinary YKL-40 to creatinine (Cr) was higher in the children with a UTI than in the controls (P<0...
January 2018: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/29071018/a-90-day-inhalation-toxicity-study-of-ethyl-formate-in-rats
#19
Mi Ju Lee, Hyeon-Yeong Kim
Ethyl formate, a volatile solvent, has insecticidal and fungicidal properties and is suggested as a potential fumigant for stored crop and fruit. Its primary contact route is through the respiratory tract; however, reliable repeated toxicological studies focusing on the inhalation route have not been published to date. Therefore, the present study was conducted to investigate the safety of a 90-day repeated inhalation exposure in rats. Forty male and 40 female rats were exposed to ethyl formate vapor via inhalation at concentrations of 0, 66, 330, and 1,320 ppm for 6 hr/day, 5 days a week for 13 weeks...
October 2017: Toxicological Research
https://www.readbyqxmd.com/read/29064366/spot-protein-creatinine-ratio-and-spot-albumin-creatinine-ratio-in-the-assessment-of-pre-eclampsia-a-diagnostic-accuracy-study-with-decision-analytic-model-based-economic-evaluation-and-acceptability-analysis
#20
Jason Waugh, Richard Hooper, Edmund Lamb, Stephen Robson, Andrew Shennan, Fiona Milne, Christopher Price, Shakila Thangaratinam, Vladislav Berdunov, Jenn Bingham
BACKGROUND: The National Institute for Health and Care Excellence (NICE) guidelines highlighted the need for 'large, high-quality prospective studies comparing the various methods of measuring proteinuria in women with new-onset hypertensive disorders during pregnancy'. OBJECTIVES: The primary objective was to evaluate quantitative assessments of spot protein-creatinine ratio (SPCR) and spot albumin-creatinine ratio (SACR) in predicting severe pre-eclampsia (PE) compared with 24-hour urine protein measurement...
October 2017: Health Technology Assessment: HTA
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