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https://www.readbyqxmd.com/read/29324864/safety-of-single-low-dose-primaquine-in-glucose-6-phosphate-dehydrogenase-deficient-falciparum-infected-african-males-two-open-label-randomized-safety-trials
#1
Guido J H Bastiaens, Alfred B Tiono, Joseph Okebe, Helmi E Pett, Sam A Coulibaly, Bronner P Gonçalves, Muna Affara, Alphonse Ouédraogo, Edith C Bougouma, Guillaume S Sanou, Issa Nébié, John Bradley, Kjerstin H W Lanke, Mikko Niemi, Sodiomon B Sirima, Umberto d'Alessandro, Teun Bousema, Chris Drakeley
BACKGROUND: Primaquine (PQ) actively clears mature Plasmodium falciparum gametocytes but in glucose-6-phosphate dehydrogenase deficient (G6PDd) individuals can cause hemolysis. We assessed the safety of low-dose PQ in combination with artemether-lumefantrine (AL) or dihydroartemisinin-piperaquine (DP) in G6PDd African males with asymptomatic P. falciparum malaria. METHODS AND FINDINGS: In Burkina Faso, G6PDd adult males were randomized to treatment with AL alone (n = 10) or with PQ at 0...
2018: PloS One
https://www.readbyqxmd.com/read/29296203/the-pathogenesis-of-diclofenac-induced-immunoallergic-hepatitis-in-a-canine-model-of-liver-injury
#2
Saravanakumar Selvaraj, Jung-Hwa Oh, Reinhard Spanel, Florian Länger, Hyoung-Yun Han, Eun-Hee Lee, Seokjoo Yoon, Jürgen Borlak
Hypersensitivity to non-steroidal anti-inflammatory drugs is a common adverse drug reaction and may result in serious inflammatory reactions of the liver. To investigate mechanism of immunoallergic hepatitis beagle dogs were given 1 or 3 mg/kg/day (HD) oral diclofenac for 28 days. HD diclofenac treatment caused liver function test abnormalities, reduced haematocrit and haemoglobin but induced reticulocyte, WBC, platelet, neutrophil and eosinophil counts. Histopathology evidenced hepatic steatosis and glycogen depletion, apoptosis, acute lobular hepatitis, granulomas and mastocytosis...
December 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/29295661/neonatal-hyperbilirubinemia-secondary-to-combined-anti-e-and-anti-c-isoimmunisation-a-literature-review
#3
Deepak Sharma, Nazanin Farahbakhsh
A term male infant was admitted at 48 hours of postnatal life to the neonatal unit for jaundice. The investigation showed total serum bilirubin (TSB) of 17.1 mg/dl, haemoglobin of 11 g/dl, reticulocyte count of 9.5% and peripheral smear was suggestive of macrocytic, normochromic red blood cell (RBC) with target cells and multiple spherocytes with occasional nucleated RBC. The infant's blood group was B positive. Direct antiglobulin test was strongly positive by gel method (3+). Mother's blood group was B positive and indirect antiglobulin test was positive when tested postnatally...
January 2, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29261547/intravenous-iron-for-treatment-of-anemia-in-the-3-perisurgical-phases-a-review-and-analysis-of-the-current-literature
#4
Frank Peters, Ines Ellermann, Andrea U Steinbicker
Anemia is a common comorbidity throughout the entire hospital stay. Treatment options include intravenous (IV) iron, oral iron, erythropoietin, and red blood cell (RBC) transfusions. IV iron has gained in popularity with the implementation of patient blood management programs. A variety of studies have been performed to investigate the use of IV iron in preoperative, perioperative, and postoperative settings. An objective review on these studies has yet to be performed. The current narrative review provides an overview of trials investigating IV iron use in the preoperative, perioperative, and postoperative settings...
December 19, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29251012/enhancing-effect-of-hydroxyurea-on-hb-f-in-sickle-cell-disease-ten-year-egyptian-experience
#5
Ilham Youssry, Amina Abdel-Salam, Rania Ismail, Rayan Bou-Fakhredin, Rania Mohamed Samy, Fatma Ezz El-Deen, Ali T Taher
Patients with sickle cell disease experience hemolytic anemia and vaso-occlusions that result in pain, organ injury, and premature mortality. Several prospective studies have verified the efficacy and tolerability of hydroxyurea (HU), and demonstrated its efficacy in reducing painful vaso-occlusive crises (VOCs) in addition to its ability to increase Hb F levels. We aimed to evaluate the long-term effects of HU therapy on Hb F and assess its long term efficacy and safety in sickle cell disease patients. A retrospective study on 60 sickle cell disease patients was conducted...
December 18, 2017: Hemoglobin
https://www.readbyqxmd.com/read/29240037/fetal-anemia-causing-hydrops-fetalis-from-an-alpha-globin-variant-homozygous-hemoglobin-constant-spring
#6
Patcharee Komvilaisak, Ratana Komvilaisak, Arunee Jetsrisuparb, Surapon Wiangnon, Junya Jirapradittha, Pakaphan Kiatchoosakun, Goonapa Fucharoen
BACKGROUND: Fetal anemia is often assumed to be due to red cell alloimmunization and Parvovirus infection, and can lead to hydrops fetalis and death in utero. Other causes, such as mutations of hemoglobin alpha, are less commonly considered. METHODS: We report 7 cases with fetal anemia causing hydrops fetalis. Serial Doppler ultrasound for measurement peak systolic velocity (PSV) of middle cerebral artery (MCA) was used for evaluation of fetal anemia. Fetal anemia is suggested if the MCA/PSV ratio is >1...
December 12, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29226507/age-is-the-only-predictor-of-small-decrease-in-lung-function-in-children-with-sickle-cell-anemia
#7
Shaina M Willen, Robyn Cohen, Mark Rodeghier, Fenella Kirkham, Susan S Redline, Carol Rosen, Jane Kirkby, Michael R DeBaun
The longitudinal pattern of lung function in children with sickle cell anemia (SCA) has shown a decrease in FEV1 % predicted, a risk factor for death in adults with SCA, but predictors for this decline are poorly characterized. In a prospective longitudinal multi-center cohort of children with SCA, we tested the hypotheses that: 1) FEV1 % predicted declines over time; and 2) SCA-specific characteristics and therapy predict this decline. At three clinical centers, children with SCA (HbSS or HbSβ0 thalassemia), unselected for respiratory disease, were enrolled in the Sleep and Asthma Cohort (SAC) study...
December 11, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/29202601/hematological-parameters-outperform-plasma-markers-in-predicting-long-term-mortality-after-coronary-angiography
#8
Crystel M Gijsberts, Hester M den Ruijter, Dominique P V de Kleijn, Albert Huisman, Maarten Ten Berg, Mark de Groot, Richard H A van Wijk, Folkert W Asselbergs, Michiel Voskuil, Gerard Pasterkamp, Wouter W van Solinge, Imo E Hoefer
High-sensitivity troponin I (hsTnI) and N-terminal pro-brain natriuretic peptide (NT-pro-BNP) are predictors of coronary artery disease. Recently, routine hematological parameters emerged as mortality predictors. We examined the predictive value of hematological parameters (from the Utrecht Patient Oriented Database) and hsTnI and NT-pro-BNP for mortality in a coronary angiography population (Utrecht Coronary Biobank n = 1913). Using Cox regression, receiver operating characteristics, integrated discrimination improvement (IDI), and continuous net reclassification improvement (cNRI) analysis, we compared the predictive properties of hematological parameters with hsTnI and NT-pro-BNP for mortality...
January 1, 2017: Angiology
https://www.readbyqxmd.com/read/29193867/improved-safety-margin-for-embryotoxicity-in-rats-for-the-new-endoperoxide-artefenomel-oz439-as-compared-to-artesunate
#9
Robert L Clark, Tammye L Edwards, Monica Longo, Joseph Kinney, Don K Walker, Jon Rhodes, Sally A Clode, Thomas Rückle, Timothy Wells, Nicole Andenmatten, Anna Christine Huber
BACKGROUND: Combination medicines including an artemisinin are the mainstay of antimalarial therapy. Artemisinins are potent embryotoxicants in animal species due to their trioxane moiety. METHODS: As part of its development, the new synthetic trioxolane antimalarial artefenomel (OZ439) was tested in rat whole embryo culture and in rat embryo-fetal toxicity studies with dosing throughout organogenesis or with a single dose on Gestational Day (GD) 12. The single-dose studies included groups treated with artesunate to allow a direct comparison of the embryotoxicity of the two antimalarials and included toxicokinetics hematology and histological examination of embryos...
November 28, 2017: Birth Defects Research
https://www.readbyqxmd.com/read/29172918/diagnostic-performances-of-manual-and-automated-reticulocyte-parameters-in-anaemic-cats
#10
Saverio Paltrinieri, Marco Fossati, Valentina Menaballi
Objectives The objective of this study was to evaluate the diagnostic performances of manual and instrumental measurement of reticulocyte percentage (Ret%), reticulocyte number (Ret#) and reticulocyte production index (RPI) to differentiate regenerative anaemia (RA) from non-regenerative anaemia (NRA) in cats. Methods Data from 106 blood samples from anaemic cats with manual counts (n = 74; 68 NRA, six RA) or instrumental counts of reticulocytes (n = 32; 25 NRA, seven RA) collected between 1995 and 2013 were retrospectively analysed...
March 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/29152309/reticulocytosis-in-screen-printing-workers-exposed-to-2-butoxyethanol-and-2-ethoxyethanol
#11
Seng-Ho Song, Seong-Kyu Kang, Won-Jun Choi, Kyeong Min Kwak, Dong-Hoon Lee, Dyuk-Yoon Kang, Sang-Ha Lee
Background: Studies on the hematologic toxicity of ethylene glycol ethers in humans are limited. Therefore, the aim of this study was to examine the association between exposure to solvents (containing 2-butoxyethanol and 2-ethoxyethanol) and hematological effects. Methods: Thirty-four screen-printing workers who were exposed to 2-butoxyethanol and 2-ethoxyethanol and 37 non-exposed clerical workers were selected using data from the health care facilities that provided regular health screening services...
2017: Annals of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/29150907/sensitivity-of-doping-biomarkers-after-administration-of-a-single-dose-testosterone-gel
#12
Jenny Mullen, Annica Börjesson, Oscar Hopcraft, Jenny J Schulze, Magnus Ericsson, Anders Rane, Mikael Lehtihet, Lena Ekström
Micro-doping with testosterone (T) is challenging to detect with the current doping tests. Today, the methods available to detect T are longitudinally monitoring of urine biomarkers in the Athlete Biological Passport (ABP) and measuring the isotopic composition of excreted biomarkers to distinguish the origin of the molecule. In this study, we investigated the detectability of a single dose of 100 mg T gel in 8 healthy male subjects. We also studied which biomarkers were most sensitive to T gel administration, including blood biomarkers...
November 18, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/29138535/comparable-pharmacokinetics-and-pharmacodynamics-of-two-epoetin-alfa-formulations-eporon-%C3%A2-and-eprex-%C3%A2-following-a-single-subcutaneous-administration-in-healthy-male-volunteers
#13
Sumin Yoon, Su-Jin Rhee, Sun Ju Heo, Tae Young Oh, Seo Hyun Yoon, Joo-Youn Cho, SeungHwan Lee, Kyung-Sang Yu
Purpose: This study aimed to assess and compare the pharmacokinetic (PK) and pharmacodynamic (PD) properties following a single subcutaneous injection of epoetin alfa (Eporon(®)) with those of the comparator (Eprex(®)) in healthy male subjects. Subjects and methods: A randomized, double-blind, two-sequence, crossover study was conducted. Subjects were randomly assigned to receive a single dose, that is, 4,000 IU, of the test or comparator epoetin alfa. After 4 weeks, all subjects received the alternative formulation...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/29138283/frequency-of-and-reasons-for-paroxysmal-nocturnal-haemoglobinuria-screening-in-patients-with-unexplained-anaemia
#14
James T England, Bakul Dalal, Heather A Leitch
Referral to hematology for anemia is common. In paroxysmal nocturnal hemoglobinuria (PNH), cells deficient in the glycosylphosphatidyl inositol (GPI) anchor are lysed by complement. Eculizumab improves overall survival and quality of life while reducing hemolysis, transfusion requirements, and thrombosis. We evaluated the frequency of screening for PNH in patients with unexplained anemia. Key clinical features, laboratory data, and investigations were recorded for patients referred for anemia since 2010, without a specific cause found...
November 14, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29133160/the-changes-of-red-blood-cell-viscoelasticity-and-sports-anemia-in-male-24-hr-ultra-marathoners
#15
Che-Hung Liu, Yen-Fang Tseng, Jiun-I Lai, Yin-Quan Chen, Shih-Hao Wang, Wei-Fong Kao, Li-Hua Li, Yu-Hui Chiu, Chorng-Kuang How, Wen-Han Chang
BACKGROUND: In endurance sports, stress, dehydration and release of chemical factors have been associated with red blood cell (RBC) alterations of structure and function, which may contribute to sports anemia, a well-observed phenomenon during long-distance running. Until now, the investigation of the changes of viscoelastic properties of RBC membrane, a decisive factor of RBC deformability to avoid hemolysis, is lacking, especially in an Oriental population. METHODS: nineteen runners were prospectively recruited into our study...
November 10, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29130008/a-rare-association-of-autoimmune-hemolytic-anemia-with-gastric-adenocarcinoma
#16
Kavita Agrawal, Flores Alfonso
An 80-year-old male presented with dyspnea on exertion for at least two months. He also complained of progressive dysphagia and weight loss of 35 pounds over the last eight months. Initial blood tests showed hemoglobin of 6.1 g/dl, reticulocytes count of 19.7%, total bilirubin of 3.2 mg/dl, lactate dehydrogenase of 600 U/L, and haptoglobin of less than 8 mg/dl, and direct Coombs test was positive for warm immunoglobulin G. The impression was autoimmune hemolytic anemia (AIHA). The evaluation of dysphagia with esophagogastroduodenoscopy revealed a single irregular 4 cm malignant appearing ulcerated mass at the incisura angularis of the stomach...
2017: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/29121941/the-nutritional-status-affects-the-complete-blood-count-of-goats-experimentally-infected-with-haemonchus-contortus
#17
S Cériac, C Jayles, R Arquet, D Feuillet, Y Félicité, H Archimède, J-C Bambou
BACKGROUND: Gastrointestinal nematode (GIN) remains the most important pathogenic constraint of small ruminant production worldwide. The improvement of the host immune response against GIN though breeding for improved animal resistance, vaccination and nutritional supplementation appear as very promising methods. The objective of this study was to investigate the effect of four nutritional status differing in protein and energy levels (Hay: 5.1 MJ/Kg of dry matter (DM) and 7.6% of crude protein (CP), Ban: 8...
November 9, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29114966/a-cross-sectional-clinic-based-study-exploring-whether-variants-within-the-glutathione-s-transferase-haptoglobin-and-uridine-5-diphosphoglucuronosyl-transferase-1a1-genes-are-associated-with-inter-individual-phenotypic-variation-in-sickle-cell-anaemia-in-jamaica
#18
Sharon Howell, Kwesi Marshall, Marvin Reid, Norma McFarlane-Anderson, Colin McKenzie
OBJECTIVES: To explore putative associations between specific variants in either the glutathione S-transferase (GST), haptoglobin (HP), or uridine 5'-diphospho-glucuronosyltransferase 1A1 (UGT1A1) genes and clinically important phenotypes in sickle cell anaemia (HbSS). METHODS: Three hundred and seventy-one HbSS participants were recruited from the Sickle Cell Clinic of the Sickle Cell Unit at the University of the West Indies, Kingston, Jamaica. Markers within four GST superfamily genes, the HP gene, and the UGT1A1 gene were analyzed using PCR-based assays...
November 7, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/29095285/upper-and-lower-gastrointestinal-endoscopies-in-patients-over-85-years-of-age-risk-benefit-evaluation-of-a-longitudinal-cohort
#19
Raphaël Clere-Jehl, Mickael Schaeffer, Thomas Vogel, Michele Kiesmann, Jean-Louis Pasquali, Emmanuel Andres, Anne Bourgarit, Bernard Goichot
After age 85, upper and lower gastrointestinal (GI) endoscopy may be indicated in 5% to 10% of inpatients, but the risk-benefit ratio is unknown. We studied patients older than 85 years undergoing upper and lower GI endoscopy.We analyzed a retrospective cohort of inpatients older than 85 years between 2004 and 2012, all explored by upper and complete lower GI endoscopy. Initial indications, including iron deficiency anemia (IDA), other anemias, GI bleeding, weight loss, and GI symptoms, were noted, as were endoscopy or anesthesia complications, immediate endoscopic diagnosis, and the ability to modify the patients' therapeutics...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29092670/protective-effects-of-chrysin-on-sub-acute-diazinon-induced-biochemical-hematological-histopathological-alterations-and-genotoxicity-indices-in-male-balb-c-mice
#20
Majid Zeinali, Naser Tayebi Meybodi, Seyed Abdolrahim Rezaee, Houshang Rafatpanah, Hossein Hosseinzadeh
Chrysin (CH) is a natural flavone which possesses antioxidant, anti-cancer, and anti-inflammatory properties. The aim of the present study was to investigate the effects of CH on biochemical parameters, histopathological changes, and genotoxicity and hematological indices in diazinon (DZN)-induced toxicity in BALB/c mice. We induced sub-acute toxicity in mice using DZN (20 mg/kg/day) and treated them with CH at the 12.5, 25, and 50 mg/kg/day five times/week in 28 days. In our study, DZN increased lipid profile and liver function tests (LFTs) and creatinine (Cr) but decreased the red blood cell acetylcholinesterase (RBC-AChE) activity and glucose level...
November 2, 2017: Drug and Chemical Toxicology
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