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https://www.readbyqxmd.com/read/29927358/probing-cellular-mechanics-with-acoustic-force-spectroscopy
#1
Raya Sorkin, Giulia Bergamaschi, Douwe Kamsma, Guy Brand, Elya Dekel, Yifat Ofir-Birin, Ariel Rudik, Marta Gironella, Felix Ritort, Neta Regev-Rudzki, Wouter Roos, Gijs J L Wuite
A large number of studies demonstrate that cell mechanics and pathology are intimately linked. In particular, Red Blood Cell (RBC) deformability is key to their function, and is dramatically altered in the time course of diseases such as anemia and malaria. Due to the physiological importance of cell mechanics, many methods for cell mechanical probing have been developed. While single cell methods provide very valuable information, they are often technically challenging and lack high data throughput needed to distinguish differences in heterogeneous populations, while fluid flow high throughput methods miss the accuracy to detect subtle differences...
June 21, 2018: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/29925108/febrile-neutropenia-following-parvovirus-b19-infection-and-cross-anti-kell-reaction-to-e-coli-in-pregnancy
#2
Pedro Brandão, Marília Freixo, Elisa Soares, Catarina Estevinho, Ana Sofia Portela Carvalho, Anabela Melo
Parvovirus B19 has tropism for red line blood cells, causing immune hydrops during pregnancy. A positive anti-Kell Coombs reaction usually happens during pregnancy when there is production of antibodies that target Kell antigens, but cross reactions to other antigens may occur. A 24-year-old Gypsy primigravida, 0 Rhesus positive, presented with persistent isolated hyperthermia for 2 weeks and a positive indirect Coombs test result with anti-Kell antibodies at routine tests. She had a 19-week live fetus. The blood tests revealed bicytopenia with iron deficiency anemia, leucopoenia with neutropenia, and elevated C-reactive protein...
June 20, 2018: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/29924032/usefulness-of-tocilizumab-for-treating-rheumatoid-arthritis-with-myelodysplastic-syndrome-a-case-report-and-literature-review
#3
Chuanyin Sun, Yingwan Luo, Hongyan Tong, Guanhua Xu, Jin Lin
RATIONALE: Dysregulated immune function in rheumatoid arthritis (RA) might lead to the development of myelodysplastic syndrome (MDS). Serum interleukin-6 (IL-6) concentrations are increased in both RA and MDS patients. PATIENT CONCERNS: A 58-year-old woman presented with severe RA. During a recent 8-month period, the patient experienced swelling in multiple joints, dizziness, and severe anemia. The symptoms responded poorly to oral corticosteroids and methotrexate (MTX)...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29922640/segmental-colitis-associated-diverticulosis-a-possible-diagnosis-in-teenagers
#4
Cristina O Mǎrginean, Lorena E Meliţ, Maria O Mǎrginean
Segmental colitis associated with diverticulosis (SCAD) is manifested by active chronic inflammation of the colonic segments affected by diverticulosis, luminal-mucosal inflammation, independent of the presence of inflammation within and/or around the diverticula, and it usually spares the rectum. We present the case of a 15-year-old female admitted to our clinic due to lower digestive hemorrhage and abdominal pain in the previous week, associated with fever 1 day prior to admission. The patient had pallor, painful abdomen upon palpation, accelerated bowel movements, and macroscopic evidence of blood in the stools...
2018: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/29922180/increased-reactive-oxygen-species-and-cell-cycle-defects-contribute-to-anemia-in-the-rasa3-mutant-mouse-model-s-cat
#5
Emily S Hartman, Elena C Brindley, Julien Papoin, Steven L Ciciotte, Yue Zhao, Luanne L Peters, Lionel Blanc
RASA3 is a Ras GTPase activating protein that plays a critical role in blood formation. The autosomal recessive mouse model scat (severe combined anemia and thrombocytopenia) carries a missense mutation in Rasa3 . Homozygotes present with a phenotype characteristic of bone marrow failure that is accompanied by alternating episodes of crisis and remission. The mechanism leading to impaired erythropoiesis and peripheral cell destruction as evidenced by membrane fragmentation in scat is unclear, although we previously reported that the mislocalization of RASA3 to the cytosol of reticulocytes and mature red cells plays a role in the disease...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29917215/effects-of-micronised-dispersible-ferric-pyrophosphate-combined-with-alpha-lactalbumin-in-pregnant-women-affected-by-iron-deficiency-anemia-results-from-a-prospective-double-blind-randomized-controlled-trial
#6
A S Laganà, L Costabile, P Filati, M Noventa, A Vitagliano, R D'Anna
OBJECTIVE: This study aimed at evaluating the effects obtained by administering 30 mg of micronised dispersible ferric pyrophosphate plus 300 mg of alpha-lactalbumin (MDFP-AL) compared to 80 mg of ferrous gluconate (FG) in pregnant women affected by iron-deficiency anemia (IDA). PATIENTS AND METHODS: We considered eligible all second-trimester singleton pregnancies in women affected by IDA. We excluded any other disease, twin pregnancies, any other pharmacologic/nutraceutical treatments (besides folic acid) before/during pregnancy...
June 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29916110/intravenous-carbetocin-versus-intravenous-oxytocin-for-preventing-atonic-postpartum-hemorrhage-after-normal-vaginal-delivery-in-high-risk-singleton-pregnancies-a-triple-blind-randomized-controlled-trial
#7
Paweena Amornpetchakul, Tripop Lertbunnaphong, Dittakarn Boriboonhiransarn, Jarunee Leetheeragul, Ratree Sirisomboon, Ratchada Jiraprasertwong
PURPOSE: To compare the effectiveness of intravenous carbetocin to that of intravenous oxytocin for prevention of atonic postpartum hemorrhage (PPH) after vaginal delivery in high-risk singleton pregnancies. METHODS: This triple-blind randomized controlled trial included singleton pregnant women who delivered at Siriraj Hospital between August 2016 and January 2017 and who were 20 years or older, had a gestational age of at least 34 weeks, had a vaginal delivery, and had at least one risk factor for atonic postpartum hemorrhage...
June 18, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29915939/-clinical-management-of-epistaxis
#8
L Uhler, S Knipping
BACKGROUND: Epistaxis is a symptom with many causes, often multifactorial and a frequent cause of consultation in acute medicine. OBJECTIVES: The goal of this study is to analyse the diagnostics used for and therapy of epistaxis, complications and the predictive benefit of laboratory tests. MATERIALS AND METHODS: In this retrospective clinical analysis reports of 720 patients with epistaxis in the period from January 2005 to December 2015 were evaluated...
June 18, 2018: HNO
https://www.readbyqxmd.com/read/29915635/-diphyllobothrium-latum-mimicking-subacute-appendicitis
#9
Konika Sharma, Karn Wijarnpreecha, Nancy Merrell
Diphyllobothrium latum ( D. latum ) infection in humans is uncommon in the United States. Although there has been a drastic decline in the report of D. latum infection in this region, physicians should be aware of an uncommon presentation and its clinical relevance. We report a case of 55-year-old female of Ecuadorian/Peruvian origin who presented with an unknown cause of chronic right lower quadrant abdominal pain for 2 months without other particular symptoms. Initial workup revealed evidence of iron deficiency anemia, and stool occult blood test was positive...
June 2018: Gastroenterology Research
https://www.readbyqxmd.com/read/29915506/evaluation-of-hepatocyte-derived-microrna-122-for-diagnosis-of-acute-and-chronic-hepatitis-of-dogs
#10
S R Eman, A A Kubesy, T A Baraka, F A Torad, I S Shaymaa, Faten F Mohammed
Aim: This study was performed to evaluate the diagnostic value of hepatocyte-derived microRNA (miRNA)-122 in acute and chronic hepatitis of dogs. Materials and Methods: A total of 26 dogs presented at Veterinary Teaching Hospital, Faculty of Veterinary Medicine, Cairo University, 16 dogs out of 26 showing clinical signs of hepatic insufficiency were subjected to clinical, ultrasonographic, hematobiochemical and ultrasound-guided fine-needle biopsy for cytological and histopathological investigations...
May 2018: Veterinary World
https://www.readbyqxmd.com/read/29911484/the-need-for-an-alternative-method-to-determine-intravascular-volumes
#11
L M Lobigs, P Peeling, B Dawson, Y O Schumacher
It is well described that numerous environmental factors, including exercise, modulate plasma volume (PV). These modulations prove problematic when a number of haematological markers are measured as a concentration in blood plasma. A primary example is haemoglobin concentration ([Hb]), a marker of erythropoiesis commonly used within medicine and also used to detect blood doping. Natural changes in PV can confound [Hb] values when a volume change is detected rather than a true change in haemoglobin mass (Hbmass ) (e...
June 17, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29910743/squeezing-for-life-properties-of-red-blood-cell-deformability
#12
REVIEW
Rick Huisjes, Anna Bogdanova, Wouter W van Solinge, Raymond M Schiffelers, Lars Kaestner, Richard van Wijk
Deformability is an essential feature of blood cells (RBCs) that enables them to travel through even the smallest capillaries of the human body. Deformability is a function of (i) structural elements of cytoskeletal proteins, (ii) processes controlling intracellular ion and water handling and (iii) membrane surface-to-volume ratio. All these factors may be altered in various forms of hereditary hemolytic anemia, such as sickle cell disease, thalassemia, hereditary spherocytosis and hereditary xerocytosis. Although mutations are known as the primary causes of these congenital anemias, little is known about the resulting secondary processes that affect RBC deformability (such as secondary changes in RBC hydration, membrane protein phosphorylation, and RBC vesiculation)...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29908901/neonatal-rbc-transfusions-do-benefits-outweigh-risks
#13
REVIEW
Iman F Iskander, Khaled M Salama, Rasha M Gamaleldin, Jerard Seghatchian
Preterm neonates represent one of the most transfused categories of patients. Their target hematocrits, however, are mainly based on expert opinion. The risk of transfusions are very high in the smallest preterm baby with a weak immune response, immature antioxidant ability, fragile germinal matrix and impaired cerebral autoregulation, yet red cell transfusions remain the only life saving measure in the baby with symptomatic anemia. Minimizing phlebotomy losses, following a restrictive transfusion policy and using screened, leukocyte depleted, irradiated, single donor blood remain the best means of avoiding the possible risks while maximizing the benefits of red cell transfusions in the preterm newborn...
May 9, 2018: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29907852/predictors-of-anemia-and-iron-status-at-birth-in-neonates-born-to-women-carrying-multiple-fetuses
#14
Yuan Ru, Eva K Pressman, Ronnie Guillet, Philip J Katzman, Stephen J Bacak, Kimberly O O'Brien
BACKGROUND: Iron (Fe) status of neonates born to women carrying multiple fetuses might be compromised as a consequence of the high prevalence of maternal Fe deficiency and anemia coupled with an increased risk of preterm birth. This study aimed to characterize and identify determinants of anemia in this neonatal population. METHODS: Umbilical cord blood obtained from 183 neonates was utilized to assess hemoglobin (Hb), ferritin (SF), soluble transferrin receptor (sTfR), hepcidin, serum Fe, erythropoietin, folate, vitamin B-12, C-reactive protein, and interleukin-6...
June 15, 2018: Pediatric Research
https://www.readbyqxmd.com/read/29906796/regional-tissue-oxygen-extraction-and-severity-of-anemia-in-very-low-birth-weight-neonates-a-pilot-nirs-analysis
#15
Jonathan P Mintzer, Boriana Parvez, Edmund F La Gamma
OBJECTIVE:  Anemia causes blood flow redistribution and altered tissue metabolic behavior to sustain homeostatic oxygen consumption. We hypothesized that anemia severity would correlate with increased regional fractional tissue oxygen extraction among premature neonates. STUDY DESIGN:  Regional oxygen extraction was calculated using pulse oximetry and near-infrared spectroscopy data among neonates <1,250 g during their first 10 postnatal days. Oxygen extraction was assessed for correlations with raw hematocrit levels and following grouping into hematocrit quartiles...
June 15, 2018: American Journal of Perinatology
https://www.readbyqxmd.com/read/29905559/-clinical-and-immunological-criteria-for-the-adverse-course-of-infectious-mononucleosis-in-children
#16
Ya Kolesnik, T Zharkova, O Rzhevskaya, T Kvaratskheliya, O Sorokina
The article presents the results of our own studies to determine the criteria for the adverse variants of the course of infectious mononucleosis (IM) in children. The study was conducted in the regional children's infectious clinical hospital in Kharkov. 161 children aged three to fifteen years were under observation with diagnosis of infectious moninucleosis. Out of 161 ill children, 140 (86.9%) had moderate severity of disease, and 21 (13.1%) had severe forms. All children were prescribed standard clinical and laboratory-instrumental examinations...
May 2018: Georgian Medical News
https://www.readbyqxmd.com/read/29904619/a-case-report-of-congenital-non-spherocytic-hemolytic-anemia-in-a-patient-from-india
#17
Ruhi Sonaye, Shaheen Sombans, Kamleshun Ramphul
Congenital non-spherocytic hemolytic anemia (CNSHA) is a rare autosomal recessive condition that presents as a congenital hemolytic anemia. The absence of vital enzymes required for glycolysis such as homozygous glucose phosphate isomerase (GPI) and red blood cell (RBC) nucleotide metabolism predisposes the RBCs to hemolysis. No spherocytosis is seen on peripheral smear as well as no signs of immune-mediated destruction of RBCs. We present a rare case of a previously healthy 21-year-old female patient with CNSHA from India...
April 13, 2018: Curēus
https://www.readbyqxmd.com/read/29904575/recent-advances-in-transfusions-in-neonates-infants
#18
REVIEW
Ruchika Goel, Cassandra D Josephson
Transfusions of red blood cells (RBCs), platelets, and plasma are critical therapies for infants and neonates (particularly preterm neonates) in the neonatal intensive care unit, who are the most frequently transfused subpopulation across all ages. Although traditionally a significant gap has existed between the blood utilization and the evidence base essential to adequately guide transfusion practices in infants and neonates, pediatric transfusion medicine is evolving from infancy and gradually coming of age...
2018: F1000Research
https://www.readbyqxmd.com/read/29903176/-follow-up-study-on-diet-folic-acid-and-iron-status-in-358-cases-of-uighur-pregnant-women-from-xinjiang-kashi
#19
Tuerxunjiang Maimaitiming, Xiaojun Wang, Camila Tuerxunjiang, Yanqiong Yang, Dilihuomaer Wuerkaixi, Jinfen Pu, Li Wang, Liuqianzi Yan
OBJECTIVE: To understand the dietary intake situation of Uighur pregnant women, investigate folic acid level and its influencing factors, to provide evidence for health education of maternal nutrition and implementation of proper nutrition, balanceddiet guidance. METHODS: 358 cases of Uighur trimester pregnant women for the study, took the method of 3 d 24 h dietary recall to survey their dietary and collect blood samples. The Hb was detected by the cyanide methemoglobinmethod...
July 2017: Wei Sheng Yan Jiu, Journal of Hygiene Research
https://www.readbyqxmd.com/read/29902958/life-threatening-pancreatitis-in-jehovah-s-witness-patients-with-severe-anemia-treated-without-transfusions-and-by-interventional-radiology-techniques
#20
Patrick Kishi, Eric vanSonnenberg, Misa Stroker
Blood transfusions in anemic patients frequently are used for critically ill patients as a life-saving therapeutic maneuver. Jehovah's Witness (JW) patients typically refuse blood transfusions due to religious beliefs. Numerous clinical reports, in a wide spectrum of medical specialties, have shown no greater morbidity or mortality in JW patients or others who refused transfusions compared to those patients who accept transfusions. We report our experience with two JW patients who presented with severe anemia and life-threatening pancreatitis...
January 1, 2018: Journal of Intensive Care Medicine
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