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https://www.readbyqxmd.com/read/28529915/hemolytic-uremic-syndrome-in-adults-a-case-report
#1
Fabiel Gerardo Pérez-Cruz, Patricia Villa-Díaz, María Consuelo Pintado-Delgado, María Loreto Fernández Rodríguez, Ana Blasco-Martínez, María Pérez-Fernández
Thrombotic microangiopathies (TMA) are microvascular occlusive disorders characterized by platelet aggregation and mechanical damage to erythrocytes, clinically characterized by microangiopatic haemolytic anemia, thrombocytopenia and organ injury. We are reporting a case of a woman patient with severe hemolytic uremic syndrome associated to infectious diarrhoea caused by Shiga toxin-producing pathogen, who were admitted to our intensive care unit. The patient described developed as organ injury, neurological failure and acute renal failure, with need of haemodialysis technique...
May 4, 2017: World Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28523859/glucose-6-phosphate-dehydrogenase-deficiency-induced-haemolysis-in-a-woman-with-newly-diagnosed-diabetes-after-normalization-of-hyperglycaemia
#2
F ALjishi, M ALDarwish
Glucose-6-phosphate dehydrogenase (G6PD) catalyses the initial step in the hexose monophosphate pathway that protects red blood cells against oxidative injury via the production of NADPH [1]. The exact association between diabetes and G6PD deficiency remains a matter of debate. People with G6PD deficiency can develop severe haemolytic anaemia in conjunction with new-onset diabetes, particularly within the setting of ketoacidosis. This phenomenon has been reported previously, but is uncommon [2-18]. This article is protected by copyright...
May 19, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28516949/paroxysmal-nocturnal-haemoglobinuria
#3
REVIEW
Anita Hill, Amy E DeZern, Taroh Kinoshita, Robert A Brodsky
Paroxysmal nocturnal haemoglobinuria (PNH) is a clonal haematopoietic stem cell (HSC) disease that presents with haemolytic anaemia, thrombosis and smooth muscle dystonias, as well as bone marrow failure in some cases. PNH is caused by somatic mutations in PIGA (which encodes phosphatidylinositol N-acetylglucosaminyltransferase subunit A) in one or more HSC clones. The gene product of PIGA is required for the biosynthesis of glycosylphosphatidylinositol (GPI) anchors; thus, PIGA mutations lead to a deficiency of GPI-anchored proteins, such as complement decay-accelerating factor (also known as CD55) and CD59 glycoprotein (CD59), which are both complement inhibitors...
May 18, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/28511389/variability-of-iron-load-in-patients-of-sickle-cell-anaemia-hbss-a-study-from-eastern-india
#4
Pranati Mohanty, Rabindra Kumar Jena, Sudha Sethy
INTRODUCTION: Sickle Cell Anaemia (SCA) is one of the commonest haemoglobinopathies due to a point mutation (A→T) of the β-globin gene. Out of five haplotypes, the Arab-Indian haplotype present in India is one of the least severe phenotype and least studied also. It is characterized by lifelong haemolytic anaemia requiring red cell transfusion leading to iron overload. In contrast, there is very high incidence of deficiency of iron, folic acid and vitamin B12. AIM: Our objective was to access the Iron status of SCA patients and to find its correlation with various parameters like red cell transfusion, haemolysis and serum hepcidin...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28504635/-favism-after-ingestion-of-fava-beans-in-a-three-year-old-child-with-glucose-6-phosphate-dehydrogenase-deficiency
#5
Margrethe Bordado Sköld, Rikke Pilsgaard Svendsen, Ellen Bøtker Pedersen
A three-year-old Syrian boy was hospitalized with symptoms of acute haemolytic anaemia after ingestion of fava beans. He was stabilized by blood transfusion, and genetic examination revealed glucose-6-phosphate dehydrogenase (G6PD) deficiency. Oxidative stress, e.g. ingestion of fava beans, can induce acute haemolytic anaemia in affected individuals. Approximately 400 million people worldwide suffer from G6PD deficiency. The prevalence is high in African, Mediterranean and Middle East countries. Due to increased immigration, we might expect the condition to occur more often in Danish healthcare...
May 15, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28500363/diffusion-weighted-imaging-of-the-kidneys-in-haemolytic-uraemic-syndrome
#6
Jochen Herrmann, Ulrich Wenzel, Stephanie Galler, Bjoern P Schoennagel, Jasmin D Busch, Magdalini Tozakidou, Kay U Petersen, Michaela Joekel, Peter Bannas, Jin Yamamura, Michael Groth, Gerhard Adam, Christian R Habermann
OBJECTIVES: To evaluate the kidneys of patients with haemolytic uraemic syndrome (HUS) using diffusion-weighted imaging (DWI) and Doppler ultrasound (US) compared with healthy controls. MATERIALS AND METHODS: Fifteen patients (mean age 33.3 years; three male; 12 female) with diarrhoea-positive HUS and 15 healthy volunteers were prospectively evaluated with DWI and Doppler US. A total apparent diffusion coefficient (ADCTOT), and ADCs predominantly reflecting microperfusion (ADCLOW) and diffusion (ADCHIGH) were calculated...
May 12, 2017: European Radiology
https://www.readbyqxmd.com/read/28494617/first-report-of-the-in-vitro-antileishmanial-properties-of-extremophile-plants-from-the-algarve-coast
#7
Marta Oliveira, Maria João Rodrigues, Catarina Pereira, Rubens Lima do Monte Neto, Policarpo Ademar Santos Junior, Nuno da Rosa Neng, José Manuel Florêncio Nogueira, João Varela, Luísa Barreira, Luísa Custódio
This work reports for the first time the in vitro anti Leishmania infantum activity of acetone and dichloromethane (DCM) extracts from 25 extremophile plants from Southern Portugal. DCM extracts from Inula chritmoides and Spergularia rubra were active against axenic promastigotes and intracellular amastigotes, had anti-inflammatory properties on lipopolysaccharide (LPS)-stimulated macrophages, inhibited acetylcholinesterase and had no haemolytic activity on human erythrocytes. Eleven phenolics were identified by high-performance liquid chromatography with diode-array detection (HPLC-DAD) in I...
May 11, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28493920/haemolytic-activity-of-soil-from-areas-of-varying-podoconiosis-endemicity-in-ethiopia
#8
Jennifer S Le Blond, Peter J Baxter, Dhimiter Bello, Jennifer Raftis, Yordanos B Molla, Javier Cuadros, Gail Davey
BACKGROUND: Podoconiosis, non-filarial elephantiasis, is a non-infectious disease found in tropical regions such as Ethiopia, localized in highland areas with volcanic soils cultivated by barefoot subsistence farmers. It is thought that soil particles can pass through the soles of the feet and taken up by the lymphatic system, leading to the characteristic chronic oedema of the lower legs that becomes disfiguring and disabling over time. METHODS: The close association of the disease with volcanic soils led us to investigate the characteristics of soil samples in an endemic area in Ethiopia to identify the potential causal constituents...
2017: PloS One
https://www.readbyqxmd.com/read/28488959/temperature-dependent-haemolytic-propensity-of-cpda-1-stored-red-blood-cells-vs-whole-blood-red-cell-fragility-as-donor-signature-on-blood-units
#9
Vassilis L Tzounakas, Alkmini T Anastasiadi, Dimitrios G Karadimas, Redisa A Zeqo, Hara T Georgatzakou, Olga D Pappa, Olga A Papatzitze, Konstantinos E Stamoulis, Issidora S Papassideri, Marianna H Antonelou, Anastasios G Kriebardis
BACKGROUND: To preserve cellular integrity and avoid bacterial growth, storage and transfer of blood and blood products follow strict guidelines in terms of temperature control. We evaluated the impact of ineligible warming of whole blood donations on the quality of blood components. MATERIAL AND METHODS: One-hundred and twenty units of whole blood (WB) from eligible blood donors were collected in CPDA-1 and stored at 4±2 °C. During shipment to the blood processing centre, a gradual warming up to 17 °C was recorded within a period of less than eight hours...
April 10, 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28488957/cumulative-erythrocyte-damage-in-blood-storage-and-relevance-to-massive-transfusions-selective-insights-into-serial-morphological-and-biochemical-findings
#10
REVIEW
Jeffrey S Putter, Jerard Seghatchian
Elucidating the precise mechanisms of cumulative red cell damages during storage and the potential harmful consequences after transfusion are achievable by exacting laboratory science and well-defined clinical studies in progress. Accordingly, for larger magnitude blood transfusions (i.e. 8-12 U in 24 hours), the quality of the stored blood and its characterisation are of special academic and clinical importance. Our main objectives in this review are to illuminate facets of the red cell storage lesion for prolonged storage (0-42 days) by concentrating on various hallmarks of the disorder: 1) identifying and characterising serial markers of the progressive lesion with respect to red cell dysmorphology, deformability, haemolytic fragility and dysfunction both in storage and the microcirculation; and 2) relevant biochemical findings of redox status correlated to oxidative stress of erythrocyte proteins...
April 10, 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28488841/catastrophic-antiphospholipid-syndrome-an-update
#11
Gerard Espinosa, Ignasi Rodriguez-Pinto, Ricard Cervera
Catastrophic antiphospholipid syndrome (CAPS) is a rare variant that accounts for 1% of patients with APS. Despite its low frequency, the mortality-related is very high ranging from 50% of patients in the first series to 37% in the most recent data. The current knowledge of this potential devastating entity comes from the International Registry of patients with CAPS, named CAPS Registry. Small vessel thrombosis, laboratory features of microangiopathic haemolytic anemia, and development of multisystem involvement in a very short period of time are the main characteristics of this syndrome...
May 8, 2017: Panminerva Medica
https://www.readbyqxmd.com/read/28487302/prophylactic-use-of-eculizumab-during-surgery-in-chronic-cold-agglutinin-disease
#12
Eirik Tjønnfjord, Øystein A Vengen, Sigbjørn Berentsen, Geir Erland Tjønnfjord
Primary chronic cold agglutinin disease (CAD) is an autoimmune haemolytic anaemia in which a specific bone marrow lymphoproliferative disorder causes production of cold agglutinins (CA). Binding of CA to erythrocyte surface antigens results in a predominantly extravascular haemolysis that is entirely complement dependent. Because of complement activation, exacerbations are common during febrile infections, trauma or major surgery. Involvement of the terminal complement pathway with C5-mediated intravascular haemolysis is probably not prominent in stable disease but is supposed to be of importance in exacerbations following acute phase reaction...
May 9, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28486938/barriers-and-facilitators-related-to-the-uptake-of-four-strategies-to-prevent-neonatal-early-onset-group-b-haemolytic-streptococcus-disease-a-qualitative-study
#13
Diny G E Kolkman, Margot A H Fleuren, Maurice G A J Wouters, Christianne J M de Groot, Marlies E B Rijnders
BACKGROUND: Actions to prevent early onset disease in neonates are based on different strategies including administering antibiotic prophylaxis during labour in case of 1) maternal GBS colonisation (screening strategy), 2) identified risk factors (risk-based strategy) or 3) a combination of these two conditions (maternal GBS colonisation and identified risk factors: combination strategy and the Dutch guideline). Low adherence to guidelines preventing EOGBS has been reported. Each strategy has drawbacks and clinical outcomes are affected by care providers' and women's adherence...
May 9, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28482569/development-of-biodegradable-plga-nanoparticles-surface-engineered-with-hyaluronic-acid-for-targeted-delivery-of-paclitaxel-to-triple-negative-breast-cancer-cells
#14
Brenda Brenner S Cerqueira, Annette Lasham, Andrew N Shelling, Raida Al-Kassas
This study aimed at development of poly (lactic-co-glycolic acid) (PLGA) nanoparticles embedded with paclitaxel and coated with hyaluronic acid (HA-PTX-PLGA) to actively target the drug to a triple negative breast cancer cells. Nanoparticles were successfully fabricated using a modified oil-in-water emulsion method. The effect of various formulations parameters on the physicochemical properties of the nanoparticles was investigated. SEM imaging confirmed the spherical shape and nano-scale size of the nanoparticles...
July 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28474415/cephalexin-induced-haemolytic-anaemia-a-case-report
#15
K Thiessen, S Kraleti
WHAT IS KNOWN AND OBJECTIVE: Drug-induced haemolytic anaemia (DIHA) is a rare condition that has been associated with a multitude of medications. Although a few cephalosporins have been commonly implicated in DIHA, cephalexin has been reported in only a few cases. CASE DESCRIPTION: We report a case of a 44-year-old woman who developed haemolytic anaemia after 5 days of therapy with cephalexin. WHAT IS NEW AND CONCLUSION: Although DIHA is rare, it should not be overlooked in the differential diagnosis...
May 5, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28466542/association-between-oxidative-stress-and-vascular-reactivity-in-children-with-sickle-cell-anaemia-and-sickle-haemoglobin-c-disease
#16
Berenike Möckesch, Philippe Connes, Keyne Charlot, Sarah Skinner, Marie-Dominique Hardy-Dessources, Marc Romana, Stéphane Jumet, Marie Petras, Lydia Divialle-Doumdo, Cyril Martin, Benoît Tressières, Vanessa Tarer, Olivier Hue, Maryse Etienne-Julan, Sophie Antoine, Vincent Pialoux
Oxidative stress and haemolysis-associated nitric oxide (NO) depletion plays a crucial role in the development of vasculopathy in sickle cell anaemia (SS). However it remains unknown whether oxidative stress and haemolysis levels influence vascular function in patients with sickle haemoglobin C disease (SC). Microvascular response to heat (using Laser Doppler flowmetry on finger), oxidative stress biomarkers, NO metabolites, endothelin-1 and haematological parameters were compared between patients with SS and SC...
May 3, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28461043/antimicrobial-peptide-from-mucus-of-andrias-davidianus-screening-and-purification-by-magnetic-cell-membrane-separation-technique
#17
Jinjin Pei, Lei Jiang
Andrias davidianus, the Chinese giant salamander, has been used in traditional Chinese medicine for many decades. However, no antimicrobial peptides (AMPs) have been described from A. davidianus until now. Here we describe a novel AMP (andricin 01) isolated from the mucus of A. davidianus. The peptide was recovered using an innovative magnetic cell membrane separation technique and was characterised using mass spectrometry and circular dichroism (CD) spectroscopy. Andricin 01 is comprised of ten amino acid residues with a total molecular mass of 955...
April 28, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28460652/the-microbial-community-of-the-gut-differs-between-piglets-fed-sow-milk-milk-replacer-or-bovine-colostrum
#18
Ann-Sofie R Poulsen, Nadieh de Jonge, Sugiharto Sugiharto, Jeppe L Nielsen, Charlotte Lauridsen, Nuria Canibe
The aim of this study was to characterise the gut microbiota composition of piglets fed bovine colostrum (BC), milk replacer (MR) or sow milk (SM) in the post-weaning period. Piglets (n 36), 23-d old, were randomly allocated to the three diets. Faecal samples were collected at 23, 25, 27 and 30 d of age. Digesta from the stomach, ileum, caecum and mid-colon was collected at 30 d of age. Bacterial DNA from all samples was subjected to amplicon sequencing of the 16S rRNA gene. Bacterial enumerations by culture and SCFA analysis were conducted as well...
May 2, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28456649/the-accessory-sec-system-secy2a2-in-streptococcus-pneumoniae-is-involved-in-export-of-pneumolysin-toxin-adhesion-and-biofilm-formation
#19
Mikaila Bandara, J Mark Skehel, Aras Kadioglu, Ian Collinson, Angela H Nobbs, Ariel J Blocker, Howard F Jenkinson
In Streptococcus pneumoniae TIGR4, genes encoding a SecY2A2 accessory Sec system are present within a locus encoding a serine-rich repeat surface protein PsrP. Mutant strains deleted in secA2 or psrP were deficient in biofilm formation, while the ΔsecA2 mutant was reduced in binding to airway epithelial cells. Cell wall protein (CWP) fractions from the ΔsecA2 mutant, but not from the ΔpsrP mutant, were reduced in haemolytic (pneumolysin) activity. Contact-dependent pneumolysin (Ply) activity of wild type TIGR4 cells was ten-fold greater than that of ΔsecA2 mutant cells suggesting that Ply was not active at the ΔsecA2 cell surface...
April 27, 2017: Microbes and Infection
https://www.readbyqxmd.com/read/28450989/-etiological-profile-of-anemia-in-a-department-of-internal-medicine
#20
Ali Zinebi, Hicham Eddou, Karim Mohamed Moudden, Mohamed Elbaaj
Anemia is a major public health problem worldwide despite remarkable improvement in living conditions. The World Health Organization (WHO) classifies it as one of the ten most serious problems in the world. This study aims to describe the epidemiologic and etiologic profiles of the cases of anemia treated during our training. We conducted a retrospective study involving 150 patients carried out over 5 years, from January 2011 to December 2015. The average age of our patients was 48.8 years and women were more likely to be affected than men, with a sex ratio of 1...
2017: Pan African Medical Journal
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