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Hemolytic anemia

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https://www.readbyqxmd.com/read/28818402/association-of-hemolysis-with-high-dose-intravenous-immunoglobulin-therapy-in-pediatric-patients-an-open-label-prospective-trial
#1
Alkim Oden Akman, Fatma Karaca Kara, Tulin Koksal, Bahar Cuhaci Cakir, Cuneyt Karagol, Tulin Sayli
Immunoglobulin therapy can be used to treat a wide variety of diseases. However, intravenous immunoglobin products can cause several adverse reactions, including hemolysis. The objective of this study was to determine the extent of anemia and hemolysis after high dose intravenous immunoglobin (2g/kg) and its relationship to the ABO blood type system and hemolytic anemia blood parameters in pediatric patients. Incidence of 'Intravenous immunoglobulin related hemolysis' was %19 (6/31) after high dose intravenous immunoglobulin therapy...
August 1, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28811589/patients-with-igg1-anti-red-blood-cell-autoantibodies-show-aberrant-fc-glycosylation
#2
Myrthe E Sonneveld, Masja de Haas, Carolien Koeleman, Noortje de Haan, Sacha S Zeerleder, Peter C Ligthart, Manfred Wuhrer, C Ellen van der Schoot, Gestur Vidarsson
Autoimmune hemolytic anemia (AIHA) is a potentially severe disease in which red blood cells (RBC) are destroyed by IgG anti-RBC autoantibodies which can lead to hemolysis. We recently found IgG Fc-glycosylation towards platelet and RBC alloantigens to be skewed towards decreased fucosylation, increased galactosylation and sialylation. The lowered core-fucosylation increases the affinity of the pathogenic alloantibodies to FcγRIIIa/b, and hence RBC destruction. It is known that in autoimmune diseases plasma IgG1 galactosylation and sialylation are lowered, but Fc-glycosylation of RBC-specific autoantibodies has never been thoroughly analyzed...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811305/red-blood-cells-in-thrombosis
#3
James R Byrnes, Alisa S Wolberg
Red blood cells (RBCs) have historically been considered passive bystanders in thrombosis. However, clinical and epidemiological studies have associated quantitative and qualitative abnormalities in RBCs, including altered hematocrit, sickle cell disease, thalassemia, hemolytic anemias, and malaria, with both arterial and venous thrombosis. A growing body of mechanistic studies suggests RBCs can promote thrombus formation and enhance thrombus stability. These findings suggest RBCs may contribute to thrombosis pathophysiology and reveal potential strategies for therapeutically targeting RBCs to reduce thrombosis...
August 15, 2017: Blood
https://www.readbyqxmd.com/read/28810837/phase-i-dose-escalation-study-of-pazopanib-combined-with-bevacizumab-in-patients-with-metastatic-renal-cell-carcinoma-or-other-advanced-tumors
#4
Sylvie Négrier, David Pérol, Rastislav Bahleda, Antoine Hollebecque, Etienne Chatelut, Helen Boyle, Philippe Cassier, Séverine Metzger, Ellen Blanc, Jean-Charles Soria, Bernard Escudier
BACKGROUND: Vascular endothelial growth factor (VEGF) directed therapies are being used in a large number of advanced tumors. Metastatic renal cell carcinoma (mRCC) is highly dependent on the VEGF pathway; VEGF receptor (VEGFR) tyrosine kinase inhibitors (TKI) and humanized VEGF monoclonal antibody have been registered for clinical use in advanced renal cell carcinoma. The VEGFR TKI, pazopanib, with a rather manageable toxicity profile, was preferred to sunitinib by mRCC patients. We investigate the combination of pazopanib and bevacizumab to determine the maximum tolerated dose (MTD) in mRCC and other advanced solid tumors...
August 15, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28810311/-retrospective-analysis-of-13-cases-of-nocardiosis
#5
H Q Yang, H Z Shi, Z H Tong
Objective: To evaluate the clinical features, chest radiological manifestations, microbiological examination and treatments of nocardial disease. Methods: A retrospective study was conducted to analyze the data of patients with nocardial infection admitted to Beijing Chaoyang Hospital from January 2010 to January 2016. Results: The 13 patients, 6 males and 7 females, aged (51±17) years. Twelve cases were diagnosed with pulmonary nocardiosis, and 1 with disseminated nocardial infection. Most of these patients had complications: autoimmune diseases in 3 (2 with autoimmune hemolytic anemia and 1 with systemic lupus erythematosus), and bronchiectasis in 6 patients...
August 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28810042/oct-angiographic-findings-in-glucose-6-phosphate-dehydrogenase-deficiency
#6
Shangjun Jiang, Netan Choudhry
Fovea plana (FP) describes the abnormal absence of the foveal pit in the retina. It is a sign that is associated with prematurity, albinism, and other ophthalmic disorders. The authors present the optical coherence tomography angiographic findings in a case of a 19-year-old male with FP and glucose-6-phosphate dehydrogenase (G6PD) deficiency. G6PD deficiency is a very common condition that typically presents with hemolytic anemia and jaundice. G6PD deficiency is also known to affect vision, but these pathologies have been less well-characterized...
August 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28804921/serum-thymidine-kinase-1-canine-c-reactive-protein-haptoglobin-and-vitamin-d-concentrations-in-dogs-with-immune-mediated-hemolytic-anemia-thrombocytopenia-and-polyarthropathy
#7
M Grobman, H Outi, H Rindt, C Reinero
BACKGROUND: Relapses of immune-mediated hemolytic anemia (IMHA), thrombocytopenia (ITP), or polyarthropathy (IMPA) occur despite normal hematologic and cytologic parameters. Thymidine kinase 1 (TK1), canine C-reactive protein (c-CRP), haptoglobin (HPT), and 25-Hydroxyvitamin-D (25(OH)D) might be adjunct to current monitoring strategies. HYPOTHESIS/OBJECTIVES: Compare serum concentrations of TK1, c-CRP, HPT, and 25(OH)D in dogs with well- and poorly controlled primary IMHA, ITP, or IMPA...
August 14, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28803808/two-novel-mutations-p-ser160pro-and-p-arg472cys-causing-glucose-6-phosphate-isomerase-deficiency-are-associated-with-erythroid-dysplasia-and-inappropriately-suppressed-hepcidin
#8
Renata Mojzikova, Pavla Koralkova, Dusan Holub, Zuzana Saxova, Dagmar Pospisilova, Daniela Prochazkova, Petr Dzubak, Monika Horvathova, Vladimir Divoky
Glucose-6-phosphate isomerase (GPI) deficiency, a genetic disorder responsible for chronic nonspherocytic hemolytic anemia, is the second most common red blood cell glycolytic enzymopathy. We report three patients from two unrelated families of Czech and Slovak origin with macrocytic hemolytic anemia due to GPI deficiency. The first patient had 15% of residual GPI activity resulting from two new heterozygous missense mutations c.478T>C and c.1414C>T leading to substitutions p.(Ser160Pro) and p.(Arg472Cys)...
April 14, 2017: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28801086/slowly-progressive-leukodystrophy-in-an-adolescent-male-with-phosphoglycerate-kinase-deficiency
#9
Shimpei Baba, Ayumi Kobayashi, Haruna Yokoyama, Kengo Moriyama, Ayako Kashimada, Jun Oyama, Ayako Owada, Shoichi Oyama, Tomohiro Morio, Masatoshi Takagi
We report the case of an 18-year-old man with a phosphoglycerate kinase (PGK) deficiency who had slowly progressive leukodystrophy during adolescence. The patient had a history of severe neonatal jaundice, hemolytic crisis with rhabdomyolysis triggered by febrile viral infections, dysarthria, and intellectual disability during early childhood. Clumsiness in walking and writing became obvious at ∼10years of age. Evaluations performed by us on the 18-year-old patient confirmed the presence of pyramidal tract signs, increased muscle tone, and generalized dystonia...
August 8, 2017: Brain & Development
https://www.readbyqxmd.com/read/28799315/glucose-6-phosphate-dehydrogenase-deficiency-unveiled-by-diabetic-ketoacidosis-a-dual-dilemma
#10
Pankti Mehta, Vishal Srivastav, Priya Bhate, Vishal Gupta, Milind Y Nadkar
An 18 year old male, known case of Type 1 Diabetes Mellitus was admitted in view of diabetic ketoacidosis. With normalization of blood sugars patient developed gross reddish discoloration of urine. Urine routine microscopy did not reveal RBCs or RBC casts. Peripheral blood smear revealed bite cells, Heinz bodies and spherocytes. Thus a diagnosis of hemolytic anemia with hemoglobinuria was made. Patient's glucose-6-phosphate dehydrogenase (G6PD) levels were below the normal range. G6PD, an enzyme of the HMP shunt, is the most common enzyme defect causing hemolytic anemia...
August 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28797532/assessment-of-in-vitro-antifungal-efficacy-and-in-vivo-toxicity-of-amphotericin-b-loaded-plga-and-plga-peg-blend-nanoparticles
#11
T C Moraes Moreira Carraro, C Altmeyer, N Maissar Khalil, R Mara Mainardes
Amphotericin B (AmB) is widely applied in treatment of systemic fungal infections. However, the emergence of severe adverse effects, such as nephrotoxicity, hepatotoxicity and hemolytic anemia, can limit its clinical use. Poly(lactide-co-glycolide) (PLGA) or poly(lactide-co-glycolide)-poly(ethylene glycol) (PLGA-PEG) blend nanoparticles containing AmB were developed with the aim to decrease AmB toxicity and propose the oral route for AmB delivery. Nanoparticles were characterized by particle size, polydispersity index, Fourier transform infrared spectroscopy, differential scanning calorimetry and X-ray diffraction analyses...
August 7, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/28791912/coinheritance-of-high-oxygen-affinity-hb-helsinki-hbb-c-248a-t-%C3%AE-82-ef6-lys%C3%A2-met-with-hb-h-disease
#12
Shir-Ying Lee, Jia-Hui Goh, Karen M L Tan, Te-Chih Liu
Hb Helsinki [HBB: c.248A>T; β82(EF6)Lys→Met] is a high oxygen affinity hemoglobin (Hb) causing polycythemia, whereas Hb H (β4) disease causes mild to severe chronic hemolytic anemia. The clinical characteristics, gel electrophoresis, capillary electrophoresis (CE) and molecular genotyping of a case of Hb Helsinki coinherited with Hb H disease in an ethnic Malay is described, illustrating the interaction between the β-globin variant and coinheritance of three α gene deletions. The proband was asymptomatic, exhibited microcytosis and a normal with Hb value...
August 9, 2017: Hemoglobin
https://www.readbyqxmd.com/read/28791286/autoimmune-thrombotic-thrombocytopenic-purpura-two-rare-cases-associated-with-juvenile-idiopathic-arthritis-and-multiple-sclerosis
#13
Despoina Dimopoulou, Athina Dimosiari, Eudokia Mandala, Theodoros Dimitroulas, Alaxandros Garyfallos
Secondary thrombotic microangiopathies are associated with several underlying conditions, with most of them being resolved after the treatment of background disease. Thrombotic thrombocytopenic purpura (TTP) is a rare microangiopathy presenting with anemia, thrombocytopenia, and neurological deficits, occurring most often in various autoimmune diseases due to inhibition of ADAMTS13 by autoantibodies, as well as in pregnant women with or without an autoimmune substrate. In this article, we report two newly diagnosed TTP cases, who have not been published so far...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28780656/hus-induced-cardiac-and-circulatory-failure-is-reversible-using-cardiopulmonary-bypass-as-rescue
#14
René F Andersen, Jesper V Bjerre, Johan V Povlsen, Mette Veien, Konstantinos Kamperis, Søren Rittig
BACKGROUND: Extra-renal involvement in hemolytic uremic syndrome (HUS) includes gastrointestinal, pancreatic, hepatic, neurological and cardiac manifestations. The current 3-5% mortality rate in HUS patients is primarily attributed to complications related to the central nervous system and the heart. In this brief report, we illustrate that severe cardiac involvement in a patient with HUS is potentially reversible using cardiopulmonary bypass as rescue. CASE-DIAGNOSIS/TREATMENT: A 12-year-old boy was diagnosed with enterohemorrhagic Escherichia coli-induced HUS related to E...
August 5, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28780041/quinine-induced-thrombotic-microangiopathy-a-report-of%C3%A2-19%C3%A2-patients
#15
Evaren E Page, Dustin J Little, Sara K Vesely, James N George
BACKGROUND: Quinine can cause diverse and severe immune-mediated adverse reactions, including thrombotic microangiopathy (TMA). Our objective was to describe the presenting features and long-term outcomes of patients with quinine-induced TMA. STUDY DESIGN: A case series of 19 patients with quinine-induced TMA treated with plasma exchange. SETTING & PARTICIPANTS: Patients with quinine-induced TMA initially suspected of having thrombotic thrombocytopenic purpura (TTP) were identified among patients enrolled in the Oklahoma TTP-Hemolytic Uremic Syndrome Registry...
August 3, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28774729/-thrombotic-microangiopathy-and-cancer
#16
Rania Kheder El-Fekih, Clément Deltombe, Hassan Izzedine
Thrombotic microangiopathy (TMA) is a group of disorders characterized by mechanical hemolytic anemia with thrombocytopenia and an ischemic organic lesion of variable and potentially fatal importance affecting mostly the kidneys and the brain with histologically a disseminated and occlusive microvasculopathy. The incidence of TMA represents 15% of acute kidney failure in oncological setting, largely due to the introduction of anti-angiogenic agents over the past decade. It may be more rarely related to cancer itself...
July 31, 2017: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/28770911/targeting-%C3%AE-cys93-in-hemoglobin-s-with-an-antisickling-agent-possessing-dual-allosteric-and-antioxidant-effects
#17
Tigist Kassa, Michael Brad Strader, Akito Nakagawa, Warren M Zapol, Abdu I Alayash
Sickle cell disease (SCD) is an inherited blood disorder caused by a β globin gene mutation of hemoglobin (HbS). The polymerization of deoxyHbS and its subsequent aggregation (into long fibers) is the primary molecular event which leads to red blood cell (RBC) sickling and ultimately hemolytic anemia. We have recently suggested that HbS oxidative toxicity may also contribute to SCD pathophysiology due to its defective pseudoperoxidase activity. As a consequence, a persistently higher oxidized ferryl heme is formed which irreversibly oxidizes "hotspot" residues (particularly βCys93) causing protein unfolding and subsequent heme loss...
August 3, 2017: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/28768626/pathophysiology-of-thrombotic-thrombocytopenic-purpura
#18
J Evan Sadler
The discovery of ADAMTS13 revolutionized our approach to thrombotic thrombocytopenic purpura (TTP). Inherited or acquired ADAMTS13 deficiency allows the unrestrained growth of microthrombi that are composed of von Willebrand factor (VWF) and platelets, which account for the thrombocytopenia, hemolytic anemia, schistocytes and tissue injury that characterize TTP. Most patients with acquired TTP respond to a combination of plasma exchange and rituximab, but some die or acquire irreversible neurological deficits before they can respond, and relapses can occur unpredictably...
August 2, 2017: Blood
https://www.readbyqxmd.com/read/28768465/interaction-between-hb-e-and-hb-yala-hbb-c-129delt-a-novel-frameshift-beta-globin-gene-mutation-resulting-in-hemoglobin-e-%C3%AE-0-thalassemia
#19
Supachai Ekwattanakit, Suchada Riolueang, Vip Viprakasit
OBJECTIVES: There are more than 200 known mutations found in patients with β-thalassemia, a possibility to identify an unknown or novel mutation becomes less possible. Here, we report a novel mutation in a patient from Thailand who presented with chronic hemolytic anemia. METHODS: A comprehensive hematology and DNA analysis was applied in the index patient and her mother. RESULTS: Hematological and hemoglobin analyses were consistent with the clinical diagnosis of Hb E/β(0)-thalassemia...
August 3, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/28766838/transfusion-transmitted-babesiosis-leading-to-severe-hemolysis-in-two-patients-with-sickle-cell-anemia
#20
Kristine Karkoska, James Louie, Abena O Appiah-Kubi, Lawrence Wolfe, Lorry Rubin, Sujatha Rajan, Banu Aygun
The intracellular parasites Babesia microti and Babesia duncani can be transmitted by blood transfusion and cause severe life-threatening hemolytic anemia in high-risk patients, including those with sickle cell disease. The rarity of the diagnosis, as well as its similar clinical presentation to delayed hemolytic transfusion reaction, may lead to a delay in diagnosis, as well as inappropriate treatment with steroids or other immunosuppressive agents. The morbidity caused by this disease in especially vulnerable populations justifies the need for a universal blood-screening program in endemic areas...
August 2, 2017: Pediatric Blood & Cancer
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