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hemolytic anemias

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https://www.readbyqxmd.com/read/28432724/fluorescent-aerolysin-flaer-based-paroxysmal-nocturnal-hemoglobinuria-pnh-screening-a-single-center-experience-from-india
#1
K Rahman, R Gupta, G Yadav, N Husein, M K Singh, S Nityanand
BACKGROUND: Fluorescent aerolysin (FLAER) has been recommended as an important part of antibody panel used for flow cytometric detection of paroxysmal nocturnal hemoglobinuria (PNH) clone. This study was aimed to observe the frequency of PNH-positive clones and their sizes in patients screened for various indications. METHOD: A retrospective analysis of 624 patients screened over a period of 30 months. Frequency and size of clone sizes noted, and laboratory parameters were compared among different groups of patient being screened...
April 22, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28428532/ceftriaxone-induced-hemolytic-anemia-in-a-jehovah-s-witness
#2
James Tasch, Pedro Gonzalez-Zayaz
BACKGROUND Drug-induced immune hemolytic anemia (DIIHA) is a rare condition that may result from the administration of an antibiotic, most notably the cephalosporin class, commonly used in both the adult and pediatric populations. A delay in recognition by a provider may lead to continuation of the offending agent and possibly result in fatal outcomes. CASE REPORT We report the case of a 65-year-old woman on ceftriaxone infusions after being diagnosed with acute mitral valve endocarditis 3 weeks prior, which presented with severe anemia and bilateral transient vision loss...
April 21, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28425749/hemolytic-transfusion-reaction-attributable-to-anti-dia
#3
Arthur J Joyce, Kelli M Quantock, Ray Banh, Yew W Liew
In situations when a patient's antibody detection test is negative, many institutions have moved from an indirect antiglobulin test (IAT) crossmatch to an electronic crossmatch system. Here we report a case of an acute hemolytic transfusion reaction attributable to anti-Dia in a patient with a negative antibody detection test. A 22-year-old female patient with a diagnosis of β thalassemia and sickle cell anemia commenced a routine exchange transfusion of 5 units of red blood cells (RBCs) in the apheresis unit as part of her regular treatment...
January 2017: Immunohematology
https://www.readbyqxmd.com/read/28422977/defining-the-complex-phenotype-of-severe-systemic-loxoscelism-using-a-large-electronic-health-record-cohort
#4
Jamie R Robinson, Vanessa E Kennedy, Youssef Doss, Lisa Bastarache, Joshua Denny, Jeremy L Warner
OBJECTIVE: Systemic loxoscelism is a rare illness resulting from the bite of the recluse spider and, in its most severe form, can lead to widespread hemolysis, coagulopathy, and death. We aim to describe the clinical features and outcomes of the largest known cohort of individuals with moderate to severe loxoscelism. METHODS: We performed a retrospective, cross sectional study from January 1, 1995, to December 31, 2015, at a tertiary-care academic medical center, to determine individuals with clinical records consistent with moderate to severe loxoscelism...
2017: PloS One
https://www.readbyqxmd.com/read/28417547/a-long-term-follow-up-study-of-subtotal-splenectomy-in-children-with-hereditary-spherocytosis
#5
C W K Rosman, P M A Broens, M Trzpis, R Y J Tamminga
BACKGROUND: Hereditary spherocytosis (HS) is a heterogeneous hemolytic anemia treated with splenectomy in patients suffering from severe or moderate disease. Total splenectomy, however, renders patients vulnerable to overwhelming postsplenectomy infection despite preventive measures. Although subtotal splenectomy has been advocated as an alternative to total splenectomy, long-term follow-up data are scarce. We investigated how often hematologic recurrences requiring secondary total splenectomy occurred...
April 18, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28417064/adenocarcinoma-of-the-lung-presenting-as-thrombotic-thrombocytopenic-purpura
#6
Ahmed Dirweesh, Waqas Siddiqui, Muhammad Khan, Praneet Iyer, Marc Seelagy
Acquired thrombotic thrombocytopenic purpura (TTP) usually presents as severe microangiopathic hemolytic anemia (MAHA) and thrombocytopenia in a previously healthy individual. It occurs in approximately three in one million adults and 1 in 10 million children annually. The incidence is increased in females and blacks. Diagnosing TTP and initiating therapy with plasma exchange is a must to avoid preventable complications. Acquired thromotic microangiopathy has been linked to collagen vascular diseases, use of certain medications, organ transplants, infections, pregnancy and cancer...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28416507/thrombotic-thrombocytopenic-purpura
#7
Bérangère S Joly, Paul Coppo, Agnes Veyradier
Thrombotic thrombocytopenic purpura (TTP) is a rare and life-threatening thrombotic micro-angiopathy characterized by a microangiopathic hemolytic anemia, severe thrombocytopenia and organ ischemia linked to disseminated microvascular platelet rich-thrombi. TTP is specifically related to a severe deficiency in ADAMTS13 (A Disintegrin and Metalloprotease with ThromboSpondin type 1 repeats, member 13), the specific von Willebrand factor-cleaving pro-tease. ADAMTS13 deficiency is most frequently acquired via ADAMTS13 autoantibodies but rarely, it is inherited via mutations of ADAMTS13 gene...
April 17, 2017: Blood
https://www.readbyqxmd.com/read/28416183/inhibition-of-the-in-vitro-growth-of-babesia-bigemina-babesia-caballi-and-theileria-equi-parasites-by-trifluralin-analogues
#8
Marta G Silva, Donald P Knowles, Sandra Antunes, Ana Domingos, Maria A Esteves, Carlos E Suarez
Bovine and equine babesiosis caused by Babesia bovis, Babesia bigemina and Babesia caballi, along with equine theileriosis caused by Theileria equi are global tick-borne hemoprotozoan diseases characterized by fever, anemia, weight losses and abortions. A common feature of these diseases are transition from acute to chronic phases, in which parasites may persist in the hosts for life. Antiprotozoal drugs are important for managing infection and disease. Previous research demonstrated that trifluralin analogues, designated (TFLAs) 1-15, which specifically bind to regions of alpha-tubulin protein in plants and protozoan parasites, have the ability to inhibit the in vitro growth of B...
April 10, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28414687/disseminated-cryptococcal-disease-with-diffuse-pulmonary-infiltrates-in-a-non-hiv-host
#9
M Hughes, K Trivedi, M Rudrappa
INTRODUCTION: We present a case of disseminated Cryptococcus in a non-HIV host, where the primary manifestation was pulmonary with diffuse pulmonary infiltrates. This patient was on high dose corticosteroids for autoimmune hemolytic anemia. CASE: A 79 year old Caucasian man with a history of autoimmune hemolytic anemia on 100 mg of prednisone daily, coronary artery disease s/p bypass surgery, ischemic cardiomyopathy, chronic obstructive pulmonary disease, sleep apnea, chronic kidney disease, and history of bilateral pulmonary emboli presented to Hematology/Oncology clinic with symptoms of productive cough, worsening shortness of breath, hemoptysis...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28413080/effect-of-oral-exposure-to-artificially-weathered-deepwater-horizon-crude-oil-on-blood-chemistries-hepatic-antioxidant-enzyme-activities-organ-weights-and-histopathology-in-western-sandpipers-calidris-mauri
#10
Steven J Bursian, Karen M Dean, Kendal E Harr, Lisa Kennedy, Jane E Link, Ivan Maggini, Chris Pritsos, Karen L Pritsos, R E Schmidt, Christopher G Guglielmo
Shorebirds were among birds exposed to Mississippi Canyon 252 (MC252) crude oil during the 2010 Deep Water Horizon (DWH) oil spill in the Gulf of Mexico. The western sandpiper (Calidris mauri) was chosen as one of four species for initial oral dosing studies conducted under Phase 2 of the avian toxicity studies for the DWH Natural Resource Damage Assessment (NRDA). Thirty western sandpipers were assigned to one of three treatment groups, 10 birds per group. The control group was sham gavaged and the treatment groups were gavaged with 1 or 5mL oil kg bw(-1) daily for 20 days...
April 13, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28408234/the-acute-hemolytic-anemias-the-importance-of-emergency-diagnosis-and-management
#11
Jennifer J Robertson, Elizabeth Brem, Alex Koyfman
BACKGROUND: Hemolytic anemias are defined by the premature destruction of red blood cells. These anemias have many causes that are mostly due to chronic diseases, but, occasionally, cases of acute life-threatening hemolysis can occur. OBJECTIVE: The objectives of this article were to review the pathophysiology of hemolytic anemias, to discuss the general emergency department (ED) evaluation, and to discuss the assessment and treatment of important and "cannot miss" hemolytic diseases...
April 10, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28406545/diagnosing-nocturnal-paroxysmal-hemoglobinuria-a-single-center-4-year-experience
#12
T Mercier, T Devos, M Mukovnikova, N Boeckx
INTRODUCTION: Paroxysmal nocturnal hemoglobinuria (PNH) is a rare disease and can present as a wide range of signs and symptoms. As such, the indication for diagnostic testing for PNH is not always straightforward. Therefore, we analyzed all first-time samples tested over a 56-month period to determine the clinical settings with a high probability of detecting a PNH clone. METHODS: We retrospectively analyzed 323 first-time PNH flow cytometry tests, including LDH, cytopenias, direct antiglobulin test (DAT), and clinical indication for testing as available at the time of testing...
April 13, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28405337/autoimmune-hemolytic-anemia-associated-with-babesiosis
#13
Roshni Narurkar, Aleksandra Mamorska-Dyga, John C Nelson, Delong Liu
BACKGROUND: Babesiosis is endemic in selected areas in North America. Babesia infection is commonly associated with anemia, thrombocytopenia, hyponatremia and elevated liver enzymes. Autoimmune hemolytic anemia (AIHA) is known to be caused by parasitic and viral infections but has not been well characterized. CASE PRESENTATION: We describe two cases diagnosed with babesiosis triggering severe AIHA. One case had history of splenectomy, and the other was an elderly patient...
2017: Biomarker Research
https://www.readbyqxmd.com/read/28403966/-intrauterine-blood-transfusion-status-report-of-4years-of-practice-in-france-2011-2014
#14
A Girault, S Friszer, E Maisonneuve, L Guilbaud, A Cortey, J-M Jouannic
OBJECTIVES: The aim of our study was to evaluate in utero blood transfusion's (IUT) performed in France, among the French prenatal diagnosis centers in order to study the etiology of severe anemia requiring IUT. METHODS: We conducted a national retrospective descriptive study between 2011 and 2014. The data were collected using a survey sent by email to all French prenatal diagnosis centers. RESULTS: Among the 49 centers, 18 (38 %) had performed at least one IUT during the study period...
February 2017: J Gynecol Obstet Hum Reprod
https://www.readbyqxmd.com/read/28401101/warm-autoimmune-hemolytic-anemia-experience-from-a-single-referral-center-in-mexico-city
#15
Hernandez-Company Alonso, Anguiano-Alvarez Victor Manuel, Carmona Gonzalez Carlos Amir, Rodriguez-Rodriguez Sergio, Pomerantz Allan, Lopez-Karpovitch Xavier, Tuna-Aguilar Elena Juventina
BACKGROUND: Autoimmune hemolytic anemia (AIHA) is characterized by an autoimmune-mediated destruction of red blood cells. Warm AIHA (wAIHA) represents 60% of AIHA cases and is associated with the positive detection of IgG and C3d in the direct antiglobulin test (DAT). This study aimed to assess the clinical and laboratorial differences between primary and secondary wAIHA patients from a referral center in Mexico City. METHODS: All patients diagnosed with wAIHA in our institution from January 1992 to December 2015 were included and received corticosteroids as the first-line treatment...
March 2017: Blood Research
https://www.readbyqxmd.com/read/28400547/anemia-in-thyroid-diseases
#16
Ewelina Szczepanek-Parulska, Aleksandra Hernik, Marek Ruchała
Anemia is a frequent, although often underestimated, clinical condition accompanying thyroid diseases. In spite of the fact that anemia and thyroid dysfunction often occur simultaneously, the causative relationship between these two disorders remains ambiguous. Thyroid hormones stimulate erythrocytes precursors proliferation directly, as well as via erythropoietin production enhancement, whereas iron-deficient anemia negatively influences thyroid hormonal status. Thus, different forms of anemia might emerge in the course of thyroid dysfunction...
March 28, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28399703/value-of-speckle-tracking-echocardiography-for-detection-of-clinically-silent-left-ventricular-dysfunction-in-patients-with-%C3%AE-thalassemia
#17
Mozhgan Parsaee, Sedigheh Saedi, Pegah Joghataei, Azita Azarkeivan, Zahra Alizadeh Sani
OBJECTIVE: β-Thalassemia is an inherited hemoglobin disorder resulting in chronic hemolytic anemia requiring chronic transfusion therapy. Cardiac involvement is the main cause of death in patients with thalassemia major. The narrow border is between overt myocardial dysfunction and clinically silent left ventricular (LV) dysfunction in patients with thalassemia. Therefore, we need novel parameters in different imaging techniques to discover cardiac involvement in an early and subtle stage...
April 12, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/28398821/redox-chemistry-of-hemoglobin-associated-disorders
#18
Leif Bulow, Abdu I Alayash
This Forum addresses oxidative reactions of hemoglobin (Hb) and explores the underlying mechanisms of some of these reactions that contribute to the pathophysiology associated with hemolytic anemias and Hb-based oxygen therapeutics. A special focus of this Forum is on the understanding of naturally occurring mutations in human Hbs and how these mutations were influenced overtime by variety of oxidative stresses. What emerges from these contributions is that some hemoglobinopathies involve mutant Hbs that resist oxidative challenges whereas the majority often result in circulatory disorder...
February 21, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28397508/an-autoimmune-haemolytic-anaemia-secondary-to-ipilimumab-treatment
#19
B Ramos, G Gastal, R K Rovere
BACKGROUND: Melanoma is one of the fastest growing neoplasms worldwide. Treatment of metastatic disease has swiftly shifted in the last decade from generally ineffective chemotherapy regimens to highly effective targeted treatments or immunotherapy, with a range of side effects that differ completely from those of previous treatments for this disease. CASE: We present a case of a 71-year-old man with diagnosis metastatic melanoma. This patient was treated with anti-CTLA-4 antibody ipilimumab...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/28394238/anti-ribosomal-p-antibody-a-multicenter-study-in-childhood-onset-systemic-lupus-erythematosus-patients
#20
C C M Valões, B C Molinari, A C G Pitta, N W S Gormezano, S C L Farhat, K Kozu, A M E Sallum, S Appenzeller, A P Sakamoto, M T Terreri, R M R Pereira, C S Magalhães, J C O A Ferreira, C M Barbosa, F H Gomes, E Bonfá, C A Silva
Objectives Anti-ribosomal P protein (anti-P) autoantibodies are highly specific for systemic lupus erythematosus (SLE). However, the evaluation of this autoantibody in childhood-onset SLE (cSLE) populations has been limited to a few small series, hampering the interpretation of the clinical and laboratorial associations. Therefore, the objective of this multicenter cohort study was to evaluate demographic, clinical/laboratorial features, and disease damage score in cSLE patients with and without the presence of anti-P antibody...
April 2017: Lupus
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