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Hematology

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241 papers 100 to 500 followers
By Ronald Lands Benign hematologist
https://www.readbyqxmd.com/read/28829751/the-older-the-faster-aged-neutrophils-in-inflammation
#1
Elzbieta Kolaczkowska
No abstract text is available yet for this article.
November 10, 2016: Blood
https://www.readbyqxmd.com/read/28809726/clinical-and-laboratory-associations-with-persistent-hyperferritinemia-in-373-black-hemochromatosis-and-iron-overload-screening-study-participants
#2
James C Barton, J Clayborn Barton, Paul C Adams
BACKGROUND: 373 black participants had elevated screening and post-screening serum ferritin (SF) (> 300 μg/L men; > 200 μg/L women). MATERIAL AND METHODS: We retrospectively studied SF and post-screening age; sex; body mass index; transferrin saturation (TS); ALT; AST; GGT; elevated C-reactive protein; ß-thalassemia; neutrophils; lymphocytes; monocytes; platelets; metacarpophalangeal joint hypertrophy; hepatomegaly; splenomegaly; diabetes; HFE H63D positivity; iron/alcohol intakes; and blood/erythrocyte transfusion units...
September 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/26209894/eosinophilia-in-hematologic-disorders
#3
REVIEW
Lorenzo Falchi, Srdan Verstovsek
Eosinophilia in the peripheral blood can be the manifestation various medical conditions, including benign or malignant disorders. There are 3 main types of eosinophilia-associated myeloid neoplasms (MN-eos): myeloid and lymphoid neoplasms, chronic eosinophilic leukemia not otherwise specified, and idiopathic hypereosinophilic syndrome (HES). Imatinib mesylate has revolutionized the treatment of molecularly defined MN-eos, and novel agents have been successfully used to treat HES. The discovery of new, recurrent molecular alterations in patients with MN-eos may improve their diagnosis and therapy...
August 2015: Immunology and Allergy Clinics of North America
https://www.readbyqxmd.com/read/28028030/myeloid-neoplasms-with-eosinophilia
#4
REVIEW
Andreas Reiter, Jason Gotlib
Molecular diagnostics has generated substantial dividends in dissecting the genetic basis of myeloid neoplasms with eosinophilia. The family of diseases generated by dysregulated fusion tyrosine kinase (TK) genes is recognized by the World Health Organization (WHO) category, "Myeloid/lymphoid neoplasms with eosinophilia and rearrangement of PDGFRA, PDGFRB, or FGFR1, or with PCM1-JAK2" In addition to myeloproliferative neoplasms (MPN), these patients can present with myelodysplastic syndrome/MPN, as well as de novo or secondary mixed-phenotype leukemias or lymphomas...
February 9, 2017: Blood
https://www.readbyqxmd.com/read/28680366/fatal-pulmonary-embolism-following-splenectomy-in-a-patient-with-evan-s-syndrome-case-report-and-review-of-the-literature
#5
Varun Monga, Seth M Maliske, Usha Perepu
BACKGROUND: Evans syndrome (ES) is a rare disease characterized by simultaneous or sequential development of autoimmune hemolytic anemia (AIHA) and immune thrombocytopenia (ITP) with or without immune neutropenia. Splenectomy is one of the treatment options for disease refractory to medical therapy. Venous thromboembolism (VTE) following splenectomy for hematological diseases has an incidence of 10%. CASE PRESENTATION: Here we describe a case report of a young patient hospitalized with severe hemolytic anemia with Hgb 4...
2017: Thrombosis Journal
https://www.readbyqxmd.com/read/28741899/what-the-neighbors-say
#6
EDITORIAL
(no author information available yet)
No abstract text is available yet for this article.
July 25, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28662310/thrombotic-thrombocytopenic-purpura-pathogenesis-diagnosis-and-potential-novel-therapeutics
#7
REVIEW
M Saha, J K McDaniel, X L Zheng
Thrombotic thrombocytopenic purpura (TTP), a potentially fatal clinical syndrome, is primarily caused by autoantibodies against the von Willebrand factor (VWF)-cleaving metalloprotease ADAMTS-13. In general, severe deficiency of plasma ADAMTS-13 activity (< 10 IU dL(-1) ) with or without detectable inhibitory autoantibodies against ADAMTS-13 supports the diagnosis of TTP. A patient usually presents with thrombocytopenia and microangiopathic hemolytic anemia (i.e. schistocytes, elevated serum lactate dehydrogenase, decreased hemoglobin and haptoglobin) without other known etiologies that cause thrombotic microangiopathy (TMA)...
June 29, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28655976/iron-deficiency-anemia-in-chronic-liver-disease-etiopathogenesis-diagnosis-and-treatment
#8
REVIEW
Eleana Gkamprela, Melanie Deutsch, Dimitrios Pectasides
Chronic liver disease is accompanied by multiple hematological abnormalities. Iron deficiency anemia is a frequent complication of advanced liver disease. The etiology is multifactorial, mostly due to chronic hemorrhage into the gastrointestinal tract. The diagnosis of iron deficiency anemia is very challenging, as simple laboratory methods, including serum iron, ferritin, transferrin saturation (Tsat), and mean corpuscular volume are affected by the liver disease itself or the cause of the disease, resulting in difficulty in the interpretation of the results...
2017: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/22367928/hitlights-a-career-perspective-on-heparin-induced-thrombocytopenia
#9
REVIEW
Theodore E Warkentin
Two decades of research into heparin-induced thrombocytopenia (HIT) permit a personal historical perspective on this fascinating syndrome. Previously, the frequency of HIT was unknown, although complicating thrombosis was believed to be rare and primarily arterial. The opportunity to apply a remarkable test for "HIT antibodies"--the (14) C-serotonin-release assay (SRA)--to serial plasma samples obtained during a clinical trial of heparin thromboprophylaxis, provided insights into the peculiar nature of HIT, such as, its prothrombotic nature--including its strong association with venous thrombosis (RR = 11...
May 2012: American Journal of Hematology
https://www.readbyqxmd.com/read/28615223/daratumumab-yields-rapid-and-deep-hematologic-responses-in-patients-with-heavily-pretreated-al-amyloidosis
#10
Gregory P Kaufman, Stanley L Schrier, Richard A Lafayette, Sally Arai, Ronald M Witteles, Michaela Liedtke
The majority of patients with immunoglobulin light chain amyloidosis (AL) fail to achieve a complete response (CR) to standard light chain suppressive chemotherapy, and almost all patients eventually experience hematologic relapse and progression of organ involvement. Additional well-tolerated treatment options are needed. We present our retrospective experience of 25 consecutive previously treated AL patients who received daratumumab, a CD38-directed monoclonal antibody approved for the treatment of multiple myeloma...
August 17, 2017: Blood
https://www.readbyqxmd.com/read/28483766/how-i-treat-recurrent-venous-thromboembolism-in-patients-receiving-anticoagulant-therapy
#11
REVIEW
Sam Schulman
Oral anticoagulant therapy for venous thromboembolism is very effective. When oral anticoagulants are managed well, the risk of recurrence is approximately 2 per 100 patient-years. The main reasons for a breakthrough event are underlying disease and subtherapeutic drug levels. The most common underlying disease that results in recurrence on treatment is cancer. Subtherapeutic drug levels can be caused by poor adherence to the drug regimen, interactions with other drugs or food, or inappropriate dosing. It is important to investigate and understand the cause whenever such an event occurs and to improve management of anticoagulants thereby avoiding further recurrences...
June 22, 2017: Blood
https://www.readbyqxmd.com/read/28416508/hus-and-atypical-hus
#12
REVIEW
T Sakari Jokiranta
Hemolytic uremic syndrome (HUS) is a thrombotic microangiopathy characterized by intravascular hemolysis, thrombocytopenia, and acute kidney failure. HUS is usually categorized as typical, caused by Shiga toxin-producing Escherichia coli (STEC) infection, as atypical HUS (aHUS), usually caused by uncontrolled complement activation, or as secondary HUS with a coexisting disease. In recent years, a general understanding of the pathogenetic mechanisms driving HUS has increased. Typical HUS (ie, STEC-HUS) follows a gastrointestinal infection with STEC, whereas aHUS is associated primarily with mutations or autoantibodies leading to dysregulated complement activation...
May 25, 2017: Blood
https://www.readbyqxmd.com/read/28473904/from-chronic-immune-thrombocytopenia-to-severe-aplastic-anemia-recent-insights-into-the-evolution-of-eltrombopag
#13
REVIEW
Harinder Gill, Raymond S M Wong, Yok-Lam Kwong
Thrombopoietin (TPO) is the most potent cytokine stimulating thrombopoiesis. Therapy with exogenous TPO is limited by the formation of antibodies cross-reacting with endogenous TPO. Mimetics of TPO are compounds with no antigenic similarity to TPO. Eltrombopag is an orally-active nonpeptide small molecule that binds to the transmembrane portion of the TPO receptor MPL. Initial trials of eltrombopag have centered on immune thrombocytopenia (ITP), which is due to both increased destruction and decreased production of platelets...
May 2017: Therapeutic Advances in Hematology
https://www.readbyqxmd.com/read/28482851/checkpoint-inhibitors-in-hematological-malignancies
#14
REVIEW
Chi Young Ok, Ken H Young
Inhibitory molecules such as PD-1, CTLA-4, LAG-3, or TIM-3 play a role to keep a balance in immune function. However, many cancers exploit such molecules to escape immune surveillance. Accumulating data support that their functions are dysregulated in lymphoid neoplasms, including plasma cell myeloma, myelodysplastic syndrome, and acute myeloid leukemia. In lymphoid neoplasms, aberrations in 9p24.1 (PD-L1, PD-L2, and JAK2 locus), latent Epstein-Barr virus infection, PD-L1 3'-untranslated region disruption, and constitutive JAK-STAT pathway are known mechanisms to induce PD-L1 expression in lymphoma cells...
May 8, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/24869910/a-case-of-unprovoked-venous-thromboembolism-in-a-marathon-athlete-presenting-atypical-sequelae-what-are-the-chances
#15
C M Hull, C L Hopkins, N J Purdy, R C Lloyd, J A Harris
Marathon runners are exposed to multiple thrombogenic risk factors including dehydration and hemoconcentration, injury and inflammation, long-distance travel between events, and contraceptive usage. However, despite awareness about thromboembolism and several case reports detailing life-threatening hypercoagulopathies in athletes, the prevalence of venous thromboembolism in marathon runners remains uncharted. There is a lack of data and evidence-based guidelines for these athletes and for healthcare providers, including general medical practitioners and sports physicians...
October 2015: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/27037607/multiple-pulmonary-embolisms-in-a-male-marathon-athlete-is-intense-endurance-exercise-a-real-thrombogenic-risk
#16
M Sanz de la Garza, A Lopez, M Sitges
Intense endurance exercise could be associated with multiple thrombogenic risk factors, including dehydration, hemoconcentration, inflammation, and injuries. Despite an increasing number of reported cases of deep venous thrombosis (DVT) in athletes that is raising awareness in the medical community, the prevalence is not well established and evidenced-based guidelines for management of this clinical scenario are lacking. We present an episode of unprovoked DVT and multiple pulmonary embolisms with severe right ventricular dysfunction in a male runner...
May 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/14980135/hypercoagulability-in-athletes
#17
REVIEW
Christopher Meyering, Thomas Howard
Risk factors for thromboembolism are well known, and athletes are placed under conditions that can result in exposure to several of these risk factors, which include travel, trauma, immobilization, hemoconcentration, and polycythemia. Presence of a genetic hypercoagulable disorder adds additional risk. Overall management is no different than in nonathletes. Thrombolysis is strongly recommended for upper extremity deep venous thrombosis (DVT) coupled with surgical decompression of obstructive structures if indicated...
April 2004: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/23378374/venous-thrombosis-in-athletes
#18
REVIEW
Gregory Grabowski, William K Whiteside, Michael Kanwisher
Because deep vein thrombosis (DVT) can occur following orthopaedic procedures, knowledge of hereditary and acquired risk factors for DVT is essential. Hereditary forms of thrombophilia include factor V Leiden and prothrombin G20210A mutations, and deficiencies of antithrombin III, protein C, and protein S. Acquired risk factors include but are not limited to trauma, immobilization, and surgical procedures. In general, athletes have a low risk of venous thrombosis; however, this population is exposed to many acquired thrombogenic risk factors, including hemoconcentration, trauma, immobilization, long-distance travel, and the use of oral contraceptives...
February 2013: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28360040/vitamin-b12-deficiency-from-the-perspective-of-a-practicing-hematologist
#19
REVIEW
Ralph Green
B12 deficiency is the leading cause of megaloblastic anemia, and although more common in the elderly, can occur at any age. Clinical disease caused by B12 deficiency usually connotes severe deficiency, resulting from a failure of the gastric or ileal phase of physiological B12 absorption, best exemplified by the autoimmune disease pernicious anemia. There are many other causes of B12 deficiency, which range from severe to mild. Mild deficiency usually results from failure to render food B12 bioavailable or from dietary inadequacy...
May 11, 2017: Blood
https://www.readbyqxmd.com/read/22160027/is-thrombophilia-testing-useful
#20
REVIEW
Saskia Middeldorp
Thrombophilia is found in many patients presenting with venous thromboembolism (VTE). However, whether the results of such tests help in the clinical management of such patients has not been determined. Thrombophilia testing in asymptomatic relatives may be useful in families with antithrombin, protein C, or protein S deficiency or homozygosity for factor V Leiden, but is limited to women who intend to become pregnant or who would like to use oral contraceptives. Careful counseling with knowledge of absolute risks helps patients in making an informed decision in which their own preferences can be taken into account...
2011: Hematology—the Education Program of the American Society of Hematology
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