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https://www.readbyqxmd.com/read/27900761/the-effect-of-iron-balance-on-platelet-counts-in-blood-donors
#1
Anne F Eder, Yu Ying Yau, Kamille West
BACKGROUND: Thrombocytosis (or, less commonly, thrombocytopenia) is associated with iron-deficiency anemia and resolves with iron therapy. Many volunteer blood donors have low iron stores, with or without anemia. Iron balance could affect platelet counts in blood donors. STUDY DESIGN AND METHODS: Whole blood donors deferred for finger-stick hemoglobin levels less than 12.5 g/dL were evaluated by complete blood count and serum iron panel before and after oral iron treatment...
November 29, 2016: Transfusion
https://www.readbyqxmd.com/read/27895669/myeloproliferative-disease-an-unusual-cause-of-raynaud-s-phenomenon-and-digital-ischaemia
#2
Celia Beynon, Gwenan Huws, Tom Lawson
We describe a 59-year-old female who presented with ischaemic digits, preceded by a 6-month history of Raynaud's phenomenon affecting her fingers and toes. There were no clinical or laboratory features of primary vasculitis or connective tissue disease, Doppler imaging was normal, and bloods were unremarkable aside from a platelet count of 786 × 109/L (150-400) and white cells of 16 × 109/L (4-11). In view of the thrombocytosis a JAK2 mutation assay was requested which confirmed a JAK2 V617F mutation, suggesting essential thrombocytosis (ET) as the cause...
2016: Case Reports in Medicine
https://www.readbyqxmd.com/read/27881012/elevated-aspartate-aminotransferase-and-monocyte-counts-predict-unfavorable-prognosis-in-patients-with-malignant-pleural-mesothelioma
#3
A Zhang, S Cao, S Jin, J Cao, J Shen, B Pan, R Zhu, Y Yu
Limited biomarkers predicting prognosis of malignant pleural mesothelioma (MPM) have been identified. The present study aims to assess potential laboratory prognostic factors of MPM. We retrospectively reviewed the clinical data of 105 patients with MPM. The overall survival and prognostic factors were assessed by Kaplan-Meier curves and Cox regression analysis. A receiver operating characteristic (ROC) curve analysis was performed to determine the optimal cut-off values. The mean age of the 105 patients (62 men, 43 women) was 56...
November 24, 2016: Neoplasma
https://www.readbyqxmd.com/read/27879260/antibiotics-impair-murine-hematopoiesis-by-depleting-intestinal-microbiota
#4
Kamilla S Josefsdottir, Megan T Baldridge, Claudine S Kadmon, Katherine Y King
Bone marrow suppression is an adverse effect associated with many antibiotics, especially when administered for prolonged treatment courses. Recent advances in our understanding of steady-state hematopoiesis have allowed us to explore the effects of antibiotics on hematopoietic progenitors in detail using a murine model. Antibiotic-treated mice exhibited anemia, thrombocytosis, and leukopenia, with pronounced pan-lymphopenia as demonstrated by flow cytometric analysis of peripheral blood. Bone marrow progenitor analysis revealed depletion of hematopoietic stem cells and multipotent progenitors across all subtypes...
November 22, 2016: Blood
https://www.readbyqxmd.com/read/27870069/suspected-myelodysplastic-myeloproliferative-neoplasm-in-a-feline-leukemia-virus-negative-cat
#5
Amy L Weeden, Kyle R Taylor, Scott P Terrell, Alexander E Gallagher, Heather L Wamsley
A 10-year-old castrated Domestic Short-Haired cat was presented to a primary care veterinarian for a wellness examination and laboratory examination for monitoring of diabetes mellitus. The CBC revealed marked thrombocytosis, leukopenia and macrocytic, normochromic anemia. The cat tested negative for FeLV and feline immunodeficiency virus, but was positive for Mycoplasma haemominutum by PCR. Hematologic abnormalities were not responsive to therapy, so a repeat CBC and a bone marrow aspiration for cytology were performed...
November 21, 2016: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/27870058/iron-deficiency-and-thrombocytosis
#6
A Holbro, T Volken, A Buser, J P Sigle, J P Halter, J R Passweg, A Tichelli, L Infanti
According to many textbooks, iron deficiency (ID) is associated with reactive thrombocytosis. In this study, we aimed to investigate the correlation between serum ferritin levels and platelet counts in a large cohort of healthy blood donors. We included all whole blood and apheresis donors aged 18 years or older with at least one ferritin measurement and one platelet count performed at the same visit between 1996 and 2014. A total of 130 345 blood counts and ferritin measurements obtained from 22 046 healthy donors were analysed...
November 21, 2016: Vox Sanguinis
https://www.readbyqxmd.com/read/27866579/polycythemia-and-thrombocytosis
#7
REVIEW
Aric Parnes, Arvind Ravi
Myeloproliferative neoplasms (MPNs) are diseases of excess cell proliferation from bone marrow precursors. Two classic MPNs, polycythemia vera (PV) and essential thrombocytosis (ET), are conditions of excess proliferation of red blood cells and platelets, respectively. Although PV and ET involve different cells in the myeloid lineage, their clinical presentations have shared features, consistent with overlapping mutations in growth factor signaling. The management of both diseases involves minimizing the risk of thrombotic and hemorrhagic complications...
December 2016: Primary Care
https://www.readbyqxmd.com/read/27866514/-paraneoplastic-leukocytosis-and-thrombocytosis-as-prognostic-biomarkers-in-non-small-cell-lung-cancer
#8
Prajwal Boddu, Dana Villlines, Mebea Aklilu
BACKGROUND: Search for inexpensive laboratory markers have identified associations between blood counts and lung cancer outcomes. In this study, we evaluated the prognostic value of paraneoplastic leukocytosis (p-Leukocytosis) and paraneoplastic thrombocytosis (p-Thrombocytosis) in patients with non-small cell lung cancer (NSCLC). We also studied their relation to the expression of commonly detected molecular markers. METHODS: We conducted a retrospective chart review on 571 consecutive NSCLC patients over a 10 year period...
November 20, 2016: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/27865939/c-reactive-protein-response-is-higher-in-early-than-in-late-ovarian-hyperstimulation-syndrome
#9
Kati V M Korhonen, Hanna M Savolainen-Peltonen, Tomi S Mikkola, Aila E Tiitinen, Leila S Unkila-Kallio
OBJECTIVES: Many in vitro fertilization (IVF) complications are inflammatory by nature, some of which are even life-threatening. We evaluated the response of C-reactive protein (CRP) in IVF complications, especially in early and late ovarian hyperstimulation syndrome (OHSS), to support clinical decision making in gynecological emergency policlinics. STUDY DESIGN: In a prospective two-year study at Helsinki University Hospital, Finland, we recruited patients with IVF complications including moderate or severe OHSS (n=47 patients: 36 early and 14 late OHSS cases), or other IVF complications (n=13)...
October 31, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/27855276/detection-of-calr-and-mpl-mutations-in-low-allelic-burden-jak2-v617f-essential-thrombocythemia
#10
Fabrice Usseglio, Nathalie Beaufils, Anne Calleja, Sophie Raynaud, Jean Gabert
Myeloproliferative neoplasms are clonal hematopoietic stem cell disorders characterized by aberrant proliferation and an increased tendency toward leukemic transformation. The genes JAK2, MPL, and CALR are frequently altered in these syndromes, and their mutations are often a strong argument for diagnosis. We analyzed the mutational profiles of these three genes in a cohort of 164 suspected myeloproliferative neoplasms. JAK2 V617F mutation was detected by real-time PCR, whereas high-resolution melting analysis followed by Sanger sequencing were used for searching for mutations in JAK2 exon 12, CALR, and MPL...
November 14, 2016: Journal of Molecular Diagnostics: JMD
https://www.readbyqxmd.com/read/27848258/pretreatment-thrombocytosis-as-a-significant-prognostic-factor-in-malignant-mesothelioma-a-meta-analysis
#11
Yi Zhuo, Lanying Lin, Mingwei Zhang
The current meta-analysis analyzed the prognostic impact of elevated platelet count before the treatment of malignant mesothelioma (MM). We performed a search for articles published up to April 15, 2016 in PubMed, MEDLINE, EMBASE, and Web of Science, which evaluated elevated platelet count and survival outcome of MM. STATA version 12 was used for statistical analysis. The pooled hazard ratios (HRs) and their 95% confidence intervals (CIs) were combined to calculate overall effects. The assessment of heterogeneity was tested by the Cochran Q and I(2) statistics...
November 16, 2016: Platelets
https://www.readbyqxmd.com/read/27832554/association-between-functional-iron-deficiency-and-reactive-thrombocytosis-in-hospitalised-patients-a-case-control-study
#12
H Nicola, K M Ho, F Cordingley
The association of deficiency in total body iron with an increased risk of reactive thrombocytosis is well known, but whether 'functional iron deficiency' is also associated with reactive thrombocytosis is unknown. This retrospective case-control study assessed the relationships between functional iron deficiency, reactive thrombocytosis and risk of thromboembolism. A total of 150 patients with reactive thrombocytosis (platelet count >400 x 10<sup>9</sup>/l) and 343 controls (platelet count <400 x 10<sup>9</sup>/l) were selected from the hospital laboratory database system...
November 2016: Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/27825182/practical-aspects-of-monitoring-of-antiplatelet-therapy
#13
Ljubica Jovanovic, Nebojsa Antonijevic, Tina Novakovic, Nebojsa Savic, Branka Terzic, Ivana Zivkovic, Nebojsa Radovanovic, Milika Asanin
Despite the application of new antiplatelet drugs (prasugrel and ticagrelor), dual antiplatelet therapy with clopidogrel and aspirin remains the standard for patients with acute coronary syndrome undergoing percutaneous coronary intervention, especially in countries of low socioeconomic status. Regardless of the proven benefits, numerous studies have shown that certain groups of patients who receive standard doses of clopidogrel and aspirin do not respond adequately, and many of them also exhibit adverse cardiovascular events...
November 8, 2016: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/27824543/giant-cell-arteritis-and-polymyalgia-rheumatica-2016-update
#14
REVIEW
Gideon Nesher, Gabriel S Breuer
Giant cell arteritis (GCA) and polymyalgia rheumatica (PMR) are both more common among people of North European decent than among Mediterranean people. Women are 2-3 times more commonly affected. Giant cell arteritis and PMR are extremely rare before age 50 years. Polymyalgia rheumatica may be "isolated" or associated with GCA. There is increased expression of inflammatory cytokines in temporal arteries of PMR patients, without overt histological evidence of arteritis. One-third of "isolated" PMR patients have vascular uptake in positron emission tomography (PET) scans, suggesting clinically unrecognized, "hidden" GCA...
October 31, 2016: Rambam Maimonides Medical Journal
https://www.readbyqxmd.com/read/27812394/balancing-therapy-with-thrombopoietin-receptor-agonists-and-splenectomy-in-refractory-immune-thrombocytopenic-purpura-a-case-of-postsplenectomy-thrombocytosis-requiring-plateletpheresis
#15
Jacquelyn Zimmerman, Kelly J Norsworthy, Robert Brodsky
Immune thrombocytopenic purpura (ITP) causes thrombocytopenia through the autoimmune destruction of platelets. Corticosteroids remain the first line of therapy, and traditionally splenectomy has been the second. While the availability of thrombopoietin receptor agonists (TPO-RAs) has expanded treatment options, there is little data for the ideal management of these agents in preparation for splenectomy. Thrombocytosis has been reported after splenectomy in patients treated with TPO-RA preoperatively, with one prior case requiring plateletpheresis for symptomatic thrombocytosis...
2016: Case Reports in Hematology
https://www.readbyqxmd.com/read/27807503/clinical-management-of-myelodysplastic-syndrome-myeloproliferative-neoplasm-overlap-syndromes
#16
Joseph A Clara, David A Sallman, Eric Padron
The myelodysplastic/myeloproliferative neoplasms (MDS/MPNs) are a unique group of hematologic malignancies characterized by concomitant myelodysplastic and myeloproliferative features. According to the 2008 WHO classification, the category includes atypical chronic myeloid leukemia (aCML), chronic myelomonocytic leukemia (CMML), juvenile myelomonocytic leukemia (JMML), MDS/MPN-unclassifiable (MDS/MPN-U), and the provisional entity refractory anemia with ring sideroblasts and thrombocytosis (RARS-T). Although diagnosis currently remains based on clinicopathologic features, the incorporation of next-generation platforms has allowed for the recent molecular characterization of these diseases which has revealed unique and complex mutational profiles that support their distinct biology and is anticipated to soon play an integral role in diagnosis, prognostication, and treatment...
September 2016: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/27807369/calreticulin-mutant-mice-develop-essential-thrombocythemia-that-is-ameliorated-by-the-jak-inhibitor-ruxolitinib
#17
K Shide, T Kameda, T Yamaji, M Sekine, N Inada, A Kamiunten, K Akizuki, K Nakamura, T Hidaka, Y Kubuki, H Shimoda, A Kitanaka, A Honda, A Sawaguchi, H Abe, T Miike, H Iwakiri, Y Tahara, M Sueta, S Hasuike, S Yamamoto, K Nagata, K Shimoda
Mutations of calreticulin (CALR) are detected in 25-30% of patients with essential thrombocythemia or primary myelofibrosis, and cause frameshifts that result in proteins with a novel C-terminal. We demonstrate that CALR mutations activated STAT5 in 293T cells in the presence of thrombopoietin receptor (MPL). Human megakaryocytic CMK11-5 cells and erythroleukemic F-36P-MPL cells with knocked-in CALR mutations showed increased growth and acquisition of cytokine-independent growth, respectively, accompanied by STAT5 phosphorylation...
November 3, 2016: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/27797233/poor-prognosis-significance-of-pretreatment-thrombocytosis-in-patients-with-colorectal-cancer-a-meta-analysis
#18
Jian-Meng Zhao, Yong-Hong Wang, Nan Yao, Kong-Kong Wei, Lei Jiang, Shahbaz Hanif, Zi-Xia Wang
BACKGROUND: Recently, several studies have reported that elevated platelet counts may be associated with the poor prognosis of colorectal cancer. However, conclusions remain controversial. This meta-analysis was therefore designed to analyze and evaluate the prognostic role of preoperative or pretreatment thrombocytosis in patients with colorectal cancer. MATERIALS AND METHODS: We searched PubMed, EMBASE, the Cochrane Library and Web of Science to March 29th, 2015...
2016: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/27785058/association-of-preoperative-levels-of-selected-blood-inflammatory-markers-with-prognosis-in-gliomas
#19
Raushan Auezova, Nurzhan Ryskeldiev, Aidos Doskaliyev, Yerbol Kuanyshev, Berik Zhetpisbaev, Nurgul Aldiyarova, Natalia Ivanova, Serik Akshulakov, Lizette Auezova
BACKGROUND: Red cell distribution width (RDW), neutrophil-lymphocyte ratio (NLR), and platelet count (PLT) routinely tested as part of the complete blood count are indicative of systemic inflammation. The prognostic significance of NLR and PLT in cancer was demonstrated in many studies while the role of RDW has been hardly investigated. The present study aimed to assess the association of RDW, NLR, and PLT with survival and tumor grade in glioma patients. METHODS: Clinical data from 178 patients with primary gliomas treated in a single institution were retrospectively analyzed...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27777768/jak2-v617f-mutation-multiple-hematologic-and-non-hematologic-processes-an-association
#20
Kenneth G Liu, Amit Verma, Olga Derman, Noah Kornblum, Murali Janakiram, Ira Braunschweig, Ramakrishna Battini
BACKGROUND: Population studies showed that patients with JAK2 V617F mutation had increased mortality, and increased risk of any cancer, hematologic cancer, and myeloproliferative disease. CASE PRESENTATION: A 68-year-old Asian male with JAK2 V617F mutation developed four different hematologic and non-hematologic neoplastic processes. In 2009, he was diagnosed with stage IA lung adenocarcinoma and also noted to have worsening leukocytosis and thrombocytosis with peak platelet count of 1,054,000/mL)...
2016: Biomarker Research
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