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https://www.readbyqxmd.com/read/28638678/detailed-features-of-hematological-involvement-and-medication-induced-cytopenia-in-systemic-lupus-erythematosus-patients-single-center-results-of-221-patients
#1
Hava Üsküdar Teke, Döndü Üsküdar Cansu, Cengiz Korkmaz
OBJECTIVE: Systemic lupus erythematosus (SLE) may affect a number of systems, with the hematological system being one of the most common. Our aim is to determine the existence of cytopenia at diagnosis or during follow-up of our SLE patients as well as the associated factors. MATERIAL AND METHODS: A cohort of SLE patients that had been followed-up in the Department of Rheumotology from 1998 to 2015 was retrospectively assessed. Clinical and laboratory findings about the patients were recorded...
June 2017: European Journal of Rheumatology
https://www.readbyqxmd.com/read/28637667/thrombocytopenia-in-pregnancy
#2
Douglas B Cines, Lisa D Levine
Thrombocytopenia develops in 5-10% of women during pregnancy or in the immediate post-partum period. A low platelet count is often an incidental feature, but it can also provide a biomarker of a coexisting systemic or gestational disorder and a potential reason for a maternal intervention or treatment that might pose harm to the fetus. This chapter reflects our approach to these issues with an emphasis on advances in understanding and managing the more common causes of thrombocytopenia in pregnancy made over the past 5-10 years...
June 21, 2017: Blood
https://www.readbyqxmd.com/read/28634754/value-of-endometrial-thickness-assessed-by-transvaginal-ultrasound-for-the-prediction-of-endometrial-cancer-in-patients-with-postmenopausal-bleeding
#3
Amelie Schramm, Florian Ebner, Emanuel Bauer, Wolfgang Janni, Ulrike Friebe-Hoffmann, Miriam Pellegrino, Nikolaus De Gregorio, Thomas W P Friedl
PURPOSE: Histological confirmation of endometrial cancer by dilatation/curettage (D/C) in women with postmenopausal bleeding (PMB) can be challenging due to anesthesiological and/or surgical risks. Thus, less invasive methods for diagnostics are required to identify patients with minimal risk for endometrial cancer (EC) to avoid unnecessary surgical intervention. The objective of this single-center cohort study was to assess the diagnostic validity of transvaginal ultrasound (TVUS) measurements of endometrial thickness (ET) in patients with PMB for the detection of EC...
June 20, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28629591/peptide-antibodies-in-clinical-laboratory-diagnostics
#4
Nicole H Trier, Gunnar Houen
Peptide antibodies, with their high specificities and affinities, are invaluable reagents for peptide and protein recognition in biological specimens. Depending on the application and the assay, in which the peptide antibody is to used, several factors influence successful antibody production, including peptide selection and antibody screening. Peptide antibodies have been used in clinical laboratory diagnostics with great success for decades, primarily because they can be produced to multiple targets, recognizing native wildtype proteins, denatured proteins, and newly generated epitopes...
2017: Advances in Clinical Chemistry
https://www.readbyqxmd.com/read/28622783/-biological-diagnosis-of-iron-deficiency-in-children
#5
I Thuret
Measurement of serum ferritin (SF) is currently the laboratory test recommended for diagnosing iron deficiency. In the absence of an associated disease, a low SF value is an early and highly specific indicator of iron deficiency. The WHO criteria proposed to define depleted storage iron are 12μg/L for children under 5 years and 15μg/L for those over 5 years. A higher threshold of 30μg/L is used in the presence of infection or inflammation. Iron deficiency anemia, with typical low mean corpuscular volume and mean corpuscular hemoglobin, is only present at the end stage of iron deficiency...
May 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28621800/a-consensus-review-on-malignancy-associated-hemophagocytic-lymphohistiocytosis-in-adults
#6
REVIEW
Naval Daver, Kenneth McClain, Carl E Allen, Sameer A Parikh, Zaher Otrock, Cristhiam Rojas-Hernandez, Boris Blechacz, Sa Wang, Milen Minkov, Michael B Jordan, Paul La Rosée, Hagop M Kantarjian
Hemophagocytic lymphohistiocytosis (HLH) is a syndrome of severe immune activation and dysregulation resulting in extreme and often life-threatening inflammation. HLH has been well recognized in pediatric populations, and most current diagnostic and therapeutic guidelines are based on pediatric HLH. Recently there has been recognition of HLH in adults, especially secondary to immune deregulation by an underlying rheumatologic, infectious, or malignant condition. This review is focused on malignancy-associated HLH (M-HLH), in which possible mechanisms of pathogenesis include severe inflammation, persistent antigen stimulation by the tumor cells, and loss of immune homeostasis because of chemotherapy, hematopoietic stem cell transplantation, or infection...
June 16, 2017: Cancer
https://www.readbyqxmd.com/read/28620491/pseudo-thrombotic-thrombocytopenic-purpura-presenting-as-multi-organ-dysfunction-syndrome-a-rare-complication-of-pernicious-anemia
#7
Saroj Kandel, Nibash Budhathoki, Shanta Pandey, Bikash Bhattarai, Aam Baqui, Ramesh Pandey, Divya Salhan, Danilo Enriquez, Joseph Quist, Frances M Schmidt
OBJECTIVE: We present a rare case of pernicious anemia presented as multi-organ dysfunction syndrome, later found to have pseudo-thrombotic thrombocytopenic purpura. METHODS: An 86-year-old female presented with respiratory distress, altered mental status, acute renal failure and was intubated in emergency room. She was found to have severe anemia, thrombocytopenia, high lactate, high lactate dehydrogenase and low haptoglobin. Peripheral smear revealed multilobulated neutrophils with schistocytes, poikilocytes and anisocytes...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28609534/effect-of-low-dose-ferrous-sulfate-vs-iron-polysaccharide-complex-on-hemoglobin-concentration-in-young-children-with-nutritional-iron-deficiency-anemia-a-randomized-clinical-trial
#8
Jacquelyn M Powers, George R Buchanan, Leah Adix, Song Zhang, Ang Gao, Timothy L McCavit
Importance: Iron-deficiency anemia (IDA) affects millions of persons worldwide, and is associated with impaired neurodevelopment in infants and children. Ferrous sulfate is the most commonly prescribed oral iron despite iron polysaccharide complex possibly being better tolerated. Objective: To compare the effect of ferrous sulfate with iron polysaccharide complex on hemoglobin concentration in infants and children with nutritional IDA. Design, Setting, and Participants: Double-blind, superiority randomized clinical trial of infants and children aged 9 to 48 months with nutritional IDA (assessed by history and laboratory criteria) that was conducted in an outpatient hematology clinic at a US tertiary care hospital from September 2013 through November 2015; 12-week follow-up ended in January 2016...
June 13, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28609162/usefulness-of-thresholds-for-smear-review-of-neutropenic-samples-analyzed-with-a-sysmex-xn-10-analyzer
#9
Emily Ronez, Carole Geara, Sylvie Coito, Hugues Jacqmin, Edouard Cornet, Xavier Troussard, Bernard Chatelain, François Mullier
Neutropenia is one of the main criteria for a blood smear review. The objective of this study was to compare the thresholds proposed by the international consensus group for hematology review (1.0 10(9)/L) and the French speaking Group for Cellular Haematology (1.5 10(9)/L) in terms of the number of useless smears. We collected 112,097 analyzed samples from four laboratories equipped with XN instruments (Sysmex, Kobe, Japan) during early 2016. The only exclusion criterion was a leucocyte count below 0.5 10(9)/L...
June 13, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28605433/sociodemographic-correlates-of-clinical-laboratory-test-expenditures-in-a-major-canadian-city
#10
Jocelyn Barber, Maggie Guo, Leonard T Nguyen, Roger Thomas, Tanvir Chowdhury Turin, Marcus Vaska, Christopher Naugler
Objectives: The increasing cost of clinical laboratory testing is a challenge in our health care system. This study aims to calculate the annual clinical laboratory test costs attributed to patients in a major Canadian city and to correlate them to their sociodemographic variables. Methods: Retrospective cohort study involving patients who received clinical chemistry, hematology, and microbiology tests in 2011 in Calgary, Canada (n = 610,409). Test volumes were obtained from a laboratory informatics database...
June 12, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28597942/copy-number-alterations-determined-by-single-nucleotide-polymorphism-array-testing-in-the-clinical-laboratory-are-indicative-of-gene-fusions-in-pediatric-cancer-patients
#11
Tracy M Busse, Jacquelyn J Roth, Donna Wilmoth, Luanne Wainwright, Laura Tooke, Jaclyn A Biegel
Gene fusions resulting from structural rearrangements are an established mechanism of tumorigenesis in pediatric cancer. In this clinical cohort, 1,350 single nucleotide polymorphism (SNP)-based chromosomal microarrays from 1,211 pediatric cancer patients were evaluated for copy number alterations (CNAs) associated with gene fusions. Karyotype or fluorescence in situ hybridization studies were performed in 42% of the patients. Ten percent of the bone marrow or solid tumor specimens had SNP array-associated CNAs suggestive of a gene fusion...
June 9, 2017: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/28596658/usefulness-of-reticulocyte-parameters-for-diagnosis-of-hereditary-spherocytosis-in-children
#12
Olga Ciepiela, Anna Adamowicz-Salach, Andżelika Radgowska, Katarzyna Żbikowska, Iwona Kotuła
Innovations in laboratory equipment have enabled a widening of the spectrum of hematological parameters obtained from single measurements of peripheral blood samples, including reticulocyte parameters. The usefulness of reticulocytes indices to confirm the diagnosis of pediatric anemia was analyzed in this study. The study group consisted of 163 children, aged 1 month-17 years, with anemia. Complete blood count extended with an analysis of reticulocyte parameters were measured using a Beckman Coulter LH 750...
June 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/28596226/autoimmune-hemolytic-anemia-associated-with-trimethoprim-sulfamethoxazole-use
#13
Jillian Frieder, Jason Aboudi Mouabbi, Rami Zein, Tariq Hadid
PURPOSE: A case report of drug-induced immune hemolytic anemia (DIIHA) triggered by exposure to trimethoprim-sulfamethoxazole is presented along with a brief review of the pathophysiology of DIIHA and diagnostic considerations. SUMMARY: A 58-year-old woman recently initiated on trimethoprim-sulfamethoxazole for treatment of a urinary tract infection presented to the emergency department with generalized weakness and fatigue. Initial laboratory studies were significant for the following values: hemoglobin concentration, 5...
June 15, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28593926/the-impact-of-pneumatic-tube-system-on-routine-laboratory-parameters-a-systematic-review-and-meta-analysis
#14
REVIEW
Georgia V Kapoula, Panagiota I Kontou, Pantelis G Bagos
BACKGROUND: Pneumatic tube system (PTS) is a widely used method of transporting blood samples in hospitals. The aim of this study was to evaluate the effects of the PTS transport in certain routine laboratory parameters as it has been implicated with hemolysis. METHODS: A systematic review and a meta-analysis were conducted. PubMed and Scopus databases were searched (up until November 2016) to identify prospective studies evaluating the impact of PTS transport in hematological, biochemical and coagulation measurements...
May 5, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28593773/-hellp-syndrome-requiring-therapeutic-plasma-exchange-due-to-progression-to-multiple-organ-dysfunction-syndrome-with-predominant-encephalopathy-respiratory-and-renal-insufficiency
#15
M Trávniková, J Gumulec, Z Kořístek, M Navrátil, M Janáč, J Pelková, P Šuráň, E Doležálková, O Šimetka
OBJECTIVE: Case report of woman with twin pregnancy complicated by HELLP syndrome which progressed to multiple organ dysfunction syndrome with predominant encephalopathy, renal and respiratory insufficiency with the need to perform repeated therapeutic plasma exchange. DESIGN: Case report. SETTING: Department of gynecology and obstetrics, University Hospital in Ostrava; Departmet of hematooncology, University Hospital in Ostrava; Department of gynecology and obstetrics, Vsetín hospital; Department of hematology and transfusion, Vsetín Hospital...
2017: Ceská Gynekologie
https://www.readbyqxmd.com/read/28593741/comparison-of-different-methods-for-telomere-length-measurement-in-whole-blood-and-blood-cell-subsets-recommendations-for-telomere-length-measurement-in-hematological-diseases
#16
Yvonne Lisa Behrens, Kathrin Thomay, Maike Hagedorn, Juliane Ebersold, Lea Henrich, Rainer Nustede, Brigitte Schlegelberger, Gudrun Göhring
Different methods of telomere length measurement are used to identify patients with telomeropathies. In our lab, we established four different methods for telomere length measurement, terminal restriction fragment (TRF) analysis by Southern blot analysis, quantitative PCR (qPCR), quantitative telomere/centromere fluorescence in situ hybridization (T/C-FISH) and fluorescence in situ hybridization combined with flow cytometry (FlowFISH). The methods each have distinct properties and apart from this - according to our experience and data - may have an impact on the individual result...
June 8, 2017: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/28592222/the-feline-blood-film
#17
John W Harvey
Practical relevance: Many veterinary practices have invested in quality automated hematology instruments for use in-house. However, regardless of their specific choice of analyzer, there are important hematology findings that can only be determined by microscopic examination of stained blood films. For this reason, and also for the purpose of quality control for the analyzer, a quick blood film review should be performed alongside every automated complete blood count. Even those practices that submit their blood samples to outside diagnostic laboratories for evaluation, still require the capability to examine stained blood films in emergency situations...
July 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28588796/analysis-of-the-incidence-of-tumor-lysis-syndrome-in-patients-with-hematological-malignancies-treated-with-rasburicase
#18
Eiseki Usami, Michio Kimura, Mina Iwai, Hitomi Teramachi, Tomoaki Yoshimura
The purpose of this study was to assess the incidence of tumor lysis syndrome (TLS) in patients with hematological malignancies treated with rasburicase, and to evaluate the dose and duration of rasburicase administration. A total of 52 patients were enrolled. The background of the patients, incidence of TLS and laboratory data were retrospectively examined; in addition, the dose and duration of rasburicase administration and the factors affecting the onset of TLS were evaluated and compared among TLS risk categories...
June 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28587951/treatment-na%C3%A3-ve-spontaneous-tumor-lysis-syndrome-in-metastatic-prostate-adenocarcinoma-an-unusual-suspect
#19
Maya Ignaszewski, Patrick Kohlitz
Tumor lysis syndrome (TLS) is a potentially fatal condition defined both by laboratory and clinical criteria. It is caused by the catabolism of tumor cells which leads to considerable release and elevated levels of phosphate, potassium and uric acid in the bloodstream. These electrolyte derangements predispose patients to renal tubule uric acid precipitation, acute kidney injury, arrhythmias, neuromuscular irritability and even seizures. Although this phenomenon is well described with hematological malignancies, it is also known to occur among solid tumors...
May 26, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28587611/chronic-recurrent-multifocal-osteomyelitis-beginning-with-a-solitary-lesion-of-the-ilium
#20
Ping Zhang, Xiao Ying Jia, Yun Zhang, John Morelli, Ze Kun Zhang
BACKGROUND: Chronic recurrent multifocal osteomyelitis (CRMO) is an idiopathic inflammatory disease. The initial lesions are typically found in the metaphyses, generally without periosteal reaction. CASE PRESENTATION: We present a case of a 14-year-old female teenager with relapsing and remitting right iliac pain. There was no evidence of infectious organisms, neoplastic processes, or hematologic malignancy based on laboratory tests. Initial computed tomography (CT) and magnetic resonance imaging (MRI) demonstrated atypical periosteal proliferation in the right ilium...
June 6, 2017: BMC Musculoskeletal Disorders
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