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https://www.readbyqxmd.com/read/28432841/comparison-of-pneumatic-tube-system-with-manual-transport-for-routine-chemistry-hematology-coagulation-and-blood-gas-tests
#1
Alex Pupek, Beverly Matthewson, Erin Whitman, Rachel Fullarton, Yu Chen
BACKGROUND: The pneumatic tube system (PTS) is commonly used in modern clinical laboratories to provide quick specimen delivery. However, its impact on sample integrity and laboratory testing results are still debatable. In addition, each PTS installation and configuration is unique to its institution. We sought to validate our Swisslog PTS by comparing routine chemistry, hematology, coagulation and blood gas test results and sample integrity indices between duplicate samples transported either manually or by PTS...
April 22, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28425751/development-of-red-blood-cell-autoantibodies-following-treatment-with-checkpoint-inhibitors-a-new-class-of-anti-neoplastic-immunotherapeutic-agents-associated-with-immune-dysregulation
#2
Laura L Cooling, John Sherbeck, Jonathon C Mowers, Sheri L Hugan
Ipilimumab, nivolumab, and pembrolizumab represent a new class of immunotherapeutic drugs for treating patients with advanced cancer. Known as checkpoint inhibitors, these drugs act to upregulate the cellular and humoral immune response to tumor antigens by inhibiting T-cell autoregulation. As a consequence, they can be associated with immune-related adverse events (irAEs) due to loss of self-tolerance, including rare cases of immune-related cytopenias. We performed a retrospective clinical chart review, including serologic, hematology, and chemistry laboratory results, of two patients who developed red blood cell (RBC) autoantibodies during treatment with a checkpoint inhibitor...
January 2017: Immunohematology
https://www.readbyqxmd.com/read/28422850/tuberculosis-associated-hemophagocytic-lymphohistiocytosis-with-initial-presentation-of-fever-of-unknown-origin-in-a-general-hospital-an-analysis-of-8-clinical-cases
#3
Yun Zhang, Guangyu Liang, Hongli Qin, Yuanjie Li, Xuejun Zeng
The study aimed to investigate the clinical features and prognoses of patients with tuberculosis (TB) who had secondary hemophagocytic lymphohistiocytosis (HLH).Patients first presenting with fever of unknown origin, who were ultimately diagnosed with TB-associated secondary HLH, were assessed retrospectively. We summarized and analyzed clinical manifestations, laboratory examinations, diagnoses, treatments, and prognoses of patients using clinical data, outpatient follow-up, and telephone follow-up in combination with literature review...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28422729/the-relevance-of-a-low-jak2v617f-allele-burden-in-clinical-practice-a-monocentric-study
#4
Margherita Perricone, Nicola Polverelli, Giovanni Martinelli, Lucia Catani, Emanuela Ottaviani, Elisa Zuffa, Eugenia Franchini, Arbana Dizdari, Dorian Forte, Elena Sabattini, Michele Cavo, Nicola Vianelli, Francesca Palandri
Since low JAK2V617F allele burden (AB) has been detected also in healthy subjects, its clinical interpretation may be challenging in patients with chronic myeloproliferative neoplasms (MPNs). We tested 1087 subjects for JAK2V617F mutation on suspicion of hematological malignancy. Only 497 (45.7%) patients were positive. Here we present clinical and laboratory parameters of a cohort of 35/497 patients with an AB ≤ 3%.Overall, 22/35 (62.9%) received a WHO-defined diagnosis of MPN and in 14/35 cases (40%) diagnosis was supported by bone marrow (BM) histology (''Histology-based'' diagnosis)...
March 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422440/blood-parameters-of-preterm-neonates-postnatal-evolution-according-to-gestational-age
#5
P Roudil, C Vasselon, B Trombert-Paviot, C Berger, H Patural
INTRODUCTION: The blood count provides qualitative and quantitative essential information on bloodlines. Reference hematologic parameters have been established in children and neonates, but few data are available regarding the premature population during the first month of life. The main objective of this study was to establish normative values for blood parameters for premature infants born between 26 and <37 weeks of gestation, during the first month of life, taking into account gestational and postnatal age and treatments that can impact the threshold values...
April 19, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28422358/is-mean-platelet-volume-a-better-biomarker-in-pre-eclampsia
#6
Gustavo Vilchez, Moraima Lagos, Komal Kumar, Pedro Argoti
AIM: Platelet activation and destruction is a well recognized feature of pre-eclampsia, but the current literature is contradictory regarding the role of mean platelet volume (MPV) in the diagnosis of this condition. We investigated whether MPV, compared with other routine laboratory markers such as platelet count, is a more significant biomarker of pre-eclampsia, giving special attention to the intrapartum period. METHODS: Biochemical and hematological markers along pregnancy including MPV were compared retrospectively between pre-eclampsia and matched controls...
April 19, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28420603/the-coags-uncomplicated-app-fulfilling-educational-gaps-around-diagnosis-and-laboratory-testing-of-coagulation-disorders
#7
Craig Kessler, Ellinor I Peerschke, Meera B Chitlur, Roshni Kulkarni, Natalia Holot, David L Cooper
BACKGROUND: Patients with coagulation disorders may present to a variety of physician specialties; however, accurate and efficient diagnosis can be challenging for physicians not specialized in hematology, due to identified gaps in knowledge around appropriate laboratory assays and interpretation of test results. Coags Uncomplicated was developed to fill this unmet educational need by increasing practical knowledge of coagulation disorders among nonexpert physicians and other health care professionals (HCPs) in a point-of-care (POC) setting...
April 18, 2017: JMIR Medical Education
https://www.readbyqxmd.com/read/28413674/spontaneous-tumor-lysis-syndrome-in-a-patient-with-metastatic-prostate-cancer
#8
Naomi Serling-Boyd, Zoe Quandt, Nazima Allaudeen
Tumor lysis syndrome (TLS) is a life-threatening oncological emergency, with most cases occurring in hematological malignancies following the initiation of treatment. However, on rare occasions, TLS may occur in solid tumors as well. In the present case study, the case is reported of a 56-year-old African-American man who presented with a recent diagnosis of prostate cancer, abdominal pain, elevated transaminases, renal insufficiency, hyperkalemia, and hyperuricemia, consistent with spontaneous TLS in the setting of metastatic prostate cancer...
April 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28413661/non-alcoholic-fatty-liver-disease-fibrosis-score-predicts-hematological-toxicity-of-chemotherapy-including-irinotecan-for-colorectal-cancer
#9
Masashi Yahagi, Masashi Tsuruta, Hirotoshi Hasegawa, Koji Okabayashi, Yuko Kitagawa
Liver dysfunction that may affect drug metabolism is a major concern in patients treated with chemotherapy. Thus, assessment of the degree of liver dysfunction is crucial for predicting the adverse events of chemotherapy. The non-alcoholic fatty liver disease fibrosis score (NFS) is a non-invasive clinical scoring system constructed from routine clinical and laboratory variables. The aim of this study was to evaluate whether NFS was useful for predicting the adverse events of chemotherapy including irinotecan (CPT-11) for colorectal cancer...
April 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28410600/primary-adrenal-non-hodgkin-lymphoma-a-case-report-and-review-of-the-literature
#10
Nanik Ram, Owais Rashid, Saad Farooq, Imran Ulhaq, Najmul Islam
BACKGROUND: Lymphomas are cancers that arise from the white blood cells and have been traditionally divided into two large subtypes: Hodgkin and non-Hodgkin lymphoma. B-cell lymphoma is the most common subtype of non-Hodgkin lymphoma; almost 85% of patients with lymphoma have this variant. Lymphomas can potentially arise from any lymphoid tissue located in the body; however, primary adrenal non-Hodgkin lymphoma is extremely rare. We report the history, examination findings, and laboratory results of a 50-year-old man diagnosed with a primary left adrenal diffuse large B-cell lymphoma...
April 15, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28407743/new-drugs-new-toxicities-severe-side-effects-of-modern-targeted-and-immunotherapy-of-cancer-and-their-management
#11
REVIEW
Frank Kroschinsky, Friedrich Stölzel, Simone von Bonin, Gernot Beutel, Matthias Kochanek, Michael Kiehl, Peter Schellongowski
Pharmacological and cellular treatment of cancer is changing dramatically with benefits for patient outcome and comfort, but also with new toxicity profiles. The majority of adverse events can be classified as mild or moderate, but severe and life-threatening complications requiring ICU admission also occur. This review will focus on pathophysiology, symptoms, and management of these events based on the available literature.While standard antineoplastic therapy is associated with immunosuppression and infections, some of the recent approaches induce overwhelming inflammation and autoimmunity...
April 14, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28406385/retrospective-chart-review-of-hospitalizations-and-costs-associated-with-the-treatment-of-adults-with-philadelphia-negative-b-cell-relapsed-or-refractory-acute-lymphoblastic-leukemia-in-belgium
#12
Johan Maertens, Carlos Graux, Dimitri Breems, Violaine Havelange, Sebastian Wittnebel, Daniëlle Strens, Caroline Hoefkens
OBJECTIVES: To quantify hospitalizations and costs among adults with Philadelphia-negative relapsed or refractory (R/R) B-cell acute lymphoblastic leukemia (ALL) who received current salvage chemotherapies in Belgium. METHODS: A retrospective chart review identified patients aged ≥18 years and hospitalized between 2005 and 2015 for Ph-negative R/R B-cell ALL. Data were collected from the index date (first diagnosis of R/R ALL) until death or loss to follow-up...
April 13, 2017: Acta Clinica Belgica
https://www.readbyqxmd.com/read/28406068/clinical-and-hematological-relevance-of-jak2-v617f-and-calr-mutations-in-bcr-abl-negative-et-patients
#13
N Limsuwanachot, B Rerkamnuaychoke, S Chuncharunee, T Pauwilai, R Singdong, P Rujirachaivej, T Chareonsirisuthigul, T Siriboonpiputtana
BACKGROUND: Classical BCR-ABL1-negative myeloproliferative neoplasms (MPNs) including polycythemia vera, essential thrombocythemia (ET), and primary myelofibrosis frequently harbor JAK2, MPL, and CALR somatic mutations. METHODS: AS-PCR for JAK2 V617F, pyrosequencing for MPL W515L/K, and PCR-fragment analysis for CALR exon 9 mutations were established to analyze genomic DNA isolated from peripheral blood samples of 58 newly diagnosed ET patients in Thailand. RESULTS: JAK2 V617F was detected in 41 patients (71%) and CALR exon 9 mutation was positive in eight patients (14%), whereas no mutation of MPL W515L/K was observed in this study...
April 13, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/28400834/comparison-of-commonly-used-icr-stocks-and-the-characterization-of-korl-icr
#14
Hye-Jun Shin, Young Min Cho, Hee Jung Shin, Hae Deun Kim, Kyung Min Choi, Mi Gyeong Kim, Hyoung Doo Shin, Myeon-Woo Chung
Mouse is a commonly used animal in life science studies and is classified as outbred if genetically diverse and inbred if genetically homogeneous. Outbred mouse stocks, are used in toxicology, oncology, infection and pharmacology research. The National Institute of Food and Drug Safety Evaluation (NIFDS; former the Korea National Institute of Health) have bred ICR mice for more than 50 years. We investigated to provide users with information and promote accountability to the Korl:ICR. To secure the indigenous data, biological characteristics of Korl:ICR were identified by comparing with other ICR stocks...
March 2017: Laboratory Animal Research
https://www.readbyqxmd.com/read/28399945/a-prospective-holistic-multicenter-approach-to-tracking-and-understanding-bloodstream-infections-in-pediatric-hematology-oncology-patients
#15
Aditya H Gaur, David G Bundy, Eric J Werner, Jeffrey D Hord, Marlene R Miller, Li Tang, John P Lawlor, Amy L Billett
OBJECTIVE To assess the burden of bloodstream infections (BSIs) among pediatric hematology-oncology (PHO) inpatients, to propose a comprehensive, all-BSI tracking approach, and to discuss how such an approach helps better inform within-center and across-center differences in CLABSI rate DESIGN Prospective cohort study SETTING US multicenter, quality-improvement, BSI prevention network PARTICIPANTS PHO centers across the United States who agreed to follow a standardized central-line-maintenance care bundle and track all BSI events and central-line days every month...
April 12, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28399133/establishment-of-reference-intervals-during-normal-pregnancy-through-six-months-postpartum-in-western-kenya
#16
Collins Odhiambo, Paul Omolo, Boaz Oyaro, John Williamson, John Kinuthia, Daniel Matemo, Alison Drake, Grace John-Stewart, Clement Zeh
BACKGROUND: Pregnancy is associated with changes in hematological and biochemistry values, yet there are no African reference intervals for clinical management of pregnant women. We sought to 1) develop laboratory reference intervals during pregnancy and up to 24 weeks postpartum and 2) determine the proportion of women in a previous clinical trial who would be misclassified as having out-of-range values using reference intervals from a United States (U.S.) population. METHODS AND FINDINGS: This was a longitudinal sub-study of 120 clinically healthy, HIV-uninfected, self-selected pregnant women seeking antenatal care services at either of two public hospitals in western Kenya...
2017: PloS One
https://www.readbyqxmd.com/read/28397483/efficiency-of-leukocyte-differential-using-flow-cytometry-with-cytodiff-in-different-workflows
#17
Chenxue Qu, Jianzhong Wang, Chengwei Pu, Ying Xing, Ke Shang, Ning Dong, Xiufeng Li
BACKGROUND: To set up the review criteria for flow cytometry with CytoDiff (FCC) and evaluate the efficiency of different workflows using combinations of FCC with a hematology analyzer and microscopy. METHODS: Leucocyte differentials of the samples from 995 clinical specimens and 278 specimens from healthy donors were analyzed using a hematology analyzer, FCC, and microscopy. RESULTS: The correlations between the hematology analyzer, FCC, and microscopy were good for neutrophils, lymphocytes, and monocytes, but not in the case of basophils (r = 0...
April 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28397326/diagnosis-and-management-of-neuropathies-associated-with-plasma-cell-dyscrasias
#18
REVIEW
Evan Rosenbaum, Douglas Marks, Shahzad Raza
Neuropathies associated with plasma cell dyscrasias are a major cause of morbidity for patients managed by medical oncologists. Because of similarities in clinical presentation and on nerve conduction studies, identifying the underlying disease leading to a paraproteinemic neuropathy can often be difficult. In addition, the degree of neurologic deficit does not strictly correlate with the extent of abnormalities on common clinical laboratory testing. Fortunately, with increasing understanding into the biologic mechanisms of underlying hematologic diseases, additional biomarkers have recently been developed, thus improving our diagnostic capacity...
April 10, 2017: Hematological Oncology
https://www.readbyqxmd.com/read/28394238/anti-ribosomal-p-antibody-a-multicenter-study-in-childhood-onset-systemic-lupus-erythematosus-patients
#19
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
https://www.readbyqxmd.com/read/28382905/hematospermia-a-symptom-with-many-possible-causes
#20
Michael J Mathers, Stefan Degener, Herbert Sperling, Stephan Roth
BACKGROUND: Hematospermia, or blood in the ejaculate, is a symptom with many possible causes that often gives rise to worry. Precise figures on its prevalence are unavailable. It is most common in men under 40, and its cause is usually benign; nonetheless, even a single episode of hematospermia calls for a basic diagnostic evaluation. METHODS: This review is based on pertinent articles re trieved by a search in PubMed with the key words "hemato spermia," "hemospermia," "ejaculation," "male semen," and "transrectal ultrasound...
March 17, 2017: Deutsches Ärzteblatt International
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