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laboratory tests advances in hematology

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https://www.readbyqxmd.com/read/29573668/accurate-label-free-3-part-leukocyte-recognition-with-single-cell-lens-free-imaging-flow-cytometry
#1
Yuqian Li, Bruno Cornelis, Alexandra Dusa, Geert Vanmeerbeeck, Dries Vercruysse, Erik Sohn, Kamil Blaszkiewicz, Dimiter Prodanov, Peter Schelkens, Liesbet Lagae
Three-part white blood cell differentials which are key to routine blood workups are typically performed in centralized laboratories on conventional hematology analyzers operated by highly trained staff. With the trend of developing miniaturized blood analysis tool for point-of-need in order to accelerate turnaround times and move routine blood testing away from centralized facilities on the rise, our group has developed a highly miniaturized holographic imaging system for generating lens-free images of white blood cells in suspension...
March 14, 2018: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29507729/management-of-acute-aortic-dissection-and-thoracic-aortic-rupture
#2
REVIEW
Toshihiro Fukui
Background: Both acute aortic dissection and ruptured aortic aneurysm are leading causes of death in cardiovascular disease. These life-threatening conditions have recently been categorized as acute aortic syndrome. This review describes the etiology, clinical presentation, and therapeutic options for acute aortic syndrome including acute aortic dissection and ruptured aortic aneurysm. Main body: Several diagnostic tools for detecting these critical conditions have been developed including computed tomography, ultrasonography, magnetic resonance imaging, and laboratory tests...
2018: Journal of Intensive Care
https://www.readbyqxmd.com/read/29505026/efficacy-and-safety-of-apatinib-in-patients-with-intermediate-advanced-hepatocellular-carcinoma-a-prospective-observation-study
#3
Wen-Chang Yu, Kong-Zhi Zhang, Shi-Guang Chen, Wei-Fu Liu
This prospective study aimed to evaluate the efficacy and safety of apatinib in patients with intermediate/advanced hepatocellular carcinoma (HCC).The patients with intermediate/advanced HCC, who met predetermined inclusion and exclusion criteria, underwent oral treatment of apatinib 500 mg daily. The drug-related adverse effects were monitored by regular follow-up and workup including laboratory tests and imaging examinations. Tumor response was assessed by response evaluation criteria in solid tumor criteria...
January 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29489441/targeted-applications-of-unmanned-aerial-vehicles-drones-in-telemedicine
#4
Kunj Bhatt, Ali Pourmand, Neal Sikka
INTRODUCTION: Advances in technology have revolutionized the medical field and changed the way healthcare is delivered. Unmanned aerial vehicles (UAVs) are the next wave of technological advancements that have the potential to make a huge splash in clinical medicine. UAVs, originally developed for military use, are making their way into the public and private sector. Because they can be flown autonomously and can reach almost any geographical location, the significance of UAVs are becoming increasingly apparent in the medical field...
February 28, 2018: Telemedicine Journal and E-health: the Official Journal of the American Telemedicine Association
https://www.readbyqxmd.com/read/29246649/utility-of-routine-evaluation-of-sterility-of-cellular-therapy-products-with-or-without-extensive-manipulation-best-practices-and-clinical-significance
#5
Josee Golay, Olga Pedrini, Chiara Capelli, Elisa Gotti, Gianmaria Borleri, Mara Magri, Francesca Vailati, Marco Passera, Claudio Farina, Alessandro Rambaldi, Martino Introna
BACKGROUND: We analyzed the results of routine sterility testing performed in our center over the last 10 years, in the context both hematopoietic stem cell transplantation (HSCT) and Advanced Therapeutic Medicinal Products (ATMPs). METHODS: For sterility tests 14-day cultures were performed in culture media detecting aerobic and anaerobic microorganisms. RESULTS: In this study, 22/1643 (1.3%) of apheretic products for autologous or allogeneic HSCT were contaminated, whereas 14/73 bone marrow (BM) harvests (17...
February 2018: Cytotherapy
https://www.readbyqxmd.com/read/29189820/somatic-tp53-variants-frequently-confound-germ-line-testing-results
#6
Jeffrey N Weitzel, Elizabeth C Chao, Bita Nehoray, Lily R Van Tongeren, Holly LaDuca, Kathleen R Blazer, Thomas Slavin, D A B M D Facmg, Tina Pesaran, Christina Rybak, Ilana Solomon, Mariana Niell-Swiller, Jill S Dolinsky, Danielle Castillo, Aaron Elliott, Chia-Ling Gau, Virginia Speare, Kory Jasperson
PurposeBlood/saliva DNA is thought to represent the germ line in genetic cancer-risk assessment. Cases with pathogenic TP53 variants detected by multigene panel testing are often discordant with Li-Fraumeni syndrome, raising concern about misinterpretation of acquired aberrant clonal expansions (ACEs) with TP53 variants as germ-line results.MethodsPathogenic TP53 variants with abnormal next-generation sequencing metrics (e.g., decreased ratio (<25%) of mutant to wild-type allele, more than two detected alleles) were selected from a CLIA laboratory testing cohort...
November 30, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28655976/iron-deficiency-anemia-in-chronic-liver-disease-etiopathogenesis-diagnosis-and-treatment
#7
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/28556364/phase-i-study-of-glasdegib-pf-04449913-an-oral-smoothened-inhibitor-in-japanese-patients-with-select-hematologic-malignancies
#8
MULTICENTER STUDY
Yosuke Minami, Hironobu Minami, Toshihiro Miyamoto, Goichi Yoshimoto, Yukio Kobayashi, Wataru Munakata, Yasushi Onishi, Masahiro Kobayashi, Mari Ikuta, Geoffrey Chan, Adrian Woolfson, Chiho Ono, Mohammed Naveed Shaik, Yosuke Fujii, Xianxian Zheng, Tomoki Naoe
The hedgehog signaling pathway regulates multiple morphogenetic processes during embryogenesis. Aberrant activation of the hedgehog pathway signal transduction in adult tissues is associated with the pathogenesis of hematologic malignancies and solid tumors. We report findings from an open-label, multicenter phase I trial of the selective, small-molecule hedgehog signaling inhibitor glasdegib (PF-04449913) in Japanese patients with select advanced hematologic malignancies. Glasdegib was administered as once-daily oral doses (25, 50 and 100 mg) in 28-day cycles after a lead-in dose on Day -5...
August 2017: Cancer Science
https://www.readbyqxmd.com/read/28447416/microfluidics-in-flow-cytometry-and-related-techniques
#9
REVIEW
M C Béné
Technological advances in laboratory automation are now well understood and applied as they considerably improved the speed and robustness of haematological laboratory data, in the companion fields of blood analyzers and flow cytometry. Still rather confidential is the field of microfluidics, mostly confined so far to academic settings and research laboratories. The literature in the field of microfluidics is growing and applications in hematology range from cell counting to flow cytometry, cell sorting, or ex vivo testing...
May 2017: International Journal of Laboratory Hematology
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
#10
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/28254430/anti-tumor-activity-of-pi3k-%C3%AE-inhibitor-in-hematologic-malignant-cells-shedding-new-light-on-resistance-to-idelalisib
#11
Davood Bashash, Ava Safaroghli-Azar, Maryam Dadashi, Majid Safa, Majid Momeny, Seyed H Ghaffari
Genetic and laboratory experiments have brought remarkable advances in management of human malignancies, which not only revolutionized the understanding of the disease, but also led to development of novel and effective targeted therapies against specific deregulated pathways. This study aimed to investigate anti-cancer effects of Idelalisib, a potent PI3K-δ inhibitor, in a panel of hematological cell lines. The resulting data showed that Idelalisib decreased cell survival in all the tested cell lines; however, as compared to NB4, viability of other cell lines, irrespective of their molecular characteristics or even the compensatory activation of MEK/ERK pathway, was inhibited at higher concentrations...
February 22, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/27735925/early-manifestations-of-type-1-gaucher-disease-in-presymptomatic-children-diagnosed-after-parental-carrier-screening
#12
Amy C Yang, Louise Bier, Jessica R Overbey, Jessica Cohen-Pfeffer, Khyati Desai, Robert J Desnick, Manisha Balwani
PURPOSE: The overall published experience with pediatric type 1 Gaucher disease (GD1) has been based on ascertainment through clinical presentation of the disease. We describe the longitudinal follow-up in a presymptomatic pediatric cohort. METHODS: The cohort includes children diagnosed with GD1, either prenatally or postnatally by molecular genetic testing, and followed for clinical care at our center from 1998 to 2016. All patients' parents were GBA mutation carriers identified through carrier screening programs...
June 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/27499777/preanalytical-errors-in-hematology-laboratory-an-avoidable-incompetence
#13
Vikram Narang HarsimranKaur, Pavneet Kaur Selhi, Neena Sood, Aminder Singh
BACKGROUND: Quality assurance in the hematology laboratory is a must to ensure laboratory users of reliable test results with high degree of precision and accuracy. Even after so many advances in hematology laboratory practice, pre-analytical errors remain a challenge for practicing pathologists. This study was undertaken with an objective to evaluate the types and frequency of preanalytical errors in hematology laboratory of our center. METHODS: All the samples received in the Hematology Laboratory of Dayanand Medical College and Hospital, Ludhiana, India over a period of one year (July 2013-July 2014) were included in the study and preanalytical variables like clotted samples, quantity not sufficient, wrong sample, without label, wrong label were studied...
2016: Iranian Journal of Pathology
https://www.readbyqxmd.com/read/27389485/new-mab-therapies-in-multiple-myeloma-interference-with-blood-transfusion-compatibility-testing
#14
REVIEW
Karen M K De Vooght, Marlies Oostendorp, Wouter W van Solinge
PURPOSE OF REVIEW: Immunotherapeutic strategies are emerging as novel therapeutic approaches in multiple myeloma, with several mAbs being in advanced stages of clinical development. Of these, CD38 targeting antibodies appear very promising. In trials with anti-CD38 mAb daratumumab, all patients demonstrated panreactivity in red blood cell (RBC) panel testing, complicating the selection of compatible RBCs for transfusion. This review provides an overview of the interferences and solutions to safely transfuse these patients...
November 2016: Current Opinion in Hematology
https://www.readbyqxmd.com/read/27313267/incidence-risk-factors-and-morbidity-of-acquired-postnatal-cytomegalovirus-infection-among-preterm-infants-fed-maternal-milk-in-a-highly-seropositive-population
#15
Fábia Pereira Martins-Celini, Aparecida Yulie Yamamoto, Débora Manzione Passos, Suely Dornellas do Nascimento, Edinéia Vaciloto Lima, Célia Mara Di Giovanni, Ellen Regina Sevilla Quadrado, Roberta Barta, Davi Casale Aragon, Seila Israel do Prado, Maria Fernanda Branco de Almeida, Marisa Márcia Mussi-Pinhata
BACKGROUND: In preterm infants cytomegalovirus (CMV) infection acquired through maternal milk has been related to morbidity. However, infants who may receive higher titers of protective antibodies from highly seropositive mothers have not been studied in detail. METHODS: A cohort of 188 ≤30-week-old infants was monitored from admission to discharge. CMV-DNA, hematology, liver enzymes, neutralizing antibodies, and CMV-DNA-lactia were tested periodically. RESULTS: Mothers of 157 infants (83...
October 1, 2016: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/27124785/section-e6-1-6-4-of-the-acmg-technical-standards-and-guidelines-chromosome-studies-of-neoplastic-blood-and-bone-marrow-acquired-chromosomal-abnormalities
#16
Fady M Mikhail, Nyla A Heerema, Kathleen W Rao, Rachel D Burnside, Athena M Cherry, Linda D Cooley
These American College of Medical Genetics and Genomics standards and guidelines are developed primarily as an educational resource for clinical laboratory geneticists to help them provide quality clinical laboratory genetic services. Adherence to these standards and guidelines is voluntary and does not necessarily ensure a successful medical outcome. These standards and guidelines should not be considered inclusive of all proper procedures and tests or exclusive of other procedures and tests that are reasonably directed to obtaining the same results...
June 2016: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/26686339/the-impact-of-red-blood-cell-distribution-width-and-neutrophil-lymphocyte-ratio-on-the-diagnosis-of-major-depressive-disorder
#17
Fatih Demircan, Nevzat Gözel, Faruk Kılınç, Ramazan Ulu, Murat Atmaca
INTRODUCTION: Major depressive disorder (MDD) is an important risk factor for cardiovascular mortality and morbidity. Red blood cell distribution width (RDW) and neutrophil/lymphocyte ratio (NLR) can be obtained with a basic hemogram test. These parameters have been found as a predictor of mortality in the general population and in several diseases such as cardiovascular disease. METHODS: Our study included 100 patients with newly diagnosed MDD and 100 healthy control patients (who had no depressive symptoms and without heart disease) admitted to our outpatient clinics...
June 2016: Neurology and Therapy
https://www.readbyqxmd.com/read/26548240/-advanced-testing-and-laboratory-for-hbv-hcv-and-hiv-infection
#18
REVIEW
Matsuo Deguchi
Most target substances for immunoassay of infectious disease are antigens or antibodies which do not exist in the human body. Therefore, the method to set reference values is different from chemistry or hematology testing. High sensitivity is required for infectious disease testing, particularly for screening. Also, its reference values (cut-off values) are set as low as possible. Therefore, a false-positive reaction can be caused due to slightly non-specific reactions in infectious disease reagents. The specificities for infectious disease reagents were evaluated with 9 kinds of HCV antibody test kit and 9 kinds of HIV screening kit...
June 2015: Rinsho Byori. the Japanese Journal of Clinical Pathology
https://www.readbyqxmd.com/read/26437749/laboratory-tests-for-disorders-of-complement-and-complement-regulatory-proteins
#19
Angela R Shih, Mandakolathur R Murali
The complement pathway is a cascade of proteases that is involved in immune surveillance and innate immunity, as well as adaptive immunity. Dysfunction of the complement cascade may be mediated by aberrations in the pathways of activation, complement regulatory proteins, or complement deficiencies, and has been linked to a number of hematologic disorders, including paroxysmal noctural hemoglobinuria (PNH), hereditary angioedema (HAE), and atypical hemolytic-uremic syndrome (aHUS). Here, current laboratory tests for disorders of the complement pathway are reviewed, and their utility and limitations in hematologic disorders and systemic diseases are discussed...
December 2015: American Journal of Hematology
https://www.readbyqxmd.com/read/26434881/creatine-kinase-ck-mb-to-total-ck-ratio-a-laboratory-indicator-for-primary-cancer-screening
#20
Chih-Chun Chang, Ching-Biau Liou, Ming-Jang Su, Yi-Chen Lee, Chai-Ting Liang, Jung-Li Ho, Huang-Wen Tsai, Tzung-Hai Yen, Fang-Yeh Chu
BACKGROUND: For the determination of creatine kinase (CK)-MB, the immunoinhibition method is utilized most commonly. However, the estimated CK-MB activity may be influenced by the presence of CK isoenzymes in some conditions like cancer. Thus, a CK-MB-to-total-CK ratio more than 1.0 could be found in such a situation. The study aimed to explore the relationship of cancer to high CK-MB-to-total-CK ratio. MATERIALS AND METHODS: From January 2011 to December 2014, laboratory data on all CK-MB and total CK test requests were extracted at Far Eastern Memorial Hospital (88,415 requests)...
2015: Asian Pacific Journal of Cancer Prevention: APJCP
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