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https://www.readbyqxmd.com/read/28320172/neuropathological-findings-from-an-autopsied-case-showing-posterior-reversible-encephalopathy-syndrome-like-neuroradiological-findings-associated-with-premedication-including-tacrolimus-for-autologous-peripheral-blood-stem-cell-transplantation
#1
Yuichi Hayashi, Akio Kimura, Hiroshi Nakamura, Maya Mimuro, Yasushi Iwasaki, Akira Hara, Mari Yoshida, Takashi Inuzuka
Posterior reversible encephalopathy syndrome (PRES) is diagnosed based on neuroradiological findings. Typically, PRES is reversible and presents with a good outcome; however, fatal outcomes have been reported. We report an autopsied case showing PRES-like neuroradiological findings associated with premedication including tacrolimus for autologous peripheral blood stem cell transplantation in a 28-year-old woman with a 2-year history of acute myeloid sarcoma/acute myeloid leukemia. Neurological examination revealed disturbed consciousness, muscle weakness in all extremities, and bilaterally diminished tendon reflexes...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28319164/modeling-the-potential-impact-on-the-us-blood-supply-of-transfusing-critically-ill-patients-with-fresher-stored-red-blood-cells
#2
Arianna Simonetti, Hussein Ezzeldin, Mikhail Menis, Stephen McKean, Hector Izurieta, Steven A Anderson, Richard A Forshee
BACKGROUND: Although some studies have suggested that transfusion recipients may have better medical outcomes if transfused with red blood cell units stored for a short time, the overall body of evidence shows mixed results. It is important to understand how using fresher stored red blood cell units for certain patient groups may affect blood availability. METHODS: Based on the Stock-and-Flow simulation model of the US blood supply developed by Simonetti et al. 2014, we evaluated a newly implemented allocation method of preferentially transfusing fresher stored red blood cell units to a subset of high-risk group of critically ill patients and its potential impact on supply...
2017: PloS One
https://www.readbyqxmd.com/read/28318365/effects-of-tgf-%C3%AE-on-uterine-fibroids-of-women-of-childbearing-age-and-uterine-artery-embolization
#3
Tao Shen, Hongjian Shi, Qiang Xu, Qian Song, Yuanfen Xu, Youhua Huang
PURPOSE: To evaluate the effects of transforming growth factor-β (TGF-β) on uterine fibroids of women of childbearing age and uterine artery embolization (UAE) using Embosphere microspheres. MATERIAL AND METHODS: A total of 128 eligible women were randomly divided into an experimental group and a control group (n = 64) who received UAE using Embosphere microspheres and panhysterectomy, respectively. Another 128 healthy women receiving physical examination in the same period were also enrolled...
March 20, 2017: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/28318242/whole-blood-metabolomics-by-1h-nmr-spectroscopy-provides-a-new-opportunity-to-evaluate-coenzymes-and-antioxidants
#4
G A Nagana Gowda, Daniel Raftery
Conventional human blood metabolomics employs serum or plasma and provides a wealth of metabolic information therein. However, this approach lacks the ability to measure and evaluate important metabolites such as coenzymes that are present at high concentrations in red blood cells. As an important alternative to serum/plasma metabolomics, we show here that a simple 1H NMR experiment can simultaneously measure coenzymes and antioxidants in extracts of whole human blood, in addition to the nearly 70 metabolites that were shown to be quantitated in serum/plasma, recently [Anal...
March 20, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28318100/abrogation-of-red-blood-cell-g6pd-enzyme-activity-through-heat-treatment-development-of-survey-material-for-the-uk-neqas-g6pd-scheme
#5
D R Roper, B De la Salle, V Soni, K Fletcher, J A Green
INTRODUCTION: Participation in external quality assessment (EQA) is central to the maintenance of high-quality laboratory results in patient diagnosis and clinical trials. Laboratories in the TAF112582 DETECTIVE study (ClinicalTrials.gov identifier: NCT01376167) are enrolled in the United Kingdom National Quality Assessment Scheme (UK NEQAS) for glucose-6-phosphate dehydrogenase (G6PD) quantitative assay, which utilizes ovine (sheep) blood as a readily available source of apparently G6PD-deficient survey material...
March 20, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28317078/role-of-selenium-from-different-sources-in-prevention-of-pulmonary-arterial-hypertension-syndrome-in-broiler-chickens
#6
A K Zamani Moghaddam, M H Mehraei Hamzekolaei, F Khajali, H Hassanpour
Pulmonary arterial hypertension (PAH) syndrome in broilers is associated with hypoxia, which prevails at high altitude. Oxidative stress is the pathogenic mechanism underlying PAH. Because selenium is key element in the structure of antioxidant enzymes, we evaluated pulmonary hypertensive responses in broiler chickens fed with diets supplemented with organic or nano-selenium. One hundred forty-four broilers (starting at 5 days old) were fed with (i) control group: birds received a standard diet; (ii) nano-selenium group: birds were fed with basal diet supplemented with nano-selenium at 0...
March 20, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28315915/four-patients-with-gastrointestinal-bleeding-identified-by-a-modified-in-vivo-technique-with-labeled-red-blood-cells-sedimentation
#7
Kang-Hung Chao, Cheng-Kai Huang, Dmytro Luzhbin, Jay Wu
OBJECTIVE: Gastrointestinal bleeding scintigraphy (GIBS) offers the advantage of continuous monitoring of patients to localize the site of gastrointestinal bleeding. In this study, a modified in vivo labeling method with sedimentation of the labeled red blood cells (RBC) was applied to remove free technetium-99m ((99m)Tc) and increase labeling efficiency. PATIENTS AND METHODS: Four patients were studied. A modified in vivo RBC labeling method was used. After 10 minutes of RBC sedimentation, patients' blood plasma in the upper part of the syringe was removed, and the erythrocytes labeled with (99m)Tc were re-administered to the patient...
March 20, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28315660/the-critical-gap-for-pediatric-reference-intervals-of-complete-blood-count-in-china
#8
Lv Yaqi, Feng Guoshuang, Ni Xin, Song Wenqi, Peng Xiaoxia
BACKGROUND: WE determined pediatric reference intervals in China by validating 3 existing pediatric reference intervals (RIs) of complete blood count (CBC) respectively. METHODS: A total of 2255 healthy children attended physical examination in Beijing Children's Hospital. Fasted blood was sampled and CBC, including red blood cell (RBC) count, hemoglobin (HGB), hematocrit (HCT), platelet count (PLT) and white blood cell (WBC) count were measured by automated hematological analyzer Sysmex Xs-800i...
March 15, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28314600/anemia-and-hematinic-deficiencies-in-gastric-parietal-cell-antibody-positive-and-negative-oral-mucosal-disease-patients-with-microcytosis
#9
Hung-Pin Lin, Yu-Hsueh Wu, Yi-Ping Wang, Yang-Che Wu, Julia Yu-Fong Chang, Andy Sun
BACKGROUND/PURPOSE: Microcytosis is defined as mean corpuscular volume (MCV) < 80 fL. This study assessed the anemia statuses and hematinic deficiencies in 30 patients with gastric parietal cell antibody-positive microcytosis (GPCA+/microcytosis) and 210 patients with GPCA-negative microcytosis (GPCA-/microcytosis). METHODS: We measured and compared the mean red blood cell (RBC) count, MCV, and RBC distribution width (RDW), as well as blood levels of hemoglobin, iron, vitamin B12, folic acid, and homocysteine among the aforementioned patient groups and 240 healthy controls...
March 14, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28314085/targeted-next-generation-sequencing-and-identification-of-risk-factors-in-world-health-organization-defined-atypical-chronic-myeloid-leukemia
#10
Mrinal M Patnaik, Daniela Barraco, Terra L Lasho, Christy M Finke, Kaaren Reichard, Katherine P Hoversten, Rhett P Ketterling, Naseema Gangat, Ayalew Tefferi
Atypical chronic myeloid leukemia (aCML) is an aggressive myeloid neoplasm with overlapping features of myelodysplastic syndromes (prominent granulocytic dysplasia) and myeloproliferative neoplasms (neutrophilic leukocytosis). We studied 25 molecularly-annotated and World Health Organization defined aCML patients; median age 70 years, 84% males. Cytogenetic abnormalities were seen in 36% and gene mutations in 100%. Mutational frequencies were, ASXL1 28%, TET2 16%, NRAS 16%, SETBP1 12%, RUNX1 12%, ETNK1 8% and PTPN11 4%...
March 17, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28306665/molecular-mechanisms-that-mediate-invasion-and-egress-of-malaria-parasites-from-red-blood-cells
#11
Aditi Alaganan, Pallavi Singh, Chetan E Chitnis
PURPOSE OF REVIEW: Malaria parasites invade and multiply in diverse host cells during their complex life cycle. Some blood stage parasites transform into male and female gametocytes that are transmitted by female anopheline mosquitoes. The gametocytes are activated in the mosquito midgut to form male and female gametes, which egress from RBCs to mate and form a zygote. Here, we will review our current understanding of the molecular mechanisms that mediate invasion and egress by malaria parasites at different life cycle stages...
March 16, 2017: Current Opinion in Hematology
https://www.readbyqxmd.com/read/28304318/placenta-accreta-elective-versus-emergent-delivery-as-a-major-predictor-of-blood-loss
#12
M A Seoud, R Nasr, G A Berjawi, G S Zaatari, Talal M Seoud, Afifa S Shatila, Fadi G Mirza
OBJECTIVE: To compare blood loss and the use for blood transfusion between elective (planned) and emergent cesarean hysterectomy performed for placenta accreta by a single, multidisciplinary team and to present the team's pre-operative evaluation and the surgical technique. STUDY DESIGN: Prospective cohort study at a single tertiary care center. Maternal and neonatal outcomes were compared between elective and emergent delivery of pregnancies complicated by placenta accreta...
March 16, 2017: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/28303921/partitioning-of-red-blood-cell-aggregates-in-bifurcating-microscale-flows
#13
E Kaliviotis, J M Sherwood, S Balabani
Microvascular flows are often considered to be free of red blood cell aggregates, however, recent studies have demonstrated that aggregates are present throughout the microvasculature, affecting cell distribution and blood perfusion. This work reports on the spatial distribution of red blood cell aggregates in a T-shaped bifurcation on the scale of a large microvessel. Non-aggregating and aggregating human red blood cell suspensions were studied for a range of flow splits in the daughter branches of the bifurcation...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28302346/postoperative-acute-kidney-injury-and-blood-product-transfusion-after-synthetic-colloid-use-during-cardiac-surgery
#14
Rajika Tobey, Hao Cheng, Mei Gao, Zhongmin Li, J Nilas Young, W Douglas Boyd, Fuhai Ji, Hong Liu
OBJECTIVES: This study assessed the effect of 2 types of hydroxyethyl starches (HES) on renal integrity and blood transfusion in cardiac surgery patients. DESIGN: Retrospective investigation. SETTING: Patients from a single tertiary medical center. PARTICIPANTS: Inclusion criteria included coronary artery bypass graft (CABG) and/or valve surgery that included cardiopulmonary bypass with aortic cross-clamping. INTERVENTIONS: Intraoperative HES and blood product administration...
December 28, 2016: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28301316/a-new-approach-to-define-acceptance-limits-for-hematology-in-external-quality-assessment-schemes
#15
Mohamed Rida Soumali, Marjan Van Blerk, Abdelhadi Akharif, Stéphanie Albarède, Dagmar Kesseler, Gabriela Gutierrez, Barbara de la Salle, Inger Plum, Anne Guyard, Ana Paula Favia, Wim Coucke
BACKGROUND: A study performed in 2007 comparing the evaluation procedures used in European external quality assessment schemes (EQAS) for hemoglobin and leukocyte concentrations showed that acceptance criteria vary widely. For this reason, the Hematology working group from the European Organisation for External Quality Assurance Providers in Laboratory Medicine (EQALM) decided to perform a statistical study with the aim of establishing appropriate acceptance limits (AL) allowing harmonization between the evaluation procedures of European EQAS organizers...
March 16, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28301292/reduce-adverse-effects-of-laparoscopic-cholecystectomy-with-pulse-width-modulated-led-light-625%C3%A2-nm-76%C3%A2-hz-23-duty-cycle
#16
Alexander V Redkin, Victor V Vdovin, Victor M Vakhtel, Pavel A Lukyanovich, Natalia A Malkina
OBJECTIVE: Reducing adverse effects in laparoscopic cholecystectomy (LCE) is important to avoid complications. After removal, the porta hepatis and gallbladder bed of liver were treated with pulse width modulated (PWM) red LED light with parameters λ = 625 ± 5 nm, full width at half maximum 17 nm, 76 Hz, duty cycle 23%, 15-30 mW/cm(2), and 0.9-1.8 J/cm(2). The changes of eight blood parameters were studied: red blood cell, hemoglobin, white blood cell, erythrocyte sedimentation rate (ESR), bilirubin, aspartate transaminase (AST), alanine transaminase (ALT), and amylase...
March 16, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28301052/decreased-blood-product-usage-during-extracorporeal-life-support-with-reduced-circuit-volumes
#17
Samuel D Addison, Marcia L Buck, Gary Y Fang, James J Gangemi, David A Kaufman
BACKGROUND: Activation and consumption of platelets (PLT) and clotting factors along with hemolysis occurs when blood contacts the extracorporeal life support (ECLS) circuit and its components. STUDY DESIGN AND METHODS: The objective was to examine the effects of reducing ECLS circuit volume by decreasing tubing length and changing components on blood product usage in neonatal and pediatric patients. Blood product administration was analyzed in 40 consecutive patients who required ECLS for respiratory or cardiac failure before (PRE) and after (POST) changes in circuit design and components...
March 16, 2017: Transfusion
https://www.readbyqxmd.com/read/28299865/novel-short-antimicrobial-peptide-isolated-from-xenopus-laevis-skin
#18
Yu Zhang, Songcai Liu, Siming Li, Yunyun Cheng, Linyan Nie, Gang Wang, Chen Lv, Wenzhen Wei, Cheng Cheng, Feng Hou, Linlin Hao
A rich source of bioactive peptides, including a large number of antimicrobial peptides, has been found in amphibian skin. In this study, a novel short antimicrobial peptide was purified from Xenopus laevis skin and characterised through reversed-phase high-performance liquid chromatography, Edman degradation and matrix-assisted laser desorption/ionisation time-of-flight mass spectrometry. The peptide was composed of six amino acids with a sequence of DEDLDE and thus named X. laevis antibacterial peptide-P2 (XLAsp-P2)...
March 16, 2017: Journal of Peptide Science: An Official Publication of the European Peptide Society
https://www.readbyqxmd.com/read/28299708/filtration-and-analysis-of-circulating-cancer-associated-cells-from-the-blood-of-cancer-patients
#19
Cha-Mei Tang, Peixuan Zhu, Shuhong Li, Olga V Makarova, Platte T Amstutz, Daniel L Adams
Filtration is one of the most efficient methods to remove red and white blood cells from whole blood, while retaining larger cells on the surface of the filter. Precision pore microfilters, such as the CellSieve™ microfilters, are ideally suited for this purpose, as they are strong, with uniform pore size and distribution, and have low fluorescent background required for microscopic image analysis. We present a system to implement the filtration of whole blood in combination with CellSieve™ microfilters that is simple and straightforward to use...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28298422/a-dye-assisted-paper-based-point-of-care-assay-for-fast-and-reliable-blood-grouping
#20
Hong Zhang, Xiaopei Qiu, Yurui Zou, Yanyao Ye, Chao Qi, Lingyun Zou, Xiang Yang, Ke Yang, Yuanfeng Zhu, Yongjun Yang, Yang Zhou, Yang Luo
Fast and simultaneous forward and reverse blood grouping has long remained elusive. Forward blood grouping detects antigens on red blood cells, whereas reverse grouping identifies specific antibodies present in plasma. We developed a paper-based assay using immobilized antibodies and bromocresol green dye for rapid and reliable blood grouping, where dye-assisted color changes corresponding to distinct blood components provide a visual readout. ABO antigens and five major Rhesus antigens could be detected within 30 s, and simultaneous forward and reverse ABO blood grouping using small volumes (100 μl) of whole blood was achieved within 2 min through on-chip plasma separation without centrifugation...
March 15, 2017: Science Translational Medicine
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