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red blood cell distribution

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https://www.readbyqxmd.com/read/29326194/association-of-erythrocyte-parameters-with-metabolic-syndrome-in-the-pearl-river-delta-region-of-china-a-cross-sectional-study
#1
Ling Ling Huang, Dong-Mei Dou, Nan Liu, Xiao Xiao Wang, Li-Ying Fu, Xiao Wu, Peixi Wang
OBJECTIVE: Increasing studies have reported that erythrocyte parameters, including red blood cells (RBCs), haematocrit (HCT), haemoglobin (Hb) and red blood cell distribution width (RDW), are associated with metabolic syndrome (MetS) in adults worldwide. However, the association, stratified by sex, remains to be elucidated, particularly in the Pearl River Delta region of China. Therefore, our aim was to explore the association of erythrocyte parameters with MetS, stratified by sex, in the Pearl River Delta region of China...
January 10, 2018: BMJ Open
https://www.readbyqxmd.com/read/29317580/-effect-of-high-intensity-alternating-magnetic-field-%C3%A2-on-viscosity-of-sheep-blood
#2
Pengxian Tao, Xiangyang Wu, Lingzhi Zhao, Feng Wang, Qi Xia, Yan Peng, Bingren Gao
To explore the changes of blood viscosity in high-intensity alternating magnetic field and the mechanisms.
 Methods: Five adult sheep were randomly selected and the blood samples were placed in high-intensity alternating magnetic field. Before and after exposure, the blood samples were taken and divided into 2 groups: a control group and a magnetic field group. The blood rheology and transmission electron microscopy (TEM) were performed.
 Results: Compared to the control group, the high shear viscosity of whole blood was decreased in the magnetic field group (P<0...
December 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/29315856/red-blood-cell-distribution-width-as-a-predictor-of-atrial-fibrillation
#3
Qingmiao Shao, Panagiotis Korantzopoulos, Konstantinos P Letsas, Gary Tse, Jiang Hong, Guangping Li, Tong Liu
BACKGROUND: Current evidence suggests that a higher red blood cell distribution width (RDW) may be associated with increased risk of atrial fibrillation (AF) development. Given that some controversial results have been published, we conducted a systematic review of the current literature along with a comprehensive meta-analysis to evaluate the association between RDW and AF development. METHODS: We performed a systematic search of the literature using electronic databases (PubMed, Ovid, Embase, and Web of Science) to identify studies reporting on the association between RDW and AF development published until June 2016...
January 8, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29313241/cd146-positive-human-dental-pulp-stem-cells-promote-regeneration-of-dentin-pulp-like-structures
#4
Mikiko Matsui, Tomoko Kobayashi, Takeo W Tsutsui
CD146 and STRO-1 are endothelial biomarkers that are co-expressed on the cellular membranes of blood vessels within human dental pulp tissue. This study characterized the percentage of dentin-like structures produced by CD146-positive (CD146+) human dental pulp stem cells (DPSCs), compared with their CD146-negative (CD146-) counterparts. DPSC populations were enriched using magnetic-activated cell sorting (MACS), yielding CD146+ and CD146- cells, as well as mixtures composed of 25% CD146+ cells and 75% CD146- cells (CD146+/-)...
January 8, 2018: Human Cell
https://www.readbyqxmd.com/read/29312621/elevated-red-blood-cell-distribution-width-predicts-poor-prognosis-in-hilar-cholangiocarcinoma
#5
Bei Li, Zhen You, Xian-Ze Xiong, Yong Zhou, Si-Jia Wu, Rong-Xing Zhou, Jiong Lu, Nan-Sheng Cheng
Background: Although the red blood cell distribution width (RDW) has been reported as a reliable predictor of prognosis in several types of cancer, the prognostic value of RDW in hilar cholangiocarcinoma (HC) has not been studied. Methods: A retrospective analysis of 292 consecutively recruited HC patients undergoing radical resection was conducted. The optimal cutoff value of RDW was determined by the receiver operating characteristic curve (ROC). Survival analysis by the Kaplan-Meier method, the difference between the clinico-pathologic variables and survival were evaluated by log-rank analysis...
December 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29310472/red-cell-distribution-width-and-its-association-with-mortality-in-neonatal-sepsis
#6
Snehal L Martin, Saumil Desai, Ruchi Nanavati, Roshan B Colah, Kanjaksha Ghosh, Malay B Mukherjee
OBJECTIVE: Neonatal sepsis is a major cause of mortality in the developing countries. However, with current severity scores and laboratory parameters, predicting outcomes of neonatal sepsis is a serious challenge. Red cell distribution width (RDW) is a readily available pragmatic means to predict outcomes of various comorbidities in adults and children, without causing any additional blood loss. However, its utility in neonates remains unexplored. Hence, the objective of the present study was to evaluate the association of RDW with neonatal sepsis and its role as a predictive marker for mortality...
January 8, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29302952/letter-to-the-editor-thrombocytopenia-after-sutureless-aortic-valve-implantation-does-it-really-matter
#7
G Santarpino, F Vogt
Despite the limited clinical relevance of thrombocytopenia after bioprosthetic aortic valve replacement (AVR), the postoperative depletion of platelet count continues to attract the attention of many authors. The development of thrombocytopenia has been evaluated either in patients receiving a sutureless bioprosthesis (1,2) or in those undergoing transcatheter aortic valve implantation, where cardiopulmonary bypass bears little or no relation to this phenomenon (3). Recently, Sánchez et al. (1) have published their findings on this topic, but their limited experience with the devices used makes their study of doubtful interest...
July 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/29297194/red-cell-distribution-width-and-its-relationship-with-global-longitudinal-strain-in-patients-with-heart-failure-with-reduced-ejection-fraction-a-study-using-two-dimensional-speckle-tracking-echocardiography
#8
Elif Eroglu, Alev Kilicgedik, Gokhan Kahveci, Ruken Bengi Bakal, Cevat Kirma
BACKGROUND: Red cell distribution width (RDW) is a measurement of size variability of the red blood cells and has been shown to be a powerful predictor of prognosis in heart failure (HF). Recently, global longitudinal strain (GLS) emerged as a more accurate marker of left ventricular (LV) systolic function. AIM: We aimed to assess the relationship between RDW and standard echocardiographic parameters and left ventricular global strain measured by two-dimensional (2D) speckle tracking echocardiography in patients with HF with reduced EF (HFrEF)...
January 3, 2018: Kardiologia Polska
https://www.readbyqxmd.com/read/29296730/a-population-based-longitudinal-study-on-the-implication-of-demographic-changes-on-blood-donation-and-transfusion-demand
#9
Andreas Greinacher, Kerstin Weitmann, Linda Schönborn, Ulf Alpen, Doris Gloger, Wolfgang Stangenberg, Kerstin Stüpmann, Nico Greger, Volker Kiefel, Wolfgang Hoffmann
Transfusion safety includes the risk of transmission of pathogens, appropriate transfusion thresholds, and sufficient blood supply. All industrialized countries experience major ongoing demographic changes resulting from low birth rates and aging of the baby boom generation. Little evidence exists about whether future blood supply and demand correlate with these demographic changes. The ≥50% decline in birth rate in the eastern part of Germany after 1990 facilitates systematic study of the effects of pronounced demographic changes on blood donation and demand...
June 13, 2017: Blood Advances
https://www.readbyqxmd.com/read/29295969/the-saudi-diabetic-kidney-disease-study-saudi-dkd-clinical-characteristics-and-biochemical-parameters
#10
Khalid Siddiqui, Khalid Al-Rubeaan, Mohammed Alghonaim, Amira M Youssef, Dhekra AlNaqeeb
BACKGROUND: Saudi Arabia is facing an epidemic of type 2 diabetes that is complicated by a high rate of chronic complications such as kidney disease, which have a major impact on the healthcare system and economy. The Saudi diabetic kidney disease (SAUDI-DKD) study was launched to understand the implications of chronic diabetic kidney disease . OBJECTIVES: Examine the hematological, biochemical and metabolic parameters of the selected cohorts to look for biomarkers of diabetic nephropathy...
January 3, 2018: Annals of Saudi Medicine
https://www.readbyqxmd.com/read/29286326/role-of-rdw-in-prediction-of-burn-after-caustic-substance-ingestion
#11
Emrah Aydin, Omer Faruk Beser, Soner Sazak, Ensar Duras
A quantifiable, quick, inexpensive and reproducible predictor is needed to decide if caustic substance ingestion results in burn regardless of the symptoms. A multicenter cohort study was conducted to investigate the predictive value of red cell distribution width (RDW) in detecting the esophageal burns. The data of 174 patients were retrospectively analyzed. Eleven patients were excluded due to inability to define the substance ingested. Complete blood count (CBC) was taken at admission, and an esophagogastroduodenoscopy was performed within the first 12-24 h in all patients, regardless of their symptoms...
December 29, 2017: Children
https://www.readbyqxmd.com/read/29261747/sex-specific-reference-intervals-of-hematologic-and-biochemical-analytes-in-sprague-dawley-rats-using-the-nonparametric-rank-percentile-method
#12
Qili He, Guoming Su, Keliang Liu, Fangcheng Zhang, Yong Jiang, Jun Gao, Lida Liu, Zhongren Jiang, Minwu Jin, Huiping Xie
BACKGROUND: Hematologic and biochemical analytes of Sprague-Dawley rats are commonly used to determine effects that were induced by treatment and to evaluate organ dysfunction in toxicological safety assessments, but reference intervals have not been well established for these analytes. Reference intervals as presently defined for these analytes in Sprague-Dawley rats have not used internationally recommended statistical method nor stratified by sex. Thus, we aimed to establish sex-specific reference intervals for hematologic and biochemical parameters in Sprague-Dawley rats according to Clinical and Laboratory Standards Institute C28-A3 and American Society for Veterinary Clinical Pathology guideline...
2017: PloS One
https://www.readbyqxmd.com/read/29260361/sex-dependent-association-of-preoperative-hematologic-markers-with-glioma-grade-and-progression
#13
Wenshen Xu, Dengliang Wang, Xiaobin Zheng, Qishui Ou, Liming Huang
Neutrophil-to-lymphocyte ratio (NLR), platelet-lymphocyte ratio, the systemic immune-inflammation index (SII), and red blood cell distribution width (RDW), have been recognized as promising predictors for histological grade and prognosis in multiple cancer types. However, few investigations illustrated the impacts of sex on the clinical utility of hematologic markers. Patients with primary gliomas were retrospectively reviewed. The association between grade and inflammatory markers by sex were investigated by univariate and multivariate analysis...
December 19, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29251006/prevalence-of-thalassemia-and-glucose-6-phosphate-dehydrogenase-deficiency-in-newborns-and-adults-at-the-ramathibodi-hospital-bangkok-thailand
#14
Wansa Banyatsuppasin, Sumalee Jindadamrongwech, Anchalee Limrungsikul, Punnee Butthep
Thalassemias and glucose-6-phosphate dehydrogenase (G6PD) deficiency are the most common inherited blood disorders. They are distributed among populations living in malaria endemic regions resulting in survival advantage from severe malaria disease. The aims of this study were to analyze the prevalence of thalassemias and G6PD deficiency at the Ramathibodi Hospital, Bangkok, Thailand. A total of 616 adult and 174 cord blood samples were collected and analyzed for red blood cell (RBC) parameters, hemoglobin (Hb) typing and DNA analysis for G6PD mutations and α-thalassemia (α-thal)...
December 18, 2017: Hemoglobin
https://www.readbyqxmd.com/read/29245041/stability-of-postmortem-methemoglobin-artifactual-changes-caused-by-storage-conditions
#15
Vincent Varlet, Elenore Ryser, Marc Augsburger, Cristian Palmiere
Hemoglobin is the protein in red blood cells that carries and distributes oxygen to the body. Methemoglobinemia is a blood disorder in which an abnormal amount of methemoglobin (MetHb), a form of hemoglobin (Hb), is produced from either inadequate MetHb reductase activity or too much MetHb production or by exposure to oxidizing agents. This could lead to anoxia and death if it is not treated. However, this parameter has not been investigated as a valid post-mortem indicator because random MetHb levels have been observed in various studies: MetHb increases can be observed due to autoxidation during storage, and MetHb decreases can be observed due to MetHb reductase or microbial activity in post-mortem samples...
December 8, 2017: Forensic Science International
https://www.readbyqxmd.com/read/29240263/cytochemical-flow-analysis-of-intracellular-g6pd-and-aggregate-analysis-of-mosaic-g6pd-expression
#16
Michael Kalnoky, Germana Bancone, Maria Kahn, Cindy S Chu, Nongnud Chowwiwat, Pornpimon Wilaisrisak, Sampa Pal, Nicole LaRue, Brandon Leader, Francois Nosten, Gonzalo J Domingo
BACKGROUND: Medicines that exert oxidative pressure on red blood cells (RBC) can cause severe hemolysis in patients with glucose-6-phosphate dehydrogenase (G6PD) deficiency. Due to X-chromosome inactivation, females heterozygous for G6PD with one allele encoding a G6PD deficient protein and the other a normal protein produce two RBC populations each expressing exclusively one allele. The G6PD mosaic is not captured with routine G6PD tests. METHODS: An open-source software tool for G6PD cytofluorometric data interpretation is described...
December 14, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/29238999/physiological-gas-exchange-mapping-of-hyperpolarized-129-xe-using-spiral-ideal-and-moxe-in-a-model-of-regional-radiation-induced-lung-injury
#17
Brandon Zanette, Elaine Stirrat, Salomeh Jelveh, Andrew Hope, Giles Santyr
PURPOSE: To map physiological gas exchange parameters using dissolved hyperpolarized (HP) 129 Xe in a rat model of regional radiation-induced lung injury (RILI) with spiral-IDEAL and the model of xenon exchange (MOXE). Results are compared to quantitative histology of pulmonary tissue and red blood cell (RBC) distribution. METHODS: Two cohorts (n=6 each) of age-matched rats were used. One was irradiated in the right-medial lung, producing regional injury. Gas exchange was mapped four weeks post-irradiation by imaging dissolved-phase HP 129 Xe using spiral-IDEAL at five gas exchange timepoints using a clinical 1...
December 14, 2017: Medical Physics
https://www.readbyqxmd.com/read/29238303/near-wall-migration-dynamics-of-erythrocytes-in-vivo-effects-of-cell-deformability-and-arteriolar-bifurcation
#18
Bumseok Namgung, Yan Cheng Ng, Hwa Liang Leo, Joseph M Rifkind, Sangho Kim
Red blood cell (RBC) deformability has a significant impact on microcirculation by affecting cell dynamics. Despite previous studies that have demonstrated the margination of rigid cells and particles in vitro, little information is available on the in vivo margination of deformability-impaired RBCs under physiological flow and hematocrit conditions. Thus, in this study, we examined how the deformability-dependent, RBC migration alters the cell distribution under physiological conditions, particularly in arteriolar network flows...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29237417/red-cell-distribution-width-associated-with-adverse-cardiovascular-outcomes-in-patients-with-chronic-kidney-disease
#19
Yueh-An Lu, Pei-Chun Fan, Cheng-Chia Lee, Victor Chien-Chia Wu, Ya-Chung Tian, Chih-Wei Yang, Yung-Chang Chen, Chih-Hsiang Chang
BACKGROUND: Recent studies have demonstrated that red cell distribution width (RDW) is associated with cardiovascular (CV) events and mortality. Patients with chronic kidney disease (CKD) are often anemic and have high RDW levels. In this study, we investigated the effect of RDW on major composite CV outcomes among patients with CKD. METHODS: We retrospectively analyzed patients with CKD who were admitted to the department of cardiology of a tertiary hospital in 2011...
December 13, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/29227977/red-blood-cell-distribution-width-is-an-independent-predictor-of-aki-and-mortality-in-patients-in-the-coronary-care-unit
#20
Yugang Hu, Huilan Liu, Shuai Fu, Jing Wan, Xiaoning Li
BACKGROUND/AIMS: We investigated the hypothesis that RDW is an independent predictor of acute kidney injury (AKI) and mortality in patients in the coronary care unit (CCU). METHODS: In this prospective, observational study, we screened 412 adults admitted to the CCU at Zhongnan Hospital of Wuhan University from January 1, 2014 to June 1, 2015. AKI was defined based on the KDIGO-AKI criteria. The survivors were followed up for up to 2 years after hospital discharge...
December 8, 2017: Kidney & Blood Pressure Research
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