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https://www.readbyqxmd.com/read/28535630/-analysis-of-risk-factors-and-prognosis-for-bleeding-in-very-old-male-patients-with-stage-5-chronic-kidney-disease
#1
X Shen, Q G Ao, Q L Cheng, S Liu, J H Zhao, Q Ma, G Yang, Y Liu
Objective: To analyze the risk factors and prognosis of bleeding in very old male patients with stage 5 chronic kidney disease (CKD). Methods: The clinical data of 143 very old male patients with stage 5 CKD was retrospectively analyzed. According to the occurrence of bleeding, the patients were divided into two groups including the hemorrhage group and the non-hemorrhage group. The history of diseases, renal function, blood cell parameters and coagulation index were compared and analyzed between the two groups...
May 16, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28535394/red-blood-cell-alloimmunization-in-184-patients-with-myeloid-neoplasms-treated-with-azacitidine-a-retrospective-single-center-experience
#2
M Leisch, L Weiss, N Lindlbauer, C Jungbauer, A Egle, E Rohde, R Greil, C Grabmer, L Pleyer
Alloimmunization to Red Blood Cell (RBC) antigens frequently occurs in patients with myeloid neoplasms (AML, MDS and CMML) and potentially poses the patient at risk for delayed hemolytic transfusion reactions and limited supply of compatible RBC-units. However, there is comparatively little data on transfusion associated characteristics in this patient cohort. We therefore retrospectively analyzed transfusion requirements and clinical outcomes of 184 patients with myloid neoplasms treated with azacitidine at the Paracelsus Medical University Salzburg, which were included in the Austrian Registry of Hypomethylating Agents...
May 9, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28535035/fabrication-of-anti-biofouling-plasma-filtration-membrane-by-electrospinning-process-using-photo-crosslinkable-zwitterionic-phospholipid-polymers
#3
Jiae Seo, Ji-Hun Seo
The goal of this study is to fabricate a stable plasma filtration membrane with anti-biofouling properties via an electrospinning process. To this end, a random-type copolymer consisting of zwitterionic phosphorylcholine (PC) groups and ultraviolet (UV)-crosslinkable phenyl azide groups was synthesized. The zwitterionic PC group provides anti-biofouling properties, and the phenyl azide group enables the stable maintenance of the fibrous nanostructure of hydrophilic zwitterion polymers in aqueous medium via a simple UV curing process...
May 23, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28534370/research-on-the-coagulation-function-changes-in-non-small-cell-lung-cancer-patients-and-analysis-of-their-correlation-with-metastasis-and-survival
#4
Yongjun Qi, Jingwei Fu
PURPOSE: To investigate the relationship between coagulation function and prognosis of non-small cell lung cancer (NSCLC) patients. METHODS: 539 patients who were admitted to our hospital for the first time from December 2008 to December 2013 and pathologically diagnosed as NSCLC were enrolled in this study (study group), while 80 healthy persons served as controls (control group). Morning fasting venous blood samples were collected for coagulation function indexes, such as prothrombin time (PT), prothrombin time activity (PTA), international normalized ratio (INR), activated partial thromboplastin time (APTT), fibrinogen (Fib), D-dimer (D-D) and platelet count (PLT) and the coagulation function and survival rate were compared...
March 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28534116/myeloid-neoplasms-with-germ-line-runx1-mutation
#5
REVIEW
Yoshihiro Hayashi, Yuka Harada, Gang Huang, Hironori Harada
Familial platelet disorder with propensity to myeloid malignancies (FPD/AML) is an autosomal dominant disorder characterized by quantitative and/or qualitative platelet defects with a tendency to develop a variety of hematological malignancies. Heterozygous germ line mutations in the RUNX1 gene are responsible genetic events for FPD/AML. Notably, about half of individuals in the family with germ line mutations in RUNX1 develop overt hematological malignancies. The latency is also relatively long as an average age at diagnosis is more than 30 years...
May 22, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28533924/interferon-free-treatments-in-patients-with-hepatitis-c-genotype-1-4-infections-in-a-real-world-setting
#6
Huascar Ramos, Pedro Linares, Ester Badia, Isabel Martín, Judith Gómez, Carolina Almohalla, Francisco Jorquera, Sara Calvo, Isidro García, Pilar Conde, Begoña Álvarez, Guillermo Karpman, Sara Lorenzo, Visitación Gozalo, Mónica Vásquez, Diana Joao, Marina de Benito, Lourdes Ruiz, Felipe Jiménez, Federico Sáez-Royuela, Asociación Castellano Y Leonesa de Hepatología ACyLHE
AIM: To investigated the real-world effectiveness and safety of various regimens of interferon-free treatments in patients infected with hepatitis C virus (HCV). METHODS: We performed an observational study to analyze different antiviral treatments administered to 462 HCV-infected patients, of which 56.7% had liver cirrhosis. HCV RNA after 4 wk of treatment and at 12 wk after treatment sustained virologic response (SVR) as well as serious adverse events (SAEs) was analyzed first for the whole cohort and then separately in patients who met or did not meet the inclusion criteria of a clinical trial (CT-met and CT-unmet, respectively)...
May 6, 2017: World Journal of Gastrointestinal Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28533260/relationship-between-monocyte-platelet-aggregation-and-endothelial-function-in-middle-aged-and-elderly-adults
#7
Andrew Haynes, Matthew D Linden, Elisa Robey, Louise H Naylor, Kay L Cox, Nicola T Lautenschlager, Daniel J Green
Low-grade inflammation, endothelial dysfunction, and platelet hyper-reactivity to agonists are associated with an increased risk of cardiovascular events. In vitro and animal studies infer an inverse mechanistic relationship between platelet activation and the production of endothelium-derived nitric oxide and prostacyclin. This concept is supported by evidence of an inverse relationship between endothelial function and platelet activation in high-risk cardiac patients. The aim of this study was to investigate what relationship, if any, exists between platelet and endothelial function in healthy, middle-aged, and elderly adults...
May 2017: Physiological Reports
https://www.readbyqxmd.com/read/28533253/selexipag-for-the-treatment-of-pulmonary-arterial-hypertension
#8
Zachary R Noel, Kazuhiko Kido, Tracy E Macaulay
PURPOSE: The pharmacology, pharmacokinetics, clinical efficacy, safety and tolerability, dosing and administration, and place in therapy of selexipag, an orally administered selective prostacyclin receptor agonist for the treatment of pulmonary arterial hypertension (PAH), are reviewed. SUMMARY: The first-in-class oral prostacyclin IP receptor agonist selexipag (Uptravi, Actelion Pharmaceuticals) was approved by the Food and Drug Administration in December 2015...
May 22, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28533199/clinical-relevance-of-thrombocytosis-in-primary-care-a-prospective-cohort-study-of-cancer-incidence-using-english-electronic-medical-records-and-cancer-registry-data
#9
Sarah Er Bailey, Obioha C Ukoumunne, Elizabeth A Shephard, Willie Hamilton
BACKGROUND: Thrombocytosis (raised platelet count) is an emerging risk marker of cancer, but the association has not been fully explored in a primary care context. AIM: To examine the incidence of cancer in a cohort of patients with thrombocytosis, to determine how clinically useful this risk marker could be in predicting an underlying malignancy. DESIGN AND SETTING: A prospective cohort study using Clinical Practice Research Datalink data from 2000 to 2013...
May 22, 2017: British Journal of General Practice: the Journal of the Royal College of General Practitioners
https://www.readbyqxmd.com/read/28533146/bioactive-lipids-derived-from-arachidonic-acid-metabolism-in-different-types-of-renal-replacement-therapy
#10
Joanna Stępniewska, Barbara Dołęgowska, Kamila Puchałowicz, Edyta Gołembiewska, Kazimierz Ciechanowski
INTRODUCTION: Metabolism and plasma concentration of lipids and lipid-derived compounds play an important role in kidney physiology and pathological processes. The component of membrane phospholipids - arachidonic acid (AA) and its active derivatives - eicosanoids are involved in the development of hypertension, diabetes, inflammation and may contribute to progression of chronic kidney disease (CKD). The purpose of the study was to determine, whether the type of renal replacement therapy has an effect on eicosanoids metabolism...
May 19, 2017: Chemistry and Physics of Lipids
https://www.readbyqxmd.com/read/28533135/enhanced-local-disorder-in-a-clinically-elusive-von-willebrand-factor-provokes-high-affinity-platelet-clumping
#11
Alexander Tischer, Venkata R Machha, Juan P Frontroth, Maria A Brehm, Tobias Obser, Reinhard Schneppenheim, Leland Mayne, S Walter Englander, Matthew Auton
Mutation of the cysteines forming the disulfide loop of the platelet GPIbα adhesive A1 domain of von Willebrand factor causes quantitative VWF deficiencies in the blood and von Willebrand disease. We report two cases of transient severe thrombocytopenia induced by DDAVP-treatment. Cys1272Trp and Cys1458Tyr mutations identified by genetic sequencing implicate an abnormal gain-of-function phenotype, evidenced by thrombocytopenia, that quickly relapses back to normal platelet counts and deficient plasma VWF. Using surface plasmon resonance, analytical rheology, and hydrogen-deuterium exchange mass spectrometry (HXMS), we decipher mechanisms of A1-GPIbα mediated platelet adhesion and resolve dynamic secondary structure elements that regulate the binding pathway...
May 19, 2017: Journal of Molecular Biology
https://www.readbyqxmd.com/read/28532416/erratum-to-effects-of-the-intradiscal-implantation-of-stromal-vascular-fraction-plus-platelet-rich-plasma-in-patients-with-degenerative-disc-disease
#12
Kristin Comella, Robert Silbert, Michelle Parlo
No abstract text is available yet for this article.
May 22, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28532338/design-of-amphiphilic-pcl-peg-pcl-block-copolymers-as-vehicles-of-ginkgolide-b-and-their-brain-targeting-studies
#13
Xi-Qing Yan, Yong-Li Shi, Qing-Feng Jiang, Guan-Fang Ping, Zhi-Jian Deng
The amphiphilic PEG-b-PCL block copolymers were synthesized by ring-opening polymerization. The specific and selective antagonists of platelet activating factor, Ginkgolide B (GB), was successfully encapsulated in the synthesized PEG-PCL nanoparticles (NPs) with high Encapsulation Efficiency and Drug Loading. The synthesis of different PEG-PCL copolymers were confirmed with FTIR and (1)H NMR spectra. The morphology and particles size distribution of cargo-free PEG-PCL NPs were studied by transmission electron microscope (TEM) analysis and Malvern laser particle analyzer...
May 22, 2017: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/28532226/novel-biological-therapies-for-the-treatment-of-diabetic-foot-ulcers
#14
Jennifer Adeghate, Syed Nurulain, Kornélia Tekes, Erzsébet Fehér, Huba Kalász, Ernest Adeghate
The number of people with diabetes mellitus (DM) is estimated to exceed 640 million by the year 2040. Diabetic foot ulcer (DFU) is a debilitating illness that affects more than 2% of DM patients. DFU is caused by DM-induced neural and vascular lesions leading to a reduced sensation and microcirculation. The increase in the prevalence of DFU has prompted researchers to find new therapies for the management of DFU. Areas covered: This review presents the current status of novel biological therapies used in the treatment of DFU...
May 22, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28532218/flow-chamber-and-microfluidic-approaches-for-measuring-thrombus-formation-in-genetic-bleeding-disorders
#15
Rogier M Schoeman, Marcus Lehmann, Keith B Neeves
Platelet adhesion and aggregation, coagulation, fibrin formation, and fibrinolysis are regulated by the forces and flows imposed by blood at the site of a vascular injury. Flow chambers designed to observe these events are an indispensable part of doing hemostasis and thrombosis research, especially with human blood. Microfluidic methods have provided the flexibility to design flow chambers with complex geometries and features that more closely mimic the anatomy and physiology of blood vessels. Additionally, microfluidic systems with integrated optics and/or pressure sensors and on-board signal processing could transform what have been primarily research tools into clinical assays...
May 22, 2017: Platelets
https://www.readbyqxmd.com/read/28532133/neutrophil-lymphocyte-ratio-in-different-stages-of-breast-cancer
#16
Fezzeh Elyasinia, Mohammad Reza Keramati, Farham Ahmadi, Susan Rezaei, Mohammad Ashouri, Reza Parsaei, Maryam Yaghoubi, Fahimeh Elyasinia, Armita Aboutorabi, Ahmad Kaviani
Despite many advances in the treatment of breast cancer, it is still the second most common cause of death in women in the United States. It has been shown that inflammation plays a major role in the treatment of these cancers and inflammatory factors enhance tumor growth, invasion, metastasis, and vascularization. In this study, we would like to analyze peripheral blood neutrophil-lymphocyte ratio (NLR) in breast cancer patients and its correlation with disease staging. This cross-sectional analytic study was conducted in Imam Hospital, affiliated with Tehran University of Medical Sciences; a total of 195 female patients with breast cancer met the inclusion criteria...
April 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28532074/highly-effective-cu-zn-carbon-micro-nanofiber-polymer-nanocomposite-based-wound-dressing-biomaterial-against-the-p-aeruginosa-multi-and-extensively-drug-resistant-strains
#17
Mohammad Ashfaq, Nishith Verma, Suphiya Khan
Pseudomonas aeruginosa (P. aeruginosa) is the most prevalent bacteria in the infections caused by burn, surgery, and traumatic injuries. Emergence of the P. aeruginosa bacterial resistance against various clinical drugs for wound treatment is the major concern nowadays. The present study describes the synthesis of the polyvinyl alcohol (PVA) and cellulose acetate phthalate (CAP) polymeric composite film (~0.2mm thickness) reinforced with the Cu/Zn bimetal-dispersed activated carbon micro/nanofiber (ACF/CNF), as a wound dressing material...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28532052/poly-%C3%AE%C2%B5-caprolactone-modification-via-surface-initiated-atom-transfer-radical-polymerization-with-bio-inspired-phosphorylcholine
#18
Liu He, Lei Huang, Songbai Zhang, Yuanwei Chen, Xianglin Luo
Bio-inspired phosphorylcholine modification on material surface has shown great promise in constructing biocompatible materials. In this study, poly(2-methacryloyloxyethyl phosphorylcholine) (PMPC) was grown on poly(ε-caprolactone) (PCL) surface in order to suppress protein adsorption and cells adhesion and to improve blood compatibility. The initiator for surface initiated atom transfer radical polymerization (SI-ATRP) was covalently tethered on PCL surface and then PMPC brushes with diverse graft amounts were grafted to PCL film...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28532047/porous-chitosan-microspheres-for-application-as-quick-in-vitro-and-in-vivo-hemostat
#19
Jixiang Li, Xiaowei Wu, Yanqing Wu, Zonghao Tang, Xun Sun, Meng Pan, Yufeng Chen, Juanjuan Li, Rongdong Xiao, Zhengchao Wang, Haiqing Liu
Controlling massive hemorrhage is of great importance to lower transfusional medical cost, and to reduce death and mobility rate in battlefield and civilian accidents. We reported the fabrication of porous chitosan microspheres (CSMS) with tunable surface pore size by microemulsion combined with thermally induced phase separation technique, and its application as a quick hemostat. Their hemostatic property was characterized by blood clotting kinetics, adherence interaction between red blood cells/platelets and CSMS, in vitro and in vivo hemostasis by rat tail amputation and liver laceration models, and histological analysis...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28532019/characterization-of-bladder-acellular-matrix-hydrogel-with-inherent-bioactive-factors
#20
Dan Jiang, Jianwen Huang, Huili Shao, Xuechao Hu, Lujie Song, Yaopeng Zhang
Bladder acellular matrix (BAM) hydrogel may have great potential in tissue engineering due to outstanding biocompatibility and the presence of inherent bioactive factors in BAM. In this study, we prepared the BAM hydrogel by the method of enzymatic solubilization with pepsin and characterize the microrheological properties of the BAM precursor solution. The structures of the BAM hydrogel were characterized by scanning electron microscope (SEM), Fourier-transform infrared spectroscopy (FTIR) and differential scanning calorimetry (DSC)...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
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