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Apheresis

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https://www.readbyqxmd.com/read/29928171/platelet-transfusion-induces-alloimmunization-to-d-and-non-d-rhesus-antigens
#1
Johanna Reckhaus, Markus Jutzi, Stefano Fontana, Vera Ulrike Bacher, Marco Vogt, Michael Daslakis, Behrouz Mansouri Taleghani
Background: Platelet concentrates (PC) contain residual contaminating red blood cells (RBC), being higher in pooled buffy coat PC (BC-PC) than in apheresis units (AP-PC). Data about PC-induced alloimmunization against non-D Rhesus (Rh) antigens are limited. Methods: For all newly detected RhD and non-D alloantibodies between August 2015 and September /2017 we prospectively evaluated if they were triggered through PC by analyzing for incompatible RBC and/or PC transfusions...
May 2018: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/29921556/treatment-related-and-health-related-quality-of-life-in-lipoprotein-apheresis-patients
#2
V De Gucht, K Cromm, A Vogt, U Julius, B Hohenstein, R M Spitthöver, W Ramlow, V J J Schettler, S Maes
BACKGROUND: There is evidence for beneficial effects of lipoprotein apheresis (LA) in terms of reduction of cardiovascular events and interventions, but quality of life (QOL) in LA patients has only been explored in small samples. OBJECTIVE: In this study, both LA- or treatment-related and health-related QOL (HRQOL) were assessed in 206 LA patients. METHODS: Mental and physical HRQOL of the LA patients was assessed by means of the SF-12 as well as the EQ-5D...
May 26, 2018: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/29914982/systems-analysis-of-metabolism-in-platelet-concentrates-during-storage-in-platelet-additive-solution
#3
Freyr Jóhannsson, Steinn Guðmundsson, Giuseppe Paglia, Sveinn Guðmundsson, Bernhard Palsson, Ólafur E Sigurjónsson, Óttar Rolfsson
Platelets deteriorate over time when stored within blood banks through a biological process known as platelet storage lesion (PSL). Here we describe the refinement of biochemical network of platelet metabolism iAT-PLT-636 and its application to describe and investigate changes in metabolism during platelet storage. Changes to extracellular acetate and citrate were measured in buffy coat and apheresis platelet units over 10 days of storage in the platelet additive solution T-Sol. Metabolic network analysis of these data was performed alongside our prior metabolomics data to describe the metabolism of fresh (days 1-3), intermediate (days 4-6), and expired (days 7-10) platelets...
June 18, 2018: Biochemical Journal
https://www.readbyqxmd.com/read/29909101/lipoprotein-apheresis-acutely-reverses-coronary-microvascular-dysfunction-in-patients-with-severe-hypercholesterolemia
#4
Melinda D Wu, Federico Moccetti, Eran Brown, Brian P Davidson, Tamara Atkinson, J Todd Belcik, George Giraud, P Barton Duell, Sergio Fazio, Hagai Tavori, Sotirios Tsimikas, Jonathan R Lindner
OBJECTIVES: The study evaluated whether lipoprotein apheresis produces immediate changes in resting perfusion in subjects with severe hypercholesterolemia, and whether there is a difference in the response between peripheral and coronary microcirculations. BACKGROUND: Lipoprotein apheresis is used in patients with severe hypercholesterolemia to reduce plasma levels of low-density lipoprotein cholesterol. METHODS: Quantitative contrast-enhanced ultrasound perfusion imaging of the myocardium at rest and skeletal muscle at rest and during calibrated contractile exercise was performed before and immediately after lipoprotein apheresis in 8 subjects with severe hypercholesterolemia, 7 of whom had a diagnosis of familial hypercholesterolemia...
June 9, 2018: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29907094/severe-renal-fanconi-and-management-strategies-in-arthrogryposis-renal-dysfunction-cholestasis-syndrome-a-case-report
#5
Alejandra Rosales, Maissa Mhibik, Paul Gissen, Oscar Segarra, Susana Redecillas, Gema Ariceta
BACKGROUND: Arthrogryposis-Renal dysfunction-Cholestasis syndrome (ARC, MIM#208085) is a rare multisystem disease due to mutations in the VPS33B and VIPAR genes, both involved in maintaining apical-basolateral cell polarity. The correlation between mutations and phenotype in the ARC Syndrome is not well described. We report on a 6 year old patient who presented with severe renal Fanconi as first manifestation of ARC related to a combined de novo mutation in the VPS33B gene. CASE PRESENTATION: A 6 year old girl presented during the first year of life with severe renal Fanconi as the first manifestation of ARC-Syndrome...
June 15, 2018: BMC Nephrology
https://www.readbyqxmd.com/read/29895931/a-phase-iv-randomized-multicenter-open-label-trial-comparing-efficacy-and-systemic-exposure-for-a-standard-weight-based-dose-versus-a-fixed-dose-of-plerixafor-in-combination-with-g-csf-in-patients-with-non-hodgkin-s-lymphoma-weighing-%C3%A2-70-kg
#6
John Kuruvilla, Cheng-Hwai Tzeng, Seok-Goo Cho, Seok Jin Kim, Jih-Luh Tang, Yaming Su, Jingyang Wu, Rita Vargo, Peter Cheverton
A randomized, multicenter, open-label study explored the effect of a fixed-dose (FD) of plerixafor versus the approved weight-based (WB) dose for the mobilization of hematopoietic stem cells (HSCs) in patients with non-Hodgkin's lymphoma and a body weight of ≤70 kg. After mobilization with granulocyte colony-stimulating factor (G-CSF) 10 μg/kg/day for 4 days, patients were randomized 1:1 to either plerixafor FD 20 mg (n = 30) or WB 0.24 mg/kg (n = 31) on the evening of Day 4. Co-primary endpoints were the proportion of patients achieving ≥5 × 106 CD34+ cells/kg in ≤4 days of apheresis, and total systemic exposure to plerixafor (area under the concentration-time curve from 0 to 10 h [AUC0-10 ])...
June 12, 2018: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/29891220/long-term-plasma-exchange-as-maintenance-therapy-for-cerebellar-type-hashimoto-s-encephalopathy-a-case-report
#7
Minh-Ha Tran, Haik Mkhikian, Michael Sy, Ingrid Perez-Alvarez, Michael Demetriou
Hashimoto's encephalopathy (HE) is a presumed autoimmune disorder associated with anti-thyroid autoantibodies and signs and symptoms of encephalopathy. A sub-type of HE is associated with cerebellar dysfunction and ataxia. Immunosuppressive therapy, particularly corticosteroid treatment, is utilized in the majority of cases. Short-term apheresis has been reported with variable patient responses. Here we report the case of a 72 year-old female with an ∼15 year history of cerebellar type HE that had profound improvement in symptoms after long-term apheresis treatment over an ∼2 year period...
May 29, 2018: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29890936/effects-of-nitric-oxide-donor-s-nitrosoglutathione-on-apoptosis-of-apheresis-platelets
#8
Xiongxin Zhang, Shifang Yu, Gang Deng, Yunlei He, Qiang Li, Lu Yu, Yong Yu
OBJECTIVES: The aim of this study is to investigate the effects of a Nitric oxide (NO) donor, S-nitrosoglutathione (GSNO), on apoptosis and the improvement of preservation quality in apheresis platelets. METHODS: A GSNO solution - to make the final GSNO concentration of 100 uM was added into fresh apheresis platelets, and the parameters associated with platelet morphology, metabolism, and apoptosis were dynamically monitored for seven days. RESULTS: The results showed that the NO level was remarkably higher during the whole storage stageafter GSNO injection...
June 11, 2018: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/29890549/pleiotropic-effect-of-lipoprotein-apheresis-on-the-soluble-form-of-activated-leukocyte-cell-adhesion-molecule-salcam-in-familial-hypercholesterolaemia
#9
Rüdiger von Bauer, Dimitrios Oikonomou, Alba Sulaj, Stefan Kopf, Thomas Fleming, Gottfried Rudofsky, Peter Nawroth
Atherosclerosis is an inflammatory disorder in which several converging immune responses modulate and induce lipid accumulation in macrophages. Activated leukocyte cell adhesion molecule (ALCAM) has been described as a structural homologue of HDL-receptor and functions as a pattern recognition receptor (PRR), while its soluble form sALCAM is involved in ALCAM-dependent and -independent immune mechanisms. The aim of this study was to investigate the effect of aggressive removal of low density lipoprotein-cholesterol (LDL-C) and lipoprotein(a) (Lp [a]) by lipoprotein-apheresis (LA) on sALCAM and blood viscosity as well as to evaluate its association with lipoproteins and serum markers of inflammation...
June 11, 2018: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/29887185/pediatric-transfusion-global-perspectives-on-some-clinical-and-methodological-aspects-of-cellular-therapy-apheresis-emergencies-and-blood-transfusion-in-pediatric-patients
#10
EDITORIAL
Jerard Segatchian, Irena Sniecinski
No abstract text is available yet for this article.
May 9, 2018: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29883065/upcoming-meetings-therapeutic-apheresis-and-dialysis-june-2018
#11
(no author information available yet)
No abstract text is available yet for this article.
June 2018: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/29883061/reflecting-upon-the-38th-annual-meeting-of-the-japanese-society-for-apheresis
#12
EDITORIAL
Shigaku Ikeda
No abstract text is available yet for this article.
June 2018: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/29880546/effects-of-repetitive-transendocardial-cd34-cell-transplantation-in-patients-with-non-ischemic-dilated-cardiomyopathy
#13
Bojan Vrtovec, Gregor Poglajen, Matjaz Sever, Gregor Zemljic, Sabina Frljak, Andraz Cerar, Marko Cukjati, Martina Jaklic, Peter Cernelc, Francois Haddad, Joseph C Wu
<u>Rationale:</u> Preclinical data in heart failure models suggest that repetitive stem cell therapy may be superior to single-dose cell administration. <u>Objective:</u> We investigated whether repetitive administration of CD34+ cells is superior to single dose administration in patients with non-ischemic dilated cardiomyopathy (DCM). <u>Methods and Results:</u> Of 66 patients with DCM, NYHA functional class III, and left ventricular ejection fraction (LVEF)< 40% enrolled in the study, 60 were randomly allocated to repetitive cell therapy (Group A, N=30), or single cell therapy (Group B, N=30)...
June 7, 2018: Circulation Research
https://www.readbyqxmd.com/read/29877295/guidelines-for-diagnosis-and-treatment-of-familial-hypercholesterolemia-2017
#14
Mariko Harada-Shiba, Hidenori Arai, Yasushi Ishigaki, Shun Ishibashi, Tomonori Okamura, Masatsune Ogura, Kazushige Dobashi, Atsushi Nohara, Hideaki Bujo, Katsumi Miyauchi, Shizuya Yamashita, Koutaro Yokote
Statement1. Familial hypercholesterolemia (FH) is an autosomal hereditary disease with the 3 major clinical features of hyper-LDL-cholesterolemia, premature coronary artery disease and tendon and skin xanthomas. As there is a considerably high risk of coronary artery disease, in addition to early diagnosis and intensive treatment, family screening (cascade screening) is required (Recommendation level A)2.For a diagnosis of FH, at least 2 of the following criteria should be satisfied:① LDL-C ≥180 mg/dL, ② Tendon/skin xanthomas, ③ History of FH or premature coronary artery disease (CAD) within 2nd degree blood relatives (Recommendation level A)3...
June 7, 2018: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/29873187/changes-in-the-expression-of-circulating-micrornas-in-systemic-lupus-erythematosus-patient-blood-plasma-after-passing-through-a-plasma-adsorption-membrane
#15
Yusuke Ishibe, Makio Kusaoi, Go Murayama, Takuya Nemoto, Takayuki Kon, Michihiro Ogasawara, Kazuo Kempe, Ken Yamaji, Naoto Tamura
MicroRNAs (miRNAs, miRs) are small non-coding RNAs that mainly function in the post-transcriptional regulation of genes. miRNA that is secreted outside of cells, and which circulates in the peripheral blood, is called circulating microRNA. Systemic lupus erythematosus (SLE) is a typical autoimmune connective tissue disease and is mainly treated with immunosuppressive drugs. Therapeutic apheresis is often used to eliminate autoantibodies and cytokines. We have previously shown that circulating miRNAs in the blood of patients with SLE can be separated and removed from the blood using a plasma separation membrane...
June 6, 2018: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/29870459/novel-approaches-to-block-complement
#16
Georg A Böhmig, Markus Wahrmann, Farsad Eskandary, Lionel Rostaing
The complement system may contribute in many ways to transplant injury, being a promising target for specific therapeutic interventions. There is evidence that the monoclonal anti-C5 antibody eculizumab is effective in the prevention and treatment of early antibody-mediated rejection (ABMR), but terminal complement blockade might be of limited efficiency in chronic rejection. Given the diversity of immunological events triggered by activation steps upstream to C5, in particular, opsonin and anaphylatoxin formation through C3 cleavage, one may argue that, in the specific context of ABMR, inhibition of antibody-triggered classical pathway (CP) activation might be beneficial...
June 4, 2018: Transplantation
https://www.readbyqxmd.com/read/29866529/case-report-rapid-regression-of-xanthomas-under-lipoprotein-apheresis-in-a-boy-with-homozygous-familial-hypercholesterolemia
#17
Julius Katzmann, Carsten Schürfeld, Winfried März, Ulrich Laufs
Xanthomas are visibly deforming cholesterol deposits that develop after long-term exposure to high serum low-density lipoprotein cholesterol concentrations. We present the case of a 10-year-old boy suffering from homozygous familial hypercholesterolemia with generalized atherosclerosis and large xanthomas. The case impressively demonstrates the potential of low-density lipoprotein cholesterol lowering to rapidly regress pathologic cutaneous manifestations of hypercholesterolemia.
June 1, 2018: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/29859130/thromboelastometry-guided-hemostatic-therapy-for-hemorrhagic-shock-in-the-postoperative-period-of-vascular-surgery-a-case-report
#18
Tomaz Crochemore, Felicio A Savioli
BACKGROUND: Hemorrhagic shock is a medical emergency that often complicates vascular surgery and can lead to death. Hemorrhagic shock is characterized by hypoperfusion and hemodynamic abnormalities leading to the collapse of homeostasis due to massive blood loss. Early diagnosis is critical for a favorable outcome. Thromboelastometry has been considered an effective tool for bleeding management in critically ill patients. Thromboelastometry can guide transfusion therapy quickly, reducing the need for blood products...
June 2, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29858106/treatment-of-very-preterm-preeclampsia-via-heparin-mediated-extracorporeal-ldl-precipitation-h-e-l-p-apheresis-the-freiburg-preeclampsia-h-e-l-p-apheresis-study
#19
K Winkler, C Contini, B König, B Krumrey, G Pütz, S Zschiedrich, U Pecks, D Stavropoulou, H Prömpeler, M Kunze, F Markfeld-Erol
OBJECTIVE: Soluble Fms-like tyrosine kinase-1 (sFlt-1) is thought to be causative in the pathogenesis of preeclampsia (PE) and specific removal of sFlt-1 via dextran sulfate cellulose (DSC)-apheresis was suggested as cure to allow prolongation of pregnancy in preterm PE. However, in addition a deranged lipoprotein metabolism may impact endothelial and placental function in PE. Lipoprotein-apheresis by heparin-mediated extracorporeal LDL-precipitation (H.E.L.P.) was previously applied and has been shown to alleviate symptoms in PE...
April 2018: Pregnancy Hypertension
https://www.readbyqxmd.com/read/29849020/adoption-and-application-in-italy-of-the-principal-guidelines-and-international-recommendations-on-venous-access
#20
Rosario Spina, Baudolino Mussa, Lara Tollapi, Fabio Conti, Enrico Cortesi, Roberto Verna
Vascular access is the commonest invasive procedure in secondary care. Vascular access is understood as being access to the bloodstream of acute and chronic patients for diagnostic and therapeutic purposes such as blood sampling, vessel pressure monitoring, fluid infusions (blood transfusions, parenteral nutrition), pharmacological treatments (e.g. antibiotic therapies, chemotherapy, analgesic therapies) or apheresis/dialysis through catheters that may remain in the vessels for weeks or months. There is a wide variety of options available for venous access...
June 2018: Minerva Medica
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