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Journal of Clinical Apheresis

Maciej Machaczka, Hans Hägglund, Emma Staver, Monika Joks, Moustapha Hassan, Björn Engelbrekt Wahlin, Ulla Axdorph Nygell
Mobilized PBSC are the main source for allogeneic HSCT. We aimed to evaluate factors that affect CD34+ cell yield including the donor's age, gender, BSA, processed blood volume and the method of G-CSF dose calculation. Data from 170 healthy donors were analyzed. The concentration of CD34+ cells in the peripheral blood (PB) and the processed volume of blood were significantly correlated to CD34+ cells yield (P < .00005 and P < .001, respectively). The G-CSF dose per m(2) was significantly correlated to the concentration of CD34+ cells in the PB (P = ...
January 19, 2017: Journal of Clinical Apheresis
Isaac Eliaz, Aarti Patil, Nalu Navarro-Alvarez, Zhirui Wang, Amity Eliaz, Elaine Weil, Barry Wilk, David H Sachs, Christene A Huang
BACKGROUND: Circulating galectin-3 (Gal-3) is elevated in systemic inflammatory disorders, fibrotic diseases, and in cancers. Gal-3 is a promising cancer target where it promotes tumorigenesis and metastasis, as well as in renal, pulmonary, hepatic, and cardiovascular diseases, because of its role as a driver of fibrotic remodeling. This reports goal was to establish methods for the detection and removal of porcine Gal-3 that will enable further studies of the therapeutic potential of Gal-3 depletion by apheresis in porcine disease models...
January 13, 2017: Journal of Clinical Apheresis
Robert A DeSimone, Sandeep N Wontakal, Alexander K Lyashchenko, Joseph Schwartz
Graft-versus-host disease (GVHD) is a complication of allogeneic hematopoietic stem cell transplantation with high morbidity and mortality. Extracorporeal photopheresis (ECP) is an effective therapy for treating medication-refractory GVHD, however, there is scant evidence of whether ECP can be safely performed in patients weighing less than 15 kg. Here, we report the implementation of a successful protocol to perform ECP in a 21-month-old, 10.6 kg female with medication-refractory GVHD. Our initial ECP treatment resulted in significant hemolysis that was most likely mechanical...
November 28, 2016: Journal of Clinical Apheresis
René Weiss, Michael B Fischer, Viktoria Weber
Lipoprotein apheresis is applied to deplete low density lipoprotein and other apolipoprotein B containing lipoproteins in patients with severe familial hypercholesterolemia, hypertriglyceridemia associated pancreatitis, or lipoprotein (a)-hyperlipoproteinemia. Anticoagulation of the extracorporeal circuit may influence cellular activation, as evidenced by a reduction of inflammatory parameters during regional citrate anticoagulation with acid citrate dextrose A (ACD-A) commonly used in whole blood lipid apheresis...
November 17, 2016: Journal of Clinical Apheresis
José Carlos Jaime-Pérez, Raúl Alberto Jiménez-Castillo, Karina Elizabeth Vázquez-Hernández, Rosario Salazar-Riojas, Nereida Méndez-Ramírez, David Gómez-Almaguer
BACKGROUND: Advances in automated cell separators have improved the efficiency of plateletpheresis and the possibility of obtaining double products (DP). We assessed cell processor accuracy of predicted platelet (PLT) yields with the goal of a better prediction of DP collections. STUDY DESIGN AND METHODS: This retrospective proof-of-concept study included 302 plateletpheresis procedures performed on a Trima Accel v6.0 at the apheresis unit of a hematology department...
November 11, 2016: Journal of Clinical Apheresis
G Jaimovich, M Castro, B Rosales Ostriz, M Fernandez, D Silveyra, R Campestri
No abstract text is available yet for this article.
October 27, 2016: Journal of Clinical Apheresis
Kathleen W Montgomery, Garrett S Booth
No abstract text is available yet for this article.
February 2017: Journal of Clinical Apheresis
Mehraboon S Irani, Matthew S Karafin, Luke Ernster
PURPOSE: A red cell exchange was performed to prevent a potentially fatal hemolytic transfusion reaction in a patient with anti-e who was transfused with e-antigen unscreened red blood cells during liver transplant surgery. CASE REPORT: A 64-year-old woman with cirrhosis due to hepatitis C was scheduled to receive a liver transplant. She had a previously documented anti-e, an antibody to the Rh(e)-antigen that is known to cause delayed hemolytic transfusion reactions...
February 2017: Journal of Clinical Apheresis
Katharina Lisenko, Petra Pavel, Thomas Bruckner, Joe Puthenparambil, Michael Hundemer, Anita Schmitt, Mathias Witzens-Harig, Anthony D Ho, Patrick Wuchter
Terumo BCT recently introduced a new system for mononuclear cell (MNC) collection that uses a Spectra Optia apheresis machine equipped with a redesigned disposable kit and software program (version 11.2). It allows for the continuous collection of MNCs, unlike the original Spectra Optia system (version 7.2), which included a chamber for two-step cell separation. The aim of this study was to compare the two apheresis systems in regard to specific performance parameters. A retrospective data analysis of 150 patients who had undergone peripheral blood stem cell collection between March of 2014 and May of 2015 at our institution was performed...
February 2017: Journal of Clinical Apheresis
Jay S Raval, Yara A Park, Edward C C Wong
No abstract text is available yet for this article.
February 2017: Journal of Clinical Apheresis
Laura Cooling, Sandra Hoffmann, Dawn Webb, Micheal Meade, Chisa Yamada, Robertson Davenport, Gregory Yanik
INTRODUCTION: Autologous peripheral blood hematopoietic progenitor cell collection (A-HPCC) in pediatric patients is considered relatively safe although technically challenging. Very little is known regarding the incidence, risk factors and impact of procedure-related adverse events (AE) on pediatric A-HPCC outcomes. METHODS: Prospective 4.5-year review of AE associated with pediatric A-HPCC. AE were graded by severity and type. Potential demographic and procedural risk factors, and the impact on product quality, were compared by t-test, chi-square, and linear regression...
February 2017: Journal of Clinical Apheresis
Paola Contini, Simone Negrini, Giorgia Bodini, Cecilia Trucchi, Gianluca Ubezio, Paolo Strada, Vincenzo Savarino, Massimo Ghio
Granulocyte and monocyte apheresis has been used in different immune-mediated disorders, mainly inflammatory bowel diseases. The removal of activated leukocytes and several additional immunomodulatory mechanisms have been so far suggested to explain the anti-inflammatory effects of the treatment. Recent data indicate that, during centrifugation based apheresis, sHLA-I adsorbed to plastic circuits is able to induce TGFβ1 production in activated leukocytes. On these bases, the present study was aimed at analyzing if this model could be applied to a noncentrifugation based apheresis, such as granulocyte and monocyte apheresis...
February 2017: Journal of Clinical Apheresis
Eswari Vilayur, Paul Trevillian, Munish Heer
Cold agglutinin disease is a rare cause of acute graft loss after renal transplantation. A 71-year-old female with end stage renal failure was diagnosed to have cold agglutinin disease when investigated for recurrent clotting of hemodialysis circuits. Kidney transplantation was a major challenge due to unavoidable exposure of the transplant kidney to cold temperatures. Large volume plasma exchange given pre-transplant and infusion of warm saline prior to anastomosis resulted in successful renal transplantation with good graft function despite initial delayed graft function...
February 2017: Journal of Clinical Apheresis
Julia-Tatjana Maul, Frank Stenner-Liewen, Burkhardt Seifert, Sarah Pfrommer, Ulf Petrausch, Michael K Kiessling, Urs Schanz, Gayathri Nair, Axel Mischo, Christian Taverna, Adrian Schmidt, Mario Bargetzi, Roger Stupp, Christoph Renner, Panagiotis Samaras
Biosimilars are increasingly being licensed as equipotent drugs, although efficacy and safety data are not available for all clinical indications. Accordingly, the efficacy of the biosimilar filgrastim Zarzio® combined with vinorelbine for chemo-mobilization of CD34+ hematopoietic progenitor cells (HPC) in patients with multiple myeloma has not been evaluated yet. We compared the efficacy of vinorelbine combined with this biosimilar filgrastim for HPC mobilization to vinorelbine plus original filgrastim (Neupogen®)...
February 2017: Journal of Clinical Apheresis
Mehmet Ozen, Mehmet Gunduz, Pervin Topcuoglu, Selami K Toprak, Klara Dalva, Gunhan Gurman, Osman Ilhan
PURPOSE: Peripheral stem cell transplantation is used as a life-saving therapeutic option in hematological malignancies. As previously established, most hematological malignancies are seen in the elderly population. Therefore, possible HLA-identical sibling donors of elderly patients are generally of an advanced age. In this study, we aimed to evaluate the effect of old age on stem cell mobilization and quality in older adult healthy sibling donors. MATERIALS AND METHODS: Between 2006 and 2014, we evaluated 38 healthy donors aged ≥55 years...
February 2017: Journal of Clinical Apheresis
Chisa Yamada, Huy P Pham, Yanyun Wu, Laura Cooling, Haewon C Kim, Shanna Morgan, Joseph Schwartz, Jeffrey L Winters, Edward C C Wong
BACKGROUND: Anti-muscle specific kinase antibody positive (MuSK Ab) myasthenia gravis (MG) patients are known to have different clinical course compared to anti-acetylcholine receptor Ab positive MG patients. Therapeutic plasma exchange (TPE) has been reported to be effective; however, little is known of the response and of TPE procedural information. An ASFA Apheresis Registry was developed to analyze those data. METHODS: The study collected detailed de-identified patient data, TPE procedures, and treatment outcome/complications...
February 2017: Journal of Clinical Apheresis
Christoph Grabmer, Sandra Schlager, Georg Mayer, Doris Streif, Thomas Lener, Katharina Schallmoser, Eva Rohde
BACKGROUND: Extracorporeal photopheresis (ECP) is an important cell-based therapy for various diseases but is limited to patients eligible for apheresis. We developed an alternative mini buffy coat (BC) preparation method using the Spectra Optia® apheresis system and compared its efficacy of white blood cell (WBC) recovery with the standard mini BC preparation method already established for pediatric patients. METHODS: Whole blood (450 ± 45 mL) samples were collected from 30 randomly selected healthy volunteer blood donors and divided into two groups...
February 2017: Journal of Clinical Apheresis
Chunlan Huang, Jie Liu, Yingying Lu, Junjie Fan, Xingpeng Wang, Jun Liu, Wei Zhang, Yue Zeng
AIM: To analyze the features and treatment of hypertriglyceridemia-induced acute pancreatitis (HTGP) during pregnancy. METHODS: A retrospective study of 21 pregnant women diagnosed with acute pancreatitis (AP) was performed. Patients were divided into acute biliary pancreatitis (ABP), HTGP, and idiopathic groups according to etiology. RESULTS: 95% of the patients were in the third trimester of gestation. The percentage of patients with HTGP was higher than that of ABP (48% vs...
December 2016: Journal of Clinical Apheresis
Sunil Abhyankar, Philip Lubanski, Shaun DeJarnette, Dean Merkel, Jennifer Bunch, Kelly Daniels, Omar Aljitawi, Tara Lin, Sid Ganguly, Joseph McGuirk
Adequate hematopoietic progenitor cell (HPC) collection is critical for patients undergoing autologous HPC transplant (AHPCT). Historically, 15 - 30% of patients failed HPC mobilization with granulocyte-colony stimulating factor (G-CSF) alone. Bortezomib, a proteasome inhibitor, has been shown to down regulate very late antigen-4 (VLA-4), an adhesion molecule expressed on HPCs. In this pilot study, bortezomib was administered on days -11 and -8 at a dose of 1.3 mg/m(2) intravenously (IV) or subcutaneously (SQ), followed by G-CSF 10 mcg/kg SQ, on days -4 to -1 prior to HPC collection (Day 1)...
December 2016: Journal of Clinical Apheresis
Huihui Li, Frances Condon, Debra Kessler, Vijay Nandi, Mark Rebosa, Mark Westerman, Beth H Shaz, Yelena Ginzburg
BACKGROUND: The loss of iron stores and resulting iron deficiency is well documented in whole blood or red blood cell donors. We hypothesized that relative iron deficiency also occurs as a result of more frequent platelet- and plasma-pheresis (apheresis) donation. MATERIALS AND METHODS: To test this hypothesis, we proposed a pilot cross-sectional study to analyze erythropoiesis- and iron-related parameters in white male apheresis donors: (1) relative to controls, (2) in correlation with apheresis donation frequency, and (3) in correlation with pre-donation platelet count...
December 2016: Journal of Clinical Apheresis
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