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https://www.readbyqxmd.com/read/29454332/do-pregnancies-reduce-iron-overload-in-hfe-hemochromatosis-women-results-from-an-observational-prospective-study
#1
Virginie Scotet, Philippe Saliou, Marianne Uguen, Carine L'Hostis, Marie-Christine Merour, Céline Triponey, Brigitte Chanu, Jean-Baptiste Nousbaum, Gerald Le Gac, Claude Ferec
BACKGROUND: HFE hemochromatosis is an inborn error of iron metabolism linked to a defect in the regulation of hepcidin synthesis. This autosomal recessive disease typically manifests later in women than men. Although it is commonly stated that pregnancy is, with menses, one of the factors that offsets iron accumulation in women, no epidemiological study has yet supported this hypothesis. The aim of our study was to evaluate the influence of pregnancy on expression of the predominant HFE p...
February 17, 2018: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29447801/a-clinical-pathway-for-the-postoperative-management-of-hypocalcemia-after-pediatric-thyroidectomy-reduces-blood-draws
#2
Neha A Patel, Randall A Bly, Seth Adams, Kristen Carlin, Sanjay R Parikh, John P Dahl, Scott Manning
OBJECTIVES: Postoperative calcium management is challenging following pediatric thyroidectomy given potential limitations in self-reporting symptoms and compliance with phlebotomy. A protocol was created at our tertiary children's institution utilizing intraoperative parathyroid hormone (PTH) levels to guide electrolyte management during hospitalization. The objective of this study was to determine the effect of a new thyroidectomy postoperative management protocol on two primary outcomes: (1) the number of postoperative calcium blood draws and (2) the length of hospital stay...
February 2018: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/29439934/suppressed-networks-of-inflammatory-mediators-characterize-chronic-venous-insufficiency
#3
Ulka Sachdev, Lena Vodovotz, Julie Bitner, Derek Barclay, Ruben Zamora, Jinling Yin, Richard L Simmons, Yoram Vodovotz
OBJECTIVE: Chronic venous insufficiency (CVI) affects 25 million adults in the United States. Little emphasis has been placed on inflammatory changes associated with CVI. We hypothesize that in patients with early to mid-stage benign varicose vein disease, differences in circulating inflammatory mediators will be manifested in blood draining the involved area vs circulating blood in control subjects. METHODS: Patients undergoing either endovenous ablation or sclerotherapy for Clinical, Etiology, Anatomy, and Pathophysiology clinical class 3 to 5 disease underwent phlebotomy from regional veins at the time of the procedure...
February 10, 2018: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/29439918/short-term-administration-of-recombinant-human-erythropoietin-decreases-b-cell-number-in-human-peripheral-blood
#4
Tomomi Nagashima, Akihiko Yokohama, Kie Nagai, Tetsuhiro Kasamatsu, Nanami Gotoh, Hirono Iriuchishima, Tomomi Sekigami, Takayuki Saitoh, Hiroshi Handa, Norifumi Tsukamoto, Hirokazu Murakami
OBJECTIVES: There are conflicting results on the influence of recombinant human erythropoietin (rHuEPO) administration to lymphocytes, especially to B cells. METHODS: We analyzed peripheral white blood cell (WBC) subsets in patients who received one bolus administration of rHuEPO. 119 autologous blood donors were enrolled in this study. Fourty-nine out of them were treated with rHuEPO. Blood samples were obtained before the first phlebotomy and one week later before the second one...
February 2, 2018: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29427461/thromboembolism-prophylaxis-in-patients-with-philadelphia-negative-myeloproliferative-neoplasms-clinical-practice-among-nordic-specialists
#5
O W Bjerrum, J Samuelsson, W Ghanima, M Kauppila, C L Andersen
BACKGROUND: Patients with Philadelphia chromosome-negative myeloproliferative neoplasms (MPNs) have higher risks of developing thromboembolisms compared to the general population. International guidelines on the management of MPNs therefore include recommendations concerning thromboembolism prophylaxis. In clinical practice strict adherence to guidelines may be challenging and dependent on factors such as physician experience, outpatient clinic setting and access to therapy, however, no data exist on physician adherence or patient compliance to thromboembolism prophylaxis in MPNs...
February 10, 2018: European Journal of Haematology
https://www.readbyqxmd.com/read/29409798/are-laboratory-tests-always-needed-frequency-and-causes-of-laboratory-overuse-in-a-hospital-setting
#6
Janne Cadamuro, Martin Gaksch, Helmut Wiedemann, Giuseppe Lippi, Alexander von Meyer, Astrid Pertersmann, Simon Auer, Cornelia Mrazek, Ulrike Kipman, Thomas K Felder, Hannes Oberkofler, Elisabeth Haschke-Becher
BACKGROUND: Inappropriate utilization of laboratory resources is an increasing concern especially in high-throughput facilities. Until now, no reliable information has been published addressing to which extent laboratory results are actually used for clinical decision-making. Therefore, we aimed to close this gap using a novel retrospective approach including a survey of clinicians and nurses. METHODS: We retrospectively evaluated the number of re-orders for potassium (K), lactate dehydrogenase (LD), aspartate-aminotransferase (AST), activated partial thromboplastin-time (APTT) and prothrombin-time/INR (PT/INR), after the initial order had to be cancelled due to preanalytical non-conformities...
February 2, 2018: Clinical Biochemistry
https://www.readbyqxmd.com/read/29398812/evaluation-of-the-role-of-novel-aprotic-dimethyl-sulfoxide-in-cutaneous-antisepsis-protocols-prior-to-blood-donor-phlebotomy-with-isopropyl-alcohol-povidone-iodine-or-chlorhexidine
#7
Suchet Sachdev, Nandini Sethuraman, Vikas Gautam, Deepak Pahwa, Anuradha Kalra, Ratti Ram Sharma, Neelam Marwaha, Pallab Ray
The study was planned to measure the reduction of the load of bacterial flora on the blood donor's arm quantitatively using a three step protocol of donor arm cleansing incorporating either 70% isopropyl alcohol (IPA) or 5% w/v povidone iodine (PVI, 0.5% w/v available iodine) or 4% chlorhexidine gluconate (CHG) with or without the addition of 5% dimethyl sufloxide (DMSO). Single blind randomized study after obtaining ethical clearance, using the Miles and Misra technique for quantification and matrix assisted laser desorption ionization-mass spectrometry for identification of colony morphotypes on blood donor's skin...
January 2018: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/29396713/efficacy-and-safety-of-ruxolitinib-after-and-versus-interferon-use-in-the-response-studies
#8
Jean-Jacques Kiladjian, Paola Guglielmelli, Martin Griesshammer, Guray Saydam, Tamas Masszi, Simon Durrant, Francesco Passamonti, Mark Jones, Huiling Zhen, Jingjin Li, Brian Gadbaw, Julian Perez Ronco, Mahmudul Khan, Srdan Verstovsek
Ruxolitinib was well tolerated and superior to best available therapy (including interferon [IFN]) in controlling hematocrit without phlebotomy eligibility, normalizing blood counts, and improving polycythemia vera-related symptoms in the Study of Efficacy and Safety in Polycythemia Vera Subjects Who Are Resistant to or Intolerant of Hydroxyurea: JAK Inhibitor INC424 (INCB018424) Tablets Versus Best Available Care (RESPONSE) studies. This ad hoc analysis focuses on ruxolitinib in relation to IFN in the RESPONSE studies, with attention on the following: (1) safety and efficacy of ruxolitinib and best available therapy in patients who received IFN before study randomization, (2) safety and efficacy of IFN during randomized treatment in best available therapy arm, and (3) use of ruxolitinib after crossover from best available therapy in IFN-treated patients...
February 2, 2018: Annals of Hematology
https://www.readbyqxmd.com/read/29384977/improvement-of-chronic-hepatitis-b-by-iron-chelation-therapy-in-a-patient-with-iron-overload-a-case-report
#9
Dong-Mei Zou, Dong-Dong Rong, Hong Zhao, Li Su, Wan-Ling Sun
RATIONALE: This report describes seroconversion of hepatitis B surface antigen (HBsAg) in a patient with marked iron overload caused by chronic hepatitis B (CHB) after receiving iron chelation therapy and discusses the role of iron chelation therapy in CHB. PATIENT CONCERNS: Increased serum ferritin level for 2 months. DIAGNOSIS: Secondary iron overload and CHB. INTERVENTION: To relieve iron load of the body, the patient underwent regular phlebotomy therapy and deferoxamine (DFO) therapy...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29364032/feline-primary-erythrocytosis-a-multicentre-case-series-of-18-cats
#10
Hannah Darcy, Katherine Simpson, Isuru Gajanayake, Mayank Seth, Yvonne McGrotty, Balazs Szladovits, Barbara Glanemann
Case series summary A retrospective multicentre case series of feline primary erythrocytosis (PE) was evaluated. The aim was to gain better understanding of disease presentation and progression to guide management and prognostication. Case records were assessed for evidence of increased packed cell volume (PCV; >48%), sufficient investigation to rule out relative and secondary erythrocytosis, and follow-up data for at least 12 months or until death. Eighteen cats were included in the case series. No significant trends in signalment were noted...
January 1, 2018: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/29340339/other-estimation-of-blood-losses-in-hemodialysis-and-formula-for-translating-liver-iron-concentration-from-iron-balance-calculation-based-on-iron-removal-by-phlebotomy
#11
https://www.readbyqxmd.com/read/29321547/polycythemia-vera-treatment-algorithm-2018
#12
REVIEW
Ayalew Tefferi, Alessandro M Vannucchi, Tiziano Barbui
Recently reported mature survival data have confirmed the favorable prognosis in polycythemia vera (PV), with an estimated median survival of 24 years, in patients younger than age 60 years old. Currently available drugs for PV have not been shown to prolong survival or alter the natural history of the disease and are instead indicated primarily for prevention of thrombosis. Unfortunately, study endpoints that are being utilized in currently ongoing clinical trials in PV do not necessarily target clinically or biologically relevant outcomes, such as thrombosis, survival, or morphologic remission, and are instead focused on components of disease palliation...
January 10, 2018: Blood Cancer Journal
https://www.readbyqxmd.com/read/29317969/pulse-pressure-analysis-to-guide-intraoperative-phlebotomy-prior-to-cardiac-surgery
#13
Brian Schloss, Dmitry Tumin, Aymen Naguib, Julie Rice, Mark Galantowicz, Joseph D Tobias
Background: The aim of this study was to evaluate the response of the LiDCO-rapid™ during intraoperative phlebotomy in anesthetized children prior to surgery for congenital heart disease. Methods: After the induction of general anesthesia and endotracheal intubation, baseline vital signs were recorded, along with pulse pressure variability (PPV) and stroke volume variability (SVV) from the LiDCO-rapid™ and cerebral oxygenation (rSO2) using near-infrared spectroscopy (NIRS)...
December 2017: Cardiology Research
https://www.readbyqxmd.com/read/29313725/prognostic-risk-model-for-patients-with-high-risk-polycythemia-vera-and-essential-thrombocythemia
#14
Abhishek A Mangaonkar, Katherine P Hoversten, Naseema Gangat
Polycythemia Vera (PV) and Essential Thrombocythemia (ET) are the most frequent Philadelphia chromosome-negative myeloproliferative neoplasms, the other entity being myelofibrosis. Management of patients with PV and ET is fraught with difficulties as they have an inherent tendency to cause thrombotic and hemorrhagic events. There are no curative treatment options, therefore it is important that a risk-adapted treatment approach is applied. Areas covered: This review discusses existing literature about prognosis in PV and ET, and addresses critical aspects related to defining 'high-risk' disease...
January 20, 2018: Expert Review of Hematology
https://www.readbyqxmd.com/read/29302655/iron-reduction-response-and-demographic-differences-between-diabetics-and-non-diabetics-with-cardiovascular-disease-entered-into-a-controlled-clinical-trial
#15
Leo R Zacharski, Galina Shamayeva, Bruce K Chow
Iron-catalyzed oxygen-free radical-induced oxidative stress mediates the pathogenesis of diabetes and cardiovascular disease (CVD). Diabetics (n = 473) and non-diabetics (n = 804) with CVD entered into a randomized trial of iron (ferritin) reduction by calibrated phlebotomy (, Identifier NCT00032357) had comparable iron measures at entry but diabetics had a greater burden of CVD and comorbidities, lower hemoglobin and hematocrit levels, and higher glucose levels than non-diabetics. Entry iron measures were lower in diabetics on hypoglycemic therapy compared to previously untreated diabetics...
January 5, 2018: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/29300241/incidentally-detected-transfusion-associated-iron-overload-in-3-children-after-cancer-chemotherapy
#16
Dennis John Kuo, Pooja Bhagia
Iron overload is a potential long-term complication among cancer survivors who received transfusions during treatment. Although there are screening guidelines for iron overload in pediatric survivors of hematopoietic stem cell transplant, these do not call for screening of other pediatric oncology patients. In our practice we incidentally discovered 3 patients in a population of 168 cancer survivors over the span of 17 years who were treated for cancer without hematopoietic stem cell transplant who had iron overload...
January 3, 2018: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29290171/health-care-costs-and-thromboembolic-events-in-hydroxyurea-treated-patients-with-polycythemia-vera
#17
Shreekant V Parasuraman, Nianwen Shi, Dilan C Paranagama, Machaon Bonafede
BACKGROUND: Patients with polycythemia vera (PV) are at increased risk of thromboembolic events (TEs), which are key contributors to reduced overall survival compared with the age- and sex-matched general population. In addition to aspirin and phlebotomy to maintain hematocrit level < 45%, many patients receive cytoreduction with hydroxyurea (HU), which is associated with improved survival and may reduce the risk of cardiovascular events and TEs. However, 1 in 4 patients become resistant to or intolerant of HU...
January 2018: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/29285836/disease-and-treatment-characteristics-of-polycythaemia-vera-patients-in-belgium-results-from-a-scientific-survey
#18
Timothy Devos, Yves Beguin, Lucien Noens, Koen Van Eygen, Pierre Zachée, Philippe Mineur, Laurent Knoops, Chantal Doyen, Koen Theunissen, Fleur Samantha Benghiat, Michael Reusens, Wim Pluymers
OBJECTIVE: The current survey aimed to gather pre-defined disease parameters and treatment strategies to characterize the polycythaemia vera (PV) patient population in Belgium METHODS: Cross-sectional data from PV patients, seen at least once between May 2014 and May 2015 at 10 sites in Belgium, were collected in aggregated form and analysed descriptively and quantitatively RESULTS: Data from 343 PV patients were collected. Of these, 174 (50.7%) were male and 256 (74.6%) were ≥60 years of age...
December 29, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/29283911/dynamic-retina-vessel-color-change-during-ocular-compression-in-severe-lipemia-retinalis
#19
Maria Benson, Robert W Wong, Ryan C Young, James B Gibson, Yuxin Fan, Clio Armitage Harper
PURPOSE: The aim of this study was to describe dynamic color change in retinal vessels from white to coral pink due to externally applied ocular pressure in a 6-week-old infant with lipemia retinalis secondary to type 1b familial hyperlipoproteinemia. METHODS: Fundus images and fluorescein angiogram were taken with RetCam3 camera. Color photographs of pooled blood were taken during phlebotomy. RESULTS: Genetic analysis revealed a rare genetic mutation in the APOC2 gene, a lipoprotein lipase activator...
December 27, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/29272987/the-practicalities-of-establishing-a-porcine-isolated-heart-model
#20
Warren Pavey, Anthea Raisis, Ben Dunne, Els Van Laeken, Charles Jenkinson, Viji Vincent, Peter Baird, Stuart Prince, Kwok M Ho, Christopher Merry, Ian Gilfillan
BACKGROUND: The isolated heart apparatus is over 100 years old, but remains a useful research tool today. While designs of many large animal systems have been described in the literature, trouble-shooting and refining such a model to yield a stable, workable system has not been previously described. This paper outlines the issues, in tabular form, that our group encountered in developing our own porcine isolated heart rig with the aim of assisting other workers in the field planning similar work...
December 1, 2017: Perfusion
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