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Hiroyuki Matsumoto, Hirokazu Nishiyama, Yoshiaki Tetsuo, Hideki Takemoto, Naoyuki Nakao
BACKGROUND: Our initial experience using the two-stage aspiration technique (TSAT) with proximal flow arrest by a balloon guiding catheter is presented. In TSAT, aspiration is applied with the 5MAX ACE and also with the 3MAX catheter with a Penumbra aspiration pump, while arresting proximal flow by balloon inflation. METHODS: In patients treated with TSAT, clinical data including National Institutes of Health Stroke Scale (NIHSS) score at admission and the modified Rankin Scale (mRS) score at discharge, as well as procedural data including the Thrombolysis in Cerebral Infarction (TICI) score, procedural time, and complications were analyzed...
November 29, 2016: Journal of Neurointerventional Surgery
Hyungjo Kim, Chol Shin, Inkyung Baik
It has been suggested that iron overload, which indicates the accumulation of iron, generates cellular reactive oxygens and causes peroxide damages to the body. Such oxidative stresses, in a broader context, are also caused by lifestyles such as alcohol consumption and smoking. However, there are limited data on the association between these lifestyle factors and internal iron overload. In present study, we evaluated associations between lifestyle factors, such as smoking status, alcohol consumption, and physical activity, and serum markers of iron overload...
October 2016: Clinical Nutrition Research
L L Song, Q Q Zheng, C Xiao, J Guo, D Wu, J Y Su, L Y Zhou, C K Chang
Objective: To investigate the abnormalities of iron metabolism parameters, the prevalence and risk factors of iron overload and clinical characteristics of patients with myelodysplastic syndromes(MDS). Methods: Retrospective investigation was used to observe abnormal iron metabolism parameters and clinical characteristics of newly diagnosed 94 MDS patients in our center from June 2015 to March 2016. Results: Of 94 patients, 71(75.53%)had a hemoglobin level of less than 100 g/L at diagnosis. Iron overload was observed in 52(55...
October 14, 2016: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
Patrick Biggar, Frank Leistikow, Andreas Walper
AIMS: The aim of this study was to investigate the effectiveness, safety, and tolerability of iron isomaltoside in routine practical care of iron deficiency anemia (IDA) in patients with chronic renal failure. METHODS: The study included 698 patients with IDA on dialysis or with nondialysis chronic kidney disease (CKD) stages 3 - 5 designated by their physicians for treatment with iron isomaltoside. Data were recorded at baseline and after 3 and 9 months. Effectiveness data included measurement of hemoglobin (Hb), hematocrit, s-iron, transferrin saturation (TSAT), and s-ferritin...
October 14, 2016: Clinical Nephrology
Albertine E Donker, Charlotte C M Schaap, Vera M J Novotny, Roel Smeets, Tessa M A Peters, Bert L P van den Heuvel, Martine F Raphael, Anita W Rijneveld, Inge M Appel, Andre J Vlot, A Birgitta Versluijs, Michel van Gelder, Bernd Granzen, Mirian C H Janssen, Alexander J M Rennings, Frank L van de Veerdonk, Paul P T Brons, Dirk L Bakkeren, Marten R Nijziel, L Thom Vlasveld, Dorine W Swinkels
TMPRSS6 variants that affect protein function result in impaired matriptase-2 function and consequently uninhibited hepcidin production, leading to iron refractory iron deficiency anemia (IRIDA). This disease is characterized by microcytic, hypochromic anemia and serum hepcidin values that are inappropriately high for body iron levels. Much is still unknown about its pathophysiology, genotype-phenotype correlation, and optimal clinical management. We describe 14 different TMPRSS6 variants, of which 9 are novel, in 21 phenotypically affected IRIDA patients from 20 families living in the Netherlands; 16 out of 21 patients were female...
December 2016: American Journal of Hematology
Teresa Kurzawa, Aleksander Owczarek, Joanna K Strzelczyk, Karolina Gołąbek, Andrzej Wiczkowski
BACKGROUND: Chronic renal disease constitutes a serious worldwide clinical problem. An important issue arising early during the treatment of renal failure is anemia. Patients in the end-stage of renal disease chronically treated with hemodialysis frequently suffer from anemia with iron deficiency. OBJECTIVES: The aim of the study was to evaluate the usefulness of determining the reticulocyte hemoglobin content and serum concentration of soluble transferrin receptor in the detection of anemia caused by iron deficiency in comparison with the classic markers of iron circulation in serum in chronic dialysis patients with ESRD...
May 2016: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
Ugo Salvadori, Marco Sandri, Cristina Melli, Francesca Polese, Maria Simeoni, Stefano Capelli, Ahmad Al-Khaffaf
BACKGROUND: The aim of this study was to evaluate the effectiveness of ferric carboxymaltose (FCM) in patients with iron deficiency anemia (IDA) secondary to gastrointestinal chronic blood loss (CBL), who received chronic transfusion support. STUDY DESIGN AND METHODS: We retrospectively evaluated 38 patients with IDA (hemoglobin [Hb] < 10 g/dL and ferritin < 12 ng/mL or transferrin saturation [TSAT] < 16%) refractory or intolerant to oral iron therapy that necessitated transfusion support in the previous 12 months...
September 7, 2016: Transfusion
Sohan Kumar Sharma, Shalabh Kumar Agarwal, Kapil Bhargava, Mukesh Sharma, Karan Chopra, Gopinath Arumugam
OBJECTIVE: To estimate the prevalence and pattern of iron deficiency (ID) in heart failure (HF) patients with or without anemia. METHODS: This is a single-center observational study, conducted at a tertiary care hospital of south Rajasthan. Patients admitted to hospital with clinical diagnosis of HF based on validated clinical criteria were included in the study. ID was diagnosed based on complete Iron profile, including serum iron, serum ferritin, total iron binding capacity, and transferrin saturation (TSAT)...
July 2016: Indian Heart Journal
Istvan Danko, Marcy Weidkamp
OBJECTIVES: Iron deficiency anemia (IDA) is common in children with inflammatory bowel disease (IBD) affecting their cognitive development and school performance. Oral iron supplementation has serious limitations including poor adherence and iron malabsorption related to chronic inflammation. Our objective was to evaluate the feasibility of periodic intravenous (IV) iron treatments for correction of IDA in children with IBD. METHODS: This prospective study was conducted in 24 children with IBD treated with infliximab (IFX)...
November 2016: Journal of Pediatric Gastroenterology and Nutrition
Tony Bruns, Renwar Nuraldeen, Martina Mai, Sven Stengel, Henning W Zimmermann, Eray Yagmur, Christian Trautwein, Andreas Stallmach, Pavel Strnad
BACKGROUND & AIMS: Iron represents an essential, but potentially harmful micronutrient, whose regulation has been associated with poor outcome in liver disease. Its homeostasis is tightly linked to oxidative stress, bacterial infections and systemic inflammation. To study the prognostic short-term significance of iron parameters in a cohort study of patients with decompensation of cirrhosis at risk of acute-on-chronic liver failure (ACLF). METHODS: Ferritin, transferrin, iron, transferrin saturation (TSAT) and hepcidin were determined in sera from 292 German patients hospitalized for decompensation of cirrhosis with ascites, of which 78 (27%) had ACLF...
July 30, 2016: Liver International: Official Journal of the International Association for the Study of the Liver
Akiyo Yamasaki, Koichiro Yoda, Hidenori Koyama, Shinsuke Yamada, Yoshihiro Tsujimoto, Senji Okuno, Shigeki Okada, Masaaki Inaba
BACKGROUND/AIMS: Fatigue is a common symptom in patients receiving hemodialysis (HD) and is generally associated with anemia. However, it can be difficult to resolve, even when anemia has been treated using erythropoiesis-stimulating agents and iron replacement therapy. In the present study, we examined the associations of anemia, the erythropoietin resistance index (ERI) and iron deficiency with fatigue during HD. METHODS: In this cross-sectional study, fatigue score was calculated on the basis of questionnaire responses in HD patients...
2016: Nephron
Frank J Palella, Rebeccah McKibben, Wendy S Post, Xiuhong Li, Matthew Budoff, Lawrence Kingsley, Mallory D Witt, Lisa P Jacobson, Todd T Brown
Methods.  In a cross-sectional substudy of the Multicenter AIDS Cohort Study, noncontrast cardiac computed tomography (CT) scanning for coronary artery calcium (CAC) scoring was performed on all men, and, for men with normal renal function, coronary CT angiography (CTA) was performed. Associations between fat depots (visceral adipose tissue [VAT], abdominal subcutaneous adipose tissue [aSAT], and thigh subcutaneous adipose tissue [tSAT]) with coronary plaque presence and extent were assessed with logistic and linear regression adjusted for age, race, cardiovascular disease (CVD) risk factors, body mass index (BMI), and human immunodeficiency virus (HIV) parameters...
April 2016: Open Forum Infectious Diseases
M E Elsayed, M U Sharif, A G Stack
Iron is an essential element for several metabolic pathways and physiological processes. The maintenance of iron homeostasis within the human body requires a dynamic and highly sophisticated interplay of several proteins, as states of iron deficiency or excess are both potentially deleterious to health. Among these is plasma transferrin, which is central to iron metabolism not only through iron transport between body tissues in a soluble nontoxic form but also through its protective scavenger role in sequestering free toxic iron...
2016: Advances in Clinical Chemistry
Adrian C Covic, Jürgen Floege, Markus Ketteler, Stuart M Sprague, Laura Lisk, Viatcheslav Rakov, Anjay Rastogi
BACKGROUND: Sucroferric oxyhydroxide is a non-calcium, iron-based phosphate binder indicated for the treatment of hyperphosphataemia in adult dialysis patients. This post hoc analysis of a randomized, 24-week Phase 3 study and its 28-week extension was performed to evaluate the long-term effect of sucroferric oxyhydroxide on iron parameters. METHODS: A total of 1059 patients were randomized to sucroferric oxyhydroxide 1.0-3.0 g/day (n = 710) or sevelamer carbonate ('sevelamer') 2...
June 23, 2016: Nephrology, Dialysis, Transplantation
Sandra Ribeiro, Patrícia Garrido, João Fernandes, Susana Rocha, Petronila Rocha-Pereira, Elísio Costa, Luís Belo, Flávio Reis, Alice Santos-Silva
The crosstalk between several factors controlling hepcidin synthesis is poorly clarified for different physiological and pathological conditions. Our aim was to study the impact of increasing recombinant human erythropoietin (rHuEPO) doses on erythropoiesis, iron metabolism and hepcidin, using a rat model. Male Wistar rats were divided in 5 groups: control (vehicle) and rHuEPO-treated groups (100, 200, 400 and 600IU/kgbody weight/week), 3 times per week, during 3weeks. Hematological and iron data were evaluated...
July 2016: Blood Cells, Molecules & Diseases
Carlo A Gaillard, Andreas H Bock, Fernando Carrera, Kai-Uwe Eckardt, David B Van Wyck, Sukhvinder S Bansal, Maureen Cronin, Yvonne Meier, Sylvain Larroque, Simon D Roger, Iain C Macdougall
Hepcidin is the key regulator of iron homeostasis but data are limited regarding its temporal response to iron therapy, and response to intravenous versus oral iron. In the 56-week, open-label, multicenter, prospective, randomized FIND-CKD study, 626 anemic patients with non-dialysis dependent chronic kidney disease (ND-CKD) and iron deficiency not receiving an erythropoiesis stimulating agent were randomized (1:1:2) to intravenous ferric carboxymaltose (FCM), targeting higher (400-600μg/L) or lower (100-200μg/L) ferritin, or to oral iron...
2016: PloS One
Naomi Niari Dalimunthe, Abdurrahim Rasyid Lubis
INTRODUCTION: Reticulocyte hemoglobin equivalent (RET-He) is a new parameter for evaluating iron status. This study aims to assess diagnostic value and investigate RET-He as early predictor of response to intravenous iron supplementation. METHODS: Seventy-two regular hemodialysis patients at Adam Malik Hospital were studied from April to May 2011. RET-He was compared with conventional iron parameters for identification of iron deficiency. Fifteen patients with iron deficiency anemia were selected to receive 100 mg iron sucrose intravenous during every dialysis session (2x/weeks) for 4 weeks...
January 2016: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
L Haupt, R Weyers
INTRODUCTION: Functional iron deficiency (FID) is characterized by adequate body iron stores with an inadequate rate of iron delivery for erythropoiesis. In chronic kidney failure (CKD), iron availability is best assessed using the percentage of hypochromic red cells (%Hypo). The aim of our study was to determine the FID status of haemodialysis patients in central South Africa, using the %Hypo analyte and to evaluate the ability of the currently used biochemical tests, transferrin saturation (TSat) and serum ferritin to diagnose FID...
August 2016: International Journal of Laboratory Hematology
Rui Yin, Hui Qiu, Huaiyun Zuo, Min Cui, Nailiang Zhai, Hongguang Zheng, Dewei Zhang, Ping Huo, Min Hong
To explore detection and adequacy evaluation of erythrocyte glutathione S transferase (GST) on levels of circulating toxins in hemodialysis patients in Qinhuangdao region in China, this study divided 84 cases of long-term, end-stage hemodialysis patients into 2 groups: one group of 33 cases of adequate hemodialysis (spKt/V ≥ 1.3) and another group of 51 cases of inadequate hemodialysis (spKt/V < 1.3), according to the urea index value of the unit chamber model (spKt/V). Another 50 cases of subjects found healthy by a physical examination were taken as the control group, and the differences in the related clinical and biochemical indexes of the 3 groups were compared and analyzed...
August 2016: Artificial Cells, Nanomedicine, and Biotechnology
Philipp Krisai, Stefanie Leib, Stefanie Aeschbacher, Thomas Kofler, Mustafa Assadian, Anna Maseli, John Todd, Joel Estis, Martin Risch, Lorenz Risch, David Conen
AIMS: Several biomarkers within the iron metabolism pathway have been related to the occurrence of diabetes mellitus, but underlying mechanisms are unknown. The aim of our study was to investigate the differential relationships of iron metabolism with a broad range of diabetes markers in young and healthy adults. DESIGN: 2160 participants aged 25 to 41years were enrolled in a population-based study. Established cardiovascular disease, diabetes or a body mass index >35kg/m(2) were exclusion criteria...
July 2016: European Journal of Internal Medicine
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