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https://www.readbyqxmd.com/read/29284229/iron-status-in-obese-women
#1
Hanna Stankowiak-Kulpa, Angelika Kargulewicz, Arkadiusz Styszyński, Ewelina Swora-Cwynar, Marian Grzymisławski
INTRODUCTION AND OBJECTIVE: A decreased concentration of iron, and consecutively haemoglobin, ferritin and decreased level of saturated transferrin, were observed in obese individuals more often than in healthy subjects. The purpose of this study was to determine whether iron, ferritin, transferrin saturation are significantly diminished in obese female patients compared to non-obese counterparts, and whether excess adiposity and inflammation were associated with depleted iron. MATERIAL AND METHODS: Female patients (n=48) diagnosed with obesity (BMI > 30 kg/m<sup>2</sup>), aged 18-40 were accepted for the study...
December 23, 2017: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/29248829/iron-loaded-transferrin-tf-is-detrimental-whereas-iron-free-tf-confers-protection-against-brain-ischemia-by-modifying-blood-tf-saturation-and-subsequent-neuronal-damage
#2
Nuria DeGregorio-Rocasolano, Octavi Martí-Sistac, Jovita Ponce, María Castelló-Ruiz, Mònica Millán, Verónica Guirao, Isaac García-Yébenes, Juan B Salom, Pedro Ramos-Cabrer, Enrique Alborch, Ignacio Lizasoain, José Castillo, Antoni Dávalos, Teresa Gasull
Despite transferrin being the main circulating carrier of iron in body fluids, and iron overload conditions being known to worsen stroke outcome through reactive oxygen species (ROS)-induced damage, the contribution of blood transferrin saturation (TSAT) to stroke brain damage is unknown. The objective of this study was to obtain evidence on whether TSAT determines the impact of experimental ischemic stroke on brain damage and whether iron-free transferrin (apotransferrin, ATf)-induced reduction of TSAT is neuroprotective...
December 2, 2017: Redox Biology
https://www.readbyqxmd.com/read/29227972/serum-hepcidin-and-iron-indices-affect-anemia-status-differently-according-to-the-kidney-function-of-non-dialysis-chronic-kidney-disease-patients-korean-cohort-study-for-outcome-in-patients-with-chronic-kidney-disease-know-ckd
#3
Sung Woo Lee, Yeong Hoon Kim, Wookyung Chung, Sue K Park, Dong Wan Chae, Curie Ahn, Yong-Soo Kim, Su Ah Sung
BACKGROUND/AIMS: No studies have examined the association among serum hepcidin, iron indices, or anemia status based on the kidney function of non-dialysis chronic kidney disease (CKD) patients. METHODS: We reviewed data of 2238 patients from a large-scale multicenter prospective Korean study (2011-2016) and excluded 198 patients with missing data regarding serum hepcidin, hemoglobin, transferrin saturation (TSAT), ferritin, and usage of erythropoiesis-stimulating agents (ESA) or supplemental iron and 363 patients using ESA or supplemental iron...
December 8, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29193288/characterization-of-tumor-vascular-permeability-using-natural-dextrans-and-cest-mri
#4
Yuguo Li, Yuan Qiao, Hanwei Chen, Renyuan Bai, Verena Staedtke, Zheng Han, Jiadi Xu, Kannie W Y Chan, Nirbhay Yadav, Jeff W M Bulte, Shibin Zhou, Peter C M van Zijl, Guanshu Liu
PURPOSE: To investigate the use of natural dextrans as nano-sized chemical exchange saturation transfer (CEST) MRI probes for characterizing size-dependent tumor vascular permeability. METHODS: Dextrans of different molecular weight (10, 70, 150, and 2000 kD) were characterized for their CEST contrast. Mice (N = 5) bearing CT26 subcutaneous colon tumors were injected intravenously with 10 kD (D10, 6 nm) and 70 kD (D70, 12 nm) dextran at a dose of 375 mg/kg...
November 28, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/29190715/a-history-of-repetitive-cesarean-section-is-a-risk-factor-of-anemia-in-healthy-perimenopausal-women-the-korea-national-health-and-nutrition-examination-survey-2010-2012
#5
Jee Yoon Park, Sung Woo Lee
BACKGROUND AND OBJECTIVES: To determine whether the delivery method is associated with the rate of anemia in later life, using the data from the Korea National Health and Nutrition Examination Survey (KNHANES). METHODS: This study used data from the KNHANES 2010-2012. Among 25,534 participants, 8,126 cases were included in this study after exclusion of males and other inappropriate data. The study population was divided into three groups according to the delivery modes: vaginal delivery (VD) only group, single cesarean delivery (SCD) group and repetitive cesarean delivery (RCD) group...
2017: PloS One
https://www.readbyqxmd.com/read/29165637/a-controlled-study-of-the-effects-of-ferric-carboxymaltose-on-bone-and-haematinic-biomarkers-in-chronic-kidney-disease-and-pregnancy
#6
Louis L Huang, Darren Lee, Stefanie M Troster, Annette B Kent, Matthew A Roberts, Iain C Macdougall, Lawrence P McMahon
Background: Intravenous (IV) iron can modulate fibroblast growth factor 23 (FGF23) concentrations and cause transient but significant hypophosphataemia. However, it is unknown what other markers might be involved, especially in different patient groups. This study aimed to determine changes in bone and haematinic biomarkers following IV ferric carboxymaltose (FCM) and to identify risk factors for hypophosphataemia in pregnant subjects and those with chronic kidney disease (CKD). Methods: Changes in bone [serum FGF23, fractional excretion of phosphate urinary fractional excretion of phosphate (FEPi), serum phosphate and serum vitamin D derivatives] and haematinic [plasma hepcidin, serum ferritin and transferrin saturation (TSAT)] biomarkers after 1 g of IV FCM were followed in iron-deficient pregnant and CKD patients and compared with controls (estimated glomerular filtration rate > 60 mL/min/1...
November 17, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29121874/evaluating-the-effectiveness-of-iv-iron-dosing-for-anemia-management-in-common-clinical-practice-results-from-the-dialysis-outcomes-and-practice-patterns-study-dopps
#7
Bruce M Robinson, Maria Larkina, Brian Bieber, Werner Kleophas, Yun Li, Francesco Locatelli, Keith P McCullough, Jackie G Nolen, Friedrich K Port, Ronald L Pisoni
BACKGROUND: Anemia management protocols in hemodialysis (HD) units differ conspicuously regarding optimal intravenous (IV) iron dosing; consequently, patients receive markedly different cumulative exposures to IV iron and erythropoiesis-stimulating agents (ESAs). Complementary to IV iron safety studies, our goal was to gain insight into optimal IV iron dosing by estimating the effects of IV iron doses on Hgb, TSAT, ferritin, and ESA dose in common clinical practice. METHODS: 9,471 HD patients (11 countries, 2009-2011) in the DOPPS, a prospective cohort study, were analyzed...
November 9, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/29120989/validity-and-reliability-of-a-new-test-of-planned-agility-in-elite-taekwondo-athletes
#8
Helmi Chaabene, Yassine Negra, Laura Capranica, Raja Bouguezzi, Younés Hachana, Mohamed Ali Rouahi, Bessem Mkaouer
This study aimed to examine the validity, reliability, and sensitivity of a new test of planned agility in elite taekwondo athletes and to establish its relationship with sprint-time, jumping ability, and dynamic balance. Twenty-seven (20 males and 7 females) taekwondo athletes participated to this study. They performed taekwondo-specific agility test (TSAT) in two occasions (i.e., test-retest). Additionally, they performed jumping ability (i.e., squat jump, countermovement jump, standing long jump, and three-hop jump), sprint-time (5-m and 20-m dash), and dynamic balance (i...
November 6, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29119631/safety-and-efficacy-of-early-start-of-iron-chelation-therapy-with-deferiprone-in-young-children-newly-diagnosed-with-transfusion-dependent-thalassemia-a-randomized-controlled-trial
#9
Mohsen Saleh Elalfy, Amira Adly, Hanem Awad, Mohamed Tarif Salam, Vasilios Berdoukas, Fernando Tricta
Iron overload is inevitable in patients who are transfusion dependent. In young children with transfusion-dependent thalassemia (TDT), current practice is to delay the start of iron chelation therapy due to concerns over toxicities, which have been observed when deferoxamine was started too early. However, doing so may increase the risk of iron accumulation that will be manifested as toxicities later in life. This study investigated whether deferiprone, a chelator with a lower affinity for iron than deferoxamine, could postpone transfusional iron overload while maintaining a good safety profile...
November 9, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/29083385/iron-profile-and-glycaemic-control-in-patients-with-type-2-diabetes-mellitus
#10
Gunjan Misra, Surendra Kumar Bhatter, Ajai Kumar, Varsha Gupta, Mohd Y Khan
Iron overload is increasingly being connected to insulin resistance in Type 2 Diabetes Mellitus (T2DM) patients. Free iron causes the assembly of reactive oxygen species that invariably steer the body's homeostasis towards oxidative stress-mediated diabetic complications. This study aims to assess the serum iron, total iron binding capacity (TIBC), and percentage transferrin saturation (Tsat) of 150 subjects divided into three groups (I,II,III) of 50. Healthy individuals (controls) constituted Group I. Group II consisted of T2DM patients with optimal glycaemic control...
December 9, 2016: Medical Sciences: Open Access Journal
https://www.readbyqxmd.com/read/28792166/evaluation-of-effect-of-ascorbic-acid-on-ferritin-and-erythropoietin-resistance-in-patients-of-chronic-kidney-disease
#11
N Nand, A R Deshmukh, R Mittal
OBJECTIVE: This study was planned to evaluate the effect of short term intravenous ascorbic acid on reducing ferritin and erythropoietin resistance in patients of chronic kidney disease (CKD) on maintenance haemodialysis (MHD). METHODS: Forty adult patients [20 patients in group A with increased serum ferritin level (>500 ng/ml), transferrin saturation (TSAT) ≤20% and 20 patients in group B with normal serum ferritin level (<200 ng/ml), TSAT ≤20%] of end stage renal disease (ESRD) with erythropoietin hyporesponsiveness undergoing maintenance hemodialysis were included in the study...
July 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28747155/indole-3-acetic-acid-indoxyl-sulfate-and-paracresyl-sulfate-do-not-influence-anemia-parameters-in-hemodialysis-patients
#12
Stanislas Bataille, Marion Pelletier, Marion Sallée, Yvon Berland, Nathalie McKay, Ariane Duval, Stéphanie Gentile, Yosra Mouelhi, Philippe Brunet, Stéphane Burtey
BACKGROUND: The main reason for anemia in renal failure patients is the insufficient erythropoietin production by the kidneys. Beside erythropoietin deficiency, in vitro studies have incriminated uremic toxins in the pathophysiology of anemia but clinical data are sparse. In order to assess if indole 3-acetic acid (IAA), indoxyl sulfate (IS), and paracresyl sulfate (PCS) -three protein bound uremic toxins- are clinically implicated in end-stage renal disease anemia we studied the correlation between IAA, IS and PCS plasmatic concentrations with hemoglobin and Erythropoietin Stimulating Agents (ESA) use in hemodialysis patients...
July 26, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28745688/-risk-factors-for-anemia-in-the-early-stages-of-chronic-kidney-disease
#13
Yu S Milovanov, L V Kozlovskaya, L Yu Milovanova, M M Markina, V V Kozlov, M V Taranova, V V Fomin
AIM: To identify the early markers of anemia in chronic kidney disease (CKD) in patients with chronic glomerulonephritis (CGN) and glomerulonephritis (GN) in systemic diseases. SUBJECTS AND METHODS: Seventy-nine patients with some male preponderance who were aged 21 to 65 years (45.3±11.1 years) and had CKD (CGN and GN) in systemic diseases (systemic lupus erythematosus and Wegener's granulomatosis) in the early stages (Stages I-II) of CKD were examined. GN was diagnosed by a lifetime renal biopsy...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28739199/results-of-the-first-american-prospective-study-of-intravenous-iron-in-oral-iron-intolerant-iron-deficient-gravidas
#14
Michael Auerbach, Stephanie E James, Melissa Nicoletti, Steven Lenowitz, Nicola London, Huzefa F Bahrain, Richard Derman, Samuel Smith
BACKGROUND: Anemia affects up to 42% of gravidas. Neonatal iron deficiency is associated with low birth weight, delayed growth and development, and increased cognitive and behavioral abnormalities. While oral iron is convenient, up to 70% report significant gastrointestinal toxicity. Intravenous iron formulations allowing replacement in one visit with favorable side-effect profiles decrease rates of anemia with improved hemoglobin responses and maternal fetal outcomes. METHODS: Seventy-four oral iron-intolerant, second- and third-trimester iron-deficient gravidas were questioned for oral iron intolerance and treated with intravenous iron...
July 21, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28720163/transferrin-saturation-concentrations-associated-with-telomeric-ageing-a-population-based-study
#15
Chol Shin, Inkyung Baik
There are limited data on the association between Fe overload and leucocyte telomere length (LTL), known as a useful biomarker of the replicative ageing of cells. The aim of the study was to evaluate associations between Fe-status biomarkers and LTL. A cross-sectional study included 1174 men and women aged 50-79 years who provided blood samples for assays of Fe-status biomarkers including ferritin, transferrin saturation (TSAT), total Fe-binding capacity (TIBC) and relative LTL. They were free of hepatitis, potential infection or Fe deficiency...
June 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28705055/ferrokinetics-is-associated-with-the-left-ventricular-mass-index-in-patients-with-chronic-kidney-disease
#16
Akihito Tanaka, Daijo Inaguma, Yu Watanabe, Eri Ito, Naoki Kamegai, Hiroya Shimogushi, Hibiki Shinjo, Kiyomi Koike, Yasuhiro Otsuka, Asami Takeda
Background Patients with chronic kidney disease (CKD) often have the complication of anaemia. Usage of an erythropoietin-stimulating agent accelerates iron deficiency because it promotes iron utilization. Recently, iron administration was reported to be effective for patients with cardiac failure. We examined the association between ferrokinetics and cardiac function in patients with CKD. Methods In this cross-sectional study, we examined 558 patients (424 men and 134 women; mean age, 68.9 ± 13.1 years) with CKD who were admitted to our hospital...
July 14, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28699885/does-helicobacter-pylori-infection-play-a-role-in-iron-deficiency-anemia-in-hemodialysis-patients
#17
Hisham El-Said, Aber Halim Baki Attallah, Zainab A Ali-Eldin
BACKGROUND: Among the disorders that may affect patients with end-stage renal disease (ESRD), anemia is the most responsive to treatment; any reversible cause should be identified, and the most common reversible cause is iron deficiency. We investigated the relationship between <italic>Helicobacter pylori</italic> infection and iron deficiency anemia in a hemodialysis population. MATERIALS AND METHODS: This cross-sectional study included 90 adult patients with ESRD on maintenance hemodialysis...
October 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28655976/iron-deficiency-anemia-in-chronic-liver-disease-etiopathogenesis-diagnosis-and-treatment
#18
REVIEW
Eleana Gkamprela, Melanie Deutsch, Dimitrios Pectasides
Chronic liver disease is accompanied by multiple hematological abnormalities. Iron deficiency anemia is a frequent complication of advanced liver disease. The etiology is multifactorial, mostly due to chronic hemorrhage into the gastrointestinal tract. The diagnosis of iron deficiency anemia is very challenging, as simple laboratory methods, including serum iron, ferritin, transferrin saturation (Tsat), and mean corpuscular volume are affected by the liver disease itself or the cause of the disease, resulting in difficulty in the interpretation of the results...
2017: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/28585071/impact-of-non-transferrin-bound-iron-ntbi-in-comparison-to-serum-ferritin-on-outcome-after-allogeneic-stem-cell-transplantation-asct
#19
COMPARATIVE STUDY
Annekathrin Hilken, Claudia Langebrake, Christine Wolschke, Jan Felix Kersten, Holger Rohde, Peter Nielsen, Nicolaus Kröger
The optimal parameters and time points for the measurement of iron overload (IO) in allogeneic stem cell transplantation (ASCT) patients are still under discussion. Hyperferritinemia and IO are poor prognostic factors in ASCT. We hypothesize that non-transferrin-bound iron (NBTI) is possibly a better marker to predict the effect of IO on the outcome than serum ferritin (SF), which however is not specific for IO. The aim of this prospective observational trial was to evaluate the influence of NBTI in comparison to SF on the outcome of ASCT patients [overall survival, bloodstream infections (BSIs), and invasive fungal infections (IFIs)]...
August 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28511855/clinical-correlates-and-prognostic-impact-of-impaired-iron-storage-versus-impaired-iron-transport-in-an-international-cohort-of-1821-patients-with-chronic-heart-failure
#20
Pedro Moliner, Ewa A Jankowska, Dirk J van Veldhuisen, Nuria Farre, Piotr Rozentryt, Cristina Enjuanes, Lech Polonski, Oona Meroño, Adriaan A Voors, Piotr Ponikowski, Peter Van der Meer, Josep Comin-Colet
AIMS: To define iron deficiency in chronic heart failure (CHF), both, ferritin<100μg/L (indicating reduced iron storage) and transferrin saturation (TSAT)<20% (indicating reduced iron transport) are used. The aim of the study was to evaluate clinical outcomes and prognosis of either low ferritin or low TSAT in patients with CHF. METHODS AND RESULTS: We evaluated the clinical impact of impaired iron storage (IIS) and impaired iron transport (IIT) either alone or in combination compared to patients with normal iron status (NIS), in an international cohort of 1821 patients with CHF with a mean age of 66±13years and mean left ventricular ejection fraction of 35%±15...
September 15, 2017: International Journal of Cardiology
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