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Iron and anemia and children

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https://www.readbyqxmd.com/read/29162392/hematological-phenotypes-in-children-according-to-the-%C3%AE-globin-genotypes
#1
Raffaella Origa, Susanna Barella, Maria Elisabetta Paglietti, Franco Anni, Fabrice Danjou, Anna Rita Denotti, Maria Franca Desogus, Daniela Loi, Valeria Orecchia, Maria Carla Sollaino, Paolo Moi
Limited information is available on the hematological characterization of the α-thalassemia carrier in pediatric age. The objective of this report was to evaluate the red cell indices according to the α-globin genotype in a cohort of children evaluated in Sardinia. Moreover, we verified the frequency of different α-globin genotypes in this cohort. A total of 453 subjects were investigated for hematological indices and for the most common α-globin defects present in Sardinia. Of them, 352 with HbA2≤3.2%, and no iron deficiency anemia were taken into consideration to evaluate the red cell indices according to the α-globin genotype in pediatric age...
November 3, 2017: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/29121448/malaria-exacerbates-inflammation-associated-elevation-in-ferritin-and-soluble-transferrin-receptor-with-only-modest-effects-on-iron-deficiency-and-iron-deficiency-anemia-among-rural-zambian-children
#2
Maxwell A Barffour, Kerry J Schulze, Christian L Coles, Justin Chileshe, Ng'andwe Kalungwana, Ward Siamusantu, Margia Arguello, William J Moss, Keith P West, Amanda C Palmer
OBJECTIVE: In 4-8-year-old Zambian children (n=744), we evaluated the effects of adjusting for inflammation (α1-acid glycoprotein > 1 g/L), with or without additional adjustment for malaria, on prevalence estimates of iron deficiency (ID) and iron deficiency anemia (IDA) during low malaria (LowM) and high malaria (HighM) transmission seasons. METHODS: To estimate adjustment factors, children were classified as: a) reference (malaria negative without inflammation), b) inflammation without malaria (I), c) malaria without inflammation (M), and d) inflammation with malaria (IM)...
November 9, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/29070567/assessment-of-iron-status-in-settings-of-inflammation-challenges-and-potential-approaches
#3
REVIEW
Parminder S Suchdev, Anne M Williams, Zuguo Mei, Rafael Flores-Ayala, Sant-Rayn Pasricha, Lisa M Rogers, Sorrel Ml Namaste
The determination of iron status is challenging when concomitant infection and inflammation are present because of confounding effects of the acute-phase response on the interpretation of most iron indicators. This review summarizes the effects of inflammation on indicators of iron status and assesses the impact of a regression analysis to adjust for inflammation on estimates of iron deficiency (ID) in low- and high-infection-burden settings. We overviewed cross-sectional data from 16 surveys for preschool children (PSC) (n = 29,765) and from 10 surveys for nonpregnant women of reproductive age (WRA) (n = 25,731) from the Biomarkers Reflecting the Inflammation and Nutritional Determinants of Anemia (BRINDA) project...
October 25, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29070556/integrating-themes-evidence-gaps-and-research-needs-identified-by-workshop-on-iron-screening-and-supplementation-in-iron-replete-pregnant-women-and-young-children
#4
REVIEW
Patsy M Brannon, Patrick J Stover, Christine L Taylor
This report addresses the evidence and the uncertainties, knowledge gaps, and research needs identified by participants at the NIH workshop related to iron screening and routine iron supplementation of largely iron-replete pregnant women and young children (6-24 mo) in developed countries. The workshop presentations and panel discussions focused on current understanding and knowledge gaps related to iron homeostasis, measurement of and evidence for iron status, and emerging concerns about supplementing iron-replete members of these vulnerable populations...
October 25, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29070552/effects-of-iron-fortification-and-supplementation-on-the-gut-microbiome-and-diarrhea-in-infants-and-children-a-review
#5
REVIEW
Daniela Paganini, Michael B Zimmermann
In infants and young children in Sub-Saharan Africa, iron-deficiency anemia (IDA) is common, and many complementary foods are low in bioavailable iron. In-home fortification of complementary foods using iron-containing micronutrient powders (MNPs) and oral iron supplementation are both effective strategies to increase iron intakes and reduce IDA at this age. However, these interventions produce large increases in colonic iron because the absorption of their high iron dose (≥12.5 mg) is typically <20%. We reviewed studies in infants and young children on the effects of iron supplements and iron fortification with MNPs on the gut microbiome and diarrhea...
October 25, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29070550/iron-assessment-to-protect-the-developing-brain
#6
REVIEW
Michael K Georgieff
Iron deficiency (ID) before the age of 3 y can lead to long-term neurological deficits despite prompt diagnosis of ID anemia (IDA) by screening of hemoglobin concentrations followed by iron treatment. Furthermore, pre- or nonanemic ID alters neurobehavioral function and is 3 times more common than IDA in toddlers. Given the global prevalence of ID and the enormous societal cost of developmental disabilities across the life span, better methods are needed to detect the risk of inadequate concentrations of iron for brain development (i...
October 25, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29070549/iron-status-of-young-children-in-europe
#7
REVIEW
Liandré F van der Merwe, Simone R Eussen
Iron deficiency (ID) is common in young children aged 6-36 mo. Although the hazards associated with iron deficiency anemia (IDA) are well known, concerns about risks associated with excess iron intake in young children are emerging. To characterize iron status in Europe, we describe the prevalence of ID, IDA, iron repletion, and excess stores with the use of published data from a systematic review on iron intake and deficiency rates, combined with other selected iron status data in young European children. Various definitions for ID and IDA were applied across studies...
October 25, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29070548/excess-iron-considerations-related-to-development-and-early-growth
#8
REVIEW
Marianne Wessling-Resnick
What effects might arise from early life exposures to high iron? This review considers the specific effects of high iron on the brain, stem cells, and the process of erythropoiesis and identifies gaps in our knowledge of what molecular damage may be incurred by oxidative stress that is imparted by high iron status in early life. Specific areas to enhance research on this topic include the following: longitudinal behavioral studies of children to test associations between iron exposures and mood, emotion, cognition, and memory; animal studies to determine epigenetic changes that reprogram brain development and metabolic changes in early life that could be followed through the life course; and the establishment of human epigenetic markers of iron exposures and oxidative stress that could be monitored for early origins of adult chronic diseases...
October 25, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29070544/excess-iron-intake-as-a-factor-in-growth-infections-and-development-of-infants-and-young-children
#9
REVIEW
Bo Lönnerdal
The provision of iron via supplementation or the fortification of foods has been shown to be effective in preventing and treating iron deficiency and iron deficiency anemia in infants and young children. However, iron is a pro-oxidative element and can have negative effects on biological systems even at moderate amounts. An increasing number of studies have reported adverse effects of iron that was given to infants and young-children populations who initially were iron replete. These effects include decreased growth (both linear growth and weight), increased illness (usually diarrhea), interactions with other trace elements such as copper and zinc, altered gut microbiota to more pathogenic bacteria, increased inflammatory markers, and impaired cognitive and motor development...
October 25, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29070541/gaps-in-evidence-regarding-iron-deficiency-anemia-in-pregnant-women-and-young-children-summary-of-us-preventive-services-task-force-recommendations
#10
REVIEW
Alex R Kemper, Tina Fan, David C Grossman, Maureen G Phipps
The US Preventive Services Task Force (USPSTF) makes recommendations to primary care providers regarding preventive services for asymptomatic patients. Recommendations are based on the scientific evidence that the delivery of the preventive service leads to improvements in meaningful patient outcomes. After a review of the available evidence, the USPSTF found insufficient evidence to recommend routine iron supplementation for pregnant women or routine screening for iron-deficiency anemia in pregnant women or young children...
October 25, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29063903/iron-and-vitamin-d-levels-among-autism-spectrum-disorders-children
#11
Abdulbari Bener, Azhar O Khattab, Dinesh Bhugra, Georg F Hoffmann
AIM: The aim of this study was to investigate iron deficiency anemia and Vitamin D deficiency among autism children and to assess the importance of risk factors (determinants). SUBJECTS AND METHODS: This was a case-control study conducted among children suffering from autism at the Hamad Medical Corporation in Qatar. A total of 308 cases and equal number of controls were enrolled. The Autism Diagnostic Observation Schedule-Generic was the instrument used for diagnosis of Autism...
October 2017: Annals of African Medicine
https://www.readbyqxmd.com/read/29043237/hepcidin-and-iron-parameters-in-children-with-anemia-of-chronic-disease-and-iron-deficiency-anemia
#12
Gunjan Mahajan, Sunita Sharma, Jagdish Chandra, Anita Nangia
BACKGROUND: Anemia of chronic disease (ACD) and iron deficiency anemia (IDA) are the two most prevalent forms of anemia having interrelated characteristics. Hepcidin, a newly introduced biomarker for assessment of iron status, is a homeostatic regulator of iron metabolism. We investigated the role of hepcidin and other conventional iron parameters to assess iron status among children with ACD and IDA. We also identified children with ACD who developed iron deficiency (ID). METHODS: The study was undertaken in anemic children with 30 cases each of ACD and IDA along with 30 age and sex-matched controls...
September 2017: Blood Research
https://www.readbyqxmd.com/read/29023457/the-dmt1-ivs4-44c-a-polymorphism-and-the-risk-of-iron-deficiency-anemia-in-children-with-celiac-disease
#13
MULTICENTER STUDY
Carlo Tolone, Giulia Bellini, Francesca Punzo, Alfonso Papparella, Erasmo Miele, Alessandra Vitale, Bruno Nobili, Caterina Strisciuglio, Francesca Rossi
BACKGROUND: Iron deficiency anemia in celiac disease is related to impaired duodenal mucosal uptake, due to villous atrophy. Iron enters the enterocytes through an apical divalent metal transporter, DMT1. Different DMT1 transcripts have been identified, depending on the presence of an iron-responsive element that allows DMT1 up-regulation during iron starvation. An intronic DMT1 polymorphism, IVS4+44C>A, has been associated with metal toxicity, and the CC-carriers show high iron levels...
2017: PloS One
https://www.readbyqxmd.com/read/29023171/anemia-in-children-prevalence-causes-diagnostic-work-up-and-long-term-consequences
#14
Slimane Allali, Valentine Brousse, Anne-Sylvia Sacri, Martin Chalumeau, Mariane de Montalembert
Anemia in children is a major public health problem throughout the world. It is often multifactorial, iron deficiency being the most frequent etiology. Consequences are diverse and largely under evaluated. Areas covered: This paper briefly reviews the main causes and focus on the potential consequences of acute and chronic anemia in children. Expert commentary: Anemia in children should never be trivialized. Even if iron deficiency is frequently involved, other potentially life-threatening causes are possible and should be looked for...
November 2017: Expert Review of Hematology
https://www.readbyqxmd.com/read/29016324/hemoglobin-levels-and-the-risk-of-malaria-in-papua-new-guinean-infants-a-nested-cohort-study
#15
Patrick Lombardo, Paul Vaucher, Patricia Rarau, Ivo Mueller, Bernard Favrat, Nicolas Senn
Studies are available that assess the risk of malaria in accordance to the body's iron store and the systematic iron supplementation of preschool children. However, only a few studies evaluated the temporal association between hemoglobin and malaria and their results are opposing. A total of 1,650 3-month-old Papua New Guinean infants were enrolled in this study and followed-up for 12 months. The risk of malaria was assessed in all children every 3 months and with each episode of fever. The incidence of clinical malaria between 3 and 15 months of age was 249 cases per 1,000 infants per year...
September 25, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29016304/hair-mercury-level-is-associated-with-anemia-and-micronutrient-status-in-children-living-near-artisanal-and-small-scale-gold-mining-in-the-peruvian-amazon
#16
Caren Weinhouse, Ernesto J Ortiz, Axel J Berky, Paige Bullins, John Hare-Grogg, Laura Rogers, Ana-Maria Morales, Heileen Hsu-Kim, William K Pan
Anemia has been widely studied in global health contexts because of severe nutritional deficiency, and more recently, inflammatory status, but chemical exposures are rarely considered. Until recently, "anemia" was used synonymously with "iron deficiency anemia (IDA)" in global health settings. However, only 50% of anemia cases worldwide are IDA. Environmental toxicology studies of anemia risk have generally focused on populations in developed countries, albeit with high exposure to environmental toxicants, such as lead or cadmium...
September 25, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28973245/effect-of-different-iron-preparations-for-young-children-with-iron-deficiency-anemia-reply
#17
LETTER
Jacquelyn M Powers, George R Buchanan, Timothy L McCavit
No abstract text is available yet for this article.
October 3, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28973242/effect-of-different-iron-preparations-for-young-children-with-iron-deficiency-anemia
#18
LETTER
Tetsuji Fujita
No abstract text is available yet for this article.
October 3, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28969507/societal-costs-of-micronutrient-deficiencies-in-6-to-59-month-old-children-in-pakistan
#19
Simon Wieser, Beatrice Brunner, Christina Tzogiou, Rafael Plessow, Michael B Zimmermann, Jessica Farebrother, Sajid Soofi, Zaid Bhatti, Imran Ahmed, Zulfiqar A Bhutta
BACKGROUND: In Pakistan, nearly half of children younger than 5 years are stunted and 1 in 3 is underweight. Micronutrient deficiencies, a less visible form of undernutrition, are also endemic. They may lead to increased morbidity and mortality as well as to impaired cognitive and physical development. OBJECTIVE: To estimate the lifetime costs of micronutrient deficiencies in Pakistani children aged between 6 and 59 months. METHODS: We develop a health economic model of the lifetime health and cost consequences of iodine, iron, vitamin A, and zinc deficiencies...
January 1, 2017: Food and Nutrition Bulletin
https://www.readbyqxmd.com/read/28957722/relationship-between-iron-deficiency-anemia-and-febrile-seizures-in-children-a-systematic-review-and-meta-analysis
#20
Byung Ok Kwak, Kyungmin Kim, Soo-Nyung Kim, Ran Lee
PURPOSE: The association between iron deficiency anemia (IDA) and febrile seizures (FS) during childhood is inconclusive due to inconsistent results reported in different studies. We performed a systematic review and meta-analysis to determine an association between IDA and FS in children. METHODS: We searched PubMed, EMBASE, and Cochrane Library databases for studies published up to August 2015 using the following key words: ["iron deficiency" OR "iron status"] AND ["febrile seizure" OR "febrile convulsion"] AND ["pediatric" OR "infant" OR "child"]...
September 15, 2017: Seizure: the Journal of the British Epilepsy Association
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