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Microcytic anemia

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https://www.readbyqxmd.com/read/29146407/-hemogram-profile-and-interest-of-pre-donation-hemoglobin-measurement-in-blood-donors-in-the-northwest-region-of-morocco
#1
S Bakrim, A Ouarour, K Jaidann, M Benajiba, A Masrar
BACKGROUND: Blood donation in Morocco and more particularly in the northwest region is carried out without prior determination of the pre-donation hemoglobin. In addition, we note the lack of scientific research that reports data on the red blood cells, leukocytes and platelet lines in donated blood at the regional or even national level. AIMS: To study hemogram profile in blood donors taken from the Northwest region of Morocco in order to provide decision makers of the National Center of Blood Transfusion and Hematology with valid scientific arguments to complete the criteria to donate whole blood, by the hemogram...
November 13, 2017: Transfusion Clinique et Biologique: Journal de la Société Française de Transfusion Sanguine
https://www.readbyqxmd.com/read/29133274/gender-differences-in-the-impact-of-anemia-on-subclinical-myocardial-damage-and-cardiovascular-mortality-in-the-general-population-the-yamagata-takahata-study
#2
Yuki Honda, Tetsu Watanabe, Yoichiro Otaki, Harutoshi Tamura, Satoshi Nishiyama, Hiroki Takahashi, Takanori Arimoto, Tetsuro Shishido, Takuya Miyamoto, Yoko Shibata, Tsuneo Konta, Ryo Kawasaki, Makoto Daimon, Yoshiyuki Ueno, Takeo Kato, Takamasa Kayama, Isao Kubota
BACKGROUND: Anemia has been shown to worsen cardiovascular diseases. However, it is unclear whether there is a gender difference in the impact of anemia on subclinical myocardial damage and cardiovascular mortality in the general population. METHODS: A prospective cohort study was conducted in a community based on annual health checks. Serum heart-type fatty acid binding protein (H-FABP) levels, which is a marker for myocardial damage, and blood counts were measured at baseline in subjects without previous cardiovascular diseases (n=3111)...
November 10, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/29128046/preoperative-anemia-in-cardiac-operation-does-hemoglobin-tell-the-whole-story
#3
Lu Dai, Stephanie L Mick, Keith R McCrae, Penny L Houghtaling, Joseph F Sabik, Eugene H Blackstone, Colleen G Koch
BACKGROUND: Preoperative anemia, defined by hemoglobin level, is associated with elevated risk after cardiac operation. Better understanding of anemia requires characterization beyond this. This investigation focuses on red cell size and its association with patient characteristics and outcomes after cardiac operation. METHODS: From January 2010 to January 2014, 10,589 patients underwent elective cardiac operations at Cleveland Clinic. Anemia was characterized as normocytic, microcytic, or macrocytic based on mean corpuscular volume (MCV)...
November 8, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29109103/hepatocyte-nuclear-factor-1a-deficiency-causes-hemolytic-anemia-in-mice-by-altering-erythrocyte-sphingolipid-homeostasis
#4
Karin von Wnuck Lipinski, Sarah Weske, Petra Keul, Susann Peters, Hideo A Baba, Gerd Heusch, Markus H Gräler, Bodo Levkau
The Hepatocyte Nuclear Factor (HNF) family regulates complex networks of metabolism and organ development. Human mutations in its prototypical member HNF1A cause maturity-onset of diabetes of the young (MODY) type 3. In this study, we identified an important role for HNF1A in the preservation of erythrocyte membrane integrity, calcium homeostasis and osmotic resistance through a yet unrecognized link of HNF1A to sphingolipid homeostasis. HNF1A(-/-) mice displayed microcytic hypochromic anemia with reticulocytosis that was partially compensated by avid extramedullary erythropoiesis at all erythroid stages in the spleen thereby excluding erythroid differentiation defects...
November 6, 2017: Blood
https://www.readbyqxmd.com/read/29090523/digital-microscopy-as-a-screening-tool-for-the-diagnosis-of-hereditary-hemolytic-anemia
#5
R Huisjes, W W van Solinge, M D Levin, R van Wijk, J A Riedl
INTRODUCTION: Evaluation of red blood cell (RBC) morphology is an important first step in the differential diagnosis of hereditary hemolytic anemia. It is, however, labor intensive, expensive, and prone to subjectivity. To improve and standardize the analysis of RBC morphology as a screening tool in the diagnosis of hereditary hemolytic anemia, we studied its automated analysis by digital microscopy (DM). METHODS: Blood from 90 patients with hereditary hemolytic anemia and 32 normal control subjects was analyzed by the CellaVision DM96 Digital Microscope...
November 1, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/29090069/the-frequency-and-importance-of-common-%C3%AE-globin-gene-deletions-among-%C3%AE-thalassemia-carriers-in-an-iranian-population
#6
Azam Moosavi, Ali M Ardekani
BACKGROUND: β-thalassemia is the most common monogenic disorder in Iran, and one of the challenges in the screening of the carriers is the coinheritance of α-thalassemia mutations. In the view of high prevalence of α-thalassemia mutations in many parts of the country, the aim of this study was to determine the carrier frequency of common alpha deletions, as a secondary modifier in clinical manifestations of beta thalassemia, in known beta-thalassemia carriers and some hematology parameter changes...
October 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/29046759/copper-deficiency-a-new-triad-anemia-leucopenia-and-myeloneuropathy
#7
Shoaib M Wazir, Ibrahim Ghobrial
Clinical copper deficiency is now more frequently recognized. Hematologically, it can present as anemia (microcytic, normocytic, or macrocytic) and neutropenia. Thrombocytopenia is relatively rare. Neurologically, it can manifest as myelopathy and peripheral neuropathy simulating subacute combined degeneration. Bone marrow findings can mimic myelodysplasia resulting in occasional inappropriate referral for bone marrow transplantation. Other conditions with similar presentations include infections, drug toxicity, autoimmunity, B12 deficiency, folate deficiency, myelodysplastic syndrome, aplastic anemia, and lymphoma with bone marrow involvement...
October 2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/29032941/ferritin-iron-regulators-pcbp1-and-ncoa4-respond-to-cellular-iron-status-in-developing-red-cells
#8
Moon-Suhn Ryu, Kari A Duck, Caroline C Philpott
Developing red blood cells exhibit multiple, redundant systems for regulating and coordinating the uptake of iron, the synthesis of heme, and the formation of hemoglobin during terminal differentiation. We recently described the roles of poly rC-binding protein (PCBP1) and nuclear coactivator 4 (NCOA4) in mediating the flux of iron through ferritin in developing erythroid cells, with PCBP1, an iron chaperone, delivering iron to ferritin and NCOA4, an autophagic cargo receptor, directing ferritin to the lysosome for degradation and iron release...
September 28, 2017: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/29032940/molecular-basis-of-%C3%AE-thalassemia
#9
REVIEW
Samaneh Farashi, Cornelis L Harteveld
α-Thalassemia is an inherited, autosomal recessive, disorder characterized by a microcytic hypochromic anemia. It is one of the most common monogenic gene disorders in the world population. The clinical severity varies from almost asymptomatic, to mild microcytic hypochromic, and to a lethal hemolytic condition, called Hb Bart's Hydrops Foetalis Syndrome. The molecular basis are usually deletions and less frequently, point mutations affecting the expression of one or more of the duplicated α-genes. The clinical variation and increase in disease severity is directly related to the decreased expression of one, two, three or four copies of the α-globin genes...
September 21, 2017: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/29024014/gastrointestinal-cause-or-effect-a-case-of-microcytic-anemia
#10
I Carbery, O Rotimi, C P Selinger
No abstract text is available yet for this article.
November 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28985135/whole-body-diffusion-weighted-mr-imaging-of-iron-deposits-in-hodgkin-follicular-and-diffuse-large-b-cell-lymphoma
#11
Anne-Ségolène Cottereau, Sébastien Mulé, Chieh Lin, Karim Belhadj, Alexandre Vignaud, Christiane Copie-Bergman, Alice Boyez, Pierre Zerbib, Vania Tacher, Elodie Scherman, Corinne Haioun, Alain Luciani, Emmanuel Itti, Alain Rahmouni
Purpose To analyze the frequency and distribution of low-signal-intensity regions (LSIRs) in lymphoma lesions and to compare these to fluorodeoxyglucose (FDG) uptake and biologic markers of inflammation. Materials and Methods The authors analyzed 61 untreated patients with a bulky lymphoma (at least one tumor mass ≥7 cm in diameter). When a LSIR within tumor lesions was detected on diffusion-weighted images obtained with a b value of 50 sec/mm(2), a T2-weighted gradient-echo (GRE) sequence was performed and calcifications were searched for with computed tomography (CT)...
October 6, 2017: Radiology
https://www.readbyqxmd.com/read/28981562/rare-%C3%AE-0-thalassemia-deletions-detected-by-mlpa-in-five-unrelated-brazilian-patients
#12
Natália O Mota, Elza M Kimura, Roberta D Ferreira, Gisele A Pedroso, Dulcinéia M Albuquerque, Daniela M Ribeiro, Magnun N N Santos, Cristina M Bittar, Fernando F Costa, Maria de Fatima Sonati
Alpha-thalassemias are among the most common genetic diseases in the world. They are characterized by hypochromic and microcytic anemia and great clinical variability, ranging from a practically asymptomatic phenotype to severe anemia, which can lead to intrauterine or early neonatal death. Deletions affecting the α-globin genes, located on chromosome 16p13.3, are the main causes of α-thalassemia. Multiplex ligation-dependent probe amplification (MLPA) can be used to detect rearrangements that cause α-thalassemia, particularly large deletions involving the whole α cluster and/or deletions in the HS-40 region...
October 2, 2017: Genetics and Molecular Biology
https://www.readbyqxmd.com/read/28972879/challenging-clinical-presentations-of-pernicious-anemia
#13
Thein Hlaing Oo, Cristhiam Mauricio Rojas-Hernandez
Pernicious anemia (PA) is an autoimmune disease of multifactorial etiologies characterized by autoimmune chronic atrophic gastritis, cobalamin deficiency (CD) due to defective absorption of dietary cobalamin from the terminal ileum, and by the presence of intrinsic factor and parietal cell antibodies. PA is a very common cause of CD-related anemia worldwide. Despite advances in the understanding molecular biology and pathophysiology of PA, the diagnosis of PA remains challenging in many circumstances for many clinicians because of its diverse clinical manifestations and the limitations of currently available diagnostic tools...
September 2017: Discovery Medicine
https://www.readbyqxmd.com/read/28970684/insight-into-donor-deferral-pattern-based-on-peripheral-blood-counts-an-experience-from-south-pakistan
#14
Sadia Sultan, Syed Mohammed Irfan, Mohammad Amjad Baig, Syed Mohammad Usman, Umme Aiman Shirazi
BACKGROUND: Donor deferral owing to anemia is one of the major causative factors of temporary donor rejection, which is preventable and treatable. The basic knowledge about frequency, types, and severity of anemia among donors will help plan a strategy to promote donor recruitment and overall national health. OBJECTIVE: The objective of this study was to provide the predonation deferral rate of the healthy blood donors based on peripheral blood counts and second to determine the types of anemia along with its severity...
July 2017: Asian Journal of Transfusion Science
https://www.readbyqxmd.com/read/28959673/haematological-evaluation-of-sodium-fluoride-toxicity-in-oryctolagus-cunniculus
#15
Maryam Abbas, Muhammad Hassan Siddiqi, Khushbukhat Khan, Kanwal Zahra, Arif-Un-Nisa Naqvi
Blood is promptly affected by environmental pollutants and toxicants that can cause many metabolic disorders. The high level of fluoride acts as a potential pollutant, insecticide and rodenticide with very high toxicity, associated with the hematological damage. This study aimed to determine the toxicity of Sodium Fluoride on hematological parameters in Oryctolagus cunniculus. Twenty rabbits were acclimatized and divided in to control group and three experimental groups.Experimental group-I, II and III were treated with 10, 30 and 50 mg/kg body weight doses of Sodium Fluoride orally...
2017: Toxicology Reports
https://www.readbyqxmd.com/read/28945175/novel-interactions-of-two-%C3%AE-hb-variants-with-sea-deletion-%C3%AE-0-thalassemia-hematological-and-molecular-analyses
#16
Hataichanok Srivorakun, Kritsada Singha, Goonnapa Fucharoen, Supan Fucharoen
OBJECTIVES: To report the hematological and molecular features as well as diagnostic aspects of the hitherto un-described interactions of two rare α-globin chain variants with α(0)-thalassemia commonly found among Southeast Asian populations. METHODS: The study was done on two adult Thai patients (P1 and P2) who had hypochromic microcytic anemia. Hb analysis was carried out using high performance liquid chromatography (HPLC) and capillary electrophoresis (CE)...
September 25, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/28934514/new-bioinformatics-based-discrimination-formulas-for-differentiation-of-thalassemia-traits-from-iron-deficiency-anemia
#17
Abdul Hafeez Kandhro, Watshara Shoombuatong, Virapong Prachayasittikul, Pornlada Nuchnoi
Thalassemia traits (TTs) and iron deficiency anemia (IDA) are the most common disorders of hypochromic microcytic anemia (HMA). The present study aimed to differentiate TTs from IDA by analyzing discrimination formulas and provides comprehensive data of hemoglobin disorders prevalent in Pakistan. Among 12 published discrimination formulas, 6 formulas-MI, EF, G&K, RDWI, R, and HHI-were the most reliable to discriminate TTs from IDA. The failure cutoff values were improved by the random forest (RF) decision-tree approach...
August 1, 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/28932606/plummer-vinson-syndrome-a-rare-syndrome-in-male-with-review-of-the-literature
#18
Priyadarshini Karthikeyan, Nalini Aswath, Ramesh Kumaresan
INTRODUCTION: Plummer Vinson syndrome also known as Paterson Brown-Kelly syndrome is a syndrome associated with the triad of symptoms comprising microcytic hypochromic anemia, oesophageal strictures, and dysphagia. PVS is commonly found in women of middle age especially in the fourth and fifth decade of life and is rarely reported in males. CASE REPORT: The authors report a case of 43-year-old male patient who presented with the classic symptoms of Plummer Vinson syndrome...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28895713/-hypochromic-microcytic-anemias-guideline-for-diagnosis-executive-summary
#19
(no author information available yet)
No abstract text is available yet for this article.
October 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28887661/widening-the-spectrum-of-deletions-and-molecular-mechanisms-underlying-alpha-thalassemia
#20
José Ferrão, Marisa Silva, Lúcia Gonçalves, Susana Gomes, Pedro Loureiro, Andreia Coelho, Armandina Miranda, Filomena Seuanes, Ana Batalha Reis, Francisca Pina, Raquel Maia, Paula Kjöllerström, Estela Monteiro, João F Lacerda, João Lavinha, João Gonçalves, Paula Faustino
Inherited deletions of α-globin genes and/or their upstream regulatory elements (MCSs) give rise to α-thalassemia, an autosomal recessive microcytic hypochromic anemia. In this study, multiplex ligation-dependent probe amplification performed with commercial and synthetic engineered probes, Gap-PCR, and DNA sequencing were used to characterize lesions in the sub-telomeric region of the short arm of chromosome 16, possibly explaining the α-thalassemia/HbH disease phenotype in ten patients. We have found six different deletions, in heterozygosity, ranging from approximately 3...
November 2017: Annals of Hematology
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