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https://www.readbyqxmd.com/read/28449418/hif-prolyl-hydroxylases-as-therapeutic-targets-in-erythropoiesis-and-iron-metabolism
#1
REVIEW
Volker H Haase
A classic response to systemic hypoxia is the increase in red blood cell production. This response is controlled by the prolyl hydroxylase domain/hypoxia-inducible factor (HIF) pathway, which regulates a broad spectrum of cellular functions. The discovery of this pathway as a key regulator of erythropoiesis has led to the development of small molecules that stimulate the production of endogenous erythropoietin and enhance iron metabolism. This review provides a concise overview of the cellular and molecular mechanisms that govern HIF-induced erythropoietic responses and provides an update on clinical experience with compounds that target HIF-prolyl hydroxylases for anemia therapy...
June 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28449417/iron-and-anemia-in-chronic-kidney-disease-new-treatments-changing-old-paradigms
#2
EDITORIAL
John T Daugirdas
No abstract text is available yet for this article.
June 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28448368/managing-chemotherapy-induced-anemia-with-erythropoiesis-stimulating-agents-plus-iron
#3
Lisa Whitehead
Editor's note: This is a summary of a nursing care-related systematic review from the Cochrane Library.
May 2017: American Journal of Nursing
https://www.readbyqxmd.com/read/28447964/a-rare-cause-of-acute-gastrointestinal-hemorrhage-ileal-lipoma-case-report
#4
E Manna, Fabrizio Maria Frattaroli, E Polettini, Aldo Nunziale, Giuseppe Pappalardo
Primary small bowel tumors account for 1-6% of all Gastrointestinal (G.I.) tract malignancies. Among these pedunculated lipomas are unusual. We report a case of a 66-year-old male with a history of G.I. hemorrhage and acute anemia, negative upper and lower endoscopies and a pedunculated lipoma in distal ileum, revealed by CT enterography. The patient was successfully treated by open surgery. Patients with G.I. hemorrhage and negative upper and lower endoscopies need an accurate evaluation of small bowel. Multislice CT enterography or Magnetic Resonance enteroclysis/ enterography represent the fastest and more accurate tools to obtain an exhaustive evaluation of small bowel...
2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28447549/a-child-with-severe-iron-deficiency-anemia-and-a-complex-tmprss6-genotype
#5
Anna Paola Capra, Elisa Ferro, Laura Cannavò, Maria Angela La Rosa, Giuseppina Zirilli
OBJECTIVES: We report a case of a 7-year-old girl with severe hypochromic microcytic anemia, who was unresponsive to classical iron supplements. We suspected IRIDA, iron-refractory iron-deficiency anemia, a genetic iron metabolism disorder, caused by TMPRSS6 variations. TMPRSS6 encodes matriptase-2, a negative regulator of hepcidin, and its pathological variants are related to normal to high levels of hepcidin. We analyzed the TMPRSS6 gene and we improved clinical management of the patient, selecting the appropriate supplementation therapy...
April 27, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/28447424/does-morphology-matter-in-2017-an-approach-to-morphologic-clues-in-non-neoplastic-blood-and-bone-marrow-disorders
#6
REVIEW
D S Chabot-Richards, K Foucar
Numerous non-neoplastic and neoplastic conditions manifest with distinctive features in blood. Although automated complete blood count (CBC) data are essential, CBC information alone is insufficient for diagnosis. Consequently, morphologic review of blood smears is still relevant in the era of sophisticated automated analyzer systems. Pathologist interpretation of the peripheral blood smear, in conjunction with CBC and clinical information, can provide rapid diagnostic information and guide cost-effective targeted laboratory testing...
May 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28447420/red-cell-membrane-disorders
#7
REVIEW
J Narla, N Mohandas
Significant advances have been made in our understanding of the structural basis for altered cell function in various inherited red cell membrane disorders with reduced red cell survival and resulting hemolytic anemia. The current review summarizes these advances as they relate to defining the molecular and structural basis for disorders involving altered membrane structural organization (hereditary spherocytosis [HS] and hereditary elliptocytosis [HE]) and altered membrane transport function (hereditary overhydrated stomatocytosis and hereditary xerocytosis)...
May 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28447417/diagnostic-approach-to-microangiopathic-hemolytic-disorders
#8
REVIEW
K Kottke-Marchant
Thrombotic micro-angiopathies (TMA) are a group of related disorders that are characterized by thrombosis of the microvasculature and associated organ dysfunction, and encompass congenital, acquired, and infectious etiologies. A hall mark of TMAs is the fragmentation of erythrocytes by the microvascular thrombi, resulting in a hemolytic anemia. There are several distinct pathophysiologies leading to microangiopathic hemolysis, ranging from decreased degradation of von Willebrand factor as seen in thrombotic thrombocytopenic purpura (TTP) to endothelial damage facilitated by Escherichia coli shiga toxin or complement dysregulation, seen in shiga toxin-related hemolytic-uremic syndrome (Stx-HUS) and complement-mediated TMA (also called atypical hemolytic-uremic syndrome), respectively...
May 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28447237/effects-of-metformin-versus-placebo-on-vitamin-b12-metabolism-in-non-diabetic-breast-cancer-patients-in-cctg-ma-32
#9
Ana Elisa Lohmann, Mira F Liebman, William Brien, Wendy R Parulekar, Karen A Gelmon, Lois E Shepherd, Jennifer A Ligibel, Dawn L Hershman, Priya Rastogi, Ingrid A Mayer, Timothy J Hobday, Julie Lemieux, Alastair Mark Thompson, Kathleen I Pritchard, Timothy Joseph Whelan, Som D Mukherjee, Haji I Chalchal, Vanessa Bernstein, Vuk Stambolic, Bingshu E Chen, Pamela Jean Goodwin
BACKGROUND: Metformin is associated with low levels of vitamin B12 (VitB12) in patients with diabetes. The CCTG/MA.32 trial investigates the effects of metformin vs placebo on breast cancer (BC) outcomes in non-diabetic high-risk BC patients. We analyzed VitB12 at baseline and after 6 months of metformin (versus placebo) in the first 492 patients with paired blood samples. METHODS: VitB12 was analyzed centrally in baseline and 6-month fasting plasma. Levels <181 pmol/L were considered deficient, 181-221 pmol/L borderline, and ≥222 pmol/L sufficient...
April 26, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28446857/hemolytic-anemia-caused-by-kinking-of-dacron-grafts-implanted-in-repair-of-after-aortic-dissection
#10
Feridoun Sabzi, Fahimeh Ghasemi, Atefeh Asadmobini
BACKGROUND: Hemolytic anemia caused by a kinked Dacron graft is a rare complication after repair of acute aortic dissection. We present a case of hemolytic anemia due to kinking of previously implanted Dacron graft for ascending aorta dissection treated by surgery and replaced with new Dacron. CASE DETAILS: We report a case of postoperative hemolytic anemia with kinking of the graft at the outer graft layer and intra luminal bulging of the inner graft. Postoperative computed tomography showed Dacron graft kinking at the mid part of the graft...
September 2016: Ethiopian Journal of Health Sciences
https://www.readbyqxmd.com/read/28446734/iron-deficiency-and-anemia-in-heart-failure
#11
Yüksel Çavuşoğlu, Hakan Altay, Mustafa Çetiner, Tolga Sinan Güvenç, Ahmet Temizhan, Dilek Ural, Dilek Yeşilbursa, Nesligül Yıldırım, Mehmet Birhan Yılmaz
Heart failure is an important community health problem. Prevalence and incidence of heart failure have continued to rise over the years. Despite recent advances in heart failure therapy, prognosis is still poor, rehospitalization rate is very high, and quality of life is worse. Co-morbidities in heart failure have negative impact on clinical course of the disease, further impair prognosis, and add difficulties to treatment of clinical picture. Therefore, successful management of co-morbidities is strongly recommended in addition to conventional therapy for heart failure...
March 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28446732/docetaxel-versus-docetaxel-plus-cisplatin-for-non-small-cell-lung-cancer-a-meta-analysis-of-randomized-clinical-trials
#12
REVIEW
Ang Li, Zhi-Jian Wei, Han Ding, Hao-Shuai Tang, Heng-Xing Zhou, Xue Yao, Shi-Qing Feng
OBJECTIVE: To compare the activity, efficacy and toxicity of docetaxel versus docetaxel plus cisplatin in patients with non-small-cell lung cancer. METHODS: A literature search was performed in the EMBASE, Medline, Cochrane Library, Web of Science, China National Knowledge Internet, Wan-fang databases. The trials that were found were then evaluated for eligibility. The Cochrane Collaboration's Review Manager software was used to perform the meta-analyses. RESULTS: Nine clinical trials including 1257 patients were included...
April 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28446324/-research-advance-of-microparticles-in-hypercoagulation-of-hemolytic-anemia-review
#13
Xie Su, Peng Cheng, Dong-Hong Deng
Microparticles (MP) are small membrane vesicles released from many different cell types in response to cellular activation or apoptosis, which have the procoagulant effect. Hemolytic anemia(HA) is a type of anemia that have a short life expectancy of red blood cells due to the destruction which exceed the hematopoietic compensatory capacity of bone marrow. Sickle cell anemia(SCD), thalassemia and paroxysmal nocturnal hemoglobinuria(PNH) are all characterized by hypercoagulation and thromboembolism (TE). Research shows that MP can promote the formation of hypercoagulative state which in turn increases the risk of thromboembolism in HA...
April 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28446312/-clinical-characteristics-and-gene-mutations-of-gilbert-syndrome-complicated-with-myeloproliferative-neoplasm
#14
Xing-Xin Li, Jun Shi, Zhen-Dong Huang, Ying-Qi Shao, Neng Nie, Jing Zhang, Mei-Li Ge, Jin-Bo Huang, Yi-Zhou Zheng
OBJECTIVE: To investigate the clinical characteristics and gene mutations of patients with Gilbert syndrome complicated with myeloproliferative neoplasms (MPN). METHODS: Peripheral blood samples from 1 patient with Gilbert syndrome complicated with MPN and his son were collected to analyse all exon mutations of UGT1A1 gene. RESULTS: The patient with leukocytosis, thrombocythemia, mild anemia and positive JAK2/V617F mutation was initially diagnosed as MPN...
April 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28446303/-prognosis-and-survival-analysis-of-patients-with-essential-thrombocythemia
#15
Mo Chen, Li-Jun Hou, Zeng-Xiang Liu, Hong-Bing Liu, Qiao-Dan Liu
OBJECTIVE: To investigate the survival status and prognosis of patients with essential thrombocythemia(ET) and analyze the prognostic factors for the patients' survival, so as to provide a evidence for clinical treatment and prognosis evaluation. METHODS: A retrospective analysis of 118 patients with ET was conducted in the Fifth Affiliated Hospital of Sun Yat-Sen University and Zhongshan Municipale People's Hospital from December 2002 to December 2013. The clinical characteristics were summarized, such as the survival curve and multi-factor analysis, therefore looking for the disease characteristics and risk factors affecting the survival and prognosis...
April 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28446302/-telomere-length-expression-of-mre11-and-ku80-in-patients-with-aplastic-anemia-and-their-correlation-with-pathogenesis
#16
Yan Wang, Rui-Rong Xu, Ying-Jun DU, Jing-Yi Wang, Kui Liu, Wei Zheng
OBJECTIVE: To detect the expression levels of MRE11 and Ku80 mRNA, and telomere length in bone marrow mononuclear cells of aplastic anemia(AA) patients, and to explore their correlation with pathogenesis of aplastic anemia. METHODS: Bone marrow mononuclear cells were collected from 40 cases of AA and 20 normal controls for detecting mRNA expression of MRE11 and Ku80 and telomere length by using real-time quantitative polymerase chain reaction (qPCR), then MRE11, Ku80 and telomere length were analyzed for their correlation...
April 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28446301/-analysis-of-gene-mutation-types-of-thalassemia-in-longyan-area-of-fujian-province-in-china
#17
Qing-Fu Dai, Xiao-Lu Li, Yu-Xia Wang, Chun-Fang Cao
OBJECTIVE: To explore the type and distribution of thalassemia gene mutation in Longyan area of Fujian province in China, so as to provide a evidence for prenatal diagnosis and to reduce birth defects. METHODS: The mean corpuscular volume (MCV), mean corpuscular hemoglobin (MCH) and hemoglobin electrophoresis were used for screened the mutation types of thalassemia. Genotyping of the screened positive sample was performed by gap single polymerase chain reaction (gap-PCR) and reverse dot blot hybridization (RDB)...
April 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28446125/soluble-transferrin-receptor-as-a-marker-of-erythropoiesis-in-patients-undergoing-high-flux-hemodialysis
#18
Pei Yin, Jijun Li, Yan Song
Anemia is a common complication in chronic kidney disease (CKD) patients receiving hemodialysis. The effect of high-flux dialysis (HFD) on anemia remains unclear. This prospective study aimed to evaluate the effect of HFD on anemia, and the potential of soluble transferrin receptor (sTfR) as a marker of iron status and erythropoiesis in CKD patients on hemodialysis. Forty patients, who switched from conventional low-flux dialysis to HFD for 12 months, were enrolled in this study. The levels of sTfR, hemoglobin, iron, and nutritional markers, as well as the dose of recombinant human erythropoietin (rhEPO) and use of chalybeate were determined at 0, 2, 6, and 12 months after starting HFD...
April 27, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28445892/feasibility-of-modified-folfox-in-elderly-patients-aged-%C3%A2-80-years-with-metastatic-gastric-cancer-or-colorectal-cancer
#19
Kyu-Hyoung Lim, Hui-Young Lee, Sung Bae Park, Seo-Young Song
OBJECTIVE: The aim of this study was to assess the feasibility of a modified FOLFOX regimen as first-line treatment in elderly patients with metastatic gastric cancer (GC) or colorectal cancer (CRC). METHODS: We included chemotherapy-naïve patients over 80 years old with metastatic GC or CRC in our study. From September 2008 to November 2014, 28 consecutive patients were enrolled and treated with modified FOLFOX. RESULTS: The study population consisted of an equal number of GC and CRC patients...
April 27, 2017: Oncology
https://www.readbyqxmd.com/read/28445440/micronutrient-status-among-pregnant-women-in-zinder-niger-and-risk-factors-associated-with-deficiency
#20
K Ryan Wessells, Césaire T Ouédraogo, Rebecca R Young, M Thierno Faye, Alex Brito, Sonja Y Hess
Anemia and micronutrient (MN) deficiencies in pregnant women are associated with adverse pregnancy outcomes. In Niger, 58.6% of pregnant women are anemic; however, MN statuses are unknown. The study objectives were to estimate the prevalence of MN deficiencies among pregnant women in Zinder, Niger and explore associated risk factors. Pregnant women living in randomly selected rural villages (n = 88) were included. Capillary and venous blood samples (n = 770) were analyzed for hemoglobin (Hb) and plasma ferritin, soluble transferrin receptor (sTfR), zinc (pZn), retinol binding protein (RBP), folate and vitamin B12...
April 26, 2017: Nutrients
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