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https://www.readbyqxmd.com/read/28103644/flow-cytometric-osmotic-fragility-test-increased-assay-sensitivity-for-clinical-application-in-pediatric-hematology
#1
Olga Ciepiela, Anna Adamowicz-Salach, Agata Zgodzińska, Magdalena Łazowska, Iwona Kotuła
BACKGROUND: Osmotic Fragility Test (OFT) is widely considered as a sensitive indicator of red blood cells' sensitivity to the hypotonic solution. It is often used as a screening test for the diagnosis of hereditary spherocytosis (HS). Nowadays, the osmotic fragility test based on flow cytometric analysis (FCM OF) is widely used in laboratory practice. The purpose of this study was to optimize the assay sensitivity and to validate its clinical application in the diagnostic screening of childhood anemias...
January 19, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28102613/congolese-children-with-sickle-cell-trait-may-exhibit-glomerular-hyperfiltration-a-case-control-study
#2
Michel Ntetani Aloni, René Makwala Ngiyulu, Célestin Ndosimao Nsibu, Pépé Mfutu Ekulu, Jean Robert Makulo, Jean-Lambert Gini-Ehungu, Nazaire Mangani Nseka, François Bompeka Lepira
BACKGROUND: The prevalence of sickle cell trait is extremely high in sub-Saharan Africa. Recent studies have reported the impact of sickle cell carriers on renal function. However, data on renal abnormalities in children with sickle cell trait in this part of the world are unknown. In this report, we assess the glomerular function of children with sickle cell trait (SCT). METHODS: A case control study was conducted to assess the glomerular function in 43 Congolese children with sickle cell trait (Hb-AS) matched for age to 65 children with sickle cell anemia in steady state (Hb-SS) and 67 normal controls (Hb-AA)...
January 19, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28102450/hidden-blood-loss-and-the-influential-factors-after-percutaneous-kyphoplasty-surgery
#3
Yao-Sen Wu, Hui Zhang, Wen-Hao Zheng, Zhen-Hua Feng, Ze-Xin Chen, Yan Lin
PURPOSE: Percutaneous kyphoplasty (PKP) is a minimally invasive procedure for the treatment of osteoporotic vertebral compression fractures (OVCFs). It is generally considered that there is little blood loss during the surgery. However, a significant perioperative hidden blood loss (HBL) is neglected. This study was to examine the amount of HBL and determine the influential factors during PKP. METHODS: From January 2015 to January 2016, 115 patients with OVCFs who were scheduled to have a PKP were enrolled in this study...
January 19, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28100994/reocclusion-after-self-expandable-metallic-stent-placement-for-relieving-malignant-colorectal-obstruction-as-a-palliative-treatment
#4
Toshikatsu Nitta, Kensuke Fujii, Yoshimasa Hirata, Tomo Tominaga, Yoshihiro Inoue, Hiroshi Kawasaki, Ken Kawakami, Takashi Ishibashi
Self-expandable metallic stent (SEMS) placement has been practiced in several hospitals in Japan, including ours, since January 2012. Here, we report the case of an 82-year-old Japanese man who presented to the hospital with a 1-week history of right hypochondrial pain. Computed tomography (CT) findings indicated colorectal cancer. The laboratory findings on admission indicated severe anemia (red blood cell count, 426 × 104/μL; hemoglobin, 7.9 g/dL). We performed SEMS placement because the patient refused to undergo surgery...
September 2016: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/28100507/efficacy-of-iron-supplement-bars-to-reduce-anemia-in-urban-indian-women-a-cluster-randomized-controlled-trial
#5
Rajvi Mehta, Alyssa C Platt, Xizi Sun, Mukesh Desai, Dennis Clements, Elizabeth L Turner
BACKGROUND: India's high prevalence of iron-deficiency anemia has largely been attributed to the local diet consisting of nonheme iron, which has lower absorption than that of heme iron. OBJECTIVE: We assessed the efficacy of the consumption of iron-supplement bars in raising hemoglobin concentrations and hematocrit percentages in anemic (hemoglobin concentration <12 g/dL) Indian women of reproductive age. DESIGN: The Let's be Well Red study was a 90-d, pair-matched, cluster-randomized controlled trial...
January 18, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28100392/replication-study-the-cd47-signal-regulatory-protein-alpha-sirpa-interaction-is-a-therapeutic-target-for-human-solid-tumors
#6
Stephen K Horrigan
In 2015, as part of the Reproducibility Project: Cancer Biology, we published a Registered Report (Chroscinski et al., 2015) that described how we intended to replicate selected experiments from the paper "The CD47-signal regulatory protein alpha (SIRPa) interaction is a therapeutic target for human solid tumors "(Willingham et al., 2012). Here we report the results of those experiments. We found that treatment of immune competent mice bearing orthotopic breast tumors with anti-mouse CD47 antibodies resulted in short-term anemia compared to controls, consistent with the previously described function of CD47 in normal phagocytosis of aging red blood cells and results reported in the original study (Table S4; Willingham et al...
January 19, 2017: ELife
https://www.readbyqxmd.com/read/28100318/-clinical-characteristics-of-clonal-evolution-after-immunosuppressive-therapy-in-children-with-severe-very-severe-aplastic-anemia
#7
Jing-Liao Zhang, Tian-Feng Liu, Li-Xian Chang, Xia Chen, Yuan-Yuan Ren, Cong-Cong Sun, Chao Liu, Wen-Bin An, Yang Wan, Xiao-Juan Chen, Wen-Yu Yang, Shu-Chun Wang, Ye Guo, Yao Zou, Yu-Mei Chen, Xiao-Fan Zhu
OBJECTIVE: To evaluate the clinical characteristics and risk factors of clonal evolution after immunosuppressive therapy (IST) in children with severe/very severe aplastic anemia (SAA/VSAA). METHODS: The clinical data of 231 children with newly-diagnosed SAA/VSAA who received IST were retrospectively studied. The incidence and risk factors of clonal evolution after IST were analyzed. RESULTS: The 5-year overall survival rate of the 231 patients was 82...
January 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28099573/hematological-and-morphometric-differences-of-blood-cells-from-rheas-rhea-americana-struthioniformes-rheidae-on-two-conservation-farms
#8
S S M Gallo, N B Ederli, F C R Oliveira
Today, blood tests are an indispensable tool in avian medicine. This study aimed to describe and compare hematological and morphometric data of erythrocytes, leukocytes and thrombocytes of rhea, Rhea americana. To do so, 58 rheas of both sexes on two farms, one in Cachoeiro do Itapemirim, Espírito Santo (ES), and the other in São Carlos, São Paulo (SP), were selected. Blood samples were taken and their RBC counts, PCV and Hb levels were determined and used in hematimetric index calculations. The total and differentiated leukocyte counts and the TPP and fibrinogen serum levels were also obtained...
January 12, 2017: Brazilian Journal of Biology, Revista Brasleira de Biologia
https://www.readbyqxmd.com/read/28096614/evidence-of-hemolysis-in-pigs-infected-with-highly-virulent-african-swine-fever-virus
#9
Zaven Karalyan, Hovakim Zakaryan, Elina Arakelova, Violeta Aivazyan, Marina Tatoyan, Armen Kotsinyan, Roza Izmailyan, Elena Karalova
AIM: The research was conducted to understand more profoundly the pathogenetic aspects of the acute form of the African swine fever (ASF). MATERIALS AND METHODS: A total of 10 pigs were inoculated with ASF virus (ASFV) (genotype II) in the study of the red blood cells (RBCs), blood and urine biochemistry in the dynamics of disease. RESULTS: The major hematological differences observed in ASFV infected pigs were that the mean corpuscular volume, mean corpuscular hemoglobin, and hematocrits were significantly decreased compared to controls, and the levels of erythropoietin were significantly increased...
December 2016: Veterinary World
https://www.readbyqxmd.com/read/28096609/studies-on-alterations-of-clinical-and-hemato-biochemical-parameters-before-and-after-treatment-in-calves-naturally-infected-with-theileriosis
#10
J P Kachhawa, Surender Kumar, Ankita Sharma, A P Singh, Anil Ahuja
AIM: The aim was to determine hemato-biochemical alterations and to determine the better treatment of theileriosis in naturally infected calves. MATERIALS AND METHODS: A total of 74 Holstein crossbred calves below 6 months of age, of either sex were included for present investigation in Bikaner. Based on the clinical examinations and laboratory results, 20 calves included for hemato-biochemical studies (before and after treatment) and divided into two groups (having 10 calves each)...
December 2016: Veterinary World
https://www.readbyqxmd.com/read/28096088/how-i-treat-acquired-aplastic-anemia
#11
Andrea Bacigalupo
Acquired severe aplastic anemia (SAA) is a rare hematologic disease associated with significant morbidity and mortality. Immune destruction of hemopoietic stem cells, plays an important role in the pathogenesis, as shown by successful treatment with immunosuppressive agents (IST), leading to transfusion independence, or complete recovery of peripheral blood counts, in a proportion of patients. Growth factors, can be combined with IST, and may improve response rates, as recently shown with thrombopoietin analogs...
January 17, 2017: Blood
https://www.readbyqxmd.com/read/28095350/progressive-multifocal-leukoencephalopathy-in-a-patient-with-systemic-mastocytosis-treated-with-cladribine
#12
Karl B Alstadhaug, Randi Fykse Halstensen, Francis Odeh
BACKGROUND: Progressive multifocal leukoencephalopathy (PML) is a rare opportunistic brain infection caused by the human polyomavirus JC (JCPyV). A particular problem with the drug cladribine seems to be prolonged suppression of the CD4+ T-cells, a well-known risk factor for PML. CASE DESCRIPTION: A 67-year-old male presented with a 3-weeks history of unsteady gait, dysarthria and a dysfunctional right arm. Seven years earlier, he had been diagnosed with urticaria pigmentosa, and 2 years later aggressive systemic mastocytosis...
December 14, 2016: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28094443/validity-of-simple-clinical-and-biological-parameters-as-screening-tool-for-sickle-cell-anemia-for-referral-to-tertiary-center-in-highly-resource-constraints
#13
Bertin Tshimanga Kadima, Jean Lambert Gini-Ehungu, Fiston Ikwa Ndol Mbutiwi, John Tunda Bahati, Michel Ntetani Aloni
BACKGROUND: In the Democratic Republic of Congo, the incidence of sickle cell anemia (SCA) is estimated around 40 000 neonates per year. However, it is notoriously difficult to perform conventional electrophoresis in all hospitals and laboratories, especially at peripheral levels and rural area. A panel of multiple clinical and laboratory features that would enhance sickle cell disease were assessed for the detection of the disease in highly resource-scarce settings. METHODS: A prospective study was conducted in Kinshasa...
January 17, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28093505/modelling-the-ferrochelatase-c-315-48c-modifier-mutation-for-erythropoietic-protoporphyria-epp-in-mice
#14
Jasmin Barman-Aksözen, Paulina Ćwiek, Vijay B Bansode, Frank Koentgen, Judith Trüb, Pawel Pelczar, Paolo Cinelli, Xiaoye Schneider-Yin, Daniel Schümperli, Elisabeth I Minder
Erythropoietic Protoporphyria (EPP) is caused by deficiency of ferrochelatase (FECH) which incorporates iron into protoporphyrin IX (PPIX) to form heme. Excitation of accumulated PPIX by light generates oxygen radicals which evoke excessive pain and, after longer light exposure, ulcerations in exposed skin areas of EPP patients. Moreover, ∼5% of the patients develop a liver dysfunction due to PPIX accumulation. Most patients (∼97%) have a severe FECH mutation (Mut) in trans to an intronic polymorphism (c...
January 12, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28090473/three-year-old-male-with-multiple-dieulafoy-lesions-treated-with-epinephrine-injections-via-therapeutic-endoscopy
#15
Christina L Baldwin, Michael Wilsey
Dieulafoy lesions, vascular anomalies typically found along the gastrointestinal tract, have been viewed as rare and obscure causes of sudden intestinal bleeding, especially in pediatric patients. Since their discovery in the late 19th century, the reported incidence has increased. This is due to an increased awareness of, and knowledge about, their presentation and to advanced endoscopic diagnosis and therapy. Our patient was a three-year-old male, without a complex medical history. He presented to the emergency department with acute hematemesis with blood clots and acute anemia requiring blood transfusion...
December 2016: Pediatric Gastroenterology, Hepatology & Nutrition
https://www.readbyqxmd.com/read/28090285/pulmonary-vascular-and-ventricular-dysfunction-in-the-susceptible-patient-2015-grover-conference-series
#16
REVIEW
Bradley A Maron, Roberto F Machado, Larissa Shimoda
Pulmonary blood vessel structure and tone are maintained by a complex interplay between endogenous vasoactive factors and oxygen-sensing intermediaries. Under physiological conditions, these signaling networks function as an adaptive interface between the pulmonary circulation and environmental or acquired perturbations to preserve oxygenation and maintain systemic delivery of oxygen-rich hemoglobin. Chronic exposure to hypoxia, however, triggers a range of pathogenetic mechanisms that include hypoxia-inducible factor 1α (HIF-1α)-dependent upregulation of the vasoconstrictor peptide endothelin 1 in pulmonary endothelial cells...
December 2016: Pulmonary Circulation
https://www.readbyqxmd.com/read/28089722/perioperative-allogenic-blood-transfusion-in-renal-cell-carcinoma-risk-factors-and-effect-on-long-term-outcomes
#17
Francesco Soria, Michela de Martino, Carmen V Leitner, Marco Moschini, Shahrokh F Shariat, Tobias Klatte
BACKGROUND: We sought to create a preoperative model to predict the risk of perioperative blood transfusion (PBT) in patients with renal cell carcinoma (RCC) undergoing nephrectomy and to evaluate the effect of PBT on long-term outcomes. PATIENTS AND METHODS: The present retrospective study included 648 consecutive patients who had undergone radical or partial nephrectomy for RCC at a single institution. The risk factors for PBT were analyzed using logistic regression analysis...
December 29, 2016: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28089715/ameliorating-effects-of-herbal-formula-hemomine-on-experimental-subacute-hemorrhagic-anemia-in-rats
#18
Sae Kwang Ku, Hyemee Kim, Joo Wan Kim, Ki Sung Kang, Hae-Jeung Lee
ETHNOPHARMACOLOGICAL RELEVANCE: Hemomine (HM) is an herbal mixture consisting of 5 varieties of the hematopoietic herbal extracts (Angelica gigas Nakai, Cnidium officinale Makino, Paeonia lactiflora Pall., Rehmannia glutinosa Liboschitz ex Stueudel, Glycyrrhiza uralensis Fischer). AIM OF THE STUDY: Anemia has been treated with iron supplements, whereas it could cause adverse side effects such as digestive discomfort. In the present study, HM was applied to SHA rats to test for several activities so as to verify its therapeutic potentials on anemia and digestive discomfort...
January 9, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28088126/severe-hypoalbuminemia-and-steatohepatitis-leading-to-death-in-a-young-vegetarian-female-8-months-after-mini-gastric-bypass-a-case-report
#19
Mohammad Kermansaravi, Mohammad Reza Abdolhosseini, Ali Kabir, Abdolreza Pazouki
BACKGROUND: Hypoalbuminemia is an important complication after Mini Gastric Bypass (MGB) and is more frequent in vegetarians, diabetic nephropathy, and alcoholic and liver disease patients. The patients must be followed in regular intervals and serum albumin must be checked in every visit after MGB. Hypoalbuminemia must be prevented by good protein regimes. CASE SUMMARY: A 29 years old female was admitted 8 month after Laparoscopic Mini Gastric Bypass with malaise, dyspnea, icter, nausea, vomiting, diarrhea and edema of extremities from 2 weeks before admission...
December 11, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28078984/rasburicase-induced-methemoglobinemia-in-a-patient-with-glucose-6-phosphate-dehydrogenase-deficiency
#20
Maliha Khan, Shilpa Paul, Saad Farooq, Thein Hlaing Oo, Priya Ramshesh, Nitin Jain
BACKGROUND: Rasburicase is commonly used in patients with hematologic malignancies for tumor lysis syndrome prophylaxis and management. Methemoglobinemia is a serious rare adverse effect of rasburicase, more common in patients with G6PD deficiency. Prompt diagnosis and appropriate management of this condition can make the difference between successful recovery and significant morbidity. Here we discuss the link of rasburicase with methemoglobinemia and the pathophysiology behind increased incidence of this side effect in G6PD deficient patients...
January 11, 2017: Current Drug Safety
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