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Neonatal hemolytic

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https://www.readbyqxmd.com/read/27933591/charcoal-hemoperfusion-in-the-treatment-of-medically-refractory-pruritus-in-cholestatic-liver-disease
#1
Wonngarm Kittanamongkolchai, Ziad M El-Zoghby, J Eileen Hay, Russell H Wiesner, Patrick S Kamath, Nicholas F LaRusso, Kymberly D Watt, Carl H Cramer, Nelson Leung
BACKGROUND: Pruritus is a distressing symptom in a considerable proportion of cholestatic patients and a few of them do not respond to conventional treatment. Charcoal hemoperfusion (CH) is an extracorporeal technique that is effective in eliminating protein-bound substances which may have accumulated during cholestasis. Several case reports have shown significant reduction of bilirubin in mechanical jaundice and neonatal hemolytic jaundice. However, the published data of CH for the treatment of refractory pruritus in cholestatic patients are scarce...
December 8, 2016: Hepatology International
https://www.readbyqxmd.com/read/27861255/neonatal-nonimmune-hemolytic-anemia
#2
Hassan M Yaish, Robert D Christensen, Richard S Lemons
PURPOSE OF REVIEW: As in adults and older children, anemia in newborn infants can be the result of erythropoietic failure, hemorrhage, or hemolysis. When hemolysis is the prime consideration, it can be challenging for physicians caring for neonates to choose from the wide variety of available diagnostic tests. This review describes the authors' opinions regarding rational, consistent, and cost-effective means of making an exact diagnosis of a neonatal hemolytic condition. RECENT FINDINGS: Two recent advances in the diagnosis of neonatal nonimmune hemolytic disorders are highlighted in this review: introduction of flow cytometry-based Eosin-5-maleimide (EMA) uptake as a screening test to identify RBC membrane defects and next-generation sequencing (NGS)-based panels to uncover exact mutations causing hemolysis...
November 16, 2016: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/27819066/group-b-streptococcus-circumvents-neutrophils-and-neutrophil-extracellular-traps-during-amniotic-cavity-invasion-and-preterm-labor
#3
Erica Boldenow, Claire Gendrin, Lisa Ngo, Craig Bierle, Jay Vornhagen, Michelle Coleman, Sean Merillat, Blair Armistead, Christopher Whidbey, Varchita Alishetti, Veronica Santana-Ufret, Jason Ogle, Michael Gough, Sengkeo Srinouanprachanh, James W MacDonald, Theo K Bammler, Aasthaa Bansal, H Denny Liggitt, Lakshmi Rajagopal, Kristina M Adams Waldorf
Preterm birth is a leading cause of neonatal morbidity and mortality. Although microbial invasion of the amniotic cavity (MIAC) is associated with the majority of early preterm births, the temporal events that occur during MIAC and preterm labor are not known. Group B Streptococci (GBS) are β-hemolytic, gram-positive bacteria, which commonly colonize the vagina but have been recovered from the amniotic fluid in preterm birth cases. To understand temporal events that occur during MIAC, we utilized a unique chronically catheterized nonhuman primate model that closely emulates human pregnancy...
October 2016: Science Immunology
https://www.readbyqxmd.com/read/27807866/a-jordanian-family-with-three-sisters-apparently-homozygous-for-m-k-and-evidence-for-clinical-significance-of-antibodies-produced-by-m-k-m-k-individuals
#4
Nour Al-Huda Al-Jada
BACKGROUND: The rare M(k) M(k) phenotype is the result of a deletion of the coding regions of both GYPA and GYPB. Red blood cells (RBCs) of individuals homozygous for the rare M(k) gene lack all MNS blood group antigens and have no glycophorin A or glycophorin B. This phenotype is extremely rare and only four families have been reported. CASE REPORT: A 28-year-old woman was referred for assessment of recurrent early neonatal deaths. She was found to be apparently homozygous for M(k) ...
November 3, 2016: Transfusion
https://www.readbyqxmd.com/read/27746217/a-new-rat-model-of-neonatal-bilirubin-encephalopathy-kernicterus
#5
Naser Amini, Nasim Vousooghi, Mansoureh Soleimani, Ali Samadikuchaksaraei, Mehdi Akbari, Hosein Safakheil, Pezhman Atafimanesh, Ali Shahbazi, Peiman Brouki Milan, Sara Ramezani, Masoud Mozafari, Mohammad Taghi Joghataei
INTRODUCTION: Hemolytic kernicterus, an indirect bilirubin-induced brain dysfunction, is associated with hyper-bilirubinemia in mammalian neonates. In this study, a new model of kernicterus has been developed using intra-peritoneal injections of phenyl hydrazine and subcutaneous injections of sulfisoxazole. These drugs can potentially induce kernicterus in neonatal through changes in hemolysis and hypo-albumin. METHODS: For this purpose, 7-day-old male Wistar rats (n=72; mean weight 11±1g) were used...
October 13, 2016: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/27735024/the-effect-of-immunoglobulin-treatment-for-hemolysis-on-the-incidence-of-necrotizing-enterocolitis-a-meta-analysis
#6
Y Yang, J-J Pan, X-G Zhou, X-Y Zhou, R Cheng, Y-H Hu
OBJECTIVE: The application of intravenous immune globulin (IVIG) has been recommended for treating hemolysis in neonates for several years. But in clinical work, more than one study reported that IVIG treatment maybe increased the risk of NEC in hemolytic patients. In light of this situation, we performed this meta-analysis. MATERIALS AND METHODS: We searched in PubMed, Embase, Cochrane databases for English references, and in Wanfang, VIP, Cnki databases for Chinese references (all last launched on 2015/12/18)...
September 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27704083/fiber-enhanced-raman-spectroscopic-analysis-as-a-novel-method-for-diagnosis-and-monitoring-of-diseases-related-to-hyperbilirubinemia-and-hyperbiliverdinemia
#7
Di Yan, Christian Domes, Robert Domes, Timea Frosch, Jürgen Popp, Mathias W Pletz, Torsten Frosch
Fiber enhanced resonance Raman spectroscopy (FERS) is introduced for chemically selective and ultrasensitive analysis of the biomolecules hematin, hemoglobin, biliverdin, and bilirubin. The abilities for analyzing whole intact, oxygenated erythrocytes are proven, demonstrating the potential for the diagnosis of red blood cell related diseases, such as different types of anemia and hemolytic disorders. The optical fiber enables an efficient light-guiding within a miniaturized sample volume of only a few micro-liters and provides a tremendously improved analytical sensitivity (LODs of 0...
October 17, 2016: Analyst
https://www.readbyqxmd.com/read/27642669/rapid-screening-for-group-b-streptococcus-in-near-term-pregnant-women-by-granada%C3%A2-biphasic-broth
#8
Mona Wassef, Doaa Ghaith, Rana M A Abdella, Mohamed Kamel
BACKGROUND: Prenatal screening for group B Streptococcus (GBS) colonization can reduce the incidence of neonatal GBS infections. We aimed to improve the screening-based approach of GBS in a limited resources antenatal care clinic by using Strep B Granada™ Biphasic Broth. METHODS: This study included 80 pregnant women between 35 and 37 weeks of gestation, who attended the antenatal care clinic of Kasr El-Aini University Hospital from November 2013 to January 2014...
October 3, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27617068/evaluation-of-serum-zinc-levels-in-hyperbilirubinemic-neonates-before-and-after-phototherapy
#9
Ziba Mosayebi, Maral Rahmani, Shahin Behjati Ardakani, Mahdi Sheikh, Mamak Shariat, Golnaz Rezaeizadeh
BACKGROUND: The existing therapeutic methods for neonatal jaundice are costly, time-consuming and potentially risky. Zinc salts can reduce phototherapy duration by precipitating unconjugated bilirubin in the intestine (bilirubin and zinc can form a complex in physiologic pH); however, zinc toxicity is an issue that must be considered since theoretically bilirubin reduction by phototherapy may increase serum zinc levels, making additional zinc supplementation the potential cause of zinc toxicity...
June 2016: Iranian Journal of Pediatrics
https://www.readbyqxmd.com/read/27581854/recurrent-isolated-neonatal-hemolytic-anemia-think-about-glutathione-synthetase-deficiency
#10
Isabelle Signolet, Rachel Chenouard, Florine Oca, Magalie Barth, Pascal Reynier, Marie-Christine Denis, Gilles Simard
Hemolytic anemia (HA) of the newborn should be considered in cases of rapidly developing, severe, or persistent hyperbilirubinemia. Several causes of corpuscular hemolysis have been described, among which red blood cell enzyme defects are of particular concern. We report a rare case of red blood cell enzyme defect in a male infant, who presented during his first months of life with recurrent and isolated neonatal hemolysis. All main causes were ruled out. At 6.5 months of age, the patient presented with gastroenteritis requiring hospitalization; fortuitously, urine organic acid chromatography revealed a large peak of 5-oxoproline...
September 2016: Pediatrics
https://www.readbyqxmd.com/read/27573700/transient-porphyrinemia-in-a-neonate-a-case-report
#11
Brooke Boer, Alison Tisack, Tor Shwayder
We describe a neonate with anemia, thrombocytopenia, and hyperbilirubinemia secondary to hemolytic disease of the newborn. After phototherapy for hyperbilirubinemia, the neonate developed a photodistributed eruption with high serum and urine porphyrin levels. This transient porphyrinemia resolved at 1 month.
August 30, 2016: Pediatric Dermatology
https://www.readbyqxmd.com/read/27531851/-positive-coomb-s-test-in-newborns-causes-and-clinical-consequences-summary-of-cases-diagnosed-in-the-blood-bank-in-the-years-2005-to-2012
#12
Thordis Kristinsdottir, Sveinn Kjartansson, Hildur Hardardottir, Thorbjorn Jonsson, Anna Margret Halldorsdottir
INTRODUCTION: Hemolytic disease of the fetus and newborn (HDFN) is caused by the destruction of fetal red blood cells due to red cell antibodies produced by the mother. HDFN can cause fetal hydrops during pregnancy or neonatal jaundice after birth. Direct Antiglobulin Test (DAT) detects antibodies bound to red cells and is a valuable test aiding in the diagnosis of HDFN. In Iceland DAT is routinely performed on cord blood or newborn blood samples if the mother is Rhesus D negative or has non-A/B red cell alloantibodies...
July 2016: Læknablađiđ
https://www.readbyqxmd.com/read/27516434/warm-antibody-hemolytic-anemia-a-rare-presentation-of-neonatal-lupus
#13
Rohan Halder, Richa Malik, Rajesh Kashyap
Neonatal lupus erythematosus (NLE) affects 1%-2% pregnant females with autoimmunity. An infant presented with steroid refractory hemolytic anemia as a manifestation of NLE. A trial of withholding breastfeeding had a transient response, but infant was eventually put on cyclosporin therapy to control the hemolysis. Now he is thriving well and transfusion free.
August 11, 2016: Lupus
https://www.readbyqxmd.com/read/27459953/use-of-intravenous-immunoglobulin-in-neonates-at-a-tertiary-academic-hospital-a-retrospective-11-year-study
#14
Lani Lieberman, Jordan Spradbrow, Amy Keir, Michael Dunn, Yulia Lin, Jeannie Callum
BACKGROUND: Intravenous immunoglobulin (IVIG) is used to treat a variety of diseases in the neonatal intensive care unit (NICU). Although audits have reported on the spectrum of IVIG use in adults, the indications and utilization in neonates has not been investigated. The objectives of this study were to describe the usage pattern of and indications for IVIG in a tertiary care NICU. STUDY DESIGN AND METHODS: A retrospective chart review was performed of all neonates who received IVIG in the NICU from January 2003 to December 2013...
July 26, 2016: Transfusion
https://www.readbyqxmd.com/read/27398328/hyperbilirubinemia-in-neonates-types-causes-clinical-examinations-preventive-measures-and-treatments-a-narrative-review-article
#15
REVIEW
Sana Ullah, Khaista Rahman, Mehdi Hedayati
BACKGROUND: Hyperbilirubinemia, or jaundice, is a life threatening disorder in newborns. It is a multifactorial disorder with many symptoms. Generally, the physiological jaundice is the most prevalent type however in some regions pathological jaundice is also common. This review article focuses on a brief introduction to jaundice, its types and causes, measuring the bilirubin level, clinical approaches towards hyperbilirubinemia, different precautionary measures for the parents of babies suffering from hyperbilirubinemia and different remedial therapeutic measures for its treatment...
May 2016: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/27354418/siblings-with-severe-pyruvate-kinase-deficiency-and-a-complex-genotype
#16
Robert D Christensen, Hassan M Yaish, Roberto H Nussenzveig, Archana M Agarwal
Siblings presented as neonates with severe jaundice and transfusion-dependent hemolytic anemia. Next-generation sequencing revealed both to have three heterozygous mutations in the gene encoding erythrocyte pyruvate kinase (PKLR), plus a heterozygous splice mutation in the beta-spectrin gene (SPTB). In addition, both have a different 5th mutation in a gene encoding other erythrocyte membrane proteins. The asymptomatic parents and all three asymptomatic siblings have different sets of these mutations. © 2016 Wiley Periodicals, Inc...
September 2016: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/27324188/cobalamin-c-defect-hemolytic-uremic-syndrome-caused-by-new-mutation-in-mmachc
#17
Amra Adrovic, Nur Canpolat, Salim Caliskan, Lale Sever, Ertugrul Kıykım, Ayse Agbas, Matthias R Baumgartner
Atypical hemolytic uremic syndrome (aHUS) is mostly linked to defects in the regulation of alternative complement pathway, but a rare form is caused by an inherited defect of cobalamin 1 metabolism. Cobalamin C (cblC) deficiency is an autosomal recessive disorder of vitamin B12 metabolism that results from mutations in methylmalonic aciduria and homocysteinuria (MMACHC). The most severe form of cblC deficiency and the associated high mortality rate are mostly observed in neonates or in infants <6 months of age...
August 2016: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/27275310/evaluation-of-neonatal-hemolytic-jaundice-clinical-and-laboratory-parameters
#18
Anet Papazovska Cherepnalkovski, Vjekoslav Krzelj, Beti Zafirovska-Ivanovska, Todor Gruev, Josko Markic, Natasa Aluloska, Nikolina Zdraveska, Katica Piperkovska
BACKGROUND: Neonatal jaundice that occurs in ABO or Rhesus issoimunisation has been recognized as one of the major risk factors for development of severe hyperbilirubinemia and bilirubin neurotoxicity. AIM: Aim of our study was to investigate clinical and laboratory parameters associated with hemolytic jaundice due to Rh and ABO incompatibility and compare results with the group of unspecific jaundice. MATERIAL AND METHODS: One hundred sixty seven (167) neonatal hyperbilirubinemia cases were included in the study, 24...
December 15, 2015: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/27213370/functional-and-biochemical-characterization-of-three-recombinant-human-glucose-6-phosphate-dehydrogenase-mutants-zacatecas-vanua-lava-and-viangchan
#19
Saúl Gómez-Manzo, Jaime Marcial-Quino, America Vanoye-Carlo, Hugo Serrano-Posada, Abigail González-Valdez, Víctor Martínez-Rosas, Beatriz Hernández-Ochoa, Edgar Sierra-Palacios, Rosa Angélica Castillo-Rodríguez, Miguel Cuevas-Cruz, Eduardo Rodríguez-Bustamante, Roberto Arreguin-Espinosa
Glucose-6-phosphate dehydrogenase (G6PD) deficiency in humans causes severe disease, varying from mostly asymptomatic individuals to patients showing neonatal jaundice, acute hemolysis episodes or chronic nonspherocytic hemolytic anemia. In order to understand the effect of the mutations in G6PD gene function and its relation with G6PD deficiency severity, we report the construction, cloning and expression as well as the detailed kinetic and stability characterization of three purified clinical variants of G6PD that present in the Mexican population: G6PD Zacatecas (Class I), Vanua-Lava (Class II) and Viangchan (Class II)...
2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27186530/delayed-cord-clamping-in-red-blood-cell-alloimmunization-safe-effective-and-free
#20
Ryan M McAdams
Hemolytic disease of the newborn (HDN), an alloimmune disorder due to maternal and fetal blood type incompatibility, is associated with fetal and neonatal complications related to red blood cell (RBC) hemolysis. After delivery, without placental clearance, neonatal hyperbilirubinemia may develop from ongoing maternal antibody-mediated RBC hemolysis. In cases refractory to intensive phototherapy treatment, exchange transfusions (ET) may be performed to prevent central nervous system damage by reducing circulating bilirubin levels and to replace antibody-coated red blood cells with antigen-negative RBCs...
April 2016: Translational pediatrics
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