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Neonatal hyperbilirubinemia

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https://www.readbyqxmd.com/read/28409762/readmission-for-neonatal-hyperbilirubinemia-in-an-area-with-a-high-prevalence-of-glucose-6-phosphate-dehydrogenase-deficiency-a-hospital-based-retrospective-study
#1
A M Al-Omran, S Y Al-Abdi, Z S Al-Salam
BACKGROUND: Hyperbilirubinemia is one of the most common causes of neonatal readmission to hospital. AIMS: To assess risk factors for hyperbilirubinemia among neonates readmitted for this condition and the ratio of the mean corpuscular hemoglobin concentration (MCHC) to the mean corpuscular volume (MCV). METHODS: We retrospectively studied the clinical and laboratory findings, management and possible risk factors for hyperbilirubinemia in 301 neonates born at ≥35 weeks gestation and readmitted to hospital owing to hyperbilirubinemia over five years...
April 8, 2017: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/28401746/resolution-of-liver-disease-in-transient-abnormal-myelopoiesis-with-fish-oil-emulsion
#2
Toshihiko Watanabe, Shoichiro Amari, Keiko Tsukamoto, Yushi Ito, Daisuke Tomizawa, Takako Yoshioka, Yutaka Kanamori
Neonates with Down syndrome are at risk of developing transient abnormal myelopoiesis (TAM), which is characterized by transient clonal myeloproliferation of the blast cells. TAM can resolve spontaneously, but some patients die at an early age due to organ failure. Liver fibrosis in TAM is a life-threatening condition, but treatment options have not yet been established. Here, we report on the case of an infant with TAM complicated by liver disease, whose hyperbilirubinemia was successfully ameliorated with omega-3 fatty acid (ω3FA) lipid emulsion...
April 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28400613/the-african-american-neonate-at-risk-for-extreme-hyperbilirubinemia-a-better-management-strategy-is-needed
#3
EDITORIAL
W C Golden
No abstract text is available yet for this article.
April 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28399191/association-between-uridin-diphosphate-glucuronosylotransferase-1a1-ugt1a1-gene-polymorphism-and-neonatal-hyperbilirubinemia
#4
Katarzyna Mazur-Kominek, Tomasz Romanowski, Krzysztof Bielawski, Bogumiła Kiełbratowska, Krzysztof Preis, Iwona Domżalska-Popadiuk, Magdalena Słomińska-Frączek, Katarzyna Sznurkowska, Joanna Renke, Katarzyna Plata-Nazar, Karolina Śledzińska, Grażyna Sikorska-Wiśniewska, Magdalena Góra-Gębka, Anna Liberek
OBJECTIVE: To assess the prevalence of UGT1A1*28 and UGT1A1*60 polymorphisms of UGT1A1 gene and their association with hyperbilirubinemia. STUDY DESIGN: The study was performed at a single centre - at the Department of Obstetrics of the Medical University of Gdansk in Poland. DNA was isolated from Guthrie cards of 171 infants. Only full term newborns (gestational age 38-42 weeks) were included in the study. Fluorescent molecular probes were used for UGT1A1 promoter variation analysis...
April 12, 2017: Acta Biochimica Polonica
https://www.readbyqxmd.com/read/28386951/neonatal-characteristics-and-perinatal-complications-in-neonates-with-down-syndrome
#5
Zivanit Ergaz-Shaltiel, Offra Engel, Ira Erlichman, Yaron Naveh, Michael S Schimmel, Ariel Tenenbaum
The annual rate of Down syndrome (DS) births in Jerusalem is stable, regardless of prenatal screening, and diagnostic measures. We aimed to evaluate our historical cohort for obstetrical characteristics and the neonatal course and complications. We reviewed computerized medical files of neonates with the diagnosis of DS born in the four main hospitals in Jerusalem between the years 2000 and 2010 and evaluated for maternal history and primary neonatal hospitalization. A total of 403 neonates were diagnosed with DS...
April 6, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28372469/the-influence-of-zinc-sulfate-on-neonatal-jaundice-a-systematic-review-and-meta-analysis
#6
Li Yang, De Wu, Baotian Wang, Xiaosong Bu, Jiulai Tang
INTRODUCTION: Zinc sulfate may be a promising approach to treat neonatal jaundice. However, the results remain controversial. We conducted a systematic review and meta-analysis to evaluate the efficacy and safety of zinc sulfate on hyperbilirubinemia among neonates. METHODS: PubMed, EMbase, Web of science, EBSCO, Cochrane library databases, Ovid, BMJ database and CINAHL were systematically searched. Randomized controlled trials (RCTs) assessing the effect of zinc sulfate versus placebo on the prevention of jaundice in neonates were included...
April 3, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28368263/transcutaneous-bilirubin-nomogram-for-healthy-term-and-late-preterm-neonates-in-first-96-hours-of-life
#7
Pareshkumar Thakkar, Hardas Chavda, Vikas Doshi
OBJECTIVE: To develop nomogram of Transcutaneous Bilirubin among healthy term and late-preterm neonates during first 96 hours of age. OBJECTIVE: HASH(0x41a4db8) DESIGN: Prospective longitudinal study. SETTING: Neonatal unit of a tertiary care Hospital of Central Gujarat, India. PARTICIPANTS: 1075 healthy term and late preterm neonates (≥35weeks). INTERVENTION: Six-hourly transcutaneous bilirubin was obtained from birth to 96 hour of life using Drager JM 103 Transcutaneous Bilirubinometer...
March 29, 2017: Indian Pediatrics
https://www.readbyqxmd.com/read/28356083/limitations-and-opportunities-of-whole-blood-bilirubin-measurements-by-gem-premier-4000%C3%A2
#8
Li Wang, Arianne Y K Albert, Benjamin Jung, Keyvan Hadad, Martha E Lyon, Melanie Basso
BACKGROUND: Neonatal hyperbilirubinemia has traditionally been screened by either total serum bilirubin or transcutaneous bilirubin. Whole blood bilirubin (TwB) by the GEM Premier 4000® blood gas analyzer (GEM) is a relatively new technology and it provides fast bilirubin results with a small sample volume and can measure co-oximetry and other analytes. Our clinical study was to evaluate the reliability of TwB measured by the GEM and identify analytical and clinical factors that may contribute to possible bias...
March 29, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28348377/bilirubin-augments-ca-2-load-of-developing-bushy-neurons-by-targeting-specific-subtype-of-voltage-gated-calcium-channels
#9
Min Liang, Xin-Lu Yin, Hai-Bo Shi, Chun-Yan Li, Xin-Yi Li, Ning-Ying Song, Hao-Song Shi, Yi Zhao, Lu-Yang Wang, Shan-Kai Yin
Neonatal brain is particularly vulnerable to pathological levels of bilirubin which elevates and overloads intracellular Ca(2+), leading to neurotoxicity. However, how voltage-gated calcium channels (VGCCs) are functionally involved in excess calcium influx remains unknown. By performing voltage-clamp recordings from bushy cells in the ventral cochlear nucleus (VCN) in postnatal rat pups (P4-17), we found the total calcium current density was more than doubled over P4-17, but the relative weight of VGCC subtypes changed dramatically, being relatively equal among T, L, N, P/Q and R-type at P4-6 to predominantly L, N, R over T and P/Q at P15-17...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28340583/inflammatory-signature-of-cerebellar-neurodegeneration-during-neonatal-hyperbilirubinemia-in-ugt1-mouse-model
#10
Simone Vodret, Giulia Bortolussi, Jana Jašprová, Libor Vitek, Andrés F Muro
BACKGROUND: Severe hyperbilirubinemia is toxic during central nervous system development. Prolonged and uncontrolled high levels of unconjugated bilirubin lead to bilirubin-induced neurological damage and eventually death by kernicterus. Bilirubin neurotoxicity is characterized by a wide array of neurological deficits, including irreversible abnormalities in motor, sensitive and cognitive functions, due to bilirubin accumulation in the brain. Despite the abundant literature documenting the in vitro and in vivo toxic effects of bilirubin, it is unclear which molecular and cellular events actually characterize bilirubin-induced neurodegeneration in vivo...
March 24, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28283555/developmental-genetic-dietary-and-xenobiotic-influences-on-neonatal-hyperbilirubinemia
#11
REVIEW
Mei-Fei Yueh, Shujuan Chen, Nghia Nguyen, Robert H Tukey
Hyperbilirubinemia, caused by the accumulation of unconjugated bilirubin, is one of the most common clinical diagnoses in both premature and term newborns. Owing to the fact that bilirubin is metabolized solely through glucuronidation by UDP-glucuronosyltransferase (UGT) 1A1, it is now known that immaturity of UGT1A1, in combination with the overproduction of bilirubin during the developmental stage, acts as a bottleneck to bilirubin elimination and predisposes the infant to high total serum bilirubin levels...
May 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/28275334/clinical-significance-of-an-alloantibody-against-the-kell-blood-group-glycoprotein
#12
Stella Maris Mattaloni, Carine Arnoni, Rosario Céspedes, Claudia Nonaka, Carolina Trucco Boggione, Melina Eliana Luján Brajovich, Andrea Trejo, Néstor Zani, Claudia Silvia Biondi, Lilian Castilho, Carlos Miquel Cotorruelo
BACKGROUND: Kell null (K0) individuals can produce anti-Ku, an antibody against many epitopes in the Kell glycoprotein, after transfusion and/or pregnancy. Since sensitized K0 patients are rare, little is known about anti-Ku clinical relevance and in particular about its association to hemolytic disease of the fetus and newborn. CASE REPORT: This work describes a case of neonatal hyperbilirubinemia due to immune-mediated erythrocyte destruction by an alloantibody directed against the Kell glycoprotein...
January 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28251113/rh-isoimmunized-pregnancy-managed-noninvasively-a-report-of-two-cases
#13
Deepti Jain
Pregnancy with Rh isoimmunization is a grave situation. Two women with indirect Coombs test (ICT) positive were managed conservatively with a favorable outcome. Peak systolic velocity (PSV) of middle cerebral artery (MCA) was measured every 2 weeks, and pregnancy continued till the value remained <1.5 mean of median. In one woman, the pregnancy could be prolonged to 37 weeks when delivery was induced and the neonate did not develop hyperbilirubinemia. In the second woman with bad obstetric history, when a highly positive ICT was reported, intravenous immunoglobulin (IVIG) was given in a single dose of 5 g every 2 weeks starting at 27 weeks, for a total of three doses, along with measurement of PSV of MCA...
January 2017: International Journal of Applied and Basic Medical Research
https://www.readbyqxmd.com/read/28224092/language-and-cognitive-outcome-for-high-risk-neonates-at-the-age-of-2-3-years-experience-from-an-arab-country
#14
Tamer Abou-Elsaad, Hesham Abdel-Hady, Hemmat Baz, Doaa ElShabrawi
AIM: To investigate the effect of different neonatal risk factors on different language parameters as well as cognitive abilities among Arabic speaking Egyptian children at the age of two to three years of life and to find out which risk factor(s) had the greatest impact on language and cognitive abilities. METHODS: This retrospective cohort study was conducted on 103 children with age range of 2-3 years (median age 31 mo). They were 62 males and 41 females who were exposed to different high-risk factors in the perinatal period, with exclusion of metabolic disorders, sepsis/meningitis, congenital anomalies and chromosomal aberrations...
February 8, 2017: World Journal of Clinical Pediatrics
https://www.readbyqxmd.com/read/28218564/-a-brief-of-gestational-diabetes-mellitus-risk-factors-and-current-criteria-of-diagnosis
#15
Zahra Al-Aissa, Orsolya Hadarits, Klára Rosta, András Zóka, János Rigó, Gábor Firneisz, Anikó Somogyi
Diabetes is one of the most common metabolic disorders that may cause pathological pregnancy. Treating diabetes recognized during pregnancy results in lowering maternal and fetal complications. These patients present higher risk for excessive weight gain, preeclampsia, delivery with cesarean sections, high risk of developing type 2 diabetes and cardiovascular disease in the future. Fetuses of mothers with gestational diabetes are at higher risk for macrosomia and birth trauma, after delivery they present higher risk of developing neonatal hypoglycemia, hyperbilirubinemia, and respiratory distress syndrome...
February 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28213806/clinical-ugt1a1-genetic-analysis-in-pediatric-patients-experience-of-a-reference-laboratory
#16
Ann M Moyer, Jennifer M Skierka, Katrina E Kotzer, Michelle L Kluge, John L Black, Linnea M Baudhuin
BACKGROUND: Neonatal hyperbilirubinemia can be severe or prolonged and warrant exploration into the underlying etiology, which may include genetic assessment of UGT1A1 for inherited disorders (i.e. Crigler-Najjar syndrome or Gilbert syndrome). METHODS: In our reference laboratory, we performed UGT1A1 gene sequencing analysis on 346 pediatric patients referred for a clinical indication of hyperbilirubinemia. RESULTS: Males (n = 241) had significantly higher mean total bilirubin concentration compared to females (n = 105) (9...
February 17, 2017: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/28206992/heme-oxygenase-1-promoter-polymorphisms-do-they-modulate-neonatal-hyperbilirubinemia
#17
M Kaplan, R J Wong, D K Stevenson
The role of genetic factors in the modulation of serum bilirubin levels and the pathophysiology of neonatal hyperbilirubinemia is being increasingly recognized. Heme oxygenase-1 (HO-1) is the rate-limiting enzyme by which heme is catabolized to biliverdin and thence to bilirubin, with the simultaneous release of equimolar quantities of ferrous iron (Fe(3+)) and carbon monoxide. Polymorphisms of the HO-1 gene promoter may modulate transcriptional activity, thereby augmenting or attenuating HO-1 expression with resultant modulation of the production of bilirubin...
February 16, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28206723/clinical-study-on-amplitude-integrated-electroencephalogram-in-cerebral-injury-caused-by-severe-neonatal-hyperbilirubinemia
#18
Hongwei Wu, Zhenguang Li, Jinfeng Liu, Gang Liu, Xia Yang
BACKGROUND: This study was designed in order to assess the validity of the use of amplitude-integrated electroencephalogram (aEEG) in cerebral injury caused by severe neonatal hyperbilirubinemia. METHODS: A total of 56 full-term neonates diagnosed with severe neonatal hyperbilirubinemia and admitted to the NICU of our hospital from July 2013 to December 2014 were continuously selected for the study. The total serum bilirubin (TSB) was higher than 342 μmo/l, and was dominated by a higher amount of unconjugated bilirubin...
February 15, 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/28202110/-neurodevelopmental-features-of-preterm-infants-at-the-corrected-age-of-1-year
#19
Mei Zhang, Hong-Yan Qian, Xiao-Ni Kuang, Zhong Yu, Lin Tan, Chan Xia
OBJECTIVE: To investigate the neurodevelopmental level of preterm infants at the corrected age of 1 year and the effect of complications on neurodevelopment. METHODS: The clinical data and follow-up data of hospitalized preterm infants were retrospectively studied. The Bayley Scales of Infant Development was used to assess the neurodevelopmental level. Preterm infants were divided into groups according to gestational age, birth weight, and the presence or absence of complications...
February 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28192492/transcutaneous-bilirubin-nomograms-in-african-neonates
#20
Bolajoko O Olusanya, Cecilia A Mabogunje, Donald O Imosemi, Abieyuwa A Emokpae
BACKGROUND: The use of transcutaneous bilirubin (TcB) as a screening tool, based on relevant population-specific nomogram, or proxy for total serum bilirubin (TSB) levels in assessing the risk of subsequent hyperbilirubinemia is supported by several clinical guidelines on the management of neonatal hyperbilirubinemia. However, while TcB has been found to significantly over-estimate TSB in neonates of African-American ancestry, with variations across TcB devices, no nomogram has been specifically reported for this racial group...
2017: PloS One
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