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Neonatal hepatitis

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https://www.readbyqxmd.com/read/28792854/phytosterols-synergize-with-endotoxin-to-augment-inflammation-in-kupffer-cells-but-alone-have-limited-direct-effect-on-hepatocytes
#1
Gregory Guthrie, Bryan Tackett, Barbara Stoll, Camilia Martin, Oluyinka Olutoye, Douglas G Burrin
INTRODUCTION: Phytosterols are implicated in the development of parenteral nutrition-associated liver disease. A newly proposed mechanism for phytosterol-mediated parenteral nutrition-associated liver disease is through phytosterol-facilitated hepatic proinflammatory cytokine release following exposure to intestinally derived bacteria. Whether the proinflammatory effects are liver cell specific is not known. AIM: To determine if phytosterols cause inflammation in hepatocytes or Kupffer cells independently or require costimulation by lipopolysaccharide (LPS)...
August 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28791666/clinical-pharmacokinetics-and-pharmacodynamics-of-micafungin
#2
REVIEW
Roeland E Wasmann, Eline W Muilwijk, David M Burger, Paul E Verweij, Catherijne A Knibbe, Roger J Brüggemann
Micafungin is a selective inhibitor of the synthesis of fungal 1,3-β-D-glucan, an essential component of the fungal cell wall. It is available as a powder for infusion only and is registered for the treatment of invasive and esophageal candidiasis in addition to prophylaxis of Candida infections in both adults and children. Average exposure after a single intravenous 100 mg dose in healthy adults is 133 mg h/L. Both exposure and maximum plasma concentration show linear dose proportional pharmacokinetics (PK) over a 0...
August 8, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28782473/importance-of-hemolysis-and-its-clinical-detection-in-neonates-with-hyperbilirubinemia
#3
Ronald J Wong, Vinod K Bhutani, David K Stevenson
Neonatal hyperbilirubinemia is generally a benign transitional phenomenon, and may even be a protective antioxidant mechanism for human neonates who may be vulnerable to the oxidative stress (compared to life in utero) encountered during birth an extra-uterine oxidative environment (1, 2). The pathophysiologic impact of neonatal unconjugated hyperbilirubinemia has been well reviewed in this supplement (see Jon fill-in). The severity of hyperbilirubinemia varies due to the magnitude of an imbalance between two major contributing processes: (i) an increase bilirubin production rate due to an increase in heme turnover (two to three times that of an adult) due to the degradation of fetal red blood cells (RBCs), which have a shortened lifespan, after birth (3, 4); and/or (ii) a diminished ability of the immature newborn liver to conjugate bilirubin and therefore excrete bilirubin in bile...
August 7, 2017: Current Pediatric Reviews
https://www.readbyqxmd.com/read/28771246/diagnosis-and-treatment-of-tyrosinemia-type-i-a-us-and-canadian-consensus-group-review-and-recommendations
#4
REVIEW
Jeffrey M Chinsky, Rani Singh, Can Ficicioglu, Clara D M van Karnebeek, Markus Grompe, Grant Mitchell, Susan E Waisbren, Muge Gucsavas-Calikoglu, Melissa P Wasserstein, Katie Coakley, C Ronald Scott
Tyrosinemia type I (hepatorenal tyrosinemia, HT-1) is an autosomal recessive condition resulting in hepatic failure with comorbidities involving the renal and neurologic systems and long term risks for hepatocellular carcinoma. An effective medical treatment with 2-[2-nitro-4-trifluoromethylbenzoyl]-1,3-cyclohexanedione (NTBC) exists but requires early identification of affected children for optimal long-term results. Newborn screening (NBS) utilizing blood succinylacetone as the NBS marker is superior to observing tyrosine levels as a way of identifying neonates with HT-1...
August 3, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28755192/newborn-screening-for-hereditary-tyrosinemia-type-i-in-qu%C3%A3-bec-update
#5
Yves Giguère, Marie-Thérèse Berthier
Hereditary tyrosinemia type I (HTI) is a rare autosomal recessive disorder caused by a fumarylacetoacetate hydrolase (FAH) deficiency. If untreated, its acute form is characterized by hepatic failure, renal dysfunction and neurological crisis, and may lead to death. Due to a genetic founder effect in the French-Canadian population, the prevalence of HTI is increased in the province of Quebec (1/19 819), with the IVS12 + 5G>A (1062 + 5G>A) splice site mutation responsible for more than 90% of mutated alleles...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28755185/the-liver-in-tyrosinemia-type-i-clinical-management-and-course-in-quebec
#6
Ugur Halac, Josée Dubois, Grant A Mitchell
HT1 is a severe autosomal recessive disorder due to the deficiency of fumarylacetoacetate hydrolase (FAH), the final enzyme in the degradation of tyrosine. Before the era of treatment with 2-(2-N-4-trifluoromethylbenzoyl)-1,3-cyclohexanedione (NTBC), even with newborn screening and optimal diet therapy, HT1 patients often developed liver failure. Death was common in patients who did not undergo liver transplantation. For the last two decades, NTBC has revolutionized the management of HT1 patients. In screened newborns treated within the first month of life, we have not observed hepatocarcinoma...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28748016/-hepatic-hematoma-in-neonates-about-a-case
#7
Hanae Harchaoui, Bousayna Iraqi, Houria Knouni, Youness Taboz, Hasnae Benkirane, Hassan Aguenaou, Amina Barkat
Hepatic hematoma is a condition of unrecognized origin which can become extremely serious and whose diagnosis is often made during perinatal autopsy. It is often characterised by nonspecific clinical manifestations and a long delay before biological presentation.The diagnosis is essentially based on ultrasound and treatment is often conservative.We here report a case of a full-term newborn with asymptomatic hepatic haematoma due to obstetrical trauma.
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28741035/biomarkers-of-hepatic-injury-and-function-in-neonatal-hypoxic-ischemic-encephalopathy-and-with-therapeutic-hypothermia
#8
Hemananda Muniraman, Danielle Gardner, Jane Skinner, Anna Paweletz, Anitha Vayalakkad, Ying Hui Chee, Clare Clifford, Sunil Sanka, Vidheya Venkatesh, Anna Curley, Suresh Victor, Mark A Turner, Paul Clarke
Therapeutic hypothermia (TH) is now provided as standard care to infants with moderate-severe hypoxic ischemic encephalopathy (HIE). The role of TH in limiting neuronal injury is well recognized, but its effect on hepatic injury which occurs frequently in neonatal HIE is not known. Our objective was to characterize biomarkers of liver injury and function in the setting of neonatal HIE and to describe whether HIE severity and provision of TH influence these hepatic biomarkers. We performed a multicenter retrospective study and compared hepatic biomarkers obtained during the first postnatal week, according to the severity of HIE and whether treated with TH...
July 24, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28738472/-effect-of-interleukin-6-and-interleukin-12-on-immune-response-to-hepatitis-b-vaccination-in-infants-of-hbsag-positive-mothers
#9
X F Wang, X H Shi, X X Xu, Z Q Yang, H Y Hao, F Zhang, B Wang, H X Wen, Z D Fu, T Wang, S Y Feng, B Wang, S P Wang
Objective: To explore the effect of interleukin-6 (IL-6) and Interleukin-12 (IL-12) on immune response to hepatitis B vaccination in infants of HBsAg-positive mothers. Methods: A total of 91 neonates whose mothers were HBsAg-positive were included and followed up for 12 months. HBV DNA and HBV serological markers in the peripheral blood of the neonates and infants were detected with fluorescence quantitative polymerase chain reaction (FQ-PCR) and chemiluminescence immunoassay (CLIA), and the levels of IL-6 and IL-12 in the peripheral blood of the neonates and infants were detected with enzyme-linked immunosorbent assay (ELISA)...
July 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28738465/-influencing-factors-for-non-low-response-to-hepatitis-b-vaccine-in-infants-of-hbsag-positive-mothers
#10
B Wang, X X Xu, H X Wen, H Y Hao, Z Q Yang, X H Shi, Z D Fu, X F Wang, F Zhang, B Wang, S P Wang
Objective: To investigate the influencing factors for non/low-response to hepatitis B vaccine in infants of HBsAg-positive mothers. Methods: A total of 286 HBsAg-positive pregnant women and their infants were recruited from the Third People's Hospital of Taiyuan during July 2011 to January 2013. The infants were immunized with hepatitis B vaccine according to the 0-1-6 month vaccination schedule and followed up for 12 months. The serum HBV DNA level of mothers, neonates and infants were detected by electro chemilum inescence immunoassay kits and fluorescene quantiative polymerase chain rection...
July 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28738454/-development-of-markov-models-for-economics-evaluation-of-strategies-on-hepatitis-b-vaccination-and-population-based-antiviral-treatment-in-china
#11
P C Yang, S X Zhang, P P Sun, Y L Cai, Y Lin, Y H Zou
Objective: To construct the Markov models to reflect the reality of prevention and treatment interventions against hepatitis B virus (HBV) infection, simulate the natural history of HBV infection in different age groups and provide evidence for the economics evaluations of hepatitis B vaccination and population-based antiviral treatment in China. Methods: According to the theory and techniques of Markov chain, the Markov models of Chinese HBV epidemic were developed based on the national data and related literature both at home and abroad, including the settings of Markov model states, allowable transitions and initial and transition probabilities...
July 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28737145/congenital-hepatic-fibrosis-with-polycystic-kidney-disease-an-unusual-cause-of-neonatal-cholestasis
#12
Vani Bharani, G Vybhav Venkatesh, Uma Nahar Saikia, B R Thapa
Congenital hepatic fibrosis is characterized by hepatic fibrosis, portal hypertension, and renal cystic disease. Typical presentation of congenital hepatic fibrosis is in the form of portal hypertension, in adolescents and young adults. We present an unusual case of neonatal cholestasis with rapid deterioration within first 4 months of life, who was diagnosed to have congenital hepatic fibrosis with polycystic kidney disease on autopsy.
July 15, 2017: Indian Pediatrics
https://www.readbyqxmd.com/read/28736976/living-donor-liver-transplantation-for-neonatal-fulminant-hepatitis-due-to-herpes-simplex-virus-infection
#13
Rodrigo Vincenzi, Eduardo A Fonseca, Karina M O Roda, Gilda Porta, Helry L Candido, Marcel R Benavides, Katia R M Leite, Rogerio C Afonso, Plinio Turine-Neto, Cristiane M F Ribeiro, Paulo Chapchap, João Seda-Neto
Although rare, ALF caused by disseminated HSV infection is associated with high mortality in the neonatal population. This condition is often diagnosed relatively late due to the absence of specific signs. We present a case involving a neonate with ALF submitted to living donor liver transplantation without a prior diagnosis. The patient had no skin or mucosal lesions, and IgM serology was negative for HSV-1 and HSV-2. Immunohistochemical staining of the liver explant was positive for herpes virus infection, and the patient subsequently received antiviral drug treatment, with a good outcome...
July 23, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28730136/early-diagnosis-of-abcb11-spectrum-liver-disorders-by-next-generation-sequencing
#14
Su Jeong Lee, Jung Eun Kim, Byung-Ho Choe, An Na Seo, Han-Ik Bae, Su-Kyeong Hwang
PURPOSE: The goal of this study was the early diagnosis of ABCB11 spectrum liver disorders, especially those focused on benign recurrent intrahepatic cholestasis and progressive familial intrahepatic cholestasis. METHODS: Fifty patients presenting neonatal cholestasis were evaluated to identify underlying etiologies. Genetic analysis was performed on patients suspected to have syndromic diseases or ABCB11 spectrum liver disorders. Two families with proven ABCB11 spectrum liver disorders were subjected to genetic analyses to confirm the diagnosis and were provided genetic counseling...
June 2017: Pediatric Gastroenterology, Hepatology & Nutrition
https://www.readbyqxmd.com/read/28729967/tesevatinib-ameliorates-progression-of-polycystic-kidney-disease-in-rodent-models-of-autosomal-recessive-polycystic-kidney-disease
#15
William E Sweeney, Philip Frost, Ellis D Avner
AIM: To investigate the therapeutic potential of tesevatinib (TSV), a unique multi-kinase inhibitor currently in Phase II clinical trials for autosomal dominant polycystic kidney disease (ADPKD), in well-defined rodent models of autosomal recessive polycystic kidney disease (ARPKD). METHODS: We administered TSV in daily doses of 7.5 and 15 mg/kg per day by I.P. to the well characterized bpk model of polycystic kidney disease starting at postnatal day (PN) 4 through PN21 to assess efficacy and toxicity in neonatal mice during postnatal development and still undergoing renal maturation...
July 6, 2017: World Journal of Nephrology
https://www.readbyqxmd.com/read/28726079/bilirubin-enzyme-biosensor-potentiality-and-recent-advances-towards-clinical-bioanalysis
#16
REVIEW
Vinita Hooda, Anjum Gahlaut, Ashish Gothwal, Vikas Hooda
Bilirubin detection plays a major role in healthcare. Its high concentration in human serum is lethal and must be determined accurately. Clinically, it is vital for assessing patients with deleterious health conditions such as jaundice or icterus, hepatitis, mental disorders, cerebral palsy and brain damage especially in the case of neonates. In evaluating the drawbacks regarding the conventional methodology of bilirubin detection, there is need for a superior analytical tool. Bilirubin oxidase (BOx)-based sensors have been designed for the ultrasensitive analysis of bilirubin and quality deliverance of treatment and this review highlights the different mechanisms of bilirubin detection using different modified electrodes...
July 19, 2017: Biotechnology Letters
https://www.readbyqxmd.com/read/28708286/baseline-diameters-of-inferior-vena-cava-and-abdominal-aorta-measured-by-ultrasonography-in-healthy-term-neonates-during-early-neonatal-adaptation-period
#17
Anna Jarosz-Lesz, Katarzyna Michalik, Iwona Maruniak-Chudek
OBJECTIVES: To evaluate normative sonographic measurements of the inferior vena cava (IVC), aorta (Ao), and IVC/Ao ratio in the first 2 days of life in term neonates. METHODS: We prospectively observed 200 term (more than 36 and 6/7 weeks of gestation), single, healthy neonates born in a city hospital. The exclusion criteria were congenital abnormalities, an Apgar score of less than 8, and hyperbilirubinemia requiring phototherapy. Maximum IVC (distal to the hepatic-IVC junction) and Ao (above the superior mesenteric artery) diameters were measured in the first 2 days of life in the longitudinal plane...
July 14, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28708105/resveratrol-improves-glycemic-control-in-type-2-diabetic-obese-mice-by-regulating-glucose-transporter-expression-in-skeletal-muscle-and-liver
#18
Caio Y Yonamine, Erika Pinheiro-Machado, Maria L Michalani, Ana B Alves-Wagner, João V Esteves, Helayne S Freitas, Ubiratan F Machado
Insulin resistance participates in the glycaemic control disruption in type 2 diabetes mellitus (T2DM), by reducing muscle glucose influx and increasing liver glucose efflux. GLUT4 (Slc2a4 gene) and GLUT2 (Slc2a2 gene) proteins play a fundamental role in the muscle and liver glucose fluxes, respectively. Resveratrol is a polyphenol suggested to have an insulin sensitizer effect; however, this effect, and related mechanisms, have not been clearly demonstrated in T2DM. We hypothesized that resveratrol can improve glycaemic control by restoring GLUT4 and GLUT2 expression in muscle and liver...
July 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28703296/correlation-between-tlr2-tlr3-tlr4-and-tlr9-polymorphisms-and-susceptibility-to-and-prognosis-of-severe-hepatitis-among-the-newborns
#19
Xiao Qiu, Yubin Dong, Yaqin Cao, Yingmei Luo
BACKGROUND: This study was aimed to explore how toll-like receptor 2 (TLR2), TLR3, TLR4 and TLR9 influenced the risk and prognosis of severe hepatitis among the Chinese newborns. METHODS: Altogether 135 newborns diagnosed with severe hepatitis and 140 healthy newborns were included in this study. Totally 12 single nucleotide polymorphisms (SNPs) within TLR2, TLR3, TLR4, and TLR9 were chosen and genotyped by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP)...
July 13, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28690615/impact-of-early-life-exposures-to-infections-antibiotics-and-vaccines-on-perinatal-and-long-term-health-and-disease
#20
REVIEW
Steven L Raymond, Jaimar C Rincon, James L Wynn, Lyle L Moldawer, Shawn D Larson
Essentially, all neonates are exposed to infections, antibiotics, or vaccines early in their lives. This is especially true for those neonates born underweight or premature. In contrast to septic adults and children who are at an increased risk for subsequent infections, exposure to infection during the neonatal period is not associated with an increased risk of subsequent infection and may be paradoxically associated with reductions in late-onset sepsis (LOS) in the most premature infants. Perinatal inflammation is also associated with a decreased incidence of asthma and atopy later in life...
2017: Frontiers in Immunology
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