Vein of Galen malformation(VOGM) is a rare congenital vascular malformation caused by the maldevelopment of its embryonic precursor,the median prosencephalic vein of Markowski.VOGM results in neonatal morbidity and mo...Vein of Galen malformation(VOGM) is a rare congenital vascular malformation caused by the maldevelopment of its embryonic precursor,the median prosencephalic vein of Markowski.VOGM results in neonatal morbidity and mortality,and premature delivery does not improve the outcome.We report a term female neonate in whom a vein of Galen malformation was diagnosed prenatally at 37 wk of gestation during a growth ultrasound and confirmed by fetal magnetic resonance imaging.Signs of cardiac decompensation were evident in the fetus.Multiple interventional radiology embolizations of the feeding vessels were performed successfully on days 7,10,12,14 and 19.A review of the literature on the endovascular management of neonates with these malformations is presented herein.展开更多
Parenteral nutrition-associated liver disease(PNALD)is a liver dysfunction caused by various risk factors presented in patients receiving total parenteral nutrition(TPN).Omega-6 rich Intralipid?and omega-3 rich Omegav...Parenteral nutrition-associated liver disease(PNALD)is a liver dysfunction caused by various risk factors presented in patients receiving total parenteral nutrition(TPN).Omega-6 rich Intralipid?and omega-3 rich Omegaven?are two intravenous lipid emulsions used in TPN.TPN could affect the hepatic expression of genes in anti-oxidative stress,but it’s unknown whether TPN affects genes in drug metabolism.In this study,either Intralipid?-or Omegaven?-based TPN was administered to mice and the expression of a cohort of genes involved in anti-oxidative stress or drug metabolism was analyzed,glutathione(GSH)levels were measured,and protein levels for two key drug metabolism geneswere determined.Overall,the expression of most genes was downregulated by Intralipid?-based TPN(Gstpl,Gstml,3,6,Nqol,Ho-1,Mt-1,Gclc,Gclm,Cyp2d9,2f2,2b 10,and 3a11).Omegaven?showed similar results as Intralipid?except for preserving the expression of Gstml and Cyp3a11,and increasing Ho-1.Total GSH levels were decreased by Intralipid?,but increased by Omegaven?.CYP3A11 protein levels were increased by Omegaven?.In conclusion,TPN reduced the expression of many genes involved in anti-oxidative stress and drug metabolism in mice.However,Omegaven?preserved expression of Cyp3a11,suggesting another beneficial effect of Omegaven?in protecting liver functions.展开更多
文摘Vein of Galen malformation(VOGM) is a rare congenital vascular malformation caused by the maldevelopment of its embryonic precursor,the median prosencephalic vein of Markowski.VOGM results in neonatal morbidity and mortality,and premature delivery does not improve the outcome.We report a term female neonate in whom a vein of Galen malformation was diagnosed prenatally at 37 wk of gestation during a growth ultrasound and confirmed by fetal magnetic resonance imaging.Signs of cardiac decompensation were evident in the fetus.Multiple interventional radiology embolizations of the feeding vessels were performed successfully on days 7,10,12,14 and 19.A review of the literature on the endovascular management of neonates with these malformations is presented herein.
基金supported by grants from the National Institutes of Health(R01GM104037,R21ES029258,T32ES007148,and P3-ES005022,USA)Department of Veterans Affairs(BX002741,USA).
文摘Parenteral nutrition-associated liver disease(PNALD)is a liver dysfunction caused by various risk factors presented in patients receiving total parenteral nutrition(TPN).Omega-6 rich Intralipid?and omega-3 rich Omegaven?are two intravenous lipid emulsions used in TPN.TPN could affect the hepatic expression of genes in anti-oxidative stress,but it’s unknown whether TPN affects genes in drug metabolism.In this study,either Intralipid?-or Omegaven?-based TPN was administered to mice and the expression of a cohort of genes involved in anti-oxidative stress or drug metabolism was analyzed,glutathione(GSH)levels were measured,and protein levels for two key drug metabolism geneswere determined.Overall,the expression of most genes was downregulated by Intralipid?-based TPN(Gstpl,Gstml,3,6,Nqol,Ho-1,Mt-1,Gclc,Gclm,Cyp2d9,2f2,2b 10,and 3a11).Omegaven?showed similar results as Intralipid?except for preserving the expression of Gstml and Cyp3a11,and increasing Ho-1.Total GSH levels were decreased by Intralipid?,but increased by Omegaven?.CYP3A11 protein levels were increased by Omegaven?.In conclusion,TPN reduced the expression of many genes involved in anti-oxidative stress and drug metabolism in mice.However,Omegaven?preserved expression of Cyp3a11,suggesting another beneficial effect of Omegaven?in protecting liver functions.
