Hyperphenylalaninemia in a premature infant with heterozygosity for phenylketonuria
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| 024 | 7 | 0 | |a 10.1515/JPM.2004.073 |2 doi |
| 035 | |a (NATIONALLICENCE)gruyter-10.1515/JPM.2004.073 | ||
| 245 | 0 | 0 | |a Hyperphenylalaninemia in a premature infant with heterozygosity for phenylketonuria |h [Elektronische Daten] |c [J.B. Hennermann, A. Loui, A. Weber, E. Mönch] |
| 520 | 3 | |a Hyperphenylalaninemia in preterm neonates with heterozygosity for phenylketonuria has previously not been described. We report on a very low birth weight infant, born at a gestational age of 27+5 weeks with a birth weight of 1080 g. Due to a positive family history prenatal diagnosis for phenylketonuria was performed, revealing heterozygosity for classic phenylketonuria. Yet the girl showed hyperphenylalaninemia with a maximum serum phenylalanine concentration of 515 μmol/l on the eighth day of life. Phenylalanine-restrictive parenteral and enteral nutrition was kept from the eighth until the 41st day of life. At term serum phenylalanine concentrations had normalized. We hypothesize that heterozygosity for phenylketonuria may be a risk factor for hyperphenylalaninemia in preterm born infants. Prematurity and the resulting immaturity of liver function with the genetically determined reduced activity of phenylalanine hydroxylase might have caused hyperphenylalaninemia in this girl. | |
| 540 | |a Copyright © 2004 by Walter de Gruyter GmbH & Co. KG | ||
| 690 | 7 | |a Human reproduction, growth & development |2 nationallicence | |
| 690 | 7 | |a Gynaecology & obstetrics |2 nationallicence | |
| 690 | 7 | |a Paediatric medicine |2 nationallicence | |
| 700 | 1 | |a Hennermann |D J.B. |4 aut | |
| 700 | 1 | |a Loui |D A. |4 aut | |
| 700 | 1 | |a Weber |D A. |4 aut | |
| 700 | 1 | |a Mönch |D E. |4 aut | |
| 773 | 0 | |t Journal of Perinatal Medicine |d Walter de Gruyter |g 32/4(2004-07-09), 383-385 |x 0300-5577 |q 32:4<383 |1 2004 |2 32 |o jpme | |
| 856 | 4 | 0 | |u https://doi.org/10.1515/JPM.2004.073 |q text/html |z Onlinezugriff via DOI |
| 908 | |D 1 |a research article |2 jats | ||
| 950 | |B NATIONALLICENCE |P 856 |E 40 |u https://doi.org/10.1515/JPM.2004.073 |q text/html |z Onlinezugriff via DOI | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Hennermann |D J.B. |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Loui |D A. |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Weber |D A. |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Mönch |D E. |4 aut | ||
| 950 | |B NATIONALLICENCE |P 773 |E 0- |t Journal of Perinatal Medicine |d Walter de Gruyter |g 32/4(2004-07-09), 383-385 |x 0300-5577 |q 32:4<383 |1 2004 |2 32 |o jpme | ||
| 900 | 7 | |b CC0 |u http://creativecommons.org/publicdomain/zero/1.0 |2 nationallicence | |
| 898 | |a BK010053 |b XK010053 |c XK010000 | ||
| 949 | |B NATIONALLICENCE |F NATIONALLICENCE |b NL-gruyter | ||