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Permanent URI for this collectionhttps://hdl.handle.net/11443/932

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Author: search.filters.author.Korkmaz, AyseHas files: Yes

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    Early Postnatal Metabolic Profile in Neonates With Different Birth Weight Status: A Pilot Study
    (FRONTIERS MEDIA SA, 2021-01-01) Beken, Serdar; Abali, Saygin; Yildirim Saral, Neslihan; Guner, Bengisu; Dinc, Taha; Albayrak, Eda; Ersoy, Melike; Kilercik, Meltem; Halici, Muge; Bulbul, Ezgi; Kaya, Didem; Karabay, Melis; Ay, Zeynep Alize; Eksi, Gulten Zeynep; Benli Aksungar, Fehime; Korkmaz, Ayse; Serteser, Mustafa
    Introduction: Restricted or enhanced intrauterine growth is associated with elevated risks of early and late metabolic problems in humans. Metabolomics based on amino acid and carnitine/acylcarnitine profile may have a role in fetal and early postnatal energy metabolism. In this study, the relationship between intrauterine growth status and early metabolomics profile was evaluated. Materials and Methods: A single-center retrospective cohort study was conducted. Three hundred and sixty-one newborn infants were enrolled into the study, and they were grouped according to their birth weight percentile as small for gestational age (SGA, n = 69), appropriate for gestational age (AGA, n = 168), and large for gestational age (LGA, n = 124) infants. In all infants, amino acid and carnitine/acylcarnitine profiles with liquid chromatography-tandem mass spectrometry (LC-MS/MS) were recorded and compared between groups. Results: LGA infants had higher levels of glutamic acid and lower levels of ornithine, alanine, and glycine (p < 0.05) when compared with AGA infants. SGA infants had higher levels of alanine and glycine levels when compared with AGA and LGA infants. Total carnitine, C0, C2, C4, C5, C10:1, C18:1, C18:2, C14-OH, and C18:2-OH levels were significantly higher and C3 and C6-DC levels were lower in SGA infants (p < 0.05). LGA infants had higher C3 and C5:1 levels and lower C18:2 and C16:1-OH levels (p < 0.05). There were positive correlations between free carnitine and phenylalanine, arginine, methionine, alanine, and glycine levels (p < 0.05). Also, a positive correlation between ponderal index and C3, C5-DC, C14, and C14:1 and a negative correlation between ponderal index and ornithine, alanine, glycine, C16:1-OH, and C18:2 were shown. Conclusion: We demonstrated differences in metabolomics possibly reflecting the energy metabolism in newborn infants with intrauterine growth problems in the early postnatal period. These differences might be the footprints of metabolic disturbances in future adulthood.
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    Long-term follow-up of patients after acute kidney injury in the neonatal period: abnormal ambulatory blood pressure findings
    (BMC, 2022-01-01) Akkoc, Gulsen; Duzova, Ali; Korkmaz, Ayse; Oguz, Berna; Yigit, Sule; Yurdakok, Murat
    Background Data on the long-term effects of neonatal acute kidney injury (AKI) are limited. Methods We invited 302 children who had neonatal AKI and survived to hospital discharge
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    Extremity Necrosis Due to Intrauterine Arterial Ischemia
    (GALENOS YAYINCILIK, 2021-01-01) Beken, Serdar; Sariyilmaz, Kerim; Albayrak, Eda; Akcay, Arzu; Korkmaz, Ayse
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    Neonatal Problems and Infancy Growth of Term SGA Infants: Does ``SGA'' Definition Need to Be Re-evaluated?
    (FRONTIERS MEDIA SA, 2021-01-01) Abali, Saygin; Beken, Serdar; Albayrak, Eda; Inamlik, Aysegul; Bulum, Burcu; Bulbul, Ezgi; Eksi, Gulten Zeynep; Ay, Zeynep Alize; Karabay, Melis; Kaya, Didem; Halici, Muge; Semiz, Serap; Korkmaz, Ayse
    Introduction: The exact definition of small-for-gestational-age (SGA) infant is still controversial among clinicians. In this study, we aimed to understand which definition is better in terms of establishing both early postnatal problems and growth. In this way, we compared early neonatal problems and infancy growth of term infants with birth weight (BW) < -2 SDS and with BW between 10th percentile (-1.28 SDS) and -2 SDS.Methods: A single center retrospective cohort study was conducted. Preterm infants, multiple gestations and newborns with any congenital anomalies were excluded from the study. Study group was defined as Group 1 (n = 37), infants BW < -2.00 SDS