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Assessment of lacta...
Assessment of lactate production as a response to sustained intrapartum hypoxia in large-for-gestational-age newborns.
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- Zaigham, Mehreen (author)
- Lund University,Lunds universitet,Obstetrisk, gynekologisk och prenatal ultraljudsdiagnostik,Forskargrupper vid Lunds universitet,Obstetric, Gynaecological and Prenatal Ultrasound Research,Lund University Research Groups,Skåne University Hospital
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- Källén, Karin (author)
- Lund University,Lunds universitet,Miljöepidemiologi,Forskargrupper vid Lunds universitet,Tornbladinstitutet,Environmental Epidemiology,Lund University Research Groups,Tornblad Institute
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- Olofsson, Per (author)
- Lund University,Lunds universitet,Urogynekologi och reproduktionsfarmakologi,Forskargrupper vid Lunds universitet,Urogynaecology and Reproductive Pharmacology,Lund University Research Groups,Skåne University Hospital
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(creator_code:org_t)
- 2018-06-22
- 2018
- English.
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In: Acta Obstetricia et Gynecologica Scandinavica. - : Wiley. - 1600-0412 .- 0001-6349. ; , s. 1267-1273
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Abstract
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- Introduction Lactate concentration in umbilical cord blood is an important measure of intrapartum anaerobic metabolism. The aim of the study was to compare lactate production of large‐for‐gestational‐age (LGA) fetuses against appropriate‐for‐gestational‐age (AGA) fetuses during hypoxia, in diabetic and non‐diabetic mothers. Material and methods A total of 17 358 validated paired arterial and venous umbilical cord blood samples taken at birth with a full panel of pH, glucose, and lactate were analyzed relative to LGA (n = 2789) and AGA (n = 14 569). Umbilical cord blood acidemia (pH < mean minus 2 SD) was identified in 518 cases. Results Diabetes, but not acidemia, was more common among LGA (5.4%) than AGA cases (2.9%) (respectively P < .0001 and P < .69). At normal pH, glucose was lower in non‐diabetes LGA cases, but not in diabetes LGA compared with corresponding AGA cases (respectively P < .0001 and P < .067). Glucose levels were higher in all groups during acidemia (P ≤ .0005), with lower values in non‐diabetes LGA but not in diabetes LGA compared with corresponding AGA cases (respectively P = .005 and P < .58). At normal pH, lactate was lower in non‐diabetes LGA but not in diabetes LGA compared with corresponding AGA cases (respectively P < .0001 and P < .98); during acidemia, lactate levels were higher in all groups (P < .0001), resulting in no significant difference between LGA and AGA in diabetes as well as in non‐diabetes cases (respectively P = .29 and P < .084). Conclusions Considering cord acidemia a proxy for intrapartum hypoxia, LGA fetuses showed no impaired ability to produce lactate during hypoxia. Maternal diabetes did not hamper the ability of LGA fetuses to produce lactate during hypoxia.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Reproduktionsmedicin och gynekologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Obstetrics, Gynaecology and Reproductive Medicine (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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