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Iranian Journal of Pediatrics
Tehran University of Medical Sciences Press
ISSN: 1018-4406
EISSN: 2008-2150
Vol. 26, No. 2, 2016, pp. 1-3
Bioline Code: pe16014
Full paper language: English
Document type: Research Article
Document available free of charge

Iranian Journal of Pediatrics, Vol. 26, No. 2, 2016, pp. 1-3

 en Plasma D-lactate Levels in Necrotizing Enterocolitis in Premature Infants
Lei, Guofeng; Zhang, Junping; Wang, Xiaobing & Chen, Meiling


D-Lactate is normally present in the blood of humans at nanomolar concentrations due to methylglyoxal metabolism; millimolar D-lactate concentrations can arise due to excess gastrointestinal microbial production.
To examine the levels of plasma D-lactate in the necrotizing enterocolitis in premature infants.
Patients and Methods:
128 premature infants were divided into control (group I, n = 69), feeding intolerance (group II, n = 42) and NEC (group III, n = 27) groups. Plasma D-lactate levels were measured at the onset of feeding intolerance or NEC and at weeks 2-3 in control infants (group I) by ELISA. Data were analyzed using descriptive statistics, non-parametric tests and Student’s t-test.
In groups I, II, III, median birth weights were 1845.7 ± 267.5 g, 1913.1 ± 306.5 g, and 1898.4 ± 285.3 g, median gestational ages were 34.3 ± 1.7 weeks, 33.9 ± 2.2 weeks and 35.1 ± 2.6 weeks, ages of sampling were 12.3 ± 2.9 days, 14.6 ± 3.7 days and 15.1 ± 1.8 days, respectively. The differences of median birth weights, median gestational ages and ages of sampling were not statistically significant (P > 0.05). The plasma D-lactate levels in groups I, II, III were 3.6 ± 1.9 μg/mL, 12.7 ± 8.3 μg/mL, and 35.4 ± 29.1 μg/mL, respectively, group III had higher plasma D-lactate level than groups I, II, and the difference among these groups was significant (x2 = 21.6, P < 0.01).
Plasma D-lactate significantly increased early in NEC. Plasma D-lactate levels were associated with extensive disease in NEC infants. Therefore, it could be used as a diagnosis indicator in the early stage of NEC.

Premature, Newborn, Plasma D-Lactate, Necrotizing Enterocolitis

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