
Background. To estimate the level of fetal hypoxia during labor and differentiation from other pathology, used the indicators detection of acid-base condition of the umbilical cord blood. Methods. A total 67 newborns of 65 women who were delivered with planned caesarean section: 42 of them are healthy full-term, 17 premature newborns and 8 premature newborns with hypoxic state. Results. Clinically significant for the diagnosis of acidosis in fetus chronic hypoxia in umbilical arterial blood pH were 7.2, lack of buffer bases (standard 4.5 mmol/l, true -7 mmol/l) and the level of standard bicarbonate 17 mmol /l. Critical figures of glucose and lactate concentrations were 2.9 mmol/l, 4 mmol/ l and concentration of glucose to lactate were 1.17. Conclusions. The clinical severity of newborns at the acid-base condition of blood umbilical artery parameters definitive for mild metabolic acidosis, can be explained with low concentration of glucose and the absence of substrate for the formation of organic acids.
Обследованы 67 новорожденных от 65 женщин, которые были родоразрешены плановой операцией кесарева сечения. Клинически значимыми для диагностики ацидоза при хронической гипоксии плода в крови артерии пуповины оказались рН 7,2, дефицит буферных оснований (стандартный --4,5 ммоль/л, истинный -7 ммоль/л) и уровень стандартного гидрокарбоната 17 ммоль/л. Критическими значениями концентраций глюкозы и лактата и отношения концентрации лактата к глюкозе здесь явились 2,9 ммоль/л, 4 ммоль/л и 1,17, соответственно. Тяжесть состояния новорожденных при параметрах крови артерии пуповины, характерных для легкой степени метаболического ацидоза, может быть объяснена низкой концентрацией глюкозы в крови и отсутствием субстрата для образования органических кислот.
ОПЕРАЦИЯ КЕСАРЕВА СЕЧЕНИЯ,CESAREAN SECTION,НОВОРОЖДЕННЫЕ,NEWBORNS,НЕДОНОШЕННОСТЬ,PREMATURITY,МЕТАБОЛИЧЕСКИЙ АЦИДОЗ,METABOLIC ACIDOSIS
ОПЕРАЦИЯ КЕСАРЕВА СЕЧЕНИЯ,CESAREAN SECTION,НОВОРОЖДЕННЫЕ,NEWBORNS,НЕДОНОШЕННОСТЬ,PREMATURITY,МЕТАБОЛИЧЕСКИЙ АЦИДОЗ,METABOLIC ACIDOSIS
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