ФАКТОРЫ РИСКА, АССОЦИИРОВАННЫЕ С РОЖДЕНИЕМ ДЕТЕЙ С МАССОЙ ТЕЛА МЕНЕЕ 2500 Г: РЕЗУЛЬТАТЫ РЕТРОСПЕКТИВНОГО КОГОРТНОГО МНОГОЦЕНТРОВОГО ИССЛЕДОВАНИЯ

Background. Improving nursing methods of newborns with birth weight less than 2500 g resulted in an increase in the proportion of children at risk for the development of severe disabling conditions. Objective: Our aim was to investigate the risk factors of the mother, associated with the birth of a child with a birth weight less than 2500 g. Methods. In a retrospective cohort study included 572 children born to 566 mothers in 5 perinatal centers. Risk assessment was carried out taking into account birth weight (in groups of children with normal, low, very low and extremely low birth weight). Results. Sample of mothers (n = 489), whose children had birth weight     2500 g, characterized by a mean age of 31 (26; 35) years, the growth of 164 (159; 168) cm, weighing when registering for pregnancy 62 (53; 74) and 70 kg (60; 80) kg just before birth. Among the independent predictors of birth weight infants were allocated as follows: maternal education (higher/more), mother occupation (housewife/other), presence of chronic diseases, anemia during pregnancy, the threat of premature births, growth and weight of the mother’s body before birth, weight gain body during pregnancy, body mass index (BMI) when registering for antenatal care in pregnancy and before delivery. Conclusion. Identified risk factors for maternal birth weight infants, which can be used to stratify pregnant women at risk.Совершенствование  методов  выхаживания  новорожденных  с массой тела  при рождении  менее 2500  г привело к увеличению доли  детей группы риска по развитию тяжелых  инвалидизирующих  состояний.Цель  исследования: изучить факторы  риска со стороны матери, ассоциированные  с рождением  ребенка массой тела  менее 2500  г.Методы.  В ретроспективное  когортное  исследование  включены  данные 572  детей,  рожденных  от  566  матерей в 5 перинатальных центрах. Оценку факторов риска проводили  с учетом массы тела при рождении  (в группах детей с нормальной, низкой, очень низкой и экстремально низкой массой тела).Результаты. Выборка матерей (n = 489), чьи дети имели при рождении  массу тела      2500 г, характеризовалась средним возрастом 31 (26; 35) год, ростом 164 (159; 168) см, массой тела 62 (53; 74) кг при постановке на учет по беременности и 70 (60; 80) кг непосредственно перед родами. В числе независимых предикторов рождения маловесных детей были выделены следующие: образование  матери (высшее/другое), занятость  матери (домохозяйка/другое),  наличие хронических заболеваний, анемии во время беременности, угроза преждевременных родов, рост и масса тела матери до родов, прибавка массы тела во время беременности, индексы массы тела при постановке на учет по беременности в женскую консультацию и перед родами.Заключение. Определены факторы риска рождения маловесных детей со стороны матери, что может быть использовано для стратификации беременных женщин по группам риска

DYNAMICS OF HEMOGRAM INDEXES AMONG CHILDREN BORN WITH EXTREMELY LOW BODY WEIGHT

The work purpose is to study blood indicators in dynamics among children with extremely low body weight in the Republic of Mordovia. 90 cards of outpatient observation (form 112/u) within one year of every child’s life were analyzed: 30 children born with extremely low body weight, 30 – with very low body weight, 30 – the full-term, healthy newborns. We studied anamnesis of the children, the analysis of blood indicators and influence of various factors. Hematologic parameters in each group were analyzed, correlation analysis of erythroid lineage indicators and anthropometric data of children were carried out.The levels of hemoglobin, erythrocytes, leucocytes and neutrophils at birth in small premature infants were lower than indicators of control group; stabilization of hemoglobin level took place only to six months of life, accompanied by simultaneous rising of erythrocytes level and the marked thrombocytosis, the reduced level of neutrophils persisted during the whole first year of life. Also average degree of correlation between indicators of body weight and hemoglobin level, and strong correlation dependence between a gain of body weight and indicators of erythrocytes in group of children with extremely low body/birth weight were detected

RISK FACTORS ASSOCIATED WITH THE BIRTH OF CHILDREN WITH A BODY WEIGHT LESS THAN 2500 G: RESULTS OF A RETROSPECTIVE COHORT MULTICENTER STUDY

Background. Improving nursing methods of newborns with birth weight less than 2500 g resulted in an increase in the proportion of children at risk for the development of severe disabling conditions. Objective: Our aim was to investigate the risk factors of the mother, associated with the birth of a child with a birth weight less than 2500 g. Methods. In a retrospective cohort study included 572 children born to 566 mothers in 5 perinatal centers. Risk assessment was carried out taking into account birth weight (in groups of children with normal, low, very low and extremely low birth weight). Results. Sample of mothers (n = 489), whose children had birth weight     2500 g, characterized by a mean age of 31 (26; 35) years, the growth of 164 (159; 168) cm, weighing when registering for pregnancy 62 (53; 74) and 70 kg (60; 80) kg just before birth. Among the independent predictors of birth weight infants were allocated as follows: maternal education (higher/more), mother occupation (housewife/other), presence of chronic diseases, anemia during pregnancy, the threat of premature births, growth and weight of the mother’s body before birth, weight gain body during pregnancy, body mass index (BMI) when registering for antenatal care in pregnancy and before delivery. Conclusion. Identified risk factors for maternal birth weight infants, which can be used to stratify pregnant women at risk