Клинико-биохимическая характеристика недоношенных новорожденных с экстремально низкой и очень низкой массой тела при рождении

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Introduction. Respiratory distress syndrome (RDS) is characterized by immaturity of lung tissue, surfactant deficiency and is a common cause of mortality in premature infants. X-ray is the main method for determining the causes and severity of respiratory failure in newborns.Purpose. Systematization of the results of X-ray examination of the lungs of newborns with varying degrees of prematurity, compared with autopsy data.Materials and methods. The analysis of X-ray data and sectional material of 32 premature infants with low and extremely low body weight who died with clinical manifestations of RDS was performed.Research results. The article provides a comparative analysis of various types of radiological changes in the lungs (reticulo-nodular pulmonary pattern (n=10), cellular deformity of the pulmonary pattern (n=5), «air bronchogram» (n=20), «air leakage» syndrome (n=6), focal-confluent shadows/infiltrative-like foci of darkening (n=9)) and autopsy results of premature newborns.Conclusion. The greatest number of coincidences of radiological and histological data took place in BPD (80%), the smallest — in pulmonary hemorrhages (20%). The coincidence of conclusions for pneumonia and GM disease is 58–56%, respectively. Difficulty in the differential diagnosis of the X-ray picture of the lungs in low birth-weight infants lies in the frequent combination of pathological conditions. Respiratory failure with a wide range of pathological changes in the lungs developed in 15 (53,6%) newborns in the absence of criteria for surfactant insufficiency against the background of respiratory support.