Abstract

Today the influence of the digestive tract functional violations followed by microaspiration of gastric contents (MAGC) on the incidence, features and outcomes of bronchopulmonary dysplasia BPD) remains little studied. Focusing on this aspect makes the research actual. determination of the nature of influence of MAGC on the progress and course of BPD. 373 newborns exposed to artificial pulmonary ventilation (APV) in the neonatal period were examined. In a tracheobronchial aspirate (TBA) the marker of MAGC-pepsin--was determined. Its activity was measured by extinction value with subsequent analysis of the incidence and nature of the course of bronchopulmonary dysplasia (BPD) in patients against MAGC and without it. During the three years follow-up period outcomes of BPD and features of combined pathology were established. it was revealed that in children suffered from MAGC the incidence of BPD was higher and grew in proportion to the increase of pepsin activity in TBA and the reduction of gestational age. The extinction increase in TBA values was followed by the increase in duration of APV and the subsequent oxygen therapy, and also the severity of BPD clinical course. By the end of 3 years clinical recovery was detected in 55.2% of children suffering from BPD without MAGC whereas in patients with BPD against MAGC this outcome occured only in 0.9% of cases. MAGC is clinically significant for the etiology, pathogenesis and pathomorphism of BPD. The proposed method of early detection of MAGC and algorithm of complex therapy can reduce its severity and improve the forecast accuracy of neonatal adaptation.

Highlights

  • Today the influence of the digestive tract functional violations followed by microaspiration of gastric contents (MAGC) on the incidence, features and outcomes of bronchopulmonary dysplasia BPD) remains little studied

  • Its activity was measured by extinction value with subsequent analysis of the incidence and nature of the course of bronchopulmonary dysplasia (BPD) in patients against MAGC and without it

  • Results: it was revealed that in children suffered from MAGC the incidence of BPD was higher and grew in proportion to the increase of pepsin activity in TBA and the reduction of gestational age

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Summary

АКТУАЛЬНЫЕ ВОПРОСЫ ПЕДИАТРИИ

Патоморфоз и исходы бронхолегочной дисплазии, ассоциированной с микроаспирацией желудочного содержимого. На сегодняшний день по-прежнему остается малоизученной степень влияния функциональных нарушений желудочно-кишечного тракта, сопровождающихся микроаспирацией желудочного содержимого (МАЖС), на частоту развития, особенности течения и исходов бронхолегочной дисплазии (БЛД), что делает актуальным настоящее исследование. В трахеобронхиальном аспирате (ТБА) определялся маркер МАЖС – пепсин, активность которого измерялась по величине экстинкции, с последующим анализом количества случаев и характера течения развившейся БЛД у пациентов на фоне МАЖС и без нее. Результаты: выявлено, что у детей с МАЖС частота развития БЛД была выше и нарастала пропорционально увеличению активности пепсина в ТБА и снижению срока гестации. Today the influence of the digestive tract functional violations followed by microaspiration of gastric contents (MAGC) on the incidence, features and outcomes of bronchopulmonary dysplasia BPD) remains little studied. Выделение пепсина в трахеобронхиальном аспирате (ТБА) является объективным маркером МАЖС на фоне патологической гастроэзофагеальной регургитации. 1. Дизайн клинического исследования особенностей течения бронхолегочной дисплазии (БЛД) у детей с микроаспирацией желудочного содержимого. Средний возраст детей 1-й группы, соответствующий дням сбора трахеобронхиального аспирата (ТБА)

Дни жизни
Повышение перистальтической активности кишечника
Функциональные нарушения Гастроэзофагеальная регургитация
Характер течения БЛД
Степень тяжести БЛД
Клиническое выздоровление
Влияние метилксантинов на выраженность МАЖС
Конфликт интересов
Findings
Выражение признательности

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