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Дополнительные критерии оценки степени тканевой гипоксии у больных пневмонией

Дополнительные критерии оценки степени тканевой гипоксии у больных пневмонией

Abstract

Гипоксия является одним из универсальных регуляторов энергетических процессов в нормальных условиях и важной причиной нарушения метаболизма клеток. Как типовой патологический процесс гипоксия сопровождает многие заболевания, в том числе пневмонию, при которой она обусловлена нарушением функции внешнего дыхания (ФВД) [4]. Цель настоящего исследования состояла в оценке диагностической значимости анализа возрастного состава эритроцитов периферического звена крови и определения уровня фетального гемоглобина (FetHb) при пневмонии, а также установление связей изученных параметров с традиционными критериями функционирования кислородтранспортной системы (КТС). В работе установлено, что вентиляционные нарушения ФВД, проявляющиеся в значимом уменьшении величины рО2 (с 80,5 мм рт.ст. в группе контроля до 67,8 мм рт.ст. в группе больных пневмонией), компенсируются достоверным увеличением содержания FetHb (5,4% против 2,9% в контроле), обладающего повышенным сродством к кислороду и являющегося в силу этого резервным путем преодоления гипоксии. Обнаруженное у больных пневмонией изменение степени кислотной устойчивости эритроцитов служит, очевидно, пусковым механизмом усиления ответа молекулярно-генетического механизма при адаптации организма больных к гипоксии и может рассматриваться наряду с FetHb маркером гипоксического состояния. Ведущая роль указанных механизмов в поддержании кислородного гомеостаза подтверждена результатами факторного анализа.

Hypoxia is a universal regulator of energy processes in normal and important cause of metabolic disorders cells. As a typical pathological process hypoxia accompanies many diseases, including pneumonia, in which it is due to a violation of respiratory function (ERF) [4]. The purpose of this study was to assess the diagnostic significance of analyzing the age composition of red blood cells in peripheral blood and managers determine the level of fetal hemoglobin (FetHb) with pneumonia, and establish relationships with the studied parameters of the traditional criteria of functioning oxygen transport system (ITS). The paper found that the ventilation violations ERF, manifested in a significant decrease in pO2 values (from 80.5 mmHg in the control group to 67.8 mm Hg in patients with pneumonia), offset by a significant increase content FetHb (5 4% vs. 2.9% in controls) having high affinity for oxygen and which is therefore redundant overcome by hypoxia. Found in patients with pneumonia change the degree of acidity is the stability of erythrocytes, obviously, trigger the gain response of molecular genetic mechanism during adaptation to hypoxia and patients can be treated along with FetHb marker of hypoxia. The leading role of these mechanisms in maintaining oxygen homeostasis confirmed by the results of the factor analysis.

Keywords

ГИПОКСИЯ, ПНЕВМОНИЯ, ФУНКЦИЯ ВНЕШНЕГО ДЫХАНИЯ, КИСЛОРОДТРАНСПОРТНАЯ ФУНКЦИЯ КРОВИ, ФЕТАЛЬНЫЙ ГЕМОГЛОБИН, КИСЛОТНЫЕ ЭРИТРОГРАММЫ, ФАКТОРНЫЙ АНАЛИЗ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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