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[Pulmonary microcirculatory bed and alveolar tissue in the postresuscitation period].

Structural changes in alveolar lung tissue microcirculatory bed and circulatory disturbances (edema, hemorrhage, thrombosis) were studied in postresuscitation period after experimental clinical death following acute hemorrhage and mechanical asphyxia. Circulatory disturbances proved essential in the pathogenesis of postresuscitation respiratory insufficiency, follow a stepwise pattern and in early postresuscitation (up to 7 days) are pathogenetically associated with coagulopathic changes. There are periods of primary, marked and delayed disturbances, and the period of reparative changes which may cover up to 30 days since resuscitation. It is emphasized that the pattern and the degree of lung tissue damage in the postresuscitation are largely determined by circulatory disturbances.