STUDY OF THE ROLE OF HEMOCOAGULATION DISBALANCE AS A KEY PATHOGENETIC PREDICTORS IN THE FORMATION OF SYSTEMIC DISORDERS IN EXPERIMENTAL PERITONITIS
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Keywords

peritonitis, hemostasis, platelet aggregation, hypercoagulation, DIC-syndrome

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Gutsulyuk , V. G., & Savуtskyi I. V. (2023). STUDY OF THE ROLE OF HEMOCOAGULATION DISBALANCE AS A KEY PATHOGENETIC PREDICTORS IN THE FORMATION OF SYSTEMIC DISORDERS IN EXPERIMENTAL PERITONITIS. Medical Science of Ukraine (MSU), 19(1), 39-45. https://doi.org/10.32345/2664-4738.1.2023.06

Abstract

Background. Peritonitis today continues to be one of the most difficult problems of both abdominal surgery and theoretical pathophysiology. One of the leading pathogenetic mechanisms of peritonitis is disorders in the hemostasis system and the development of dissemination vascular syndrome. Blockade of microcirculation caused by the development of dissemination vascular syndrome leads to tissue hypoxia and, as a result, to dysfunction of organs and body systems.

Aim: is to study changes in vascular-platelet and coagulation hemostasis under conditions of experimental fecal peritonitis in rats.

Materials and methods. Experimental studies were conducted on 24 non-linear laboratory rats, which were divided into 2 groups: 1 group – intact control (animals received distilled water), 2 group – animals of the control pathology group. According to the "Methodological recommendations for preclinical study of medicinal products", experimental peritonitis was studied on the model of V. A. Lazarenko. Indicators of vascular-platelet and coagulation hemostasis were determined according to generally accepted methods.

Results. On the first day of experimental peritonitis, a sharp increase in the rate of blood clotting and changes in the quality properties of platelets were noted, affecting their aggregation ability and retraction of an already formed blood clot. On the 4th day of the experiment, changes in the vascular-platelet link were established, indicating the exhaustion of the platelet potential, due to a decrease in blood clotting time, platelet aggregation ability, and blood clot retraction against the background of a probable increase in the number of blood platelets, which probably by now had time "get" to the bloodstream from the depot. Changes in the coagulation hemostasis system against the background of experimental fecal peritonitis indicate the development of hypercoagulation already on the first day, which is replaced by a hypocoagulation state, which indicates the exhaustion of the enzymatic systems of blood coagulation potential (as early as on the 4th day), which lasted until the end of the experiment.

Conclusion. In the development of disorders of the hemostasis system in fecal peritonitis, the key role belongs to both the internal and external mechanisms of activation of the blood coagulation system.

https://doi.org/10.32345/2664-4738.1.2023.06
Article PDF (Українська)

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