ENDOSCOPIC HEMOSTASIS IN ULCERATIVE GASTRODUODENAL BLEEDING USING HIGH-FREQUENCY BIOLOGICAL WELDING ELECTROLIGATION.

Objective: The aim: To increase the efficiency of endoscopic hemostasis in ulcerative gastroduodenal bleeding using high-frequency biological welding electroligation.

Patients And Methods: Materials and methods: The evaluation of endoscopic hemostasis in 160 patients aged 40 to 85 years with ulcerative gastroduodenal bleeding for the period from 2017 to 2020 was carried out. The patients were divided into two groups: the first (treatment) group involved 80 patients who underwent high-frequency biological welding electroligation, the second (experimental) group consisted of 80 patients who underwent monopolar thermal argon plasma coagulation.

Building the Housane: Diastereoselective Synthesis and Characterization of Bicyclo[2.1.0]pentane Carboxylic Acids.

An approach to 1,3-disubstitued bicyclo[2.1.0]pentane (housane) derivatives was developed.

[Effect of different types of cold acclimation on osmotic fragility and sphericity index of rat erythrocytes].

The effect of different types of cold exposures, long-term and rhythmically organized (RCE), which increased organism adaptive ability to cold, on osmotic fragility and sphericity index of rat erythrocytes were studied. It is shown that depending on the type, intensity and duration of cold exposure the change of sphericity index occurred. More over, RCE1 (exposure temperature -12 °C, during 2 days) led to the increase in osmotic fragility, but RCE2 (exposure temperature 10 °C, during 2 days), RCE3 (exposure temperature 10 °C, during 1 month) and long-term (exposure temperature 5 °C, during 1 month) - to membrane modification without change in its osmotic fragility.

[Cryosurgery in diffuse hepatic diseases].

Comparative studying, using histological and biomicroscopic methods, of the dosed cryohepatodestruction (CHD), periarterial cryodenervation of hepatic artery (CDHA) and their concomitant application influence on the dynamics of hepatic restoration processes in experimental cirrhosis was performed. The investigations were done on 215 male rats owing body mass 200-280 g in a not changed and pathologically changed liver. There was shown, that CDHA promotes changes in hepatic tissue microhemocirculation, as well as the enhancement of the sinusoidal vessels diameter and relative square of vascular bed.

Use of fractal [corrected] analysis for evaluation of liver structure and function in rats in vivo.

Fractal [corrected] and morphometrical analysis of images obtained by life-time photo- and videorecording of microhemocirculatory changes in the rats in health, experimental cirrhosis, and variants of its treatment was carried out. Differences in the fractional dimensions of the studied organs were significant and correlated with morphological values. This suggests fractal [corrected] analysis for the diagnosis and prediction of hepatic tissue status in vivo.