Statistical characteristics of the components of coagulation hemostasis and the degree of oxygenation of rat blood in the normal and at different times of the experimental opioid effect

Authors

DOI:

https://doi.org/10.26641/1997-9665.2021.3.125-136

Keywords:

coagulation hemostasis, oxygenation, norm, opioid influence

Abstract

Background. The problem of non-drug use of opioid drugs occupies a significant place among the current problems of world medicine. Objective. Тo study the hematological parameters of coagulation hemostasis in the norm and the dynamics of their changes at different times of opioid exposure. Methods. The experimental study was performed on sexually mature, outbred male rats in the number of 80 animals, weighing 160-270 g, aged 4.5-7.5 months. Animals were injected intramuscularly with “Nalbuphine” once daily for one day (10-11 hours in the morning) for 98 days. The initial dose of nalbuphine during the first 2 weeks was 0.212 mg / kg, the next 2 (II - IV weeks) - 0.225 mg / kg, the next (IV - VI weeks) - 0.252 mg / kg, the next (VI - VIII weeks) ) - 0.260 mg / kg, the next (VIII - X weeks) - 0.283 mg / kg, the next (X - XII weeks) - 0.3 mg / kg, and during (XII - XIV weeks) - 0.454 mg / kg. Thus, the conditions for chronic opioid exposure were created. Animals are divided into 3 groups. The 1-st group of animals received Nalbuphine for 98 days, with subsequent collection of material (end of 2 weeks, 4 weeks, 6 weeks, 8 weeks, 10 weeks, 12 weeks and 14 weeks of experimental opioid exposure); The 2-d was the control group, which for 98 days received injections of saline intramuscularly in one period of time (10 - 11 o'clock in the morning). Blood sampling and study of hematological parameters of blood (platelet count, prothrombin time, prothrombin index, time of recalcification of stabilized blood, total fibrinogen, determination of hemoglobin, hematocrit) were performed according to conventional methods. Software R v 4.0.3 and RStudio v 1.2.5042 were used for statistical calculations and graphing. MSOffice Excel 2010 spreadsheets were used to generate the final tables and store the data. Results. The key to the dynamics of changes in the blood parameters of experimental animals was week 6 of the experiment, as most indicators had the highest dynamics up to 6 weeks including further indicators of stability, which was higher (fibrinogen and prothrombin index) or less (prothrombin time, recalcification time and hemoglobin) indicators of the control group. The blood hematocrit of the experimental animals decreased evenly at all study terms to a minimum value at 14 week, and the number of platelets evenly all times increased to a maximum value at the last term of the experiment. This trend in all indicators was confirmed statistically. Conclusion. Our research has made it possible to study first and then observe the dynamics of changes in coagulation hemostasis and the degree of oxygenation of blood in acute, subchronic and chronic periods of experimental opioid exposure with subsequent statistical comparison.

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Published

2021-12-25

How to Cite

Statistical characteristics of the components of coagulation hemostasis and the degree of oxygenation of rat blood in the normal and at different times of the experimental opioid effect. (2021). Морфологія / Morphologia / Morfologìâ, 15(3), 125–136. https://doi.org/10.26641/1997-9665.2021.3.125-136

Issue

Vol. 15 No. 3 (2021)

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Статті

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