The aim: The study of the possibilities of oxidase-antioxidant system indicators regulation at patients with periodontitis under the influence of complex treatment. Materials and methods: 36 healthy and 125 patients with chronic and exacerbated periodontitis of primary (22 and 21), I (21) and II (20) degrees were examined.Indicators of lipid peroxidation and antioxidant protection (levels of diene conjugates and malonic dialdehyde, catalase activity and transferrin iron saturation, ceruloplasmin activity) in the blood serum were studied before, 6 and 12 months after the appointed treatment. Initial periodontal therapy and a paste developed by us (spirulina microalgae powders and silica enterosorbent taken in equal amounts and 0.05% chlorhexidine bigluconate) for applications and instillations were exogenously used in the complex treatment. Spirulina tablets were prescribed per os as well. Results: All patients exhibit elevated levels of diene conjugates and malonic dialdehyde, decreased catalase activity and transferrin iron saturation as well as an increased ceruloplasmin activity, especially pronounced at stages I and II (p1≤0.01-0.001). Treatment contributed to long-term and reliable (p2<0.05 - 0.001) regulation of the studied parameters: reduction of diene conjugates and malonic dialdehyde, ceruloplasmin activity and increased catalase activity and transferrin iron saturation. All indicators differed slightly from the norm during the year (p1>0.05), and complete normalization of most of them lasted six months. At the same time clinical stabilization of periodontitis was reached. Conclusions: Indicators of the oxidase-antioxidant system in patients with periodontitis are significantly altered and indicate their participation in the pathogenesis of the disease. Complex treatment was able to almost completely normalize them within six months, but a year later the difference between the obtained indicators with data in healthy people was insignificant (except for ceruloplasmin). Clinical stabilization was achieved in all patients.
Introduction. The mechanisms of generalized periodontitis (GP) development and methods of its treatment remain obscure, so it is important to study changes in the activity of enzymes responsible for maintaining homeostasis, as well as the inclusion of medicines that regulate them into the complex treatment. Aim of research is to study the influence of comprehensive treatment in patients with GP on the dynamics of the activity of indicator blood serum enzymes in different observation periods. Methods. There were examined 29 people with a healthy periodontium and 143 patients with GP aged 19-45 years, somatically healthy, before, immediately after the treatment, after 6 and 12 months. Patients were divided into subgroups with chronic (A) and acute (B) course: IA and IB – the initial degree; IIA and IIB – the I degree; IIIA and IIIB – the II degree. The activity of lactate-dehydrogenase (LDG), arginase and sorbitol dehydrogenase (SDG) in blood serum has been studied. In addition to the basic periodontal therapy, the microalgal medicine Spirulina platensis was prescribed endogenously, and the paste with the same amount of spirulina powder and enterosorbent and 0.05% chlorhexidine bigluconate solution was exogenously prescribed. Results. In patients with IA and IB subgroups, LDG activity has increased in 1.37- and 1.48-times (p1 <0.01; p1 = 0.001). Under the influence of treatment, it has decreased in all patients, especially after 6 months – in 1.33- and 1.50-times (p2<0.001), but after 12 months it has been increased more (p2> 0.05; p2 <0.05). Arginase activity in IA and IB subgroups has reduced in 1.23- and 1.31-times (p1<0.05; p1=0.005). Due to the therapy, it has increased immediately, after 6 and 12 months, respectively in 1.23- and 1.26-times; in 1.21- and 1.25-times, and in 1.20-1.23-times (p2<0.05; p2> 0.05; p1> 0.05). In subgroups IA and IB, SDG activity has increased in 1.15- and 1.17-times (p1> 0.05), and after the treatment it has decreased immediately in 1.14- and 1.16-times (p2 <0.05); later it increased, but differed slightly from the norm (p1> 0.05). LDG activity in subgroups IIA and IIB has increased in 1.38- and 1.54-times (p1 <0.01; p1=0.001). After the treatment in subgroup IIA, it has decreased in 1.21-times immediately and after 6 months (p2<0.005), and a year later it has increased (p2>0.05; p1>0.05); in subgroup IIB it has decreased in 1.33-, 1.39- and 1.24-times (p2<0.05; p2<0.01; p2 <0.05 and p1> 0.05). In subgroups IIA and IIB, arginase activity has reduced in 1.32-times (p1=0.001). Immediately after the treatment in subgroup IIA, it has increased in 1.21-times (p2=0.005), and subsequently decreased (p2> 0.05). In the IIB subgroup, its increasing was 1.31-, 1.27- and 1.25-times (p2 <0.05), and the difference with the norm was insignificant. SDG activity in subgroups IIA and IIB has increased in 1.18- and 1.24-times (p1 <0.05; p1=0.01). After the treatment, it has decreased at all terms in both subgroups similarly: 1.13- and 1.16-times; 1.17- and 1.17-times; 1.12- and 1.10-times (p2 <0.05; p2 <0.05; p2> 0.05) and it differed slightly from normal one. The largest increase in LDG activity was found in subgroups IIIA and IIIB – 1.45- and 1.62-times (p1≤0.001). As a result of therapy immediately, after 6 and 12 months it has decreased in 1.18- and 1.20-times; 1.26- and 1.23-times; 1.13- and 1.15-times (p2 <0.05; p2 <0.05; p2> 0.05; p1> 0.05). In subgroups IIIA and IIIB, arginase activity has reduced in 1.32- and 1.37-times (p1≤0.005). Treatment has increased the indices in group IIIA in 1.22-, 1.22- and 1.18-times (p2<0.05), and in group IIIB it immediately increased in 1.25-times and then decreased (p2 <0.05; p2> 0.05). The activity of SDG in IIIA and IIIB subgroups has increased in 1.31-times (p1=0.001). Under the influence of therapy in subgroup IIIA, it has decreased immediately, after 6 and 12 months in 1.17-, 1.22- and 1.13-times (p2 <0.05; p1> 0.05), and in subgroup IIIB it initially decreased, but after a year it has increased (p2>0.05) and the difference with healthy people became significant. The altered indices of activity of enzymes studied in patients with GP did not exceed the reference values, but showed a violation of the enzyme system, which was regulated by the treatment. Prior to therapy, reliable (p<0.05-0.005) strong correlations were found between these parameters: LDG with SDG (r> 0.71) and arginase with SDG (r> -0.90). After the treatment, they were not found, six months later one correlation has restored, and a year later – both have restored, which indicates the necessity for the maintenance of endogenous therapy after six months. Conclusion. GP is accompanied by significant (p1<0.05-0.001) changes in the enzymes activity in the blood: in LDG and SDG, it is increased, and in arginase – it is reduced. Comprehensive treatment has regulated these disorders, especially immediately and after 6 months (p2<0.05-0.001). The activity of LDG and SDG of the initial and the I degree immediately and after 6 months and arginase at the initial degree after 6 and 12 months became the closest to norm. In the GP of the II degree, the data of healthy people were not achieved, but the difference with them was insignificant (p1> 0.05).
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