Aim: To determine the role of damage to the ultrastructural elements of the periodontal nervous system in the pathogenesis of dystrophic periodontal disease.
Materials and Methods: The basis of the experimental part of the study was the preparation of ultrathin sections from blocks of gum tissue of white rats, which were prepared using the UMTP-3M device. The study and analysis of biopsy samples was carried out with the help of an electron microscope UEMV-100K.
Results: With the help of transmission electron microscopy, it was found that from the rst minutes after the injection of hemolysate of isogenic erythrocytes into the rats, aggregates of erythrocytes, clumps of blood plasma, clusters of brin monomer masses, bundles of brin bers, platelet and homogeneous were present in the connective tissue of the gums, and in particular in the lumens of hemocapillaries microthrombi, which conrms damage to the ultrastructures of the periodontium, which lead to the development of a pathological process, which is described when simple coagulation dystrophy is reproduced.
Conclusions: Coagulative damage to the ultrastructural elements of the periodontal nervous system is one of the important factors in the pathogenesis of dystrophic periodontal damage. Under these conditions, trophic disturbances occur, similar to those that occur when the integrity of the nerve is disturbed – neurotrophic mechanism of dystrophy.
KEY WORDS: Сoagulation dystrophies, generalized decompensated thrombinogenesis, periodontium, nerves of the gingival mucosa membranes
Актуальність. Первинна дисменорея (ПД) — один з найпоширеніших видів гінекологічної патології, що спостерігається у 31–52 % молодих жінок, серед яких у 10 % інтенсивність процесу призводить до інвалідності. Патогенез ПД враховує вплив представника ейкозаноїдів тромбоксану А2 з вираженою судинозвужувальною дією. У статті надані результати клініко-гормонального обстеження жінок з ПД та розроблена на цій основі методика лікування. Мета: розробити й оцінити ефективність лікування ПД з урахуванням багатокомпонентного патогенезу захворювання. Матеріали та методи. Під спостереженням перебувало 60 жінок, випадковим чином розподілених на дві групи: 30 жінок із ПД (основна група) та 30 здорових жінок (контрольна група). Діагноз ПД встановлювався на підставі скарг пацієнток на болючі менструації та супутні симптоми, за винятком органічної гінекологічної патології та захворювань внутрішніх органів, на консультаціях у гінеколога й ендокринолога. Лікування хворих на ПД проводили комбінованим препаратом, до складу якого входять стандартизований екстракт Vitex agnus castus L., індол-3-карбінол, 3,3-диіндоліл-метан, екстракт пасифлори, екстракт каліфорнійської ешольції. Результати. В результаті лікування у хворих на ПД значно зменшилася інтенсивність болю, а у 60 % біль зник повністю, у всіх зник страх очікування наступної менструації, значно зменшилися прояви вегетативно-судинної системи (з 17 до 3 % пацієнток), вегетативні (від 10 до 0 % хворих), метаболічні й ендокринні (від 13 до 0 % хворих) розлади та розлади емоційно-психічної сфери (від 23 до 7 % хворих). Через 1 місяць після лікування поліпшення якості життя відзначали 70 % (21/30) пацієнток з ПД, а підвищення працездатності — 60 % (18/30), через 2 місяці — 93 % (28/30) і 83 % (25/30) відповідно. В жодної пацієнтки під час лікування не було виявлено побічних ефектів. Висновки. З огляду на безпеку та високу терапевтичну ефективність препарат на основі екстракту Vitex agnus castus можна рекомендувати для лікування молодих хворих із ПД тривалістю не менше трьох місяців.
Abstract. Background. Primary dysmenorrhea (PD) is one of the most common types of gynecological pathology and is observed in 31–52 % of young women, in 10 % of them the pain is so intense that leads to disability. In the pathogenesis of PD consider a representative of eicosanoids — thromboxane A2 with a pronounced vasoconstrictor effect. The article presents the results of clinical and hormonal examination of women with PD and developed on this basis a method of treatment. The purpose was to develop and evaluate the effectiveness of treatment of PD, taking into account the multicomponent pathogenesis of the disease. Materials and methods. There were 60 women observation, randomly divided into two groups: 30 women with PD (main group) and 30 healthy women (control group). PD was diagnosed on the basis of patients’ complaints of painful menstruation and related symptoms, excluding organic gynecological pathology and diseases of the internal organs in consultation with a physician and endocrinologist. Treatment of patients with PD was performed with a combined drug, which includes a standardized extract of Vitex agnus castus L., indole-3-carbinol, 3,3-diindolyl-methane, passionflower extract, California escholzia extract. Results. As a result of treatment in patients with PD significantly reduced the intensity of pain, and 60 % completely disappeared pain, all disappeared fear of waiting for the next menstruation, significantly reduced the manifestations of autonomic vascular (from 17 % of patients to 3 %), autonomic (from 10 % of patients to 0 %), metabolic and endocrine (from 13 % of patients to 0 %) disorders and disorders of the emotional and mental sphere (from 23 % of patients to 7 %), no patient had a combination of symptoms.
Conclusions. Given the safety, high therapeutic efficacy, the drug based on Vitex agnus castus extract can be recommended for the treatment of young patients with PD lasting at least 3 months.
Keywords: menstrual pain; hormonal balance; primary dysmenorrhea
Objective: The aim: To establish the effectiveness of thromboelastography (TEG) and tranexamic acid (TXA) for prognosis and prevention of early postpartum period bleedings (PPB) for postpartum women with idiopathic arterial hypotension (IAH).
Patients and methods: Materials and methods: Coagulogical research was conducted (coaugologram screening, dynamic function of platelets under the influence of adenosine diphosphate (ADP) (visual assessment), measurement of soluble fibrin-monomer complexes (FMC) and TEG of 36 in parturient women during the I chilbirth period with arterial hypotension. 14 parturient women with normal fibrinolysis were included into the first observation group; The second group includes 22 parturient women with TEG results which show signs of hyperfibrinolysis. Further, in cases when stronger fibrinolysis was detected during the late pushing phase of childbirth period, the TXA by amount of 1,0 g IV (bolus) was injected due to bleeding prevention. TEG was repeated during early postpartum period.
Results: Results: the inhibition of platelet aggregation activity with ADP was observed in every parturient woman with IAH in the first partum period. In 61,1% cases with TEG hyperfibrinolysis were shown, which was accompanied by significant increase in FMC levels in blood. The use of TXA as PPB prevention for parturient women with IAH and hyperfibrinolysis during TEG was fully oppressing the fibrinolytic activity and was not affecting the coagulation part of hemostasis.
Conclusion: Conclusions: hemostasis testing during childbirth based on TEG gives the ability to prognose the hemorrhagic complications in parturient women with IAH and administer their prophylaxy using TXA.
Keywords: childbirth; fibrinolysis system; thrombocytopathy; thromboelastography; tranexamic acid; idiopathic arterial hypotension.
A series of 11-substituted 3,5,10,11-tetrahydro-2H-benzo[6,7]thiochromeno[2,3-d][1,3]thiazole-2,5,10-triones were obtained via hetero-Diels-Alder reaction of 5-alkyl/arylallylidene/-4-thioxo-2-thiazolidinones and 1,4-naphthoquinones. The structures of newly synthesized compounds were established by spectral data and a single-crystal X-ray diffraction analysis. According to U.S. NCI protocols, compounds 3.5 and 3.6 were screened for their anticancer activity; 11-Phenethyl-3,11-dihydro-2H-benzo[6,7]thiochromeno[2,3-d]thiazole-2,5,10-trione (3.6) showed pronounced cytotoxic effect on leukemia (Jurkat, THP-1), epidermoid (KB3-1, KBC-1), and colon (HCT116wt, HCT116 p53-/-) cell lines. The cytotoxic action of 3.6 on p53-deficient colon carcinoma cells was two times weaker than on HCT116wt, and it may be an interesting feature of the mechanism action.
C60 fullerene (C60) as a nanocarbon particle, compatible with biological structures, capable of penetrating through cell membranes and effectively scavenging free radicals, is widely used in biomedicine. A protective effect of C60 on the biomechanics of fast (m. gastrocnemius) and slow (m. soleus) muscle contraction in rats and the pro- and antioxidant balance of muscle tissue during the development of muscle fatigue was studied compared to the same effect of the known antioxidant N-acetylcysteine (NAC). C60 and NAC were administered intraperitoneally at doses of 1 and 150 mg kg−1, respectively, daily for 5 days and 1 h before the start of the experiment. The following quantitative markers of muscle fatigue were used: the force of muscle contraction, the level of accumulation of secondary products of lipid peroxidation (TBARS) and the oxygen metabolite H2O2, the activity of first-line antioxidant defense enzymes (superoxide dismutase (SOD) and catalase (CAT)), and the condition of the glutathione system (reduced glutathione (GSH) content and the activity of the glutathione peroxidase (GPx) enzyme). The analysis of the muscle contraction force dynamics in rats against the background of induced muscle fatigue showed, that the effect of C60, 1 h after drug administration, was (15–17)% more effective on fast muscles than on slow muscles. A further slight increase in the effect of C60 was revealed after 2 h of drug injection, (7–9)% in the case of m. gastrocnemius and (5–6)% in the case of m. soleus. An increase in the effect of using C60 occurred within 4 days (the difference between 4 and 5 days did not exceed (3–5)%) and exceeded the effect of NAC by (32–34)%. The analysis of biochemical parameters in rat muscle tissues showed that long-term application of C60 contributed to their decrease by (10–30)% and (5–20)% in fast and slow muscles, respectively, on the 5th day of the experiment. At the same time, the protective effect of C60 was higher compared to NAC by (28–44)%. The obtained results indicate the prospect of using C60 as a potential protective nano agent to improve the efficiency of skeletal muscle function by modifying the reactive oxygen species-dependent mechanisms that play an important role in the processes of muscle fatigue development.