171 research outputs found

    Clinical-Epidemiological Peculiarities of the Tick-Borne Borrelioses Registered in the Trans-Baikal Territory

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    Complex analysis of the data on epidemiology and clinical picture of the tick-borne borrelioses in the territory of the Trans-Baikal Region over the last decade since 2003 to 2012 has demonstrated that there is a distinct upward tendency as concerns its morbidity rates. Spotted have been the potentially hazardous, as regards the infection, areas. Highest incidence rates are registered between May-July among adult men, and erythema form of the disease prevails. Based on the results of molecular-genetic investigation of Ixodidae ticks, for the first time ever in the territory of the Dul’durginsk Region identified has been circulation of Borrelia garinii , and B. afzelii , pathogenic for humans bacterial species of Borrelia genus

    Velocity-space sensitivity of the time-of-flight neutron spectrometer at JET

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    The velocity-space sensitivities of fast-ion diagnostics are often described by so-called weight functions. Recently, we formulated weight functions showing the velocity-space sensitivity of the often dominant beam-target part of neutron energy spectra. These weight functions for neutron emission spectrometry (NES) are independent of the particular NES diagnostic. Here we apply these NES weight functions to the time-of-flight spectrometer TOFOR at JET. By taking the instrumental response function of TOFOR into account, we calculate time-of-flight NES weight functions that enable us to directly determine the velocity-space sensitivity of a given part of a measured time-of-flight spectrum from TOFOR

    Relationship of edge localized mode burst times with divertor flux loop signal phase in JET

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    A phase relationship is identified between sequential edge localized modes (ELMs) occurrence times in a set of H-mode tokamak plasmas to the voltage measured in full flux azimuthal loops in the divertor region. We focus on plasmas in the Joint European Torus where a steady H-mode is sustained over several seconds, during which ELMs are observed in the Be II emission at the divertor. The ELMs analysed arise from intrinsic ELMing, in that there is no deliberate intent to control the ELMing process by external means. We use ELM timings derived from the Be II signal to perform direct time domain analysis of the full flux loop VLD2 and VLD3 signals, which provide a high cadence global measurement proportional to the voltage induced by changes in poloidal magnetic flux. Specifically, we examine how the time interval between pairs of successive ELMs is linked to the time-evolving phase of the full flux loop signals. Each ELM produces a clear early pulse in the full flux loop signals, whose peak time is used to condition our analysis. The arrival time of the following ELM, relative to this pulse, is found to fall into one of two categories: (i) prompt ELMs, which are directly paced by the initial response seen in the flux loop signals; and (ii) all other ELMs, which occur after the initial response of the full flux loop signals has decayed in amplitude. The times at which ELMs in category (ii) occur, relative to the first ELM of the pair, are clustered at times when the instantaneous phase of the full flux loop signal is close to its value at the time of the first ELM

    Genetic basis and biotechnological manipulation of sexual dimorphism and sex determination in fish

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    Experience of using sibutramine in combination with microcrystalline cellulose in clinical practice

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    For many years, interest in the issue of obesity has not faded, as obesity is now one of the most common pathologies in the world that directly affects quality of life and lifespan. Even a slight weight loss (5-10% of baseline values) in obese patients is known to improve metabolism and reduce the risk of a range of comorbidities. The article reflects the importance of comprehensive treatment of obesity, presents positive experience of using Reduxin (sibutramine in combination with microcrystalline cellulose) to reduce body weight and risk factors for cardiovascular disease in a specific clinical example in a patient with exogenous-constitutional obesity and eating disorders. The case of obesity in a young man of 24 years old is presented, when other components of the metabolic syndrome (except for arterial hypertension) were not formed. Thus, following the results of 24-week complex treatment, clinically significant reduction of body weight (by 21.7% of initial values) was observed in the patient. The data of psychological researches have shown that the patient has no increase of anxiety and depression level during treatment, but at the same time the indicators of quality of life according to the results of health questionnaire testing have improved. This clinical case corresponds to the results of the PrimaVera program and demonstrates that weight loss during sibutramine therapy in combination with microcrystalline cellulose has a positive impact on the overall health and emotional status of patients and leads to improved quality of life. Therefore, successful treatment of obesity and the maintenance of other outcomes are key to preventing cardiovascular disease

    Sitagliptin: the world’s first DPP-4 inhibitor

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    The prevalence of T2D is steadily increasing annually, which resulted in an active search for a way to control the disease. The last decade has seen a rise in the number of new groups of glucose-lowering drugs, which not only proved effective in the management of hyperglycemia and safe against hypoglycemia, but also joined the ranks of the drugs of the first-line therapy. Among them is incretin-active agents - type 4 dipeptidyl peptidases inhibitors (IDPP-4, glyptines). Sitagliptin was the world's first approved IDPP-4, and began to be used successfully in Russia since 2007. The review presents data on the efficacy, safety (including cardiac safety) of sitagliptin use and accumulated experience of its use in the treatment of patients with type 2 diabetes

    Characteristics of the circadian profile of heart rate during genetically determined hypertension

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    Prevalence and importance of hypertension in the general incidence structure determines a wide range of research problems. Chronobiological indices are of great importance in the investigatory activity concerning mechanisms of essential hypertension. Our work was focused on the dynamics of HR circadian profile at different terms in male SHR rats with the use of telemetry monitoring. The obtained data showed considerable changes of cardiac rhythm in different time intervals which was understood as inhibition of the chronotropic function of the heart

    Thyroid cancer: retrospective study of patients with surgical treatment (a single-center experience)

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    Introduction. Nodular goiter is one of the most common endocrine disorder, and thyroid cancer takes a leading place among malignancy of the endocrine system. The aim of our study is to evaluate the prevalence and risk factors of thyroid cancer. Materials and methods: this is a retrospective case-control study that included 140 patients operated with suspected thyroid cancer according to a cytological study of fine needle aspirates in single center in 2018. All patients underwent preoperative cytological examination with interpretation of the results according to the Bethesda system, thyroid ultrasound examination, thyroid status assessment. The results of the cytological examination, as well as clinical and laboratory data were compared with the data of histological analysis. Results: According to the preoperative cytological study, 76 nodules were reported as Bethesda IV, 4 – Bethesda III, 32 – Bethesda VI, 28 – Bethesda V. According to the results of a histological examination, thyroid cancer was confirmed in 70% of patients: in 89,3% of Bethesda V and 100% in the Bethesda VI group, 52,6% of Bethesda IV, 25% of the Bethesda III. The risk of nodule malignancy was associated with such ultrasound signs as hypoechoicity, calcifications and irregular contours. Conclusions: the improvement of the methods of preoperative diagnosis of thyroid cancer should help to choose the optimal surgical strategy, reduce the number of diagnostic and repeated thyroidectomy
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