117 research outputs found

    Minimally Invasive Urological Interventions in Outpatient Clinic on the Example of Prostate Biopsy

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    One of the main directions of improving medical care was the introduction of inpatient forms of medical care for patients who do not require round-the-clock supervision.Aim of the research: to prove the effectiveness and economic feasibility of minimally invasive procedures in outpatient conditions.Materials and methods. The study included 3524 patients in the period from 2010 to 2017, who underwent transrectal prostate biopsy on the basis of the Department of urology of polyclinic No. 195 of the Western district of Moscow. For comparison, the patients were taken, who underwent a biopsy of the prostate gland at the base hospital No. 31, No. 51, No. 17.Results. The average number of biopsies performed in hospital No. 31, No. 51 and No. 17 for the year amounted to 344 biopsies, and the average detectability of prostate cancer was 142 (41.3 %). The average number of biopsies per year in the urology department of the branch number 2 GP No. 195 amounted to 440.5, and the average detectability of prostate cancer – 152.8 (34.7 %). Thus, with comparable inpatient detection of prostate cancer in one large outpatient urology center, an average of 28 % more biopsies are performed (440.5 versus 344) than in 3 hospitals over a comparable period of time.Conclusions. Inpatient technologies can reduce the burden on hospitals. The development of hospital-replacing forms is determined by the need of the population and for efficient use of financial and technical resources of health care

    MINIMALLY INVASIVE UROLOGICAL INTERVENTIONS IN OUTPATIENT CLINIC ON THE EXAMPLE OF PROSTATE BIOPSY

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    One of the main directions of improving medical care was the introduction of inpatient forms of medical care for patients who do not require round-the-clock supervision. Aim of the research: to prove the effectiveness and economic feasibility of minimally invasive procedures in outpatient conditions. Materials and methods. The study included 3524 patients in the period from 2010 to 2017, who underwent transrectal prostate biopsy on the basis of the Department of urology of polyclinic No. 195 of the Western district of Moscow. For comparison, the patients were taken, who underwent a biopsy of the prostate gland at the base hospital No. 31, No. 51, No. 17. Results. The average number of biopsies performed in hospital No. 31, No. 51 and No. 17 for the year amounted to 344 biopsies, and the average detectability of prostate cancer was 142 (41.3 %). The average number of biopsies per year in the urology department of the branch number 2 GP No. 195 amounted to 440.5, and the average detectability of prostate cancer – 152.8 (34.7 %). Thus, with comparable inpatient detection of prostate cancer in one large outpatient urology center, an average of 28 % more biopsies are performed (440.5 versus 344) than in 3 hospitals over a comparable period of time. Conclusions. Inpatient technologies can reduce the burden on hospitals. The development of hospital-replacing forms is determined by the need of the population and for efficient use of financial and technical resources of health care

    Height structure of annual variations in circulation of the midlatitude lower thermosphere

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    Using long-term radio meteoric observations of wind at Kazan (52°N, 49°E) from 1978 to 1988, the height-seasonal structure and climatic characteristics are obtained, and the year by year variability is estimated for the zonal and meridional prevailing circulations in the altitudinal range of 80-110 km. The global character of the stratomesospheric winter cyclone invasion of altitudes of 80-100 km and the summer anticyclone penetration up to altitudes of ∼ 90 km is ascertained, and the change from mesospheric to thermospheric regime of circulation at altitudes of 90-95 km is revealed. The height dependence of the parameters of annual variations of the prevailing motions with characteristic yearly and half-yearly periodicities are determined, and altitudinal profiles of the amplitude and phase of the quasi-biennial oscillations of the zonal and meridional circulations are estimated. Copyright 1996 by the American Geophysical Union

    The influence of sectoral makeup of economy on its efficiency

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    The paper determines how sectoral makeup of economy influences its functional efficiency and territorial placement of production forces.It analyses the transformation of sectoral makeup in some countries on global and regional levels. Theoretical justification for principles of labor division is demonstrated. The author also defines the term of multicriterion approach. It is important to note that structuring of economy influences very different types of economic activity. The same calculations can be made with various indexes. Thus, structural effect may have multicriterion character when several economic indexes are being optimized simultaneously. Criteria for optimization can be profit, added value, employment, ecologic security. Presently there is enough number of methods of multicriterion optimization and application program package. Thomas Saati's method of Analytic Hierarchy Process (AHP) is worth mentioning. The most important subnational entity on the territory of Russia is region whose unity altogether form a single economic area. In this regard one can define a number of efficient (effect-forming) directions which appear during the process of interaction of industrial and territorial structures. One of such directions is sectoral makeup of economy (SME) synergy as one joint entire (whole) depending on geographical position on the region's territory. Synergy arises from optimization in the proportion of SME elements which are connected with the territorial position.And this results in diversification and clusterization. For instance, the efficiency of fuel and energy industry depends on its distribution on the territory throughout the country

    Bulk Quantum Computation with Pulsed Electron Paramagnetic Resonance: Simulations of Single-Qubit Error Correction Schemes

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    © 2015, Springer Science+Business Media New York.We investigate the possibility to restore transient nutations of electron spin centers embedded in the solid using specific composite pulse sequences developed previously for the application in nuclear magnetic resonance spectroscopy. We treat two types of systematic errors simultaneously: (i) rotation angle errors related to the spatial distribution of microwave field amplitude in the sample volume, and (ii) off-resonance errors related to the spectral distribution of Larmor precession frequencies of the electron spin centers. Our direct simulations of the transient signal in erbium- and chromium-doped CaWO4 crystal samples with and without error corrections show that the application of the selected composite pulse sequences can substantially increase the lifetime of Rabi oscillations. Finally, we discuss the applicability limitations of the studied pulse sequences for the use in solid-state electron paramagnetic resonance spectroscopy

    Hardening of gear teeth depending on the concentration of abrasive particles in the transmission oil

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    The article deals with the issues of determining the life and limiting concentration of abrasive particles in the oil of transmission units, depending on the type of hardening of gear teeth. Resource was determined after volume hardening, hardening by current of high frequency and cementation by hardness of gears materials, on the friction machine on the samples which have been made of gears material, working in oil with abrasive particles, considering coefficient of acceleration at test. Maximum allowable concentration of abrasive particles in machine oil, were estimated on the basis of expression for calculation of wear rate, providing the set life, maximum allowable wear depending on modulus of gearing, hardness of gearing material, size of abrasive particles, geometrical and kinematic parameters of gearing

    Health capital as a strategic component of russian economic security

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    © 2014, Mediterranean Center of Social and Educational Research. All right reserved. The paper presents the theoretical and methodological aspects of health capital formation as a component of economic security of the territory. The tendencies of health capital development in connection with social and economic trends of modern Russian development are analyzed. The authors offer some ways of improving the methodological approach, namely application of Keynes’s concept of uncertainty about the economic future. The formula of calculation of health potential depending on a number of factors, determining the character of health capital consumption, is suggested

    Orbital structure of a meteoric complex in a vicinity of the Earth's orbit by Kazan meteor radar. Types of meteor orbits

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    © 2018 Elsevier Ltd The orbital structure of a meteoric complex in a vicinity of the Earth's orbit is substantially defined by conditions of its observation from the Earth. Orientation of aerials of Kazan meteor radar varied each 15 min to the North, East, South and West – the directions to provide the maximal review of northern celestial hemisphere together with the Earth's rotation. Nevertheless, the antiapex area of celestial sphere was practically inaccessible due to influence of the physical factor of small radar sensitivity to meteors with velocities less than 18 km/s. On the contrary, the meteor streams in which movements are backward compared to the Earth's movement, are quite observationally accessible. In the given work, the data of meteor radar observation from August to November of 1986 are resulted. The conditions of observation have defined some types of orbits: internal orbits with aphelion distance Q∼1 AU and with a wide spectrum of perihelion distances and external orbits with perihelion distance q∼1 AU and with a wide spectrum of aphelion distances. The majority of all observed orbits are close to circular orbits for which Q∼1 AU and q∼1 AU. Three-dimensional maps of meteor microstream distribution and numbers of meteors in them by perihelion, by aphelion distances and by inclinations are constructed. Orbital parameters of the most significant meteor streams that have been found out are presented

    Wind regime at 80-110 km at mid-latitudes of the northern hemisphere

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    The dynamics of the mesosphere and lower thermosphere (80-110 km) are investigated using data for 1987 from two radar systems which are widely spaced in longitude but close in latitude; the meteor radar at Kazan, Russia (56°N, 49°E) and the medium frequency radar at Saskatoon, Canada (52°N, 107°W). The mean prevailing zonal winds at both locations are dominated by eastward/westward circulations in winter/summer months below ~95 km, but the shape and strength of the wind contours and the timing of equinoctial transitions differ significantly. Also, while the meridional winds at both locations demonstrated their strongest southward flows at 85-90 km during summer, consistent with the closure of the westward circulation, other months and heights differed. These differences are discussed and/or explained in terms of the amplitudes and phases of the semi-annual and annual oscillations, longitudinal differences in circulation and planetary waves. Considering the tides, the semi-diurnal oscillations at Kazan and Saskatoon have rather similar characteristics, namely, strong transitions in the equinoxes between solstitial states having longer wavelengths in summer (100-∞ km) and shorter in winter (30-100 km). During several months, however (November, December, February), the wavelengths are significantly different (e.g. 90 and 35 km, respectively, in February), and in summer and autumn months the Kazan oscillations demonstrate consistent 0.5-2 h phase shifts toward later times for maximum amplitudes. For the diurnal tide, amplitudes are generally smaller and the phase gradients less regular; given this the oscillations are rather similar at each location with a tendency toward evanescence in summer and shorter wavelengths or irregularity in winter months. The differences in tidal behaviour are discussed in terms of non-migrating tidal modes. The results of the comparisons between Kazan and Saskatoon are discussed in terms of other mid-latitude observations and empirical models [e.g. Miyahara et al. (1991) J. geophys. Res. 96, 1225]. The paper also contains a comparison (favourable) between the winds obtained from a non-height ranging meteor radar at Obninsk (400 km distant) and the mean winds (~95 km) from the Kazan radar. An important conclusion is that the seasonal/monthly dynamics of the mesopause region may differ significantly with longitude. © 1993
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