Pathomorphosis of Extrapulmonary Tuberculosis in Children

Aim. To study clinical and epidemiological aspects of pathomorphosis of extrapulmonary tuberculosis clinical forms.Materials and Methods. Retrospective analysis of 138 case histories in children aged to 15 years, obtaining extrapulmonary tuberculosis treatment in a specialized children\u27s hospital during 1988-2015 was carried out. Among them, in 103 children, clinical forms of extrapulmonary tuberculosis combined with respiratory tuberculosis and in 35 children independent forms of extrapulmonary tuberculosis were found. Studied stage (1988-2015) was divided into 3 periods: I – 1988-1997, II – 1998-2007, III – 2008-2015.During 2008-2015, incomparison to previous periods, the number of cases of peripheral lymph node tuberculosis (PLN), meninges and central nervous system tuberculosis, bones and joints tuberculosis, and ocular tuberculosis decreased. In 2008-2015, the share of combined forms of meninges and central nervous system tuberculosis and ocular tuberculosis remained at 1998-2007 level. During 2008-2015, skin tuberculosis was not diagnosed. Nevertheless, in 2008-2015, in6.8±10.2 % of cases extrapulmonary tuberculosis combined with miliary tuberculosis, and in 5.8±10.4 % of cases the process characterized by lethal outcome, moreover 4.9±10.7% from them – in recent years. It is important that during period I, in 19.6±13.2 % of cases extrapulmonary tuberculosis combined with respiratory tuberculosis in reverse development phases, during period II – in 12.9±19.3 % of cases, during period III – in 23.8±21.2 % of cases.Conclusion. Despite the reduction, extrapulmonary tuberculosis combined with severe forms of respiratory tuberculosis, which led to lethal outcome in children in 5.8±10.4% of cases. Tuberculosis epidemiological situation worsening, reversion of severe forms of tuberculosis with the development of extrapulmonary one and several organs injuries in children shows the necessity of social, preventive and therapeutic measures intensification among children

Management of the Great Lakes-St. Lawrence Maritime Transportation System

The Great Lakes-St. Lawrence Maritime Transportation System ( MTS ) bears critical importance to the economic competitiveness of Canada and the United States ( US ). Maritime transportation comprises both a major economic driver and job creator for both countries. As a cost-effective and highly efficient means of transporting raw materials and finished products to market, the MTS is essential to agricultural, mining, and manufacturing supply chains that frequently stretch across the US-Canada border and beyond. Yet management of the MTS is fragmented, with responsibility for various system components scattered across numerous federal agencies in both the US and Canada. This fragmentation results in a dearth of transparency, confusing and disjointed governmental authority, higher user costs, barriers to establishing new markets, and overall reduced system competitiveness. The development of a treaty that commits both nations to integrate system management, harmonize regulations, and promote more effective coordination will bring clarity regarding authority over key system aspects, increase accountability, and improve performance

Digital Signal Processing for Hydroacoustic System in Biomimetic Underwater Vehicle

Signal processing in hydroacoustic system will be presented in this paper. The research results, depicted in this article, were achieved during realization one of the stages of the project for the development of an biomimetic underwater vehicle (BUV). The hydroacoustic system is installed inside Biomimetic Underwater Vehicle no. 2 (BUV2) and is designed for passive obstacle detection system. The passive measurement system was based on two hydrophones mounted on the upper part of the BUV2. The results of the hydroacoustic module testing were made in a real environment. The signals from the hydrophones were converted from analog to digital form and then filtered and analyzed by using algorithms implemented in the Texas Instruments C2000 series microcontroller

PATHOMORPHOSIS OF EXTRAPULMONARY TUBERCULOSIS IN CHILDREN

Aim. To study clinical and epidemiological aspects of pathomorphosis of extrapulmonary tuberculosis clinical forms. Materials and Methods. Retrospective analysis of 138 case histories in children aged to 15 years, obtaining extrapulmonary tuberculosis treatment in a specialized children's hospital during 1988-2015 was carried out. Among them, in 103 children, clinical forms of extrapulmonary tuberculosis combined with respiratory tuberculosis and in 35 children independent forms of extrapulmonary tuberculosis were found. Studied stage (1988-2015) was divided into 3 periods: I – 1988-1997, II – 1998-2007, III – 2008-2015. During 2008-2015, incomparison to previous periods, the number of cases of peripheral lymph node tuberculosis (PLN), meninges and central nervous system tuberculosis, bones and joints tuberculosis, and ocular tuberculosis decreased. In 2008-2015, the share of combined forms of meninges and central nervous system tuberculosis and ocular tuberculosis remained at 1998-2007 level. During 2008-2015, skin tuberculosis was not diagnosed. Nevertheless, in 2008-2015, in6.8±10.2 % of cases extrapulmonary tuberculosis combined with miliary tuberculosis, and in 5.8±10.4 % of cases the process characterized by lethal outcome, moreover 4.9±10.7% from them – in recent years. It is important that during period I, in 19.6±13.2 % of cases extrapulmonary tuberculosis combined with respiratory tuberculosis in reverse development phases, during period II – in 12.9±19.3 % of cases, during period III – in 23.8±21.2 % of cases. Conclusion. Despite the reduction, extrapulmonary tuberculosis combined with severe forms of respiratory tuberculosis, which led to lethal outcome in children in 5.8±10.4% of cases. Tuberculosis epidemiological situation worsening, reversion of severe forms of tuberculosis with the development of extrapulmonary one and several organs injuries in children shows the necessity of social, preventive and therapeutic measures intensification among children

Determining the Trajectory of the Crane Block Using the Finite Element Method

The paper discusses determining crane block trajectories using the finite element method (FEM). The mathematical formulation for air resistance of hooks’ block is presented with kinematic analysis of the block. The three crane blocks are considered: without wind deflector, with a spherical deflector and a cylindrical fairing. The hook block was assumed as a physical pendulum. The FEM analysis is provided with the hook block movement consideration. Movement trajectories of hook blocks for different wind speeds is depicted and the results are. At the end of the paper, the conclusions are provided with the directions of future research

ANALYSIS OF A FIN DRAG FORCE IN A BIOMIMETIC UNDERWATER VEHICLE

This article presents the analysis of fin drag force in a Biomimetic Underwater Vehicle (BUV). To carry out numerical simulations Incompressible Computational Fluid Dynamics (ICFD) solver was used. The simulation model was verified in the designed laboratory test stand. The laboratory test stand was equipped with specialized sensors for force measurements and control of fluid velocity. An average value of fluid velocity in the water tunnel was measured by specialized high accuracy ultrasonic flowmeter. A vision system was used for analysis of laminar and turbulent flows in the fluid structure interaction area. The research of fluid-structure interaction phenomena was depicted using dimensional analysis