Background: Global Health Estimates 2015 has shown the stroke as second leading global cause of death and 3rd leading global cause for DALYs for year 2015. The objectives of this study were to determine the frequency, distribution and determinants of hypertension in adult stroke population of D.I.Khan Division, Pakistan. Materials & Methods: This cross-sectional study was conducted in Department of Community Medicine, Gomal Medical College, D.I.Khan, Pakistan from February 1, 2017 to April 30, 2017. A sample 217 was selected with margin of error 5.59%, 90%CL and 50% prevalence of hypertension in 200,000 adults at risk of stroke population through consecutive sampling. All indoor adult patients of stroke were eligible. Sex, age groups, and residence and presence of hypertension were variables. Frequency and distribution of hypertension were analyzed by count and percentage. Hypotheses for distribution were substantiated by chi-square goodness-of-fit and of association by chi-square test of association. Results: Out of 217 patients with stroke, 123 (56.7%) were men and 94 (43.3%) were women, 86 (39.6%) were≤60 years and 131 (60.4%) were>60 years, and 105 (48.4%) were urban and 112 (51.6%) were rural. Frequency of hypertension was 132/217 (60.83%). Out of 132 patients with hypertension, men were 74 (34.10%), women 58 (26.73%), age group≤60 years 46 (21.20%), >60 years 86 (39.63%), urban 72 (33.18%) and rural 60 (27.65%). Presence of hypertension was associated to residence (p=.023) but not to sex (p=.817) and age groups (p=.072). Conclusion: Frequency of hypertension in adult stroke population of D.I.Khan Division, Pakistan was found to be similar as expected. Frequency was more in men, in older age group (of>60years) and in urban population. The presence of hypertension in adult stroke population of D.I.Khan Division was associated to residence but not to sex and age groups.
Piezoelectric actuators are widely used in many fields such as medical instruments, optics, and aerospace due to their small size and high reliability. Piezoelectric cantilever actuators are used in different configurations such as unimorph and bimorph. In this paper, a 3-D lead zirconate
titanate (PZT) bimorph was modeled in COMSOL Multiphysics software for investigation of series and parallel configuration. Theoretical analysis has been developed for the measurement of deformation of a piezoelectric cantilever in inverse piezoelectric effect. The experiment was also performed
to examine the deformation of piezoelectric bimorph cantilever. It is found that under a constant applied electric field of 100 V bimorph piezoelectric actuator produces maximum deformation at 100 mm length, 30 mm width, and 20 mm thickness. It is also found that
piezoelectric series benders have relatively less deformation than piezoelectric parallel benders. Experimental results show good agreement with theoretical and Numerical results.
The purpose of this study is to examine influence of trade deficit and external debt on performance of economy of Pakistan during 1980- 2017. GDP is used as dependent variables while trade deficit, gross capital formation, exchange rate, labor force, manufacturing value added and total external debt are used as explanatory variable. The short-run, long-run association and stationarity of data amongst variables are obtained by applying vector error correction technique and Johansen Co-integration test. The study reveals that there is a statically important and negative influence of the trade deficit on GDP while total external debt also has a harmful impact on GDP. Moreover, results show that there is an optimistic and noteworthy connection among gross capital formation and GDP and Gross domestic product is positively influenced by Exchange rate, labor force and manufacturing value added. The association between total external debt and gross domestic product is negative and significant, it means when total external debit increases gross domestic product decrease. Government of Pakistan should create persistent strategies marked at differentiating economic actions so as to give nation prosperous sources of budget financing instead of trusting much on external borrowings.
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