Journal of Basic and Applied Sciences  -   Volume 8 Number 2


A Comparative Study of the Antihypertensive Agents on Serum Liver Enzymes ALT, AST and ALP of Hypertensive and cardiac Patients
Aisha Javaid, Ruqaiya Hasan, Aisha Zohra and Zahir Hussain

http://dx.doi.org/10.6000/1927-5129.2012.08.02.35

Abstract: Present study is done to compare serum Liver enzymes including Alanine Aminotransferase (ALT), Aspartate Aminotransferase (AST) and Alkaline Phosphatase (ALP) in hypertensive and cardiac patients. 24 patients were divided into 4 groups according to their treatment with 4 different types of antihypertensive drugs. Group I treated with Beta-blockers (1+1). Group II treated with ACE-Inhibitor once a day. Group III treated with Nitrates once a day. Group IV is taking Diuretics once a day. Data showed non-significant difference in serum ALT concentration in all groups. A significant rise (p< 0.05) in serum AST and ALP levels among hypertensive and cardiac patients is observed, ranging from 24.63-47.33U/L and 110-2484 U/L respectively when compared with normal controls. Thus, not only the risk of cardiac diseases in future might be predicted by altered levels of enzymes ALT, AST and ALP in serum but their concentrations should be monitored during the treatment of cardiac diseases to minimize the risk of cardiac arrest.

Keywords: Angiotensin-II, Catecholamines, Diuretics, Nitrates, Cardiac dysfunction, Liver injury.

 

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The Effect of Grain Size on Radon Exhalation Rate in Soil Samples of Dera Ismail Khan in Pakistan

Tabassum Nasir and Nisar Ahmad

http://dx.doi.org/10.6000/1927-5129.2012.08.02.29

Abstract: Radon concentration and its exhalation rate has been measured from twenty five soil samples collected from seven different locations of Dera Ismail Khan, in the north west of Pakistan. These samples were crushed after drying and passed through sieves with different sizes of pores to get three grain sizes, £0.595 mm, 0.595-2.00 mm and 2.00-4.00 mm of soil. CR-39 based NRPB (National Radiological Protection Board) radon dosimeters have been used to measure the radon concentration and exhalation rates. The maximum average value of radon exhalation rate has found to be: (3.57±0.38) Bq m-2 hr-1 in the samples having grain size 2.00-4.00 mm and the minimum as: (2.21±0.26) Bq m-2 hr-1, in the samples with grain size £ 0.0595 mm. This indicates that the radon exhalation rate increases with the grain size. The maximum average value of radon exhalation rate has been found in samples collected from river side where soil texture is silty clay loam. The obtained values of radon exhalation rate for all the samples are well below the world average value of 57.60 Bq m-2 hr-1.

Keywords: Radon concentration, Radon exhalation rate, grain size, soil texture.

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