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Articles by Daniel C. Nkwazema
Total Records ( 2 ) for Daniel C. Nkwazema
  Anthony Cemaluk C. Egbuonu , Daniel C. Nkwazema and Lawrence U.S. Ezeanyika
  The health concerns about working in a petroleum depot without wearing a Personal Protective Equipment (PPE) warranted this study. The anthropometric, lipid profile and blood pressure status were assessed by standard methods in asymptomatic adult male depot workers (n = 64) and male university students (n = 64), in Calabar metropolis, Nigeria. The concentration (mmol L-1) of total cholesterol (5.21±0.90), triacylglycerol (1.23±0.20) and very low density lipoprotein (0.56±0.19) respectively in the serum of the depot workers were significantly (p<0.05) higher than in the control (5.09±0.04, 1.15±0.04 and 0.52±0.09). The body weight (73.75±0.11 kg), height (1.72±0.1 m) and body mass index, BMI, (24.58±0.73 kg m‾2) of the depot workers were higher (p>0.05) than that of the control. The Blood Pressure (BP) of the exposed group (120/90±1.38 mmHg) and the control (120/80±1.14 mmHg) differed only in the Diastolic Blood Pressure (DBP) by 10 mmHg and in the calculated systolic to diastolic blood pressure ratio (SBP:DBP) by 0.17. The study suggested cardiovascular risks and impaired lipid metabolism in the petroleum depot workers. The health implications of this study warrant a follow up perhaps, in a larger population and sample size. The study underscored the need for the petroleum depot workers to wear personal protective equipment and to assess their health status on a regular basis.
  Anthony Cemaluk C. Egbuonu and Daniel C. Nkwazema
  The health concerns for petroleum workers warranted this study in asymptomatic exposed (n=64) and control (n=64) groups. The serum activity (IU L–1) in the exposed group for alanine amino transferase, ALT (49.25±5.28), aspartate amino transferase, AST (68.23±6.95), alkaline phosphatase, ALP (59.23±7.21) and gamma glutamyl transpeptidase, GGT (36.06±6.99) was comparatively higher (p<0.05) than that in the control (21.56±7.68, 47.89±7.14, 29.53±6.31 and 18.11±4.00, respectively) by 128.43, 42.47, 100.58 and 99.12%. The serum concentration for total bilirubin, TB (22.89±6.78 μmol L–1) and conjugated bilirubin, CB (17.65±4.77 μmol L–1) in the exposed group was higher (p<0.05) than that in the control group (11.59±2.10 and 7.53±1.71 μmol L–1) by 97.50 and 134.40%, respectively whereas the computed TB:CB ratio (1.30±1.62) was lower (p<0.05) than that in the control group (1.54±2.33) by 15.58%. Aside the AST:ALT ratio (1.39±1.26) that was lower (p<0.05) than that in the control (2.22±1.84) by 37.39%, the other observations in the exposed group for computed serum ALT:AST ratio (0.72±2.42), ALT:ALP ratio (0.83±2.33) and CB:TB ratio (0.77±2.72) were higher (p<0.05) than that in the control (0.45±3.45, 0.73±2.04 and 0.65±3.11) by 60.00, 13.70 and 18.46%, respectively. The study suggests dysfunctional liver and other organs, with the attendant health implications in the petroleum depot workers, highlighting the need for health caution and protection.
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