نشریه طلوع بهداشت
سال دوازدهم شماره 1 (پیاپی 38، بهار 1392)

Hypertension is one of the most important challenges in human health and is now the most important risk factor for cardiovascular and renal diseases. Thus، using new approaches to manage and treat this problem is important. This study aimed to determine the effect of coenzyme-Q10 supplementation on blood pressure in hypertensive patients.

This randomized clinical trial with a three-month supplementation and participation of 60 hypertensive patients was conducted. Patients were randomly divided into two groups; Placebo (PG) and Experimental EG groups. EG received a capsule containing 100 mg coenzyme Q10 daily but PG did not. S ystolic (SBP) and diastolic (DBP) blood pressure were measured before and twelve weeks after the intervention.

The median SBP before and after the intervention in SG، was 150 and 130 mmHg (P=0. 002) respectively. The same figures in the PG was 150 and 147 mmHg (P=0. 52)، respectively. The median SBP was not significantly different between two groups before intervention، however at the end of the intervention it was significant (p=0. 01). The median DBP before and after the intervention was not significantly different between the two groups، a nd also in each group before and after the intervention was not significant.

This study indicates that supplementation of daily 100 mg of coenzyme Q10 during 12 weeks with conventional treatment in patients with moderate hypertension produces a significant reduction in SBP. So it can be recommend to be used it as a supplement for hypertensive patients.

Today، occupational stress has developed as a global phenomenon which is more affecting all occupational groups and workplaces in all countries. The bus driving job is one of the most stressful occupations. The main objective of this study was the assessment of occupational stress level in Hamadan city-bus drivers.

This cross-sectional study was conducted in spring 1390. The participants، were all Hamadan city-bus drivers. Fifty four drivers were chosen using simple random sampling. The required data gathering was done using Philip el rice standard job stress questionnaire. Data analysis was per formed through Statistical tests such as t-test and one-way ANOVA.

The results indicated that 76% of the drivers are at a high، 16% at a middle and 8% at a low stress level. Job stress score had highest correlation with interpersonal relationships and physical stress، respectively. Furthermore، the results showed that the relationship between job stress and demographic characteristics was not statistically significant (P>0. 05).

High stress level in studied drivers indicated that implementation of a comprehensive stress management program is required. To improve the drivers'' occupational stress، job promotion and security، establish of effective relationship between drivers and supervisors and also providing the conditions for their participation in decision-making should gain a priority.

Puberty as a stage of life is an important developmental process. Teen girls have numerous health care needs and their specific issues should be considered. This study was conducted determine the effect of health belief model in adopting prevention and control of health behaviors during puberty among female high school students in Ardakan city.

This study is a randomized clinical trial of an intervention and non-intervention type. The parhicipants were the first grade secondary school students in the city of Ardakan. The sample was randomly selected. Sample size was 120 being estimated on the basis of similar studies. Data were collected by means of questionnaires. To measure the reliability of the questionnaire، content validity and test-retest reliability were applied. Data were analyzed by SPSS software using indicators such as central tendency and dispersion، paired T-test، chi-square، Spearman correlation coefficient، and ANOVA analysis.

After the intervention، the mean score، perceived susceptibility، perceived severity، perceived benefits، perceived barriers، self-efficacy and behavior of non-intervention in the intervention group had a statistically significant difference، but for the mean action، significant differences were not observed. Knowledge score، perceived severity، perceived benefits، perceived barriers، self-efficacy and behavior before and after the intervention in the control group was statistically significant different، however، the mean score for perceived susceptibility، a cue to action، no significant difference was observed. The mean score of knowledge، perceived susceptibility، perceived severity، perceived benefits، perceived barriers، perceived self-efficacy، action and behavior before and after the educational intervention showed statistically significant difference.

The efficacy and efficiency of the health belief model in adopting of preventive behaviors and controls in adolescent girls about puberty health is supported.

With the dramatic increase in private institutions and hospitals، health services market has become somewhat a competitive market; in this position one of the most important duties of hospitals is to struggle to attract customer. So، the purpose of this research was to determine the most important factors that patients adopt to choose a public a or private hospital.

This research was a descriptive – analyical study. In this study، participants included patients who were in-patients in Shams and Emam Reza hospitals in Tabriz. By the sampling method، 376patients were chosen. Data gathering tool was a researcher-made questionnaire which was made in 2 parts and its validity and reliability was confirmed. Finally Data were analyzed by Chi-Square، T-Test، fisher test.

The results showed that among the factors influencing choice of hospital، emergency، doctor’s recommendation، family income، kind of inssurance، quality of hospital، and education presented to patient about illness، were the most important faehors.

According to the finding، al though factors such as family income، kind of inssurance، quality of hospital services and … were effecive on hospital choice، the role of patients was meager in choosing hospital.

The contamination of nitrate (NO3−) in potable water has become a serious concern in many parts of the world. Increasing nitrate concentrations in drinking water causes two adverse health effects: induction of “blue-baby syndrome” (methemoglobinemia)، especially in infants، and the potential formation of carcinogenic nitrosamines. The objective of this study was to investigate the nitrate removal using modified pumice with iron and determining the adsorption isotherms and kinetic.

This fundamental and practical study was performed in batch conditions and room- temperature. Effects of the process parameters such as contact time، initial concentration and pH were investigated. In this study، Langmuir and Freudlich isotherms was survey to adsorption reactions and to calculate the equilibrium constant. Residual nitrate concentrations determined in 220 and 275 nm using a spectrophotometer (UV /VIS (Shimadzo-1700، Japan.

Results of literature indicated that removal nitrate depend on Freundlich (R2>0. 998). In the study kf was 0. 14 and amount of adsorbed nitrate was qm (mg/g) =0. 65 for mass unit of modified Pumice. The pseudo second-order is found in the best fitness with the kinetic data.

The results indicate that modified pumice with iron can be employed as an effective adsorbed to removal of nitrate from water solutions.

According to WHO these is priority for finding out the educational needs of women and yong women. Therefore it is essential to studyconcerning teen girls health and puberty health. the objective of this Study is to determine the effect of group discussion as a educational method on promoting the knowldeg of teen girls concerning puberty health who live in welfare boarding centers in Tehran.

This study is quasi-experimental study which conducted in welfare boarding centers of tehran among teen girls age 12-14 years old. Sixty and one eligible teen girls were selected for the study. To gather data a questionnaire was developed which included: Demographic information and awareness questions concerning puberty health which completed before and one month after training. Educational intervention was implemented for 3 month and the data was analysed using SPSS16 software and vilkaksun.

After educational intervention it was found that the mean of knowledge score increased frome 12/85 ± 4/7 to 22/01 ± 2/17. Findings showed that there is statistical significant (P<0/001).

Group discussion as an educational intervention had a positive effect on improving the knowledge of teen girls concerning puberty health. It is concluded then that specific educational intervention can be applied related to puberty health of female adolescents.