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Articles by M. Neghab
Total Records ( 5 ) for M. Neghab
  M. Salehi and M. Neghab
  Fasting during holy month, Ramadan, is a religious obligation for all adult healthy Muslims. During this month Muslims are allowed to eat and drink between sunset and dawn. However, they are not allowed to eat and drink after dawn. To assess the effects of fasting on weight, BMI (Body Mass Index) and some blood indices, we recruited 28 overweight male volunteers aged 20-26 years. They were on a balanced diet of 2000 calories, containing 70 g protein, 350 g carbohydrate and 35.5 g lipid during Ramadan, while they were on a free diet before Ramadan. Subjects were requested to drink more than 6 glasses (about 1.5 L) of water or fruit juice every night between sunset to dawn during Ramadan. Serum levels of glucose, cholesterol, triglyceride as well as weight and BMI were measured in all subjects one day before and after Ramadan. Fasting resulted in significant (p<0.05) decreases in the mean values of both, weight and the BMI. Similarly, the mean values of glucose and cholesterol were significantly decreased in subjects after Ramadan, although none of these decreases reached to a level with pathological significance. Conversely, no significant changes in serum levels of triglyceride were noted.
  M. Neghab , H.A. Gorgi , M.A. Baghapour , A. Rajaeefard and M.D. Moemenbellah-Fard
  The aims of this study were two fold; first to evaluate the degree of microbial contamination of the exposed and covered pools with selected groups of bacteria (major indices of water contamination) and second to assess the relationship between the degree of contamination and variables such as the mean value of residual chlorine, pH, temperature, etc. in the pools. Accordingly, numerous water samples were taken from all active pools and using the standard methods, were analyzed for bacteriologic and physicochemical properties. The data indicate that 51.3% of the total samples were contaminated with Pseudomonas. Furthermore, 16.6, 11 and 7% of the total samples were contaminated with Escherichia coli, fecal coliforms and streptococci, respectively. The mean value of residual chlorine in Pseudomonas contaminated samples was 0.45 mg L-1. However, the corresponding value for non-contaminated samples was 1.052 mg L-1 and the difference was statistically significant (p<0.02). Similarly, 26.3% of the samples collected from the covered pools and 53.9% of those collected from exposed pools were contaminated with Pseudomonas. Statistical analysis of the data revealed that there was a significant difference (p<0.02) between the degree of contamination with Pseudomonas in exposed pools as compared to that of covered pools. Additionally, our data show that the source of water supply is also a major determinant of the degree of contamination. Surprisingly, public pools filled with well water were found to be less contaminated with different germs as compared to those filled with normal tap water. Moreover, the mean value of residual chlorine in E. coli contaminated samples was significantly different (p<0.0008) from that of non-contaminated samples. Exposed pools were found to be more contaminated with E. coli than covered pools. However, this difference could be attributed to a significant difference between the mean values of residual chlorine in these two different types of pools. Similar observations were made for contaminated and non-contaminated samples with fecal streptococci and coliforms. There was an inverse relationship between the number of coliforms and the mean value of residual chlorine in the pools. In conclusion, the observation that public pools in Shiraz, apart from a few exceptions, were generally contaminated with different germs, calls for a more strict supervision on the pools by the health authorities. In the absence of such supervision, contaminated pools continue to pose a significant risk to the health of swimmers.
  M. Neghab , S. Moosavi and M.D. Moemenbellah-Fard
  The main purpose of this study was to identify possible positive cases of intestinal parasitic infection among the catering staff of a university canteen, thus preventing possible morbidity and protecting the health of the consumers. All 39 catering personnel were examined in a descriptive, cross-sectional study. Blood, urine and three stool samples on three consecutive days were collected from each person. To diagnose the presence of parasitic infections, Formalin-Ether Concentration Technique (FECT), Direct Fecal Smear (DFS) test and Scotch-tape test were used. The data indicated that intestinal parasites were present in 59.4% of the food handlers examined. Among these 26% were infected with pathogenic parasites and 33.4% infected with non-pathogenic parasites. The most frequently-observed intestinal parasites were Blastocystis hominis, Entamoeba coli, Giardia lamblia, Chilomastix mesnili and Taenia saginata, respectively. The observation of a relatively high prevalence rate of parasitic infections among university catering staff with respect to their sensitive job which is almost, quantitatively, in agreements with the findings of other investigators in other parts of the country calls for a most strict supervision on the side of the responsible health authorities. Furthermore, it emphasizes on the importance of personal and public health education on pathogenic intestinal parasites and methods of their prevention and control. Similarly, it indicates that food handlers should undergo compulsory periodic clinical tests and obtain health certificates.
  Fakoorziba , M.R. , M. Neghab , H. Alipour and M.D.Moemenbellah-Fard
  Crimean Congo Haemorrhagic Fever (CCHF) is an acute fatal viral infection caused by a virus from Bunyaviridae family, genus Nairovirus. The virus has been isolated from at least 31 species of ticks: among them Hyalomma species are the most important vectors. Geographically, CCHF is a widespread viral infection. Its mortality rate in Iran has been estimated to be 29.6 and 11.9% in 1999 and 2000, respectively. The majority of CCHF cases could be prevented. However, in order to identify and prioritize areas for prevention, to the best of authors` knowledge to date, no systematic study has been carried out in Fars province, Iran, to assess the extent, frequency and major outcomes of this fatal infection. The current descriptive retrospective case series study was, therefore, undertaken to address some of these issues. Data on CCHF cases for a period of four years (2001-4) were collected from different official sources in Iran. Data were categorized and analyzed by SPSS software, version 13/5. Gender, age, occupation, seasonal distribution and outcome of the disease were considered in data analysis. A total of 45 cases had been registered during the study period of which 29 were suspected and 16 were confirmed cases. CCHF was more common in men (85.5%) than in women (14.5%). Similarly, the disease was more prevalent in the 20-29 years old age group (37.5%). Nineteen cases (42%) resulted in death. Seasonal distribution of the infection revealed that it was more common in spring (37.5%). Additionally, 38% of the CCHF cases occurred among butchers, slaughterhouse workers, farmers and shepherds. The case fatality rates for the suspected and confirmed cases were 55.1 and 18.75%, respectively. Data gathered from different areas of Fars province showed that out of the 18 species identified to be the potential vectors of CCHF, 13 exist in this geographical area. In conclusion, the observation that butchers, slaughterhouse workers, farmers and shepherds form the most commonly affected occupations, indicate areas where preventive interventions, in particular health education efforts, might be usefully targeted.
  M. Neghab , E. Soleimani and A. Rajaeefard
  The n-hexane is widely used in the production of glues, lacquers, paints, plastic and rubber products. Therefore, a significant potential for exposure to this toxic solvent exists in industrial settings. This study was carried out to assess the individual exposure of workers to n-hexane and their urinary concentration of free 2, 5-hexanedione were determined. Thirty-eight male workers from 6 shoe making workshops were studied. Individual exposure of workers to n-hexane and their urinary concentration of free 2, 5-hexanedione were determined. Data were analyzed using the SPSS/PC statistical package version 16.0. The calculated time-weighted average exposure to n-hexane and the average urinary concentration of free 2, 5-hexanedione were estimated to be 76.8 mg m-3 and 0.241 mg L-1, respectively. A good correlation (r = 0.815) was found between time-weighted average exposure to n-hexane and urinary levels of free 2, 5-hexanedione. Significantly higher urinary concentrations of free 2, 5-hexanedione detected in subjects who did not wear gloves. Our data indicate that workers’ average exposure to n-hexane and the levels of free 2, 5-hexanedione in their urine did not exceed the current proposed threshold limit value and biological exposure index for this chemical. Additionally, our findings provide further evidence in favor of the notion that free 2, 5-hexanedione is an appropriate indicator for biological monitoring of workers exposed to n-hexane. Finally, it is implied that dermal exposure also plays an important role in the overall absorption of n-hexane by the human body.
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