BackgroundGum Arabic (acacia Senegal) is a complex polysaccharide indigestible to both humans and animals. It has been considered as a safe dietary fiber by the United States, Food and Drug Administration (FDA) since the 1970s. Although its effects were extensively studied in animals, there is paucity of data regarding its quantified use in humans. This study was conducted to determine effects of regular Gum Arabic (GA) ingestion on body mass index and body fat percentage among healthy adult females.MethodsA two-arm randomized, placebo controlled, double-blind trial was conducted in the Department of Physiology at the Khartoum University. A total of 120 healthy females completed the study. They were divided to two groups: A test group of 60 volunteers receiving GA (30 gm /day) for 6 weeks and a placebo group of 60 volunteers receiving pectin (1 gm/day) for the same period of time. Weight and height were measured before and after intervention using standardized height and weight scales. Skin fold thickness was measured using Harpenden Skin fold caliper. Fat percentage was calculated using Jackson and Pollock 7 caliper method and Siri equation.ResultsPre and post analysis among the study group showed significant reduction in BMI by 0.32 (95% CI: 0.17 to 0.47; P<0.0001) and body fat percentage by 2.18% (95% CI: 1.54 to 2.83; P<0.0001) following regular intake of 30 gm /day Gum Arabic for six weeks. Side effects caused by GA ingestion were experienced only in the first week. They included unfavorable viscous sensation in the mouth, early morning nausea, mild diarrhea and bloating abdomen.ConclusionsGA ingestion causes significant reduction in BMI and body fat percentage among healthy adult females. The effect could be exploited in the treatment of obesity.
BackgroundBoth obesity and type II diabetes mellitus are associated with insulin resistance and abnormal metabolic reactions. This study was conducted to evaluate resting metabolic rate in obese diabetic patients and to assess its relation to glycaemic control.ResultsThis is a case control study conducted in Gabir AbuEliz centre in Khartoum, Sudan. A random sample of 40 obese diabetic patients (cases) and 40 obese non-diabetic subjects (controls) were interviewed and examined clinically to exclude presence of acute or chronic medical illness. Haemoglobin A1c was measured for each participant using the “NycoCard Haemoglobin A1c test” (Axis -Shield/ Norway). Fasting blood sugar was measured using one touch(R) glucometer (LifeScan Canada Ltd). The PowerLab 8/35 with a gas analyzer (AD Instruments, Castle Hill Australia) was used for measurement of VO2, VCO2 and Respiratory exchange ratio (RER). Resting metabolic rate was calculated using the Weir equation. VO2 (mean+/-SD) ml/min was significantly higher among cases (209.9+/-42.7) compared to the controls (192.4+/-28.1), (P = 0.034). Similarly, VCO2 (mean+/-SD) ml/min was higher among cases (191.4+/-35.0) than controls (178.3+/-22.5), (P = 0.05). Resting metabolic rate “RMR” (mean+/-SD) kcal/day was higher in obese diabetic patients (1480.7 +/- 274.2) than obese non-diabetic subjects (1362.4+/- 184.8), (P = 0.027). Participants with high glycated haemoglobin had higher RMR than those with normal glycated haemoglobin (P = 0.016).ConclusionIt is concluded that resting metabolic rate is significantly higher in obese diabetic patients compared to obese non-diabetics, especially in those with poor glycaemic control.
ObjectivesThe study aimed to examine the quality of the educational environment in the Faculty of Medicine, University of Tabuk, Saudi Arabia, and to compare between male and female students using the Dundee Ready Educational Environment Measure (DREEM). MethodsWe utilized a cross-sectional survey design. Participants were 221 medical students (96 males and 125 females) from all classes (1st to 6th year). Each participant responded to a translated version of the DREEM questionnaire that measures five domains: students' perception of learning (SPL), students' perception of teachers (SPT), students' academic self-perception (SASP), students' perception of atmosphere (SPA), and students' social self-perception (SSSP). Numerical differences between male and female students were analyzed using the Student's t-test. ResultsThe global average score of female students was significantly higher (105.0±22.9, 53% of maximum score) than male students (98.3±24.3, 49% of maximum score; t(219)= -2.119, p= 0.035). The major gender difference was found in the SPT domain, with a higher score in the females (60%) compared to the male (50%) cohort (t (219)= -5.519, p = 0.000). Differences in the other domains were statistically insignificant. Out of the 50 DREEM items, the items that need attention were 32 and 23 on the male and the female sides respectively. ConclusionsThe perception of the educational environment by the female students is significantly better than male students. The study provides valuable information about many educational problems that need attention. DREEM-based surveys are highly recommended for periodic monitoring of the educational environment.
ObjectiveThe objective of this study was to evaluate the cluster of differentiation-38 (CD38) expression in Sudanese patients with chronic lymphocytic leukemia (CLL) and to determine its association with clinical and laboratory characteristics of the disease.ResultsWe conducted a cross-sectional study on 99 patients diagnosed with CLL in Khartoum Oncology Hospital in Khartoum, Sudan. Immunophenotyping and CD38 expression levels were measured with four-color flowcytometry. The results of physical examination and blood analyses were used for assigning a modified Rai clinical staging system. The collected data were analyzed using the Statistical Package for the Social Science, version 22 (SPSS Inc., Chicago, IL, USA). According to our findings, the frequencies of 7%, 20%, and 30% cutoff levels of CD38 expressions were 68.7%, 41.4%, and 36.4% respectively. CD38 cutoff level of 7% showed a significant association with hemoglobin concentration (P = 0.04), whereas other cutoff levels showed insignificant results. All the three cutoff levels showed insignificant associations with the other clinical and laboratory variables. In conclusion, the CD38 expression at a cutoff level of 7% seems to be more valuable clinically than higher cutoff levels in Sudanese CLL patients.
Background: In spite of the great advances in modern medicine, cupping therapy is still used in the treatment of many medical conditions. Objective: To evaluate the general perceptions and the level of awareness about cupping therapy in a sample of Tabuk population. Methods: We conducted a cross-sectional study in Tabuk city, Saudi Arabia, among 200 adult subjects (101 males and 99 females), during the period from January to August 2015. Each participant responded to an anonymous self-administered questionnaire requesting information about his/her age, gender, educational level, as well as their knowledge, attitude, and perceptions of cupping therapy. We utilized the Statistical Package for the Social Sciences version 20 for data analysis. Results: About 41% of the participants do not recommend cupping for children and only 3% do not recommend it for women. Less than 7% of all participants would try cupping before seeking medical advice, and about 8% prefer cupping instead of medications. The percentage of those who prefer specialized centers for cupping therapy were 49% and those who recommend cupping to be confined for certain diseases were 45%. The risk of contamination with the cupping instruments is known to 46% of all participants. All these results were not related to educational attainment (P > 0.05). Conclusion: A considerable percentage of the community has a strong belief in cupping therapy as a modality of treatment for some medical conditions; however, the efficacy of cupping remains to be clarified.
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