Vitamin D deficiency can be regarded as one of the overgrowing health problem in all of the world. Evidence from a clinical trial suggested a role for probiotic bacteria in increasing vitamin D. However, probiotic's effect is strain specific and this effect should be confirmed about different strains. The objective was to determine if yogurt fortification with probiotic bacteria, Lactobillus acidophilus La‐B5, Bifidobacterium lactis Bb‐12 either alone or in combination with vitamin D can be a complementary treatment for vitamin D deficiency. The end‐points were vitamin D, cardio metabolic lipid profile, anthropometric indices (weight, height, waist, hip, fat mass, lean body mass) and dietary intake. A 10‐week parallel‐group, double‐blind, randomized and controlled trial was conducted on 140 obese men and women. The participants were randomly allocated to receive 100 grams either 1) plain low‐fat yogurt or 2) probiotic yogurt or 3) vitamin D‐fortified yogurt or 4) probiotic and vitamin D cofortified yogurt. All groups received low‐calorie diet. Vitamin D increased significantly in group 4 (p = .008), group 3 (p = .001) and group 1 (p = .012 with no difference between groups. Vitamin D‐fortified yogurt had the most effect size and showed a significant difference versus plain (p = .018) and probiotic yogurt (p = .002). Regarding lipid profile, there were no significant differences between groups. Data from this study does not support the hypothesis that yogurt fortified with probiotic bacteria, Lactobillus acidophilus La‐5 and Bifidobacterium lactis Bb‐12 either alone or in combination with vitamin D might impose any increasing effect on serum level of vitamin D in comparison with vitamin D‐fortified yogurt.
Background: Both cross-sectional and longitudinal studies show that poor sleep is a health concern related to further psychological and physiological issues during adolescence. To assess subjective sleep quality and sleep patterns among adults, the Pittsburgh Sleep Quality Index (PSQI) is a well and internationally established tool. Here, we established the psychometric properties of the Persian version of the PSQI for adolescents. Method: A total of 1477 adolescents (mean age: 15.47 years; 53.2% females) took part in the study. They completed a booklet on sociodemographic information, the Persian version of the PSQI for adolescents, and the Adolescent Sleep Hygiene Scale (ASHS). We relied on classical test reliability approaches of exploratory and confirmatory factor analyses. Results: Classical exploratory factor analysis yielded the seven-factor solution, with concurrent confirmation and overlap with the dimensions of the ASHS, although correlation coefficients were small to medium. A further factor analysis yielded a four-factor solution, explaining 72% of the variance of the PSQI. Further, three out of these four factors predicted the ASHS overall score. Conclusions: The Persian version of the PSQI for adolescents showed satisfactory psychometric properties. It follows that the Persian PSQI is a suitable tool to assess sleep quality and sleep patterns among adolescents.
Background and Objectives: Assessment is one of the most important factors involved in effective medical education. Direct observation of procedural skills (DOPS) assessment method requires direct observation of learners during the performance of clinical procedures on patients and providing appropriate feedback to learners. This research was carried out to evaluate the effect of DOPS assessment method on the clinical performance of radiology students at Kermanshah University of Medical Sciences.
Background: Although coronavirus disease 2019 (COVID-19) is a respiratory disease, it seems that liver abnormalities are also prevalent in the patients. Objectives: The present study aimed to evaluate liver enzymes in COVID-19 patients. Methods: This descriptive, cross-sectional study was conducted on 111 COVID-19 patients admitted to Imam Reza Hospital in Kermanshah during September-November 2020. The required data were extracted from the hospital files, and data analysis was performed in the Excel software and SPSS version 21. Results: The mean age of the patients was 60.87 ± 15.85 years. 50.5% of patients were female. Among the patients, 38.7% had hypertension, 19.8% had diabetes, and 7.2% had cardiovascular diseases. Moreover, 34.2% of the patients had abnormal aspartate aminotransferase (AST), 17.1% had abnormal alanine aminotransferase (ALT), and 100% had abnormal lactate dehydrogenase (LDH). Conclusions: According to the results, hypertension, diabetes, and cardiovascular diseases were the most common comorbidities among the COVID-19 patients. AST, ALT, and LDH are important indicators of hepatic disorders, which were abnormal in these patients as well. Moreover, the patients aged less than 60 years, male patients, and those with renal disorders had a higher mean ALT.
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