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Effect of L-Arginine Supplementation on Antioxidant Enzyme Activity, Total Antioxidant Capacity and Body Composition in Patients with Pre-Diabetes
Siavash Fazelian, Ahmad Saedi Someeh Olia, Mrayam Mirftahi, Mostafa Hoseini, Haleh Sadrzade Yegane, Javad Heshmati, Nazli Namazi,
Volume 16, Issue 9 (12-2013)
Abstract

Background: Considering that pre-diabetes is one of disorders that increases developing of diabetes, this study was performed to investigate the effect of L-Arginine supplementation on antioxidant enzyme activity, total antioxidant capacity, and body composition in patients with pre-diabetes.

Materials and Methods: A double-blinded randomized clinical trial was performed on 46 pre-diabetic patients. Patients in intervention (n=23) and  placebo groups received  3g/day L-arginine and placebo (three 1gr L-arginine capsules), respectively for 8 weeks. Anthropometric, body composition, and dietary intake assessments, and also biochemical tests were done at baseline and end of study. Total Antioxidant Capacity (TAC), glutathione peroxidase enzyme and superoxide dismutase activity were measured. Paired t-test, independent t-test and ANOVA were used to analyze quantitative variables.

Results: Thirty eight patients (19 subjects in each group) completed the study. After adjusting confounding factors, no significant difference in body composition, anthropometric indices and dietary intake was observed at the end of study (p<0.05 in all factors), but a significant difference in TAC level was observed in the intervention group at the end of study (p<0.001).

Conclusion: Supplemenation with 3gr/day L-arginine for 8 weeks led to raised serum TAC level without changes in body composition in pre-diabetic patients.


Creating a Lip-reading Training Program and Examining its Effect on Speech Recognition in Men Aged 18-25 With Normal Hearing
Seyede Faezeh Fazelian, Ali Mohammadzadeh, Homa Zarinkub, Alireza Akbarzadeh Baghban,
Volume 23, Issue 3 (August & September 2020)
Abstract
Background and Aim: Lip reading is extraction of speech data from the activity of the lower part of face, particularly jaws, lips, tongue, and teeth that is a natural skill in people with hearing loss. The main purpose of lip reading is to increase the independence of people with hearing loss. Looking at the speakers facial movements significantly increase the ability to understand the spoken words, particularly in the environments where noise is present. In fact this reflects the important role of visual signals. In current study we consider the effects of education on lip reading ability by planning and instructing a lip reading program in male subjects.
Methods & Materials: Sara lip reading test 1 and 2 were used for the assessment of lip reading skills and for studying the effects of lip reading training on recognition of speech. This intervention as a semi-experimental study, was conducted on 27 male students, selected by available sampling. For data analysis, statistical analysis of variance with repeated measurements and Mcnemar was used.
Ethical Considerations: This research with the code IR.SBMU.REC.1394.144 has been approved by the ethics committee of Shahid Beheshti University of Medical Sciences.
Results: There were significant differences between Sara lip reading test 1 scores in 2 positions (P=0.000).Lip reading test scores also showed significant differences in Sara lip reading test 2 in 2 positions (P=0.000). Also between the scores of Consonant-vowel, consonant-vowel syllables, in the position before teaching lip-reading and then ,was significant difference (P<0.05).
Conclusion: The findings of this study showed that instructing lip reading has a positive effect on lip-reading ability in people. 

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