Experiences of obesity among Saudi Arabian women contemplating bariatric surgery: An interpretative phenomenological analysis

This is the author's accepted manuscript. The final published article is available from the link below. Copyright @ 2013 The Authors.This study explored experiences of obesity, its perceived causes and motives for surgery, as described by seven Saudi women contemplating bariatric surgery. The women experienced cultural restrictions on their physical and social activities. Obesity embodied these restrictions, attracting stigma and moral failure. Traditional clothing, foods, hospitality norms and limited outdoor female activities were regarded as barriers to weight loss. Bariatric surgery was chosen to protect health and to access normative female roles. Some were encouraged by relatives who had undergone surgery. Opting for surgery reflected both participants’ sense of powerlessness to self-manage weight and the social acceptability, within their family context, of this biomedical approach

Dynamic aspects of relevance : differences in users' relevance criteria between selecting and viewing videos during leisure searches

Introduction. Previous research has investigated the dynamic use of relevance criteria at different stages of the search process. These previous studies have been focused on academic contexts with the result that little is known about the dynamic aspects of relevance criteria use in leisure contexts, specifically for video content. This paper examines the differences in relevance criteria at the stages of selecting and viewing videos for leisure purposes. Method. Twenty-four participants were asked to search YouTube for leisure purposes followed by a semi-structured interview to elicit relevance criteria usage. Analysis. Qualitative content analysis was applied on the data to discover relevance criteria applied in each search stage. Chi-squared tests were carried out to examine significant differences between the stages. Results. Findings showed significant differences between selecting and viewing stages in term of the use of relevance criteria with some criteria being preferred in the selection stage while others are more important at the viewing stage of video interaction. Conclusions. Understanding the changes in relevance criteria during the search process provides new insights about the dynamic aspects of relevance judgment and aids the design of information retrieval systems

Laser induced birefringence in La–Ga–S–O–Gd glass polymer nanocomposites

In this work, we demonstrate a possibility to use La–Ga–S–O–Gd glass polymer nanocomposites as effective materials for photo-induced birefringence. Here we chose PVA as a photopolymer matrix. The photo-induced effects were studied using 8 ns Nd: YAG laser generating bicolor coherent light beams with wavelengths 1064, and 532 nm. The detection of the photo-induced birefringence was carried out using cw He–Ne laser at 1150 nm. The optimal concentration of the nanoglass favoring maximal changes of refractive indices is established. The photo-induced laser power density was changed up to 0.9 GW/cm2. The photo-induced beams were incident at angles varying within the 32° and 52° with respect to the nanocomposite planes. The polarizations of the beams did not play principal role. We discovered an appearance of maximal birefringence equal to about 0.078. The effect is strongly dependent on the nanoparticle sizes and is completely reversible after switching off the laser treatment within several milliseconds. Such features are useful for the recording of optical information and production of gratings with desirable periods

A cross-sectional assessment of health-related quality of life among healthcare providers in Alkharj, Saudi Arabia

Purpose: To determine the current level of health-related quality of life (HRQoL), and evaluate factors influencing it among health-care providers (HCPs) in Alkharj, Saudi Arabia.Methods: A prospective cross-sectional study was conducted among HCPs in Alkharj, Saudi Arabia, using the standardized research tool, BREF-WHOQOL. A self-administered questionnaire was distributed in hospitals, in the medical colleges of Prince Sattam Bin Abdulaziz University, andcommunity pharmacies in Alkharj, Saudi Arabia. Descriptive, comparative, and inferential statistics were performed using SPSS.Results: A total of 289 HCPs agreed to participate in the study, 52 % of whom were female. Most participants were married (69 %), and most had fewer than 10 years of experience (58 %). Statistically significant differences in marital status, education level, income, and year of practice were found that correlated with HCPs’ HRQoL (p ≤ 0.05). Overall, respondents reported an above-average score for all survey items.Conclusion: The results indicate that HCPs see their general quality of life as good - a particularly important consideration in view of the demanding nature of their job. This study will help the concerned authorities to exactly know the current level of HRQoL among HCPs in Alkharj, Saudi Arabia, as well as help in designing better healthcare policies in Saudi Arabia. Keywords: Healthcare providers (HCP), Health-related quality of life (HRQoL), Healthcare policies, Occupational stres

Case report: Restrictive cardiomyopathy presenting with complete thromboembolism occlusion of the terminal part of the abdominal aorta in a preadolescent Saudi girl

Restrictive cardiomyopathy (RCM) is a rare disease in children, accounting for <5% of all pediatric cardiomyopathies. It may be idiopathic or may be a secondary to a systemic disease. The disease is characterized by normal systolic function with impaired ventricular filling caused by stiff ventricular walls. Children with RCM often present with symptoms of exercise intolerance, shortness of breath, weakness, and chest discomfort. Thromboembolism events are an unusual presentation of RCM. We are reporting a preadolescent female from the eastern province of Saudi Arabia who presented with sudden right lower limb swelling, paresthesia, and pain caused by a complete occlusion of the terminal part of the abdominal aorta and both common iliac arteries. Echocardiography revealed dilated atria, normal ventricle dimensions and two floating thrombi in the left atrium. The patient was successfully managed with an anticoagulant, surgical thrombectomy and cardiac transplantation

Laser induced elastooptics in novel Bi2O3, and Pr2O3 doped tellurite rich glasses

We have studied the laser stimulated effects in 70TeO2-10ZnO-10WO3-5TiO2-5Na2O (mol%) glasses doped with 1…5 mol%. of Bi2O3, and Pr2O3, respectively. The photoinduced processes were performed using two coherent beams of 532 nm doubled frequency Nd: YAG pulsed laser at angles varying within 28 to 26 degree. The low-power 532 nm beam has served as a probing one for detection of photoinduced changes. The crucial dependence on the Pr3+ and Bi dopants was observed. This one allows using these compounds for the laser operated optical devices

Effect of dietary honey on intestinal microflora and toxicity of mycotoxins in mice

BACKGROUND: Bee honey is a functional food which has a unique composition, antimicrobial properties and bifidogenic effect. In order to assess whether honey can inhibit the toxic effect of mycotoxins, the present study was undertaken. METHODS: Production of biomass and toxins by Aspergillus parasiticus and Aspergillus ochraceus were followed in media without and with honey. Although aflatoxins and ochratoxin A. were administrated to male Swiss albino mice up to 1 μg and 10 ng/kg body weight/day respectively. The experimental animals were fed diets without our with 10% honey for two months. The changes in colonic probiotic bacteria, determintal colon enzyme glucuronidases, and genotoxicity were followed. RESULTS: Addition of 32% in its media increased the biomass of A parasiticus, while the biomass of A. ochraceus decreased and Ochratoxin A. was not produced. When the honey was added at the ratio of 32 and 48% in the medium. No relationship was found between mycelium weight and production of mycotoxins. Oral administration of aflatoxins (mixture of B(1), B(2), G(1) and G(2)) and Ochratoxin A. induced structural and numerical chromosomal aberrations in bone marrow and germ cells of male mice, whereas, honey treatment reduced the genotoxicity of mycotoxins. Also both toxins induced histopathological changes in liver and kidney. Feeding on diet supplemented with honey improved the histopathological changes in case of aflatoxin group, but not in the case of ochratoxin A. group (except of kidney in two cases). No significant differences were found in the activity of colon β-glucuronidase between group fed diet with or without honey. On the other hand, the colon bifido bacteria and lactobacilli counts were increased markedly in group receiving diet supplemented with honey. CONCLUSION: Substituting sugars with honey in processed food can inhibit the harmful and genotoxic effects of mycotoxins, and improve the gut microflora