32 research outputs found
The Effectiveness of the ”Creative Thinking Course” in [eveloping Creative Thinking Abilities of a Sample of Students in the Kingdom University in Bahrain
The aim of this study was to identify the effectiveness of the Creative Thinking Course (38121 on developing creative thinking skills (fluency, originality, elaboration, titling, resistance of closure, and the strength of creativity) in Bahraini University Students in the University of Kingdom. The study was based on a quasi-experimental method. Participants were (N=44) university students, (N= 24 female and N= 20 male). Torrance test of creative thinking (non-verbal A & B). Accordingly, this study attempted to verify the following hypothesis: Creative thinking skills are more improved after taking the Creative Thinking Course (38121. The study also sought to examine the differences between females and males in developing their creative thinking skills. The results indicate the effectiveness of the proposed training course in all creative thinking skills. There were significant differences (0.001) in the experimental group on post- non- verbal Torrance test (A, B) in all creative skills, which support the hypotheses of the study. There were no statistically significant differences related to gender differences
Geoengineering characterization of the rock masses of northern face of Jabal Sabir, Taiz city, Yemen
This paper is aimed at thedescription and the geotechnical characterization of the Tertiary granitic rock masses of the northern face of Sabir Mountain, Taiz city, Yemen, for the first time. For accomplishing this task, direct and indirect approaches are adopted. The direct approach is represented by field and laboratory investigations. Field investigations include discontinuity (joints) measurements/evaluation, applied Rock Mass Rating (RMR) system and Geological Strength Index (GSI) system, in addition to field tests, while laboratory investigations encompass physico-mechanical tests carried out on granitic rock materials. Indirect approach for the estimation of shear strength parameters (c, Ø), compressive strength (σcm), tensile strength (σtm) and deformation modulus (Erm) of these rock masses was made by applying the generalized Hoek–Brown failure criterion using geotechnical Roc-Lab software. The laboratory results indicate that the Tertiary granitic rock masses show wide range of variations in their physico-mechanical characteristics owing to degree of weathering /alteration and microfractures. The intact samples of Sabir granitic (Tg) rocks show "Moderate"to "High"density, "Low"to "Medium"porosity, "Good"to "Marginal"water absorption capacity and "Weak"to "Very Strong"strength. Stereographically, three main sets of discontinuities (joints) are identified at each station; however, the fourth joint set occurs, in addition to random joint sets. The discontinuities (joints) trend predominately in NE-SW and NW-SE directions in conformity with the regional structures or faults. According to Jv j/m³values, the degree of jointing of these rock masses are varied from "Moderate"to "High"jointing. These rocks are categorized as "Fair"to "Excellent"quality, "Fair"to "Good/Very Good"quality and "Poor"to "Very Good"quality classes according to RQD, RMRb89and GSI respectively. Values ofthe shear strength parameters (c and Ø) and the other rock mass parameters (σtm, σc, σcmand Erm) show variations depending on the rock mass quality and properties of intact rock. However, in general the values of the rock mass parameters are found to increase with increase in the quality of rock mass and intact rock properties
Comparison of Postoperative Drain Insertion versus No Drain Insertion in Thyroidectomies : Retrospective case-control study from the Sultan Qaboos University Hospital, Muscat, Oman
Objectives: A thyroidectomy is a frequently performed surgical procedure which can result in lifethreatening complications. The insertion of a drain after a thyroidectomy has been suggested to prevent such complications. This study aimed to evaluate the use of surgical drains following thyroidectomies in relation to postoperative complications and mass sizes. Methods: This retrospective case-control study included all thyroidectomies conducted at the Sultan Qaboos University Hospital, Muscat, Oman, from January 2011 to December 2013. Length of hospital stay, readmission, postoperative complications and mass size were evaluated. Results: During the study period, 250 surgeries were carried out on 241 patients. The majority of patients were female (87.2%). Drains were inserted postoperatively after 202 surgeries (80.8%) compared to 48 surgeries (19.2%) without drains. A total of 32 surgeries (12.8%) were conducted on patients with thyroid masses <1 cm, 138 (55.2%) on those with masses between 1–4 cm and 80 (32.0%) on those with masses >4 cm. The association between drain use and mass size was not significant (P = 0.439). Although postoperative complications were more prevalent in patients with drains, the relationship between these factors was not significant (P >0.050). Length of hospital stay was significantly longer among patients with postoperative drains (P <0.010). Conclusion: The routine insertion of drains after thyroid surgeries was found to result in longer hospital stays and did not reduce rates of postthyroidectomy complications. Thyroid mass size should not be used as an indicator for the insertion of a drain after thyroidectomy
Missed Gastric Injuries in Blunt Abdominal Trauma : Case report with review of literature
Hollow viscus injuries of the digestive tract are an uncommon occurrence in blunt abdominal trauma. We report a 39-year-old male who was hit by a vehicle as a pedestrian and admitted to the Sultan Qaboos University Hospital, Muscat, Oman, in 2015. He underwent an exploratory laparotomy which revealed injuries to the distal stomach, liver and descending colon. Postoperatively, the patient was febrile, tachycardic and hypotensive. Abdominal examination revealed distention and tenderness. The next day, a repeat laparotomy identified a gastric injury which had not been diagnosed during the initial laparotomy. Although the defect was repaired, the patient subsequently died as a result of multiorgan failure. Missed gastric injuries are rare and are associated with a grave prognosis, particularly for trauma patients. Delays in diagnosis, in addition to associated injuries, contribute to a high mortality rate
Leiomyoma of the Round Ligament of the Uterus : Case report and review of literature
Smooth muscle tumours of the round ligament of the uterus are rare and can mimic an inguinal hernia. Preoperative diagnosis can be established by a computed tomography scan of the abdomen or an exploration of the inguinal canal. Surgical excision is the curative treatment
Preparation of superhydrophobic and self-cleaning polysulfone non-wovens by electrospinning: influence of process parameters on morphology and hydrophobicity
Electrospinning is used to prepare hydrophobic and self-cleaning polysulfone (PSf) surfaces. The effects of PSf concentration in Dimethylformamide (DMF) solvent and electrospinning process parameters on the surface structure and hydrophobicity are investigated. The experimental results show that depending on PSf concentration, three types of morphologies are obtained: beads, beads-on-strings, and free-beads fibers. The surface hydrophobicity depends mainly on the resultant surface morphology, and the existence of beads increases hydrophobicity. The contact angle (CA) is found to increase from 73° for smooth PSf surface to more than 160° for surfaces formed by electrospinning. Moreover, the contact angle hysteresis (CAH) was generally less than 10° for all the chemistries. It is noted that increasing the PSf concentration leads to the formation of beads-on-string and free-beads fiber structures; this morphological change is accompanied by a reduction in the contact angle. Surface structures are found to be more sensitive to electrospinning feed rate than to electrospinning voltage; however, these two parameters have a negligible influence on the hydrophobicity. Porosity measurements of different chemistries show an average pore size in the range 3–8 microns. The thickness of PSf mats was variable, from as low as 10 μm to as high as 70 μm.King Fahd University of Petroleum and Minerals (KFUPM-MIT Project No. R16-DMN-11)King Abdulaziz City of Science and Technology (Saudia Arabia) (Project No. 11-ADV2134- 04
The Effectiveness of the ”Creative Thinking Course” in [eveloping Creative Thinking Abilities of a Sample of Students in the Kingdom University in Bahrain
The aim of this study was to identify the effectiveness of the Creative Thinking Course (38121 on developing creative thinking skills (fluency, originality, elaboration, titling, resistance of closure, and the strength of creativity) in Bahraini University Students in the University of Kingdom. The study was based on a quasi-experimental method. Participants were (N=44) university students, (N= 24 female and N= 20 male). Torrance test of creative thinking (non-verbal A & B). Accordingly, this study attempted to verify the following hypothesis: Creative thinking skills are more improved after taking the Creative Thinking Course (38121. The study also sought to examine the differences between females and males in developing their creative thinking skills. The results indicate the effectiveness of the proposed training course in all creative thinking skills. There were significant differences (0.001) in the experimental group on post- non- verbal Torrance test (A, B) in all creative skills, which support the hypotheses of the study. There were no statistically significant differences related to gender differences
Insomnia in chronic renal patients on dialysis in Saudi Arabia
<p>Abstract</p> <p>Background</p> <p>Studies have shown that insomnia is a common sleep disorder among patients with end-stage renal disease (ESRD). This study aimed to assess the prevalence of insomnia in Saudi patients with ESRD who are on maintenance dialysis.</p> <p>Methods</p> <p>This was an observational cross-sectional study carried out over a period of five months in two hemodialysis centers in Saudi Arabia. To assess the prevalence of insomnia, we used the ICSD-2 definition. We also examined the association between insomnia and other sleep disorders, the underlying causes of renal failure, dialysis duration, dialysis shift, and other demographic data.</p> <p>Results</p> <p>Out of 227 enrolled patients, insomnia was reported by 60.8%. The mean patient age was 55.7 ± 17.2 years; 53.7% were male and 46.3% were female. Insomnia was significantly associated with female gender, afternoon hemodialysis, Restless Legs Syndrome, high risk for obstructive Sleep Apnea Syndrome and excessive daytime sleepiness (<it><b>P-values: </b></it>0.05, 0.01, < 0.0001, < 0.0001, and < 0.0001, respectively). No significant association was found between insomnia and other variables, including BMI, smoking habits, underlying etiology of renal failure, dialysis duration, association with hemoglobin, ferritin, and phosphorus or dialysis adequacy as measured by the Kt/V index.</p> <p>Conclusion</p> <p>Insomnia is common in dialysis patients and was significantly associated with other sleep disorders. Greater attention needs to be given to the care of dialysis patients with regard to the diagnosis and management of insomnia and associated sleep disorders.</p
Geoengineering characterization of the rock masses of northern face of Jabal Sabir, Taiz city, Yemen
This paper is aimed at thedescription and the geotechnical characterization of the Tertiary granitic rock masses of the northern face of Sabir Mountain, Taiz city, Yemen, for the first time. For accomplishing this task, direct and indirect approaches are adopted. The direct approach is represented by field and laboratory investigations. Field investigations include discontinuity (joints) measurements/evaluation, applied Rock Mass Rating (RMR) system and Geological Strength Index (GSI) system, in addition to field tests, while laboratory investigations encompass physico-mechanical tests carried out on granitic rock materials. Indirect approach for the estimation of shear strength parameters (c, Ø), compressive strength (σcm), tensile strength (σtm) and deformation modulus (Erm) of these rock masses was made by applying the generalized Hoek–Brown failure criterion using geotechnical Roc-Lab software. The laboratory results indicate that the Tertiary granitic rock masses show wide range of variations in their physico-mechanical characteristics owing to degree of weathering /alteration and microfractures. The intact samples of Sabir granitic (Tg) rocks show "Moderate"to "High"density, "Low"to "Medium"porosity, "Good"to "Marginal"water absorption capacity and "Weak"to "Very Strong"strength. Stereographically, three main sets of discontinuities (joints) are identified at each station; however, the fourth joint set occurs, in addition to random joint sets. The discontinuities (joints) trend predominately in NE-SW and NW-SE directions in conformity with the regional structures or faults. According to Jv j/m³values, the degree of jointing of these rock masses are varied from "Moderate"to "High"jointing. These rocks are categorized as "Fair"to "Excellent"quality, "Fair"to "Good/Very Good"quality and "Poor"to "Very Good"quality classes according to RQD, RMRb89and GSI respectively. Values ofthe shear strength parameters (c and Ø) and the other rock mass parameters (σtm, σc, σcmand Erm) show variations depending on the rock mass quality and properties of intact rock. However, in general the values of the rock mass parameters are found to increase with increase in the quality of rock mass and intact rock properties
Amyand’s Hernia: Study of four cases and literature review
The presence of the appendix in an inguinal hernial sac is described as Amyand’s hernia. It is a rare entity which presents mostly at the exploration of the inguinal canal. The appendix may be apparently normal or have all the features of acute appendicitis with its possible complications. We report four cases of Amyand’s hernia which were treated at Sultan Qaboos University Hospital, Oman. All patients underwent appendectomy. In three cases, the inguinal hernia were repaired with Vipro mesh while, in the remaining case, a darning repair was done with Prolene sutures