The Effects of Argan Oil in Second-degree Burn Wound Healing in Rats.

Argan oil, produced from the kernels of the argan tree (Argania spinosa), has been shown to have antioxidant properties. To examine the effect of argan oil in second-degree burn wound healing, an in vivo experiment was conducted among 30 adult male Wistar rats divided into 5 equal groups: a sham group, a control group (burned but no topical agent), a group in which argan oil was applied once a day, a group in which argan oil was applied twice a day, and a group treated with 1% silver sulfadiazine once a day. Second-degree burns were created by scalding hot water (85˚ C for 15 seconds). Treatment began 24 hours after the burn injury; in the argan oil groups, 1 mL of argan oil was administered via syringe to the wound. The rate of wound healing was quantified by wound measurements on days 1, 7, and 14 after burn injury. Tissues were analyzed for molecular and histologic changes in TGF-ß expression and fibroblast activity. Percent contraction of burned skin tissue was determined using the stereo investigator program, which calculated the burn field to the millimeter. Means (SD) were calculated and compared using Duncan's multiple comparison test. The group receiving argan oil twice daily showed significantly increased mRNA levels of TGF-ß1 from 39.66- to 58.70-fold compared to the burn control group on day 14 (P less than 0.05). Both argan oil-treated groups showed significantly increased contraction compared to the burn control group at all 3 timepoints; the group receiving argan oil twice daily had a greater contraction rate (31% on day 7, 76% on day 14) than the silver sulfadiazine group (22% on day 7, 69% on day 14), (P less than 0.05). Histopathological assessments on days 3, 7, and 14 showed greater healing/contraction in both argan oil and silver sulfadiazine groups compared to the control group. These results suggest argan oil is effective in healing experimentally created second-degree burns in rats. Prospective, randomized, controlled clinical studies are needed to evaluate the safety, efficacy, and effectiveness of this treatment modality for patients with second-degree burn wounds.

Self-assessment through videotaping compared with peer and trainer feedback.

OBJECTIVE: To assess and compare three different types of feedback for presentation skills, self, peer and trainer feedback. STUDY DESIGN: Cross-sectional study. PLACE AND DURATION OF STUDY: Faculty of Medicine at Atatürk University, Erzurum, Turkey, from March 2012 to December 2012. METHODOLOGY: Participants were faculty members and instructor nurses. Each participant gave a 10-minute presentation, which was rated by peers, course trainers and the presenter himself/herself using a thirteen-item questionnaire (designed as a 5-point Likert scale). Peers and trainers conducted the assessment during the presentation while the self-assessment was done later by watching a video recording of the presentation. Comparison of the points between the groups was made using the two-way ANOVA. Pearson correlation analysis was conducted to evaluate the relationship between the mean scores of self-assessment, peer and trainer assessment. RESULTS: Ten faculty members, 27 instructor nurses and 4 trainers participated in the study. A total of 775 feedback reports were collected for 37 participants. There was no significant difference between the feedback scores of the evaluators as well as the occupation groups (p > 0.05). There was a strong positive and statistically significant correlation between trainer and peer (r = 0.73, p < 0.001). CONCLUSION: Consequently, there were no differences in the evaluations of presentation skills between different stakeholders. Trainers should use the video recording method to self-evaluate their presentation skills, and they should invite their peers from time to time to improve their own personal development by using peer review methods.

What do trainers think about trainer training courses?

OBJECTIVE: To evaluate the effectiveness of the training-of-trainer courses given to medical school faculty members, and to ensure the standardisation of training.. METHODS: The study comprised faculty members attending seven training-of-trainer courses held at the Ataturk University, Turkey, from November 2010 to May 2011. Tests were administered to the participants evaluating their level of knowledge on course content before and after the five-day course, which covered topics including concepts of teaching/learning, curriculum development, assessment and evaluation, training methods, and training skills. Oral and written feedbacks were obtained from all participants on the last day of each course. Volunteers from among the participants evaluated the impact of training through a questionnaire after at least two months. SPSS 20 was used for statistical analysis. RESULTS: A total of 136 faculty members participated in the 7 training-of-trainer courses. The mean scores for the pretest and post-test were 6.6 +/- 2.2 vs. 13.9 +/- 3.7, (p < 0.001). Questions with highest percentage of correct answers in the pre-test were those about learning style 78 (70.9%) and the one about presentation skills (66.4%). CONCLUSION: A structured training-of-trainer course is effective in increasing faculty members' level of knowledge about training. Such programmes are necessary for faculty members who work in the academic field without receiving formal training in teaching as it is the case with medical education in several countries.

Evidence based medicine: teaching, learning and practice: results of a cross-sectional study from Turkey.

OBJECTIVE: To assess the level of understanding related to the significance of evidence-based medicine among physicians. METHODS: The cross-sectional study was conducted between March and October 2012 using an online questionnaire that was sent out to physicians and academics working as faculty at training hospitals across Turkey. The questionnaire consisted of questions about the knowledge, attitude and behaviour towards evidence-based medicine. Seven of the questions pertained to the learning of evidence-based medicine, six were about teaching evidence-based medicine, and six were about its practice. SPSS 20 was used for statistical analyses. RESULTS: The questionnaire was returned duly filled by 79 physicians. Of them, 41 (51.9%) were males; and 57 (72.2%) were part of the faculty. Only 1(1.2%) participant had attended a course about evidence-based medicine during undergraduate education, while 19 (24.05)had attended one after graduation. Besides, 26 (32.9%) academics were teaching some concepts of evidence-based medicine, and 21 (26.6%) were giving some information about clinical guidelines. CONCLUSION: The study found that levels of learning and teaching of evidence-based medicine among physicians were inadequate. They should be emphasised at both pre- and post-graduate tiers.

L-carnitine alleviates sciatic nerve crush injury in rats: functional and electron microscopy assessments.

Several studies have demonstrated that L-carnitine exhibits neuroprotective effects on injured sciatic nerve of rats with diabetes mellitus. It is hypothesized that L-carnitine exhibits neuroprotective effects on injured sciatic nerve of rats. Rat sciatic nerve was crush injured by a forceps and exhibited degenerative changes. After intragastric administration of 50 and 100 mg/kg L-carnitine for 30 days, axon area, myelin sheath area, axon diameter, myelin sheath diameter, and numerical density of the myelinated axons of injured sciatic nerve were similar to normal, and the function of injured sciatic nerve also improved significantly. These findings suggest that L-carnitine exhibits neuroprotective effects on sciatic nerve crush injury in rats.

Perceived self-efficacy and academic performance of medical students at Ataturk University, Turkey.

OBJECTIVE: To determine the association of perceived self-efficacy with academic performance of pre-clinical medical students. STUDY DESIGN: A cross-sectional analytical study. PLACE AND DURATION OF STUDY: Medical Education Department, Ataturk University, Turkey, from March to May 2012. METHODOLOGY: Participating students were members of the first to third year medical students class considered to be preclinical years at Ataturk University. A validated and reliable questionnaire consisted of 10 questions applied to assess the general self-efficacy of the medical students in pre-clinical years and evaluate whether their self-efficacy has relation to their academic performance. Responses and studied variables were compared using ANOVA and Pearson correlation test as applicable. RESULTS: The mean scores of three consecutive examinations were compared with self-efficacy mean scores of three classes. A validated and reliable questionnaire was used for assessment of self-efficacy. There was no correlation found in between mean examination scores and self-efficacy mean scores in first year (r = -0.11, p = 0.276), second year (r = 0.20, p = 0.180), and third year (r = -0.040, p = 0.749). However, comparison of mean scores between male and female demonstrated significant difference (p = 0.001) and males dominant in self-efficacy scores. CONCLUSION: The results illustrate in pre-clinical years at medical schools the general self-efficacy does not play any role in their performance.

Investigation of the prevalence of essential tremor in individuals aged 18-60 in Erzurum.

Essential tremor (ET) is one of the common neurological diseases and it is the most common movement disorder in adults. The main clinical finding in patients with ET is kinetic tremor in the arms. There is no adequate study investigating the prevalence of ET in Turkey. Therefore, this study was planned in the center of the city of Erzurum in order to determine the prevalence of essential tremor in our region. This study was performed door to door in the center of the city of Erzurum. ET screening questionnaires were administered to all participants between the ages of 18-60 at first stage. Those who answer yes to any of the first five questions of the questionnaire were evaluated. Patients without a clear differential diagnosis were called for examination to the neurology department and they were re-evaluated by a faculty member specializing in movement disorders. Patients were classified by using Washington Heights-Inwood Genetic Study of Essential Tremor diagnostic and clinical evaluation scale. The prevalence of ET was calculated as 1.60 % (64 out of 4,024 participants). 30 of the cases were male and 34 were female. First-degree relatives of 30 patients with ET had a history of tremor. While 52 patients had tremor only in their hands, 11 patients had in various organs including hands. There was isolated head tremor in one patient. ET prevalence was increasing with age. The prevalence of ET in people between the ages of 18 and 60 was calculated as 1.60 %. This value is compatible with other measurements of the prevalence of ET.

[Knowledge, attitudes, and behavior of people living in rural areas of Erzurum about Crimean-Congo hemorrhagic fever]. / Erzurum Ili Kirsalinda Halkin Kirim Kongo Kanamali Atesi Hakkinda Bilgi, Tutum ve Davranislari

OBJECTIVE: After 2002 more and more Crimean-Congo Hemorrhagic Fever (CCHF) cases have been reported and it has become a major public health problem in Turkey. In order to fight CCHF, it is important to inform the public and direct them towards appropriatet attitudes and behavior. Therefore assessment of the effectiveness of health education in the community is essential. METHODS: A research was carried out for this purpose in the province of Erzurum between May 2010 and September 2010 through a survey. RESULTS: The results depicted that the majority of participants have knowledge that CCHF transmitted by ticks and they should be removed as soon as possible from the body through safe methods. However, in terms of correct attitude and behavior, women were found to have a lower level compared with men. CONCLUSION: The training of health workers and an increase in the efforts to make the community, especially the women, aware of this problem is ugently needed.

Topical effects of nebivolol on wounds in diabetic rats.

OBJECTIVE: Recently, it has reported that nebivolol might be useful in the treatment of diabetes mellitus foot ulcers. The aim of this study was to examine treatment of the wounds in streptozotocin-induced diabetic rats with topical nebivolol. METHODS: Two 15 × 15 mm-sized wounds were created in 56 streptozotocin-induced rats. A total of 56 diabetic wounds were studied in eight groups (n=7). No treatment was administered to the first and second groups. The third and fourth groups consisted of diabetic rats that were administered 1:1 mixture of lanolin and vaseline for 7 and 14 days, respectively. Five percent nebivolol plus 1:1 mixture of lanolin and vaseline was administered to rats in the fifth and sixth groups for 7 and 14 days, respectively, and 10% nebivolol plus 1:1 mixture of lanolin and vaseline was administered to rats in the seventh and eighth groups for 7 and 14 days, respectively. On days 7 and 14, wound healing was observed, and the percent of wound healing was determined by measuring its size and histopathologic examination. The ratio was calculated by the formula, healing ratio (%)=100 ×(1-wound area/initial wound area). Statistical analysis was performed by ANOVA with Tukey's HSD test and Mann-Whitney U test, using SPSS 15.0 software. RESULTS: On days 7 and 14, rates of wound healing in the fifth, sixth, seventh, and eighth groups were 57.42%, 89.16%, 60.80%, and 91.80%, respectively. Multiple comparison showed that rates of wound healing were significantly higher in rats administered 5% and 10% nebivolol than those in rats administered a mixture of lanolin and vaseline and in the untreated group (P<0.05). CONCLUSION: Topical nebivolol therapy may be useful for wound healing in diabetic rats. Further studies are needed to support these data.

Maxillofacial fracture experiences: a review of 152 cases.

OBJECTIVE: The fractures of facial structures lead to great morbidity. Cross-sectional studies are needed to evaluate the current state of maxillofacial traumas. Thus, this study aims to evaluate these experiences and to compare these results with the current literature. MATERIALS AND METHODS: The medical records of the maxillofacial fracture cases hospitalized between January 2004 and November 2011 were examined. The age, sex, etiology, fracture localization and treatment method for each case were documented. The affected facial bones were grouped as mandible, maxilla, zygoma, naso-orbitoethmoid complex (NOEC) and blow-out. Nasal fractures were excluded. The cases were assigned to 3 groups with respect to age (below 16, above 65 and between 17 and 64). The chi Square test was used to assess the significance of the difference in mandibular fracture rates in the pediatric population compared to others. RESULTS: The total number of cases was 152. The total number of fractures was 185. Of the 152 cases, 117 were male and 35 were female. The average age was 31.4 (±18.3), ranging between 2 and 81. Thirty-one cases were 16 years old or less. Nine cases were 65 years old or more. Mandibular and zygomatic fractures were the most prevalent fractures in the adult group. Mandibular fractures were significantly more common in the pediatric age group compared to rest of the population (X(2), p<0.05). Traffic accidents were the most common etiological factor, with a 55.3% ratio. Open reduction and internal fixation was the most frequently conducted treatment modality in all age groups. CONCLUSION: Retrospective studies are important for the projection of future prospects. In summary, our results indicate that pediatric fractures are mostly in the lower face and usually affect the condylar region, which is consistent with the literature.

Tuberculosis in patients on hemodialysis in an endemic region.

Clinical presentation of tuberculosis is different in hemodialysis patients than in the general population. This study aimed to analyze hemodialysis patients with tuberculosis in Istanbul. Patients who were on a chronic hemodialysis program in Istanbul for more than 3 months and diagnosed to have tuberculosis at least 3 months after the start of hemodialysis were included. To discard the effect of immigration from other cities, we included only patients who had started their dialysis program in Istanbul. Their demographic and clinical data were analyzed using Statistical Package for Social Sciences for Windows ver. 13.0. Of the 925 patients screened from 7 different centers, 31 (3.35%) were found to have tuberculosis. The mean age was 52.3±13.5 years. The male/female ratio was 18/13. The mean duration of dialysis therapy and the duration of dialysis till the diagnosis of tuberculosis were 62.6±54.3 and 21.7±25.7 months, respectively. Extrapulmonary tuberculosis constituted 48.39%. Treatment ended with a cure in 18 (58.05%); was still ongoing in 12 (38.70%) patients; and 1 (3.25%) died of pulmonary tuberculosis. The lower incidence of tuberculosis compared with previous reports may be related to the differences in the diagnostic criteria and the decrease in the rate of tuberculosis during recent years. The demographic and clinical parameters of the patients were quite similar to the average dialysis population in Turkey. Hence, we cannot address a subpopulation with additional risk. It is important to prevent tuberculosis in hemodialysis patients due to difficulties in the diagnosis and treatment. Thus we recommend routine screening of hemodialysis patients and effective isolation and treatment of infected patients.