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Evaluation of Horizontal Lip Position in Adults with Different Skeletal Patterns: A Cephalometric Study

Published on: 10th March, 2017

Aim: To evaluate sexual dimorphism in horizontal lip position in adults with different skeletal patterns. Material and Methods: The sample comprised of 120 patients (Females 18 years and above, Males 21 years and above) with no history of previous orthodontic treatment or functional jaw orthopaedic treatment. They were divided into different groups based on the ANB angle and gender. Group I and II included 30 males and 30 females with skeletal class I malocclusion (ANB 0-4 degree). Group III and IV included 30 males and 30 females with skeletal class II malocclusion respectively (ANB above 4 degree). Results: When comparison between males and females (Class I+Class II) was done S-line (p<0.001), B-line (p<0.001), E-line (p<0.001), Holdaways angle (p<0.001) and Merrifield angle (p<0.001) were found to be statistically significant. S-line (p<0.001), E-line (p<0.001) and Holdaways angle (p<0.001) were found to be statistically significant when comparison was done between males and females (Class I). When comparison was done between males and females (Class II) only Holdaways angle (p<0.001) showed a significant statistical difference. Conclusion: Sexual dimorphism was found in various lip parameters. Significant amount of differences were found between Class I and Class II (male and female) subjects.
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Normal Value of Skull Base Angle Using the Modified Magnetic Resonance Imaging Technique in Thai Population

Published on: 20th March, 2017

OCLC Number/Unique Identifier: 7286350678

Purpose: To determine the normal value of basal angle measured using the modified MR imaging technique in Thai population compared with the standard value obtained from the Western population. Material and Methods: We retrospectively evaluated midline sagittal SE T1 weighted MR images in 200 adults and 50 children. The basal angle of the skull base was measured using the modified MR imaging technique described by Koenigsberg et al. The angle was formed by a line extending across the anterior cranial fossa to the tip of the dorsum sellae and another line drawn along the posterior margin of the clivus. The mean values of the basal angles among different age groups and sex were calculated and analyzed. Results: The mean skull base angle of our adult population was 115° (range 100.5°-130°, SD=5.7) with an inter-observer agreement of 0.85, slightly smaller than the previous study from the USA which was 117°. There was no significant difference between the male and female groups. The mean skull base angle in our children population was 114.7° (range 102- 130.5°, SD=6.3) with an inter-observer agreement of 0.89, quite similar to the previous USA study which was 114°. There was no significant difference between adult and children. Conclusion: The mean adult skull base angle measured using the modified MR imaging technique in Thai population was slightly smaller than the Western population, while the mean skull base angle of children was quite similar. The basal angle range of 103.6°-126.4° may be used as a guide for the potential range of normal skull base angles in Thai population and possibly also the Southeast Asian population.
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Visualization and Evaluation of Changes after Rapid Maxillary Expansion

Published on: 30th March, 2017

OCLC Number/Unique Identifier: 7286430438

Objectives: The aim of the study was to develop a mathematical model for the visualization and evaluation of transversal palatal soft tissue changes; and to carry out a statistical evaluation of the changes in vertical and sagittal dimensions after rapid maxillary expansion treatment. Material and Methods: 33 Caucasian children with posterior crossbite, 10 boys and 23 girls, aged 7 to 10 years (median 8 years 8 months) were treated with tooth-borne Haas type expander. Dental casts were digitalized by scanner and on the basis of quantitative mesh shape CPD-DCA analysis, coloured morphometrical maps were created. The statistical significance of individual vertex displacements was calculated by performing Hotelling’s T2 paired test. To determine the significance of the vertical and sagittal profile changes, the paired t-test and Wilcoxon signed rank test were carried out in 20 patients Results: Visualization of the palatal soft tissue widening showed it to be greatest in the areas of the second deciduous and first permanent molars with maximum of 0.75 mm for each palatal side. Hotelling’s T2 paired test showed significant differences of p<0.01 in transversal width dimension. Cephalometric measurements of the changes to vertical and sagittal dimensions were statistically evaluated using the Wilcoxon and paired t-tests, and were shown to have insignificant values of p>0.05. Conclusion: The expansion appliance in children resolved the crossbite and led to palatal widening, which was clearly visualized by creating mathematical morphometric models. The cephalometric measurements carried out did not reveal statistically significant relevance in changes to facial vertical or sagittal dimensions.
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Differentiation of bone marrow cells in arthritic mice with decreased complement activity

Published on: 31st December, 2018

OCLC Number/Unique Identifier: 7985946206

There is evidence that complement components induce cell migration in mesenchymal stem cells and regulate cytokine production in osteoblastic cells thus playing a regulatory role in normal bone formation. The aim of the present study was to investigate the involvement of complement system in the differentiation of bone marrow cells in complement-depleted model of rheumatoid arthritis (RA). Arthritis was induced by intraarticular injection of zymosan in cobra venom factor (CVF)-treated mice depleted of functional complement. The expression of different markers by bone marrow [1], on fibroblasts (CD29), mesenchymal cells (CD105), dendritic cells (CD14, CD86), osteoclasts (CD265), cells expressing Dectin1 (CD369) and megakaryocytes (CD62P) was determined by flowcytometry. The lack of functional complement activity at the point of arthritis initiation (day 3) lead to an increase of fibroblast and megakaryocyte populations, to a decrease of mature and dectin1 positive populations, while the number of mesenchymal cells was not changed, all compared to arthritic mice. Immunohistochemical staining showed that low complement activity diminished arthritis-induced generation of megakaryocytes and platelets in BM. Chronic inflammation during erosive conditions such as rheumatoid arthritis, leads to dysregulated differentiation and prolifеration of bone cells, inflammation of synovial membrane and bone marrow, and degradation of cartilage and bone. Present results point that the lack of functional complement changed the ratio between different cell populations that can be used for determining the development and stage of rheumatoid arthritis and can help finding of new therapeutic approaches.
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A Pancreatic Neuroendocrine Tumor with an Unusual Flush

Published on: 14th August, 2018

OCLC Number/Unique Identifier: 7844643436

A 60-year-old man presented with an unusual history of lower limb flushing. A CT scan suggested a pancreatic neuroendocrine tumor. After a robotic distal pancreatectomy, his symptoms completely resolved. The tumor was positive for synaptophysin and chromogranin. This case emphasizes the importance of recognizing atypical features in patients, especially with an unusual skin presentation that might indicate rare tumor types.
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Cardiac Autonomic Modulation in children and Preadolescents obese

Published on: 23rd May, 2017

OCLC Number/Unique Identifier: 7317595345

Alterations in cardiac autonomic modulation of children and obese preadolescents have attracted the attention of researchers around the world. These alterations cause disorders in the cardiac autonomic control and can interfere in cardiac output and in the homeostatic actions that depends on the cardiovascular system action.
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Behavioral factors of Abdominal Obesity and effects of lifestyle changes with Fiber Adequacy

Published on: 25th July, 2017

OCLC Number/Unique Identifier: 7317598452

The etiology of abdominal obesity is multifactorial and has environmental factors as its most expressive risk factors. This study cross-sectional analyzed the association of abdominal fatness with physical inactivity and food inadequacy of 1,557 subjects, both genders, over 35yrs. old, enrolled in an ongoing epidemiological study. Waist circumference (WC) was the primary variable and demographic, social-economic, anthropometric and dietary intake data, were the co-variables. NCEP-ATP III, WHO, IPAQ-long (version 8) and Healthy Eating Index were used for functional definition of variables. Furthermore, longitudinal data from 50 subjects in an exercise protocol for 10 week receiving either regular diet (G1, n=22) or 30g fiber adequacy (G2; =28), were analyzed. The performed statistical analyses used software SAS for Windows, version 9.1 with p=0.05. In a predominantly female sample (74%), 76% aging 35-60yrs, 64% completed elementary school, 73% were living in a low income household, 77.5% overweight. The 62.5% presenting altered WC values were predominantly older, presented higher body fatness, and were consuming low variety-poor quality diet rich in fat (mainly saturated) and lower in fruit. WC correlated negatively with fruit intake and aerobic capacity (VO2max) but only carbohydrate (positive) and fruit intake (negative) were considered independent risk factors for abdominal obesity. In the longitudinal study, both G1 and G2 groups were similar at baseline and G1 maintained the anthropometry values throughout the experiment. Conversely, G2 decreased total body (4%) and WC (7%) fatness, reducing severe obesity by 16%, minimally affecting overweight and eutrophic rates. G2 presented 211% increase in fiber intake and 150% increase in plasma beta-carotene (colorful-fiber marker). Thus, in conclusion, recommended dietary fiber intake (increased fruit and low CHO intake) and physical activity would be the recommended changes against abdominal obesity and, by associating both physical exercises and dietary fiber there was indeed a decrease in abdominal fatness and obesity, predominantly at its higher grade.
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Body mass index in a group of security forces (policemen). Cross-sectional study

Published on: 26th January, 2018

OCLC Number/Unique Identifier: 7379469032

Introduction: Most police officers work long hours in day and night shifts and this exposure can harm your health. Objective: Know the Body Mass Index (BMI) of a group of policemen of both sexes chosen at random to calculate the degree of overweight / obesity of the observed population. Material and Method: An cross-sectional study was carried out on 75 elements of the municipal police of sexes, obtaining age, height, and weight with which the corresponding Body Mass Index was obtained. Descriptive statistics were used. Results: Measurements were taken at 75 (100%) policemen of both of them sexes, 60 (80%) male and 15 (20%) female. And the following results were obtained: ideal weight 5 (6.6%), overweight 21 (28.0%) elements and obesity 49 (65.3%). Discussion: Obese workers are prone to getting sick, missing work, disability and early retirement when compared to non-obese workers. Obesity can be a predictor of early mortality; therefore, with a BMI of 30-35, life expectancy decreases from 2 to 4 years and with a BMI of 40-45 it decreases from 8 to 10 years. In our study we found 70 (93.3%) policemen were overweight and obese BMI> 25). Conclusions: Our findings recommend the implementation of diverse programs for the improvement of the health of this labor group with a multidisciplinary team as well as the adequate physical spaces for the practice of the corresponding activities.
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Obesity-Treatment by drugs

Published on: 31st December, 2019

OCLC Number/Unique Identifier: 8512989194

The main disturbing situation faced by any individual is obesity nowadays. Obesity occurs because of overweight and this has several reasons to gain weight like hereditary, diabetes, diet, aging, PCOS in women, stress, and tiredness. It is a major, sustaining, worsening condition of energy regulation with severe hereditary and early life natural causes. However, there are ways that we can treat obesity, but the complication emerges with the side effects. One way of treating obese by using lifestyle intervention involving exercise, maintaining a proper diet, and pharmacotherapy. Following this method does not affect much as mostly it includes lifestyle intervention. However, by using lifestyle intervention we could reduce weight to a certain extent only.
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Responding to Disasters: More than economic and infrastructure interventions

Published on: 24th April, 2018

OCLC Number/Unique Identifier: 1051150494

Objectives: Natural disasters confront individuals, communities and governments with the challenge of rebuilding and addressing psychosocial sequelae. With the increasing number of natural disasters it is timely to evaluate the efficacy of interventions and strategies to address the mental health needs of individuals and the community. Method: An evaluation of literature related to the psychological impact of natural disasters, treatment efficacy and government strategies to confront the social and psychological impact of natural disasters for the period 1983-2016 was undertaken. Results: Epidemiological studies following natural disasters despite the use of differing psychological measures demonstrate significant psychological morbidity - anxiety (7-42%), complicated grief (28-41%), depression (6.5-38%), post-traumatic stress disorder (11-89%) and substance misuse (1.3-24%). Intervention studies post-disaster demonstrate efficacy variability. Conclusions: The increase in the number and impact of meteorological and hydrological events since the 1980s and the psychological, social and economic consequences of these events has resulted in the development and implementation of government policies to confront the immediate and long-term adverse outcomes. The focus is typically on resources and infrastructure redevelopment with less focus on social and mental health interventions with long-term evaluation of interventions uncommon. The consequence of natural disasters emphasizes the importance developing strategies to ensure effective evaluated psychosocial interventions are available across at-risk communities.
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