The Combined Effect of Noise and Solvent Exposure on Hearing Loss in the Tire Factory Workers.

Noise and organic solvents are common in many industries and both of them affect hearing. In this study, we estimated the concurrent effect of them on hearing by evaluating the existence of notch in audiograms of workers. The number of 540 persons were enrolled in this study after eliminating workers who had the exclusion criteria.

Effects of long-term oral administration of melatonin on tear production, intraocular pressure, and tear and serum melatonin concentrations in healthy dogs.

Objective: To evaluate the effects of long-term (30-day) oral administration of melatonin on tear production, intraocular pressure (IOP), and concentration of melatonin in the tears and serum of healthy dogs.

Animals: 20 healthy sexually intact adult male dogs.

Procedures: 10 dogs were given melatonin (0.

Patterns and trends of population radiation exposure and projected the risk of exposure-induced death from gamma camera examinations in Yazd Province.

Introduction: The use of nuclear medicine examinations as imaging modalities has recently increased. This study aimed to assess the radiation dose delivered to patients from common diagnostic nuclear medicine examinations and estimate the risk of exposure-induced death (REID). In addition, the frequency of nuclear medicine procedures were evaluated from 2015-2018.

[Spinal ozone therapy].

Clinical/methodological Problem: Technical advances in the field of spinal interventional neuroradiology allow the application of a wide range of targeted, minimally invasive treatment options including targeted spinal ozone therapy for back pain. This article provides an overview of the biochemical, molecular, immunologic, and pharmaceutical mechanisms and delivery techniques of targeted ozone therapy.

Standard Radiological Methods: Computed tomography (CT), conventional X‑ray (fluoroscopy).

ESTIMATION OF DIAGNOSTIC REFERENCE LEVELS AND ACHIEVABLE DOSES FOR PEDIATRIC PATIENTS IN COMMON COMPUTED TOMOGRAPHY EXAMINATIONS: A MULTI-CENTER STUDY.

This study was conducted to determine first local diagnostic reference levels (DRLs) and achievable doses (ADs) for pediatric patients during the most common computed tomography (CT) procedures in Yazd province. The DRL was obtained based on volume CT dose index (CTDIvol) and dose length product (DLP) for four various age groups of children. Data were collected from the most commonly performed pediatric CT scans, including abdomen-pelvis, chest, brain and sinus examinations, at six high-loaded institutes.

[Spondylodiscitis and epidural abscesses].

Clinical/methodological Problem: Spondylodiscitis is an inflammation of the intervertebral disc, which in adults is generally associated with spondylitis of the adjacent vertebrae. It often presents clinically with nonspecific symptoms such as back or neck pain. It may be caused by various pathogens, especially bacteria.

Radiation dose and risk of exposure-induced death associated with common computed tomography procedures in Yazd Province.

Purpose: This survey was conducted to evaluate the radiation dose delivered to the patients through different CT procedures along with its corresponding risks in Yazd province.

Method: Data for the five most common procedures were collected from six institutions from September 2017. The effective dose for each patient was estimated by ImpactDose software.

ESTABLISHMENT OF LOCAL DIAGNOSTIC REFERENCE LEVELS FOR COMMON PROCEDURES OF COMPUTED TOMOGRAPHY IN YAZD PROVINCE.

Objective: The aim of this study was to propose first established diagnostic reference levels (DRLs) in computed tomography (CT) for adults, based on volume-averaged CTDI and dose length product (DLP) metrics in Yazd Province.

Materials And Methods: Six multislice CT scanners located at diverse areas of Yazd Province and seven common procedures were selected for the present study. For each procedure, at least twenty patients 18 years and older were sampled at each institution.

Role of Schwann Cells in Preservation of Retinal Tissue Through Reduction of Oxidative Stress.

The aim of this study was to evaluate the effect of subretinal injection of Schwann cells on preservation of retina by decreasing oxidative stress in Dystrophic Royal College of Surgeons (RCS) rats. Schwann cells were harvested from the sciatic nerve of postnatal day 5, RCS rats. Twenty-five RCS rats randomly assigned to cell and sham groups.

Factors associated with smoking contemplation and maintenance among Iranian adolescents.

Background: Evidence is scarce on which factors contribute to cigarette and waterpipe contemplation and no previous study has examined the factors associated with waterpipe maintenance.

Aims: This study aimed to determine the factors associated with cigarette and waterpipe smoking contemplation and maintenance among Iranian adolescents.

Methods: Factors including depression, risky behaviour, family conflict, attitude to smoking acceptability and self-efficacy were examined using a questionnaire for 5500 adolescents at the smoking contemplation or maintenance stage.

Assessment of the Relationship between Nutritional Knowledge and Anthropometric Indices in Isfahan Children and Adolescent.

Background: Anthropometric indices are one of the ways to assess physical growth and nutritional status of children and adolescents considering the importance of nutrition in children and the role of healthy nutrition in preventing diabetes, obesity and other chronic diseases, the objective of this study is determine the relationship between nutritional knowledge and anthropometric indices in children and adolescents in Isfahan.

Materials And Methods: This survey conducted using multistage cluster sampling on 1776 students aged 15-7 years old in Esfahan province in 2015. Nutritional knowledge was measured by questionnaire and height, weight, and body mass index (BMI) were measured as anthropometric index.

The retroneural approach: an alternative technique for lumbar transforaminal epidural steroid injections.

Background: Compared with other available injection techniques for lumbar transforaminal epidural steroid injections (LTFESIs), the traditionally performed subpedicular approach is associated with a higher risk of spinal cord infarction, a rare but catastrophic complication.

Purpose: To assess the short-term efficacy of the retroneural approach for computed tomography (CT)-guided LTFESIs with respect to different needle-tip positions.

Material And Methods: This retrospective analysis included 238 patients receiving 286 CT-guided LTFESIs from January 2013 to January 2016.

Psychological and Familial Factors of Depression in Relation to Adolescent Smoking Behavior.

Background: Several common factors have been identified for smoking and depression. The The present study explores the relation of psychological and familial factors with depression, by student smoking behavior.

Materials And Methods: A total of 5500 middle- and high-school students were selected in Isfahan province in 2010.

[Kyphoplasty and vertebroplasty for spinal trauma].

Clinical Issue: Minimally invasive treatment of spinal fractures.

Standard Treatment Procedures: Conservative treatment versus spinal surgery.

Treatment Innovations: Minimally invasive stabilization techniques, such as percutaneous (assisted) cementoplasty have been introduced as new procedures.

Better view on attitudes and perceived parental reactions behind waterpipe smoking among Iranian students.

Background: Because of the increasing usage of waterpipe globally, we need to know more about the different factors related to waterpipe and cigarette smoking. Therefore, the present study aims at gaining more insight on waterpipe and cigarette smoking based on perceived parental reaction and appeal and repellent of smoking among adolescents.

Materials And Methods: A cross-sectional survey entitled "Isfahan Tobacco Use Prevention Program" (ITUPP) was conducted among 5,500 adolescents in Isfahan Province, Iran in 2010 using a self-administered anonymous questionnaire.

Smoking motivators are different among cigarette and waterpipe smokers: The results of ITUPP.

The present study explores different drivers of cigarette and water pipe smoking among middle and high school students in Isfahan province. A questionnaire-based cross-sectional study was conducted. Trained staff collected questionnaires and saliva samples for response accuracy evaluation.

The Relationships between Environmental Factors and Violent Behaviors in Adolescent Students of Isfahan, Iran.

Background: Violence is a global issue that has received considerable attention during recent years. Available research has suggested various factors, mostly family and social factors, to possibly affect violence. As previous studies have not examined the relationship between these factors and violent behaviors in adolescents, this study aimed to assess the relationship between environmental factors and violence in adolescents.

Nutritional Knowledge, Practice, and Dietary Habits among school Children and Adolescents.

Background: Although nutritional status of children and adolescents is of great concern various interventions and modifications aiming at promotion of healthy eating behaviors have limited impact due to insufficient understanding of dietary habits between different age groups and genders. The aim of this study in not only evaluation of nutritional knowledge, practice, and dietary habits of primary school and junior high school students in Isfahan province, but also this research explore crucial differences regarding gender and living area of the above-mentioned population in Iran.

Methods: This cross-sectional study was conducted on 4700 primary school and junior high school pupils in Isfahan province.

The Relationship of Parental Education with Knowledge and Practice Level of Middle School and High School Students of Isfahan Regarding Violent Behaviors.

Background: It can be concluded from the existing theories that parental education status, by affecting socioeconomical status of families, can impact the incidence of violent behaviors in teenagers. Therefore, this study was conducted aiming at investigating the relationship between parental education and teenagers' knowledge of violent behaviors and their incidences.

Methods: For this cross-sectional, descriptive-correlational study, a sample of 5500 teenager students from Isfahan province were selected by random cluster sampling and responded to a 61-item questionnaire.

Adolescent Perception on School Environment and Smoking Behavior: Analysis of Isfahan Tobacco use Prevention Program.

Background: School provides a set of condition which is very important determinant for student smoking behavior. This study aims at exploring the association of the school environment on Iranian middle and high school students smoking.

Methods: A self-administered anonymous questionnaire was circulated among 5500 randomly selected students with 98.

Knowledge and Practice of Junior and Senior High School Students Regarding Violent Behaviors in Isfahan Province.

Background: Considering the importance of anger, aggression, violence and other misbehaviours in schoolchildren education, the present study was conducted to evaluate the knowledge and practice of students in Isfahan province regarding violence, in order to figure out the required interventions for violence-reduction.

Methods: In a survey during 2008-2009, 5500 junior and senior high school students of Isfahan province were assessed in a multistage sampling process to determine their level of knowledge about various types of violent behaviors, causes of violence, its consequences, and preventive behaviors. Validity and reliability of the data collection tool (questionnaire) were assessed.

Short-term Effects of a Physical Activity Intervention on Obesity and Aerobic Fitness of Adolescent Girls.

Background: In the past two decades, physical activity has decreased during both childhood and adolescence, and particularly adolescence. It seems that schools are attractive settings in which to implement interventions designed in order to promote physical activity in children; but in Iranian students, few studies have evaluated the effects of such interventions on overweight and obese children. The aim of this study was to evaluate the effects of a short-term school-based physical activity on obesity and aerobic fitness in 12-14 years aged girls.

Tissue-specific somatic stem-cell isolation and characterization from human endometriosis. Key roles in the initiation of endometrial proliferative disorders.

Aim: The endometrial-proliferation related diseases leads to endometrial hyperplasia, i.e., endometriosis.

The Study of "Dihydropyrimidinase Related Proteins (DRPs)" Expression Changes Influence in Malignant Astrocytoma Brain Tumor.

Background: Dihydropyrimidinase Related Proteins (DRPs) have known homologous to the Collapsing Response Mediator Proteins (CRMPs). The DRP gene family has comprised four members, DRP 1, 2, 3, and 4, all out of which have considered to be involved in axonal outgrowth and path-finding.

Methods: The protein has extracted from tumor, normal brain tissues, and then the protein purity has evaluated by Bradford test and spectrophotometric methods.

Report of a patient with complex composites of hepatitis B virus, allergic asthma and diabetes.

HBV is a non-cytopathic virus and cell mediated immune response against this. Humoral mediated immune response are responsible for allergic diseases. Balance between these two subsets of Th CD4+ cells are result of the immune system response.