فهرست مطالب محمد کشتکار

Radiographers’ awareness about the principles of radiation protection and the physical principles of digital radiology devices can play an important role in obtaining quality images and reducing the dose of patients. The purpose of this study is to evaluate the level of students and radiologists awareness of Khorasan province in the field of radiation protection principles and physical principles of digital imaging systems.

Methods and Materials:

 A digital radiography questionnaire was used in this study whose validity and reliability were confirmed. The first part of the questionnaire included demographic questions. The second part included 11 questions about the principles of radiation protection and 11 questions about the physical basics of working with digital radiography devices. If the answer is correct, a positive score is given and other options are given a zero score. The third part, which was specific to radiographers, included a question about participating in previous training workshops.

The level of awareness about the principles of radiation protection in radiographers (score 49.08 ± 14.45) was significantly higher than that of students (score 66.63 ± 16.99) (P < 0.05). The level of awareness about physical basics in students (score 54.27 ± 17.09) was significantly higher than radiographers (score 39.36 ± 10.45) (P < 0.05). The level of awareness about physical principles had a significant and negative relationship with age and work experience (P < 0.05).

Radiographer’s level of awareness about the physical basics of digital imaging systems is insufficient. It is necessary to increase radiographer’s level of awareness in this field through the development of continuous training programs.

The educational status of students during their studies in universities is very important. Being aware of the shortcomings and factors related to the educational status and recognizing in a timely manner, it is possible to provide solutions to prevent students᾽ academic failure. Therefore, this research was conducted to study the relationship between educational status and related factors in paramedical students of Gonabad University of Medical Sciences.

This descriptive -analytical study has been done between 2018 and 2020. The study population included students of the paramedical faculty of Gonabad University of Medical Sciences who had spent at least one semester at Gonabad University of Medical Sciences and were selected by census method. Data collection tool was a questionnaire consisting of two parts: demographic information and Pham and Taylor questionnaires that were used to assess the educational status. Data were analyzed through descriptive statistics (Frequency , mean and standard deviation), Pearson and Spearman- Brown correlation coefficient test, independent t- test and one- way analysis of variance by SPSS.

Of the 330 students who were participated in this research, (43.6%) were male and (56.4%) were female. The results showed that (45.8%) had favorable educational status, (53.6%) had average and (0.6%) had unfavorable educational status. There was a statistically significant relationship between academic achievement with marriage (p = 0.006) and field of study (p <0.001). there was a significant relationship between the father’s job and academic achievement (p = 0.008). The results showed that the academic achievement scores of students with average economic status were lower and the grade point average of the whole class who had unfavorable economic status was also lower. In other words, there was a significant relationship between grade point average and economic status (p = 0.026).

According to the findings of the present study, the majority of the students had moderate academic status and some factors related to it were marital status, field of study and parent occupation. In order to promoting academic achievement and preventing students’ academic failure, programs such as student counseling, identifying and helping students at risk, empowering professors to help students and improving their academic motivation can be done.also Providing training workshops and using lesson planning is suggested.

Today, the use of dental radiography equipment in dental centers has increased due to its high application in the diagnosis of dental diseases. As a result, concerns are increasing regarding repeated exposure to this low dose level of radiation. Therefore, the knowledge and practice of dentists about radiation protection are essential for themselves and the patients. This study aimed to assess the knowledge and practice of dentists about radiation protection.

This cross-sectional study was performed based on a questionnaire in several cities of Iran. The first part of the questionnaire included such information as gender, years of work experience, and participation in radiation protection workshops. The second, third, and fourth sections consisted of questions on radiobiology, radiation protection, and performance, respectively.

In this study, 94 dentists participated, and the mean scores of dentists (out of 5 points) for radiobiology knowledge, radiation protection knowledge, and performance were obtained at 2.66±1.1, 2.80±1.01, and 2.87±1.37, respectively. The results of Pearson analysis showed that general knowledge had a significant relationship with performance (P=0.014). There was also a significant relationship between the history of participation in radiation protection workshops and performance (P=0.01).

It was found that more knowledge about the effects of ionizing radiation on the body and more awareness of the principles of radiation protection would help dentists to better observe the practical principles of radiation protection. Also, participating in radiation protection workshops could increase dentists' knowledge, and therefore, improve their performance.