mehdi salami

After the collapse of the bipolar system and the changes in the international system in the age of globalization, many concepts of international relations underwent changes and interpretations. In the meantime, one of the basic concepts of international relations that underwent a change in meaning is the concept of security, in such a way that security changed from a one-dimensional state of mere military to a comprehensive multi-dimensional state. The evolution of the concept of security has changed and transformed the political-economic strategy of many great powers, including China, in the Persian Gulf region. In this article, based on the title of the article, an attempt has been made to answer the question that the evolution of the concept of security has left an impact on China's politicaleconomic strategy in the Persian Gulf region. In response to this question, this hypothesis has been studied and paid attention to, that the evolution of the concept of security on China's politicaleconomic strategy in the form of a transition from one dimensional military security to comprehensive security has caused China to pay attention to multiple components of security such as political security. , economic, military and cultural in the Persian Gulf region. In order to understand and infer the transformation of China's political-economic strategy in the region, four important categories and issues of the role and importance of energy in China's relations with the countries of the Persian Gulf region, China's commercial exchanges with the countries of the Persian Gulf region, the examination of China's political strategy in the Persian Gulf region and The importance of the Persian Gulf region has been studied and investigated based on the road belt plan. The research method in this article is descriptive-analytical.

Olympic solidarity is one of the key International Olympics committee’s commissions. This commission tries to support its members all across the world using its vast financial resources. Organizing technical courses for couches all around the world is one of the main programs held by this commission. This study aims to explore the position of women in the aforementioned courses throughout a 24-year period, from Barcelona Olympic to Rio Olympic. This is a qualitative research with a general multi-dimensional approach. The study population includes all the technical courses held in Iran upon the request of Iranian Olympics committee between the years 1993 to 2016. According to the study, the average participation of women in technical courses is very low, and among the 77 courses, only four of them were exclusive to women. In addition, the women’s participation rate was the highest between the years 2008 to 2012 and it was the lowest between the years 2012 and 2016. Considering the latest guidelines issued by International Olympics committee (IOC) which encourages women to participation and aims to increase their participation rate to 50%, it is imperative for the Olympic Solidarity Commission to revise its plans in accordance to this guideline for the 2020 Olympics.

Regarding the prevalence of postoperative pain of impacted wisdom tooth and the fact that Pregabalin herbal medicine has been reported to reduce the pain, and to determine the effect of its consumption/ non-consumption on the amount of pain after surgery of Impacted Wisdom Tooth, this study was conducted at 2018 in Department of Oral 7 Maxillofacial surgery, Dentistry faculty, Tehran medical sciences, Islamic Azad University.

This study was performed as a split Mouth-type clinical trial. A total of 30 patients who referred for pulling out the two-way impacted wisdom tooth and, after justifying the plan, they announced their written and informed consent to collaborate with the plan. One side of the jaw is randomly assigned to the control group and the other to the experimental group. The dentist surgeon and consuming material were the same. In the experimental group, half an hour before surgery, one pregabalin 300 mg was prescribed with 50 ml of water but the control group did not receive the drug. The surgical distance in 2 sides was 2 weeks and the pain was measured at intervals 2, 4, 6 and 8 hours after surgery based on 10 VAS and assessed by Mann-U-Whitney and Kruskal Wallis tests.

The study was performed on 30 or 60 samples, 70% of the samples were male and 30% were female at the age of 31±8.2.The pain level was similar in 2 groups at the second hour (P<0.6) but at the 4th hour  it was 5.63±1.94 and 3.7±1.56  in  control and experimental gourps, respectively.At 6th hour, it was 6.93±1.95 and 4.55±2.2 in control and  experimental groups and at 8th hour, 8.35±1.76 VS 5.9±1.94, respectively. (P<0.01) and (P<0.002).

It seems, Pregabalin reduces the pain in Impacted Wisdom Tooth surgery and pain reduction raised from 4th to 8th hour.