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The today s most concerning problem in the world is the morbidity and mortality following covid19 infection. The aim of this study is to investigate different factors and their impacts on mortality rate of covid19 patients. In this review article, recent studies from February 2019 to April 2021 were assessed using English and Persian resources. The keywords were Covid19, mortality rate, underlying diseases, and demographic factors which were investigated through PubMed, Web of Science, Science Direct, Iran Medex, Ovid, Scopus, Scientific information database and Magi ran. At first 298 articles were collected. Then titles and abstracts were assessed. Due to inclusive, exclusive criteria, and aims of research, 51 articles were selected and entered to the study. Underlying diseases like hypertension, cardiovascular diseases, diabetes, and obesity could lead to the increase of covid19 complications and mortality by weakening the immune system, producing inflammation, inducing metabolic disorders, coagulopathy, and impairing respiratory system function. Demographic factors like age, sex, race and occupation could affect mortality rate of covid19 patients due to physiologic differences, rate of contacts, and protection measures. The impact of life-style on covid19 complications and mortality and preventing measures needed for modifications could be of high-interest in the future studies. [ABSTRACT FROM AUTHOR]

One of the most important consequences of Covid-19 is delirium, which is often overlooked or forgotten. Therefore, it is very important to consider early diagnosis, standard evaluation, and management of delirium symptoms, and it is necessary for the medical staff to be fully aware of its prevalence and proper management. Therefore, this review study was performed to investigate the prevalence of delirium and its consequences in the elderly with Covid-19. In this study, the prism method was used to review and report standard standard review studies. The present study included research published from 2019 to 2021 in the scientific database of PubMed, Scopus, Google Scholar, SID, Mgiran. After the initial search, 63 articles were obtained, and finally, by studying their abstracts, 14 articles that were in line with the research objectives were reviewed. Findings from these studies showed that approximately one-third to onequarter of the elderly with Covid suffer from cognitive problems caused by delirium. Therefore, the training of more and more health care professionals active in the medical sector in the field of delirium prevention and management, as part of comprehensive medical-psychiatric care for the elderly is needed. [ABSTRACT FROM AUTHOR]

Violence against nurses is one of the growing problems around the world. One of the concerns of health workers is violence at work, which is one of the effective factors in decreasing the working quality and satisfaction of staff and patients. The emergency department, because of its working nature is an environment full of violence and can easily turn to a place for violent behavior. The purpose of this study was to systematically investigate the determination of violence against emergency nurses. This study is a narrative review that searches through databases, Google Scholar. PubMed. SCOPUS, Scientific Jihad Scientific Database (SID), Magiran (Bank of journals of the country). Criteria’s for articles entry included: researches related to emergency nurses, publishing article in Persian or English , the accessibility to the article’s full text. Finally, 15 articles were selected for the purpose of the research. The findings were categorized into 8 main categories, violent characteristics, nurses characteristics, nurses reactions to violence, Reporting rates and reasons for not reporting, violet’s characteristics, Problems that cause violence, Legal dimensions of violence, Violence reduction strategies. Most of the violence against nurses is verbal and then physical; sexual and racial violence have been studied in a few studies. The concerning matter is the low rate of reporting and follow-up after violence which needs to be mitigated by planning and policy. [ABSTRACT FROM AUTHOR]

In recent years, scientific output in the field of medical science has grown dramatically, and the determination of the appropriate index for their measurement is necessary. The purpose of the present study is to review the status of existing scientific and index indicators for the evaluation of scientific outputs in the field of medical sciences. In this review study, using Persian keywords (sciences, indexes, journals, universities, researcher) in the Persian Data bases of Magiran, noormags, Irandoc, National Library, Regional Science, Scientific Information Database (SID), Civilica, and Latin Keywords (Scientometric, indicator, Journals, University, Researcher) External databases were searched by Google Advanced Search, Pubmed, Google Scholar, Scopus, ISI and Research Gate. In this regard, it is attempted to extract the most relevant documents in the period 2005-2019 as follows. As a result of the keyword search in the article title, 28 articles with valid and reliable information were reviewed. The findings from the studies showed that there is a unity in all studies, which the existing indices alone cannot fully evaluate the scientific outputs, and all researchers in their research sought to provide a new index to complement or replace the indices. Therefore, scientific work is a complex activity that needs to be evaluated by more than one metric and the need to use synthetic indices cannot be ignored. Nowadays, scientometrics has been widely used to better understand the strengths and weaknesses and to predict and predict the scientific status of researchers at medical universities. [ABSTRACT FROM AUTHOR]

The meaning of life is one of the most complex issues that have engaged the minds of many theorists. The meaning of life generally involves having a goal or a sense of a single goal in life. Adolescents experience more conflict and psychological distresses compared with others and seek more to find meaning in their lives. Considering the importance of meaning of life in physical and psychological health of adolescents, this study aimed to review the components related to the meaning of life in adolescents. This study was a review that search was conducted in electronic databases such as Google Scholar SID (Scientific Information Database), Magiran, ScienceDirect, PubMed, Web of Science, Ovid and Scopus. The related articles, which were concentrated about adolescents' health, were extracted from 1987 to 2016, and after reviewing the abstracts and full text of the articles ultimately, 42 articles were used for writing. The results showed that components such as mental health, identity styles, life expectancy, religion and social communication play an important role in achieving the meaning of life in adolescents. Considering that the concept of the meaning of life in adolescents is a multifaceted phenomenon that is influenced by several factors, it seems that in order to institutionalize the adolescent's meaning of life and improve their level of health, a multiple approach with the participation of the individual, family and social institutions are essential. [ABSTRACT FROM AUTHOR]