Samira Golchin Mehr - Student Research Committee, School of Nursing and Midwifery, Mazandaran University of Medical Sciences, Sari, Iran.
Elahe Azami - Student Research Committee, School of Nursing and Midwifery, Mazandaran University of Medical Sciences, Sari, Iran.
Mahsa Kamali - Pediatric Infectious Diseases Research Center, Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran.
Hedayat Jafari - Department of Medical-Surgical Nursing, Traditional and Complementary Medicine Research Center, Addiction Research Institute, Mazandaran University of Medical Sciences, Sari, Iran.

Introduction: Since the identification of priorities in planning can be decisive in reducing moral stress, this study aimed to review the impact of adherence to the principles of professional ethics on nursing performance reported in previous studies. Material and Methods: The search strategy in the present review was to screen the relevant studies published from the inception until ۲۰۲۰ on databases of PubMed/Med line, Web of science, CINAHL, Google Scholar, Magiran and SID, the results of which led to the extraction of ۱۷۸۵ related articles. After deleting duplicates and reviewing searched articles by researchers based on relevance, ۲۷ articles were included in the study, ۱۶ of which were excluded due to inaccessibility to the original articles and also writing in languages other than English and Persian. Eventually, ۱۱ articles enrolled in the final analysis. Results: The studies emphasized four basic principles, including ''The effect of training on the development of ethical decision-making'', ''Understanding personnel and their response to ethical considerations'', ''Moral reasoning levels of personnel'', and ''Factors affecting the ethical decision- making of personnel''. Responsibility, improving the quality of patient care, and respect for the patient were the most important principles of professional ethics in nursing, whose full observance had been resulted in the reporting of favorable outcomes in studies. Conclusion: It seems that establishing a peaceful work environment can be effective in promoting adherence to professional ethics in various dimensions by nurses and in reporting misconduct in the workplace.

Nurses' performance, Nursing, Professional ethics