Introduction: Suicide is one of the leading causes of death worldwide. Treating people with suicidal behaviour often poses a major challenge for professionals and requires specific skills and knowledge. It is one of the most difficult events that health professionals can witness in the course of their careers, and the death of a patient has a greater impact on them than deaths from other causes. Purpose: The aim of the thesis was to present suicide and its consequences for health professionals, coping strategies and to determine whether postvention staff have sufficient support to cope with it. Methods: A review of the literature published since 2013 was carried out. It was searched in February 2023 in the ScienceDirect, CINAHL and Wiley Online Library databases. The keywords used were "suicide AND impact AND patient", "suicide AND impact AND health professionals". The literature selection is illustrated using a customised PRIZMA diagram. The results of the screening are presented using a customised PICO scoreboard and interpreted in the thesis discussion. Results: 18 articles were included in the final analysis. Patient suicide affects healthcare professionals, both personally and professionally. From the initial shock, disappointment, anger, fear of recrimination and legal liability, to the acceptance of the patient's action as part of his autonomy, to personal and professional growth in terms of self-confidence and professionalism. All this can only happen with sufficient support from loved ones, colleagues and management. It must provide them with individual or group psycho-therapeutic treatment and empathic care in all formal or informal procedures after the patient's death. Throughout the literature review, this was missed by many participants. Discussion and conclusion: Patient suicide is still a common traumatic event. The influences on personal and professional practice can be very large and directly interlink and complement each other. There are many different strategies for coping with suicide, but there is no one ideal approach that suits and meets the needs of everyone involved.
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