The objective of this study is to clarify the relevance of qualitative research in the context of critical care and renal dialysis requires using narrative sources. Also specific objectives are to identify the phases or cultural moments that are distinguished in these processes. Research Question: How can the narrative materials contribute to the study of the processes of critical care and/or qualitative research in nephrology? Method and Sources: There have been studies focusing on the narrative of patients who have written their experiences building a literature experience ill (Siles et al., 1997, 1999, 2000). Sources have been used to extract testimony retrospective autobiographies written by people who have experienced the experiences o...