• Fabíola Leite Nogueira and Rioko Kimiko Sakata.
• Department of Anesthesiology, Pain and Intensive Care, Universidade Federal de São Paulo, SP, Brazil.
• Rev Bras Anestesiol. 2012 Jul 1;62(4):580-92.

Background And ObjectivesAlthough there is extensive discussion on the subject in medical literature, most of the questions still unanswered due to the lack of clear definitions and guidelines, in addition to a large number of contradictions in literature. The aim of this review is to try to determine the best form of sedation for patients with cancer.ContentThe following data on sedation were collected: definitions, classifications, major events and indication criteria, selection of drugs used, drugs most used, doses and routes, duration of sedation, nutritional support and hydration during sedation, and sedation at home.ConclusionsAlthough in recent years palliative sedation is being considered a normal medical practice, there are still many gaps in our current understanding. There is no consensus about which are the standard drugs, maintenance or not of food, fluid intake, and hydration. Moreover, there is no ethical clarification on possible life-shortening effects and decision-making process.Copyright © 2012 Elsevier Editora Ltda. All rights reserved.

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