An international consensus definition of the wish to hasten death and its related factors

Albert Balaguer, Cristina Monforte-Royo, Josep Porta-Sales, Alberto Alonso-Babarro, Rogelio Altisent, Amor Aradilla-Herrero, Mercedes Bellido-Pérez, William Breitbart, Carlos Centeno, Miguel Angel Cuervo, Luc Deliens, Gerrit Frerich, Chris Gastmans, Stephanie Lichtenfeld, Joaquín T. Limonero, Markus A. Maier, Lars Johan Materstvedt, María Nabal, Gary Rodin, Barry RosenfeldTracy Schroepfer, Joaquín Tomás-Sábado, Jordi Trelis, Christian Villavicencio-Chávez, Raymond Voltz

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Abstract

© 2016 Balaguer et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Background The desire for hastened death or wish to hasten death (WTHD) that is experienced by some patients with advanced illness is a complex phenomenon for which no widely accepted definition exists. This lack of a common conceptualization hinders understanding and cooperation between clinicians and researchers. The aim of this study was to develop an internationally agreed definition of the WTHD. Methods Following an exhaustive literature review, a modified nominal group process and an international, modified Delphi process were carried out. The nominal group served to produce a preliminary definition that was then subjected to a Delphi process in which 24 experts from 19 institutions from Europe, Canada and the USA participated. Delphi responses and comments were analysed using a pre-established strategy. Findings All 24 experts completed the three rounds of the Delphi process, and all the proposed statements achieved at least 79% agreement. Key concepts in the final definition include the WTHD as a reaction to suffering, the fact that such a wish is not always expressed spontaneously, and the need to distinguish the WTHD from the acceptance of impending death or from a wish to die naturally, although preferably soon. The proposed definition also makes reference to possible factors related to the WTHD. Conclusions This international consensus definition of the WTHD should make it easier for clinicians and researchers to share their knowledge. This would foster an improved understanding of the phenomenon and help in developing strategies for early therapeutic intervention.
Original languageEnglish
Article numberA25
JournalPLoS ONE
Volume11
DOIs
Publication statusPublished - 4 Jan 2016

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