Estimating the potential life-shortening effect of continuous sedation until death: a comparison between two approaches

Context In some cases, physicians estimate that continuous sedation until death may have a life-shortening effect. The accuracy of these estimations can be questioned. Aim The aim of this study is to compare two approaches to estimate the potential life-shortening effect of continuous sedation until...

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Authors: Bruinsma, M. (Author) ; Rietjens, A. C. (Author) ; Swart, J. (Author) ; Perez, S. G. M. (Author) ; van Delden, J. M. (Author) ; van der Heide, Agnes (Author)
Format: Electronic Article
Language:English
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Published: BMJ Publ. 2014
In: Journal of medical ethics
Year: 2014, Volume: 40, Issue: 7, Pages: 458-462
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Summary:Context In some cases, physicians estimate that continuous sedation until death may have a life-shortening effect. The accuracy of these estimations can be questioned. Aim The aim of this study is to compare two approaches to estimate the potential life-shortening effect of continuous sedation until death. Methods In 2008, 370 Dutch physicians filled out a questionnaire and reported on their last patient who received continuous sedation until death. The potential life-shortening effect of continuous sedation was estimated through a direct approach (question: Did continuous sedation, according to your estimation, hasten the patient’s death? If yes: by how much time?) and an indirect approach (estimated life expectancy minus duration of sedation). The intrarater agreement between both approaches was determined with a weighted κ. Results According to the direct approach, sedation might have had a life-shortening effect in 51% of the cases and according to the indirect approach in 84%. The intrarater agreement between both approaches was fair (weighted κ=0.38). In 10% of all cases, the direct approach yielded higher estimates of the extent to which life had been shortened; in 58% of the cases, the indirect approach yielded higher estimates. Conclusions The results show a discrepancy between different approaches to estimate the potential life-shortening effect of continuous sedation until death.
ISSN:1473-4257
Contains:Enthalten in: Journal of medical ethics
Persistent identifiers:DOI: 10.1136/medethics-2013-101459