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J Pain Symptom Manage. 2012 Jul;44(1):33-43. doi: 10.1016/j.jpainsymman.2011.07.007. Epub 2012 May 30.

The practice of continuous deep sedation until death in Flanders (Belgium), the Netherlands, and the U.K.: a comparative study.

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1
End-of-Life Care Research Group, Ghent University & Vrije Universiteit Brussel, Brussels, Belgium. Livia.Anquinet@vub.ac.be

Abstract

CONTEXT:

Existing empirical evidence shows that continuous deep sedation until death is given in about 15% of all deaths in Flanders, Belgium (BE), 8% in The Netherlands (NL), and 17% in the U.K.

OBJECTIVES:

This study compares characteristics of continuous deep sedation to explain these varying frequencies.

METHODS:

In Flanders, BE (2007) and NL (2005), death certificate studies were conducted. Questionnaires about continuous deep sedation and other decisions were sent to the certifying physicians of each death from a stratified sample (Flanders, BE: n=6927; NL: n=6860). In the U.K. in 2007-2008, questionnaires were sent to 8857 randomly sampled physicians asking them about the last death attended.

RESULTS:

The total number of deaths studied was 11,704 of which 1517 involved continuous deep sedation. In Dutch hospitals, continuous deep sedation was significantly less often provided (11%) compared with hospitals in Flanders, BE (20%) and the U.K. (17%). In U.K. home settings, continuous deep sedation was more common (19%) than in Flanders, BE (10%) or NL (8%). In NL in both settings, continuous deep sedation more often involved benzodiazepines and lasted less than 24 hours. Physicians in Flanders combined continuous deep sedation with a decision to provide physician-assisted death more often. Overall, men, younger patients, and patients with malignancies were more likely to receive continuous deep sedation, although this was not always significant within each country.

CONCLUSION:

Differences in the prevalence of continuous deep sedation appear to reflect complex legal, cultural, and organizational factors more than differences in patients' characteristics or clinical profiles. Further in-depth studies should explore whether these differences also reflect differences between countries in the quality of end-of-life care.

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