International Research SeriesPhysical restraint use in intensive care units across Europe: The PRICE study
Introduction
International studies are undertaken for a number of reasons, including to increase sample size and compare practices or outcomes in different countries (Endacott et al., 2010). They are also, however, fraught with difficulty. This paper has two purposes: firstly, to present findings from a point prevalence survey examining physical restraint practices in intensive care units across Europe and, secondly, to discuss the findings in the context of the methodological limitations.
Section snippets
Background to the study
Restraint is most commonly used in intensive care units (ICUs) to protect the patient from the risks associated with untimely patient-initiated removal of indwelling devices such as endotracheal tubes. Both chemical and physical restraint are used although the prevalence and factors associated with preference and use of each are unknown in Europe. Anecdotally, the practice of using physical restraints in intensive care varies widely, with differing views worldwide about the acceptability of
Study design and methods
A point prevalence survey technique was used in thirty four general ICUs in nine countries. The number of beds in the units ranged from 6 to 24 beds. All patients in the unit on the days of the survey were included. Exclusion criteria were applied at unit, rather than patient, level. Specialist neurosurgery units were excluded from the study, in recognition of the specific challenges to patient management posed by this particular group of patients. Paediatric units were also excluded from the
Results
Thirty-four adult general ICUs in nine countries participated in the study providing data regarding 669 patients with details of physical and chemical restraint in 566 patients. Just over a third (n = 219/566, 39%) were physically restrained; however, the extent of physical restraint varied across units (see Table 1). On the dates of the survey, no patients in the four UK Units or two Portuguese units were restrained and all patients in the single Italian unit were restrained.
Use of physical
Discussion
Previous studies have found similar variation in physical restraint use. In a study of 17 ICUs in the United States (US), Minnick et al. (1998) found that 24% of patients were restrained, although practice did vary across different types of ICU; a study comparing physical restraint practice in 50 patients in one unit in the US with that in 50 patients in one unit in Norway found no physical restraint use in Norway compared to 39% use in the US (Martin and Mathisen, 2005). However, there were
Conclusions
Whilst observational surveys of this nature have their limitations, particularly when undertaken in a number of different countries, they do have some utility in demonstrating variation in practices. This study demonstrated that less than forty per cent of ICU patients were physically restrained on the days of the survey; those that were restrained were more likely to be ventilated, sedated and managed in a unit with a lower daytime nurse:patient ratio. Larger units were more likely to use
Acknowledgements
The research project study was supported by the European Critical Care Research Network of the European Society of Intensive Care Medicine.
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