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Interventions to Improve Hand Hygiene Compliance in the ICU: A Systematic Review

Lydon, Sinéad PhD1; Power, Michael FJFICMI, FACP2; McSharry, Jennifer PhD3; Byrne, Molly PhD3; Madden, Caoimhe MSc1; Squires, Janet Elaine PhD4,5; O’Connor, Paul PhD1

doi: 10.1097/CCM.0000000000002691
Online Review Articles

Objectives: To synthesize the literature describing interventions to improve hand hygiene in ICUs, to evaluate the quality of the extant research, and to outline the type, and efficacy, of interventions described.

Data Sources: Systematic searches were conducted in November 2016 using five electronic databases: Medline, CINAHL, PsycInfo, Embase, and Web of Science. Additionally, the reference lists of included studies and existing review papers were screened.

Study Selection: English language, peer-reviewed studies that evaluated an intervention to improve hand hygiene in an adult ICU setting, and reported hand hygiene compliance rates collected via observation, were included.

Data Extraction: Data were extracted on the setting, participant characteristics, experimental design, hand hygiene measurement, intervention characteristics, and outcomes. Interventional components were categorized using the Behavior Change Wheel. Methodological quality was examined using the Downs and Black Checklist.

Data Synthesis: Thirty-eight studies were included. The methodological quality of studies was poor, with studies scoring a mean of 8.6 of 24 (SD= 2.7). Over 90% of studies implemented a bundled intervention. The most frequently employed interventional strategies were education (78.9%), enablement (71.1%), training (68.4%), environmental restructuring (65.8%), and persuasion (65.8%). Intervention outcomes were variable, with a mean relative percentage change of 94.7% (SD= 195.7; range, 4.3–1155.4%) from pre to post intervention.

Conclusions: This review demonstrates that best practice for improving hand hygiene in ICUs remains unestablished. Future research employing rigorous experimental designs, careful statistical analysis, and clearly described interventions is important.

Supplemental Digital Content is available in the text.

1Department of General Practice, School of Medicine, National University of Ireland Galway, Galway, Ireland.

2Beaumont Hospital, Dublin, Ireland.

3Health Behaviour Change Research Group, School of Psychology, National University of Ireland Galway, Galway, Ireland.

4School of Nursing, University of Ottawa, Ottawa, ON, Canada.

5The Ottawa Hospital Research Institute, Ottawa, ON, Canada.

Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal’s website (http://journals.lww.com/ccmjournal).

Supported, in part, through funding from the Health Research Board and partial funding from Critical Care Programme, Clinical Strategy and Programmes Directorate, Health Service Executive (to M.P.).

Drs. Lydon, Power, McSharry, Byrne, and O’Connor’s institutions received funding from Health Research Board Ireland. Dr. Power received support for article research from Health Research Board Ireland. Dr. O’Connor received funding from the National University of Ireland, Galway; Naval Postgraduate School, Monterey; and Ashgate. The remaining authors have disclosed that they do not have any potential conflicts of interest.

For information regarding this article, E-mail: sinead.lydon@nuigalway.ie.

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