» Articles » PMID: 38863018

The Effect of an Improved ICU Physical Environment on Outcomes and Post-ICU Recovery-a Protocol

Abstract

Background: Intensive care medicine continues to improve, with advances in technology and care provision leading to improved patient survival. However, this has not been matched by similar advances in ICU bedspace design. Environmental factors including excessive noise, suboptimal lighting, and lack of natural lights and views can adversely impact staff wellbeing and short- and long-term patient outcomes. The personal, social, and economic costs associated with this are potentially large. The ICU of the Future project was conceived to address these issues. This is a mixed-method project, aiming to improve the ICU bedspace environment and assess impact on patient outcomes. Two innovative and adaptive ICU bedspaces capable of being individualised to patients' personal and changing needs were co-designed and implemented. The aim of this study is to evaluate the effect of an improved ICU bedspace environment on patient outcomes and operational impact.

Methods: This is a prospective multi-component, mixed methods study including a randomised controlled trial. Over a 2-year study period, the two upgraded bedspaces will serve as intervention beds, while the remaining 25 bedspaces in the study ICU function as control beds. Study components encompass (1) an objective environmental assessment; (2) a qualitative investigation of the ICU environment and its impact from the perspective of patients, families, and staff; (3) sleep investigations; (4) circadian rhythm investigations; (5) delirium measurements; (6) assessment of medium-term patient outcomes; and (7) a health economic evaluation.

Discussion: Despite growing evidence of the negative impact the ICU environment can have on patient recovery, this is an area of critical care medicine that is understudied and commonly not considered when ICUs are being designed. This study will provide new information on how an improved ICU environment impact holistic patient recovery and outcomes, potentially influencing ICU design worldwide.

Trial Registration: ACTRN12623000541606. Registered on May 22, 2023. https://www.anzctr.org.au/Trial/Registration/TrialReview.aspx?id=385845&isReview=true .

References
1.
Halpern N, Scruth E, Rausen M, Anderson D . Four Decades of Intensive Care Unit Design Evolution and Thoughts for the Future. Crit Care Clin. 2023; 39(3):577-602. DOI: 10.1016/j.ccc.2023.01.008. View

2.
Buysse D, Reynolds 3rd C, Monk T, BERMAN S, Kupfer D . The Pittsburgh Sleep Quality Index: a new instrument for psychiatric practice and research. Psychiatry Res. 1989; 28(2):193-213. DOI: 10.1016/0165-1781(89)90047-4. View

3.
Weger B, Gobet C, David F, Atger F, Martin E, Phillips N . Systematic analysis of differential rhythmic liver gene expression mediated by the circadian clock and feeding rhythms. Proc Natl Acad Sci U S A. 2021; 118(3). PMC: 7826335. DOI: 10.1073/pnas.2015803118. View

4.
Gale N, Heath G, Cameron E, Rashid S, Redwood S . Using the framework method for the analysis of qualitative data in multi-disciplinary health research. BMC Med Res Methodol. 2013; 13:117. PMC: 3848812. DOI: 10.1186/1471-2288-13-117. View

5.
Page K, Barnett A, Graves N . What is a hospital bed day worth? A contingent valuation study of hospital Chief Executive Officers. BMC Health Serv Res. 2017; 17(1):137. PMC: 5310013. DOI: 10.1186/s12913-017-2079-5. View