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Hospital ward design and prevention of hospital-acquired infections: A prospective clinical trial.

ABSTRACT: BACKGROUND:Renovation of a general medical ward provided an opportunity to study health care facility design as a factor for preventing hospital-acquired infections. OBJECTIVE:To determine whether a hospital ward designed with predominantly single rooms was associated with lower event rates of hospital-acquired infection and colonization. METHODS:A prospective controlled trial with patient allocation incorporating randomness was designed with outcomes on multiple 'historic design' wards (mainly four-bed rooms with shared bathrooms) compared with outcomes on a newly renovated 'new design' ward (predominantly single rooms with private bathrooms). RESULTS:Using Poisson regression analysis and adjusting for time at risk, there were no differences (P=0.18) in the primary outcome (2.96 versus 1.85 events/1000 patient-days, respectively). After adjustment for age, sex, Charlson score, admitted from care facility, previous hospitalization within six months, isolation requirement and the duration on antibiotics, the incidence rate ratio was 1.44 (95% CI 0.71 to 2.94) for the new design versus the historic design wards. A restricted analysis on the numbers of events occurring in single-bed versus multibed wings within the new design ward revealed an event incidence density of 1.89 versus 3.47 events/1000 patient-days, respectively (P=0.18), and an incidence rate ratio of 0.54 (95% CI 0.15 to 1.30). CONCLUSIONS:No difference in the incidence density of hospital-acquired infections or colonizations was observed for medical patients admitted to a new design ward versus historic design wards. A restricted analysis of events occurring in single-bed versus multibed wings suggests that ward design warrants further study.

SUBMITTER: Ellison J

PROVIDER: S-EPMC4211350 | biostudies-literature | 2014 Sep

REPOSITORIES: biostudies-literature

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Hospital ward design and prevention of hospital-acquired infections: A prospective clinical trial.

Ellison Jennifer J Southern Danielle D Holton Donna D Henderson Elizabeth E Wallace Jean J Faris Peter P Ghali William A WA Conly John J

The Canadian journal of infectious diseases & medical microbiology = Journal canadien des maladies infectieuses et de la microbiologie medicale 20140901 5

<h4>Background</h4>Renovation of a general medical ward provided an opportunity to study health care facility design as a factor for preventing hospital-acquired infections.<h4>Objective</h4>To determine whether a hospital ward designed with predominantly single rooms was associated with lower event rates of hospital-acquired infection and colonization.<h4>Methods</h4>A prospective controlled trial with patient allocation incorporating randomness was designed with outcomes on multiple 'historic ...[more]

PMID: 25371689

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Project description:BACKGROUND:In some European countries, including France, older patients with functional decline in acute units are transferred to geriatric rehabilitation units. Some patients may not benefit from their stay in a geriatric rehabilitation unit and paradoxically worsened their functional status. Previous prognostic models of functional decline are based on only baseline parameters. However, some events can occur during rehabilitation and modify the association between baseline parameters and rehabilitation performance such as heart failure episode, falls or hospital-acquired infection (HAI). The incidence of functional decline in these units and factors associated with this decline have not been clearly identified. METHODS:We used a prospective cohort of consecutive patients aged ?75?years admitted to a geriatric rehabilitation unit in a French university hospital. The main endpoint was functional decline defined by at least an one-point decrease in Activities of Daily Living (ADL) score during the stay. Baseline social and geriatric characteristics were recorded and comorbidities were sought by the Cumulative Illness Rating Scale for Geriatrics (CIRS-G). During follow-up, hospital-acquired infection (HAI) was recorded, as was ADL score at discharge. Multivariate logistic regression and mediation analyses were used to identify factors associated with ADL decrease. RESULTS:Among the 252 eligible patients, 160 (median age 84?years [interquartile range (IQR) 80-88] had available ADL scores at baseline (median score 7 [IQR 4-10]) and at discharge (median 9 [6-12]). Median CIRS-G score was 11 [8-13], 23 (14%) had a pulmonary HAI; 28 (17.5%) showed functional decline. On multivariable analysis, functional decline was associated with comorbidities (global CIRS-G score, P?=?0.02, CIRS-G for respiratory disease [CIRS-G-R] ?2, P?=?0.02, or psychiatric disease, P?=?0.02) and albumin level?<?35?g/l (p?=?0.03). Significant associations were found between functional decline and CIRS-G-R (OR 3.07 [95%CI 1.27-7.41], p?=?0.01), between functional decline and pulmonary HAI (OR 3.12 [1.17-8.32],p?=?0.02), and between CIRS-G-R and pulmonary HAI (OR 12.9[4.4-37.7], p?=?0.0001). Theses associations and the reduced effect of CIRS-G-R on functional decline after adjusting for pulmonary HAI (OR 2.26 [0.83-6.16], p?=?0.11) suggested partial mediation of pulmonary HAI in the relation between CIRS-G-R and functional decline. CONCLUSION:Baseline comorbidities were independently associated with functional decline in patients hospitalized in a geriatric rehabilitation unit. Pulmonary HAI may have mediated this association. We need to better identify patients at risk of functional decline before transfer to a rehabilitation unit and to test the implementation of modern and individual programs of rehabilitation outside the hospital for these patients.

Project description:Background & aimsBacterial infections affect survival of patients with cirrhosis. Hospital-acquired bacterial infections present a growing healthcare problem because of the increasing prevalence of multidrug-resistant organisms. This study aimed to investigate the impact of an infection prevention and control programme and coronavirus disease 2019 (COVID-19) measures on the incidence of hospital-acquired infections and a set of secondary outcomes, including the prevalence of multidrug-resistant organisms, empiric antibiotic treatment failure, and development of septic states in patients with cirrhosis.MethodsThe infection prevention and control programme was a complex strategy based on antimicrobial stewardship and the reduction of patient's exposure to risk factors. The COVID-19 measures presented further behavioural and hygiene restrictions imposed by the Hospital and Health Italian Sanitary System recommendations. We performed a combined retrospective and prospective study in which we compared the impact of extra measures against the hospital standard.ResultsWe analysed data from 941 patients. The infection prevention and control programme was associated with a reduction in the incidence of hospital-acquired infections (17 vs. 8.9%, p <0.01). No further reduction was present after the COVID-19 measures had been imposed. The impact of the infection prevention and control programme remained significant even after controlling for the effects of confounding variables (odds ratio 0.44, 95% CI 0.26-0.73, p = 0.002). Furthermore, the adoption of the programme reduced the prevalence of multidrug-resistant organisms and decreased rates of empiric antibiotic treatment failure and the development of septic states.ConclusionsThe infection prevention and control programme decreased the incidence of hospital-acquired infections by nearly 50%. Furthermore, the programme also reduced the prevalence of most of the secondary outcomes. Based on the results of this study, we encourage other liver centres to adopt infection prevention and control programmes.Impact and implicationsInfections are a life-threatening problem for patients with liver cirrhosis. Moreover, hospital-acquired infections are even more alarming owing to the high prevalence of multidrug-resistant bacteria. This study analysed a large cohort of hospitalised patients with cirrhosis from three different periods. Unlike in the first period, an infection prevention programme was applied in the second period, reducing the number of hospital-acquired infections and containing multidrug-resistant bacteria. In the third period, we imposed even more stringent measures to minimise the impact of the COVID-19 outbreak. However, these measures did not result in a further reduction in hospital-acquired infections.

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Hospital ward design and prevention of hospital-acquired infections: A prospective clinical trial.

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Hospital ward design and prevention of hospital-acquired infections: A prospective clinical trial.

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