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1.
Med J Aust ; 188(11): 633-40, 2008 Jun 02.
Article in English | MEDLINE | ID: mdl-18513171

ABSTRACT

OBJECTIVE: To assess the efficacy of a multimodal, centrally coordinated, multisite hand hygiene culture-change program (HHCCP) for reducing rates of methicillin-resistant Staphylococcus aureus (MRSA) bacteraemia and disease in Victorian hospitals. DESIGN, PARTICIPANTS AND SETTING: A pilot HHCCP was conducted over a 24-month period (October 2004 to September 2006) in six Victorian health care institutions (4 urban, 2 rural; total beds, 2379). Subsequently, we assessed the efficacy of an identical program implemented throughout Victorian public hospitals over a 12-month period (beginning between March 2006 and July 2006). MAIN OUTCOME MEASURES: Rates of hand hygiene (HH) compliance; rates of MRSA disease (patients with bacteraemia and number of clinical isolates per 100 patient discharges [PD]). RESULTS: Mean HH compliance improved significantly at all pilot program sites, from 21% (95% CI, 20%-22%) at baseline to 48% (95% CI, 47%-49%) at 12 months and 47% (95% CI, 46%-48%; range, 31%-75%) at 24 months. Mean baseline rates for the number of patients with MRSA bacteraemia and the number of clinical MRSA isolates were 0.05/100 PD per month (range, 0.00-0.13) and 1.39/100 PD per month (range, 0.16-2.39), respectively. These were significantly reduced after 24 months to 0.02/100 PD per month for bacteraemia (P = 0.035 for trend; 65 fewer patients with bacteraemia) and 0.73/100 PD per month for MRSA isolates (P = 0.003; 716 fewer isolates). Similar findings were noted 12 months after the statewide roll-out, with an increase in mean HH compliance (from 20% to 53%; P < 0.001) and reductions in the rates of MRSA isolates (P = 0.043) and bacteraemias (P = 0.09). CONCLUSIONS: Pilot and subsequent statewide implementation of a multimodal HHCCP was effective in significantly improving HH compliance and reducing rates of MRSA infection.


Subject(s)
Bacteremia/prevention & control , Hand Disinfection , Hygiene , Methicillin Resistance , Staphylococcal Infections/prevention & control , Staphylococcus aureus , Cohort Studies , Guideline Adherence , Hospitals, Public , Humans , Infection Control , Pilot Projects , Program Evaluation , Victoria
2.
Infect Control Hosp Epidemiol ; 25(6): 472-6, 2004 Jun.
Article in English | MEDLINE | ID: mdl-15242194

ABSTRACT

BACKGROUND: The Victorian Infection Control Surveillance Project (VICSP) is a multicenter collaborative surveillance project established by infection control practitioners. Five public hospitals contributed data for patients undergoing coronary artery bypass graft (CABG) surgery. OBJECTIVE: To determine the aggregate and comparative interhospital surgical-site infection (SSI) rates for patients undergoing CABG surgery and the risk factors for SSI in this patient group. METHOD: Each institution used standardized definitions of SSI, risk adjustment, and reporting methodology according to the National Nosocomial Infections Surveillance System of the Centers for Disease Control and Prevention. Data on potential risk factors were prospectively collected. RESULTS: For 4,474 patients undergoing CABG surgery, the aggregate SSI rate was 7.8 infections per 100 procedures (95% confidence interval [CI95], 7.0-8.5), with individual institutions ranging between 4.5 and 10.7 infections per 100 procedures. Multivariate risk factor analysis demonstrated age (odds ratio [OR], 1.02; CI95, 1.01-1.04; P < .001), obesity (OR, 1.8; CI95, 1.4-2.3; P < .001), and diabetes mellitus (OR, 1.6; CI95, 1.2-2.1; P < .001) as independent predictors of SSI. Three hundred thirty-four organisms were isolated from 296 SSIs. Of the total SSIs, methicillin-resistant Staphylococcus aureus was isolated from 32%, methicillin-sensitive S. aureus from 24%, gram-negative bacilli (eg, Enterobacter and Escherichia coli) from 18%, and miscellaneous organisms from the remainder. CONCLUSION: We documented aggregate and comparative SSI rates among five Victorian public hospitals performing CABG surgery and defined specific independent risk factors for SSI. VICSP data offer opportunities for targeted interventions to reduce SSI following cardiac surgery.


Subject(s)
Coronary Artery Bypass/adverse effects , Cross Infection/epidemiology , Hospitals, Public/statistics & numerical data , Surgical Wound Infection/epidemiology , Adult , Age Factors , Aged , Aged, 80 and over , Bacterial Infections/classification , Bacterial Infections/epidemiology , Benchmarking , Cross Infection/microbiology , Diabetes Complications , Female , Humans , Male , Methicillin Resistance , Middle Aged , Obesity/complications , Prospective Studies , Risk Factors , Sentinel Surveillance , Staphylococcus aureus/pathogenicity , Surgical Wound Infection/microbiology , Victoria/epidemiology
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