Improving Antimicrobial Stewardship Program Using the Lean Six Sigma Methodology: A Descriptive Study from Mediclinic Welcare Hospital in Dubai, the UAE

• Background: Antimicrobial resistance (AMR) is one of the key challenges in healthcare, and effective antimicrobial stewardship programs (ASPs) can play a vital role to control it. The aim of the current study was to assess the impact of the Lean Six Sigma (LSS) methodology on a hospital-wide ASP. Methods: This retrospective descriptive study was conducted at Mediclinic Welcare Hospital (MWEL), Dubai, the United Arab Emirates (UAE). The critical-to-quality (CTQs) data were collected pre/post interventions, including leadership support, guideline implementation, and audits. The study focused on inpatients who received antimicrobials from January 2021 to July 2022, analyzing ASP metrics (utilization, processes, and outcome measures). Results: The ASP improvements led to an 81.7% decrease in hospital’s parenteral antimicrobial expenses from January 2021 to July 2022, and a 54.2% reduction in antimicrobial usage while maintaining clinical outcomes. The average defined daily dose per 100 bed-days drop of 12.5% further demonstrated this positive trend. The intervention was not accompanied by higher nosocomial infection rates, longer stays, or mortality. Additionally, intervention led to better compliance with surgical prophylaxis bundles, antimicrobial protocols, hand hygiene and other ASP CTQ metrics. Conclusions and recommendations: This study emphasized the significance of implementing the LSS methodology in addressing process variations, enhancing ASP outcomes, and reducing antimicrobial use. These findings can inform health policymakers to improve future ASP outcomes. Additionally, sustainability through continuous monitoring and ongoing education initiatives should be considered to ensure the long-term success of these improvements.

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Infektionsmedicin (hsv//swe)

MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Infectious Medicine (hsv//eng)

Nyckelord

antimicrobial stewardship

compliance

health policy

healthcare management

quality improvement

quality of care

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