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In classical mechanics, the two-body problem is one of the fundamental problems describing the motion of two interacting bodies under gravity or any other central force. When considering the motion of two bodies, one of the most important concepts is the reduced mass coordinates, a quantity that allows the two-body problem to be solved like a single-body problem. In these circumstances, it is assumed that a single body with reduced mass revolves around another body fixed in a position with an...
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Related Experiment Video

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Isolation and Culturing of Primary Murine Adipocytes from Lean and Obese Mice
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Reduced isolation room turnover time using Lean methodology.

Andrea L Ankrum1, Smriti Neogi2, Molynda A Morckel2

  • 1Department of Infection Prevention & Control, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.

Infection Control and Hospital Epidemiology
|July 27, 2019
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Summary
This summary is machine-generated.

Hospital room turnover time was halved in 60 days using Lean methodology to streamline cleaning and ultraviolet (UV) disinfection processes, improving efficiency and patient safety.

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Area of Science:

  • Healthcare Operations
  • Infection Control
  • Quality Improvement

Background:

  • Hospital rooms require extensive cleaning and ultraviolet (UV) disinfection for pathogen control.
  • Current room turnover processes can be time-consuming and may delay patient flow.
  • Optimizing room turnover is crucial for maintaining efficient hospital operations and patient safety.

Purpose of the Study:

  • To enhance the efficiency of hospital room turnover, specifically to reduce the time required for cleaning and UV disinfection.
  • To implement and evaluate a quality improvement project utilizing Lean methodology.

Main Methods:

  • A 60-day before-and-after trial was conducted at a quaternary academic pediatric referral facility.
  • A multidisciplinary team applied the Toyota Production System Lean methodology, including value-stream mapping and manual time studies.
  • Key areas targeted for improvement included room breakdown, cleaning, and the interval between cleaning and UV disinfection.

Main Results:

  • Median room turnover time decreased significantly from 130 minutes to 65 minutes (P < .0001).
  • Time between room breakdown and cleaning start decreased from 10 to 3 minutes (P = .004).
  • Time from cleaning completion to UV disinfection start reduced from 36 to 8 minutes (P < .0001), and cleaning/curtain changing duration decreased from 57 to 37 minutes.

Conclusions:

  • Hospital room turnover time was effectively reduced by 50% within 60 days.
  • Lean methodology and manual time studies are valuable tools for improving hospital process efficiency.
  • Streamlining routine tasks and inter-task intervals significantly enhances room turnover for UV disinfection.