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Related Concept Videos

Production Efficiency01:01

Production Efficiency

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Net production efficiency (NPE) is the efficiency at which organisms assimilate energy into biomass for the next trophic level. Due to low metabolic rates and less energy spent on thermoregulatory processes, the NPE of ectotherms (cold-blooded animals) is 10 times higher than endotherms (warm-blooded animals).
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Related Experiment Video

Updated: Dec 12, 2025

Utilizing a 3D Printed Laparoscopic Nissen Fundoplication Model to Shorten a Resident's Learning Curve
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Increasing Operating Room Efficiency with Shop Floor Management: an Empirical, Code-Based, Retrospective Analysis.

M Mitteregger1, G Köhler2, A Szyszkowitz3

  • 1Department of Surgery, St John of God Hospital, Marschallgasse 12, 8020, Graz, Austria. martin.mitteregger@bbgraz.at.

Journal of Medical Systems
|August 14, 2020
PubMed
Summary
This summary is machine-generated.

Shop floor management, a lean healthcare technique, did not significantly improve operating room efficiency metrics in a retrospective study. Continuous improvement requires combining this method with other strategies like detailed process analyses.

Keywords:
Lean health careOperating roomShop floor management

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Area of Science:

  • Healthcare Management
  • Industrial Engineering
  • Operations Research

Background:

  • Rising economic pressures necessitate efficiency improvements in healthcare.
  • Lean management techniques, such as shop floor management, are explored for enhancing hospital operations.
  • Existing literature shows limited evidence for shop floor management alone improving efficiency.

Purpose of the Study:

  • To evaluate the effectiveness of shop floor management as a standalone intervention for improving operating room efficiency.
  • To determine if this lean management technique significantly impacts key performance indicators.
  • To assess changes in operational codes one year after implementation.

Main Methods:

  • Retrospective analysis of 3800 operations across two periods: pre-implementation and one year post-implementation of shop floor management.
  • Data extraction from Hospital Information System.
  • Statistical analysis of operating room codes (turnover time, first patient in room, waiting times) and planning stability (scheduled, cancelled, unscheduled, total operations).

Main Results:

  • No statistically significant changes were observed in operating room efficiency codes (p=0.637) or planning stability codes (p=0.505, p=0.984).
  • A non-significant reduction in turnover time from 17:37 min to 16:26 min (p=0.238) was noted.
  • Absolute improvements were insufficient to demonstrate statistical significance.

Conclusions:

  • Shop floor management, when implemented as a single intervention, is insufficient for achieving significant and continuous improvements in healthcare operational codes.
  • Integrating shop floor management with other techniques, such as detailed process analyses, is crucial for substantial efficiency gains.
  • Findings offer valuable insights for healthcare units adopting Lean Health Care strategies.