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  3. Reducing The Time To Activation Of The Emergency Call System In Operating Theatres: Effect Of Installing Vertical Red Line Indicators.
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  3. Reducing The Time To Activation Of The Emergency Call System In Operating Theatres: Effect Of Installing Vertical Red Line Indicators.

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Reducing the time to activation of the emergency call system in operating theatres: effect of installing vertical red

Stuart D Marshall1, Cameron Rush2, Lucy Elliott3

  • 1Peninsula Health - Frankston Hospital, Frankston, VIC, Australia; Department of Critical Care, The University of Melbourne, Melbourne, VIC, Australia.

British Journal of Anaesthesia
|May 9, 2024

View abstract on PubMed

Summary
This summary is machine-generated.

A vertical red line significantly reduces the time it takes for operating theatre staff to activate emergency call systems. This simple intervention improves patient safety by ensuring faster access to help during critical events.

Keywords:
clinical alarmsemergency call systemhospital designoperating room safetypatient safetyperioperative medicine

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Area of Science:

  • Anesthesiology
  • Patient Safety
  • Human Factors Engineering

Background:

  • The 7th National Audit Project recommended accessible emergency call systems in all anesthesia locations.
  • Rapid activation of emergency calls is crucial for patient safety but can be hindered by environmental factors and cognitive load.
  • A vertical red line is proposed to improve emergency call system identification and activation.

Purpose of the Study:

  • To investigate the effect of a vertical red line intervention on the time taken to activate emergency call systems in operating theatres.
  • To assess the impact of this design change on the efficiency of emergency response in surgical environments.

Main Methods:

  • Operating theatre staff simulated emergency call activations without warning.
  • Data collection was performed before and after the installation of vertical red lines in UK and Australian operating theatres (4-12 months later).

Main Results:

  • The proportion of activations taking over 10 seconds decreased from 31.9% to 13.6% (P=0.001).
  • The proportion of activations taking over 20 seconds decreased from 19.1% to 4.8% (P<0.001).
  • The maximum activation time reduced from 120 seconds to 35 seconds post-intervention.

Conclusions:

  • The vertical red line is a simple, safe, and inexpensive design intervention.
  • This intervention should be considered a standard design feature in operating theatres to minimize delays in calling for help.
  • Implementing this design standard can enhance patient safety by ensuring timely emergency response.