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Updated: Aug 28, 2025

Murine Drinking Models in the Development of Pharmacotherapies for Alcoholism: Drinking in the Dark and Two-bottle Choice

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Unrestricted drinking before surgery: an iterative quality improvement study.

A Rüggeberg¹, E A Nickel¹

¹Department of Anaesthesiology and Pain Therapy, Helios Klinikum Emil von Behring, Berlin, Germany.

|September 21, 2022

Summary

This summary is machine-generated.

Implementing iterative quality improvement cycles significantly reduced pre-operative clear liquid fasting times. These interventions, including staff training and patient information, led to shorter fasting durations, especially for inpatients.

Keywords:

clear liquid drink until call fasting cards pre-operative fasting

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Area of Science:

Anesthesiology
Quality Improvement Science
Healthcare Management

Background:

Pre-operative fasting times for clear liquids often exceed recommended guidelines.
Prolonged fasting can lead to patient discomfort and potential complications.
There is a need for effective strategies to optimize fasting protocols.

Purpose of the Study:

To decrease pre-operative clear liquid fasting times using a continuous quality improvement approach.
To evaluate the effectiveness of iterative 'plan-do-study-act' cycles in reducing fasting durations.
To identify key interventions for optimizing patient fasting protocols.

Main Methods:

Application of iterative 'plan-do-study-act' cycles to develop and implement interventions.
Initial intervention: unrestricted drinking until operating theatre call, staff training, and patient information.
Subsequent interventions: introduction of fasting cards, lectures, posters, revised materials, and screencasts.

Main Results:

Initial unrestricted drinking did not significantly shorten fasting times (median 12.0 h).
Fasting cards improved times for outpatients (2.6 h) and pre-admission patients (3.4 h) but not inpatients (6.5 h).
Comprehensive interventions in the third cycle reduced median fasting time to 2.1 h (p < 0.0001), with inpatients at 1.4 h.

Conclusions:

Repeated quality improvement cycles, tailored to local contexts, are effective in sustainably reducing pre-operative liquid fasting times.
Multifaceted interventions involving staff, patients, and revised protocols are crucial for success.
Optimized fasting protocols enhance patient care and adherence to guidelines.