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Studies of the surgical scrub
1Division of Surgery, Echuca Regional Health, Victoria, Australia.
The Australian and New Zealand Journal of Surgery
|January 24, 1998
Summary
A 30-second surgical scrub effectively reduces fingertip bacterial flora, making prolonged scrubbing unnecessary. Friction during handwashing does not impact bacterial reduction, but a single wash is insufficient for lasting antisepsis.
Area of Science:
- Microbiology
- Infection Control
- Surgical Hygiene
Background:
- Bacterial skin flora pose a risk for surgical site infections.
- Effective hand hygiene is crucial for preventing microbial transmission.
Purpose of the Study:
- To assess the efficacy of different surgical scrub techniques.
- To determine optimal handwashing duration and friction for bacterial reduction.
Main Methods:
- Three stages evaluated fingertip bacterial colony counts before and after handwashing with 10% povidone iodine.
- Methods included varying wash episodes, friction use, and scrub durations (30 seconds to longer periods).
Main Results:
- A single wash episode did not yield lasting bacterial reductions.
- Friction during scrubbing did not significantly affect enduring colony count reductions.
- A 30-second scrub was as effective as longer durations for reducing fingertip flora.
Conclusions:
- Prolonged, vigorous pre-operative scrubbing is not essential for effective antisepsis.
- A scrub duration of 30 seconds provides lasting fingertip antisepsis.
- More than a cursory wash is required for sustained bacterial reduction.