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Related Concept Videos

Hand hygiene01:23

Hand hygiene

3.4K
Asepsis is the practice of preventing or breaking the chain of infection. The nurse employs aseptic techniques to prevent the spread of microorganisms and reduce the risk of diseases. Hand hygiene is the cornerstone of aseptic techniques and is classified into medical and surgical asepsis. Medical asepsis includes hand hygiene and the use of gloves. Surgical asepsis, or the sterile technique, refers to practices that render and keep objects and areas free of microorganisms.
Hand washing...
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Handwashing II: Pre-procedure and Initial Procedure Steps01:19

Handwashing II: Pre-procedure and Initial Procedure Steps

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The pre-procedure steps of handwashing include removing jewelry and rolling up sleeves. However, many organizations allow staff to wear wedding rings.
The hand washing procedure itself includes the following steps. First, cover cuts, if any, on hands with a waterproof dressing. Cuts and abrasions can become contaminated with bacteria hindering the ability to clean the area thoroughly. In addition, repeated hand washing can worsen an injury.  The nails must be short and clean, without nail...
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Handwashing III: During the Procedure and Post-Procedure Steps01:15

Handwashing III: During the Procedure and Post-Procedure Steps

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To wash hands properly, follow these steps:
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Handwashing I: Introduction and Types of Equipment01:18

Handwashing I: Introduction and Types of Equipment

4.2K
Handwashing is hand hygiene with plain or antimicrobial soap and water to physically remove dirt, organic material, and microorganisms. However, it may not kill all microorganisms. The handwashing procedure requires a hand wash basin, liquid soap, paper towels, a domestic waste bin, and disposable nail cleaner as optional equipment.
Hand wash basins in clinical areas should have faucets that can be turned on and off without using the hands; that is, they should be non-touch or lever-operated....
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Related Experiment Video

Updated: Aug 1, 2025

Using Digital Image Correlation to Characterize Local Strains on Vascular Tissue Specimens
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Using Digital Image Correlation to Characterize Local Strains on Vascular Tissue Specimens

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A new checklist surgical hand scrub to replace time-based methods - A pixel intensity analysis.

Lercan Aslan1, Omer Subasi2, Duygu Mizikoglu3

  • 1Koc University Hospital, Department of Orthopaedics and Traumatology, Istanbul 34365, Turkey.

The Surgeon : Journal of the Royal Colleges of Surgeons of Edinburgh and Ireland
|April 30, 2023
PubMed
Summary

The 10-stroke counting technique (10SS) for surgical hand hygiene is more effective than the World Health Organization's 4-minute scrubbing (4MS). 10SS ensures more thorough and even cleaning to prevent surgical site infections.

Keywords:
AbrasionHand hygieneMechanical efficacyScrubbingScrubbing duration

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Area of Science:

  • Medical Microbiology
  • Surgical Hygiene Research
  • Public Health Interventions

Background:

  • Surgical site infections are a significant concern, necessitating effective hand scrubbing protocols.
  • The World Health Organization (WHO) recommends a 4-minute overall scrubbing (4MS) guideline for surgical hand hygiene.
  • This study investigates if a methodical 10-stroke counting technique (10SS) is superior to the WHO's duration-based guideline.

Purpose of the Study:

  • To compare the mechanical efficiency of the 4-minute overall scrubbing (4MS) and the 10-stroke counting technique (10SS) for surgical hand hygiene.

Main Methods:

  • Twenty-four healthcare professionals participated in the study.
  • A novel method quantified UV ink removal from skin using pixel intensity analysis.
  • A high-resolution camera and black-box setup were used to capture images of UV-stained arms before and after scrubbing.

Main Results:

  • The 10-stroke counting technique (10SS) demonstrated significantly greater UV ink removal compared to the 4-minute overall scrubbing (4MS) (p=0.014).
  • The 4MS technique showed a bias, removing more ink from proximal areas (p=0.0027).
  • The 10SS technique provided statistically equal cleaning across proximal, middle, and distal arm areas (p=0.423).

Conclusions:

  • The 10-stroke counting technique (10SS) offers superior mechanical efficiency and more homogenous cleaning compared to the 4-minute overall scrubbing (4MS).
  • Implementing the 10SS technique is recommended for enhanced pre-surgical hand hygiene effectiveness.
  • This improved hygiene practice can contribute to reducing surgical site infections.