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Efficacy of the Brushless Scrub

This study has been completed.
Information provided by (Responsible Party):
Theresa Criscitelli, Winthrop University Hospital Identifier:
First received: February 21, 2012
Last updated: December 18, 2013
Last verified: December 2013

The aim of this research is to examine if the brushless scrub is effective in reducing bioburden on the hands of the operating room (OR) personnel both with a prewash of one minute prior to scrub and without a prewash prior to scrub, and to compare the bioburden reduction between both methods.

Hypothesis I: A soap and water prewash used prior to brushless scrub further decreases bioburden than brushless scrub alone.

Hypothesis II: Brushless scrub is effective in reducing the bioburden measured just after the application of the brushless scrub within 20 seconds of application for both groups.

Exploratory Hypothesis: We will also compare the bioburden measured before and at 1.5 minutes after application of the brushless scrub for both groups.

Condition Intervention
Focus of Study: Handwashing
Other: Prewash

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Open Label
Primary Purpose: Basic Science
Official Title: Efficacy of the Brushless Scrub

Further study details as provided by Winthrop University Hospital:

Primary Outcome Measures:
  • Reduction of bioburden [ Time Frame: 1.5 minutes after brushless scrub was applied ]
    The procedure of swabbing the participants will be measured by using the RUHOF ATP Complete Contamination Monitoring System.

Enrollment: 100
Study Start Date: May 2012
Study Completion Date: April 2013
Primary Completion Date: April 2013 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
No Intervention: No Prewash
Level 1: participants will be swabbed, then application of brushless scrub, swabbed again
Experimental: Prewash
Level 2: participants will be swabbed, perform a wash with soap and water for 1 minute, dry, apply brushless scrub, swabbed again
Other: Prewash
The intervention will be the addition of the prewash utilizing non-antimicrobial soap and water.

Detailed Description:

Hand washing by operating room personnel prior to surgical procedures is essential in the prevention of intraoperative infection. The use of the brushless surgical hand hygiene has been used since the CDC stated in 2002 that using a brush and sponge is no longer necessary. Empirical literature supports the reduction of the incidence of bacteria or OR personnel hands with the use of alcohol-based products.

An annotated integrative search of the literature was conducted and conflicting information regarding the use of a prewash prior to the brushless scrub was found. This study can help us utilize the brushless scrub to the fullest capacity and prevent surgical site infections.

The time point at which the outcome measure will be assessed at an individual level will be immediately pre-intervention and also 1.5 minutes after the intervention. For example, within 15 seconds prior to brushless scrub, or prewash, a sample swab will be collected and then another sample swab will be obtained 1.5 minutes later for postintervention measure. The study should take approximately 4 months to complete to get an adequate sample size of individuals for statistical power. The data will be aggregated and presented at a staff in-service within 3 months after data collection and analysis is completed.


Ages Eligible for Study:   19 Years to 62 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Inclusion will consist of all OR personnel and students who scrub for surgical procedures.

Exclusion Criteria:

  • Exclusion will consist of any OR personnel and students whom do not want to participate in the study or those who have not been part of the the routine and mandatory training of proper surgical hand hygiene which occurs annually.
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Please refer to this study by its identifier: NCT01583231

United States, New York
Winthrop University Hospital
Mineola, New York, United States, 11501
Sponsors and Collaborators
Winthrop University Hospital
Principal Investigator: Theresa Criscitelli, MS, RN, CNOR Winthrop University Hospital