ArticleBMC medical education2025
Examining the impact of alerting visual stimuli on the effectiveness of practising surgical scrub technique in medical education.
Article in BMC medical education, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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8 authors.
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Abstract
introductionInadequate surgical scrubbing is a key risk factor for surgical site infections (SSIs). Visual documentation of errors during training enhances learning while the Semmelweis Scanner provides objective quality control. This study hypothesized that displaying graphic images of severe SSIs in the scrub room would improve students’ surgical scrub discipline and effectiveness. By serving as a stark visual reminder of the consequences of poor hand hygiene, this approach was expected to enhance adherence to proper scrubbing protocols, especially among Generation Z students, who respond well to multisensory learning strategies.
methodsThe study involved 121 medical students in the “Basic surgical techniques” course during the 2nd semester of 2023/2024. The last phase of the surgical scrub was performed with hand disinfectant containing fluorescein. Participant identification utilized Radio Frequency Identification (RFID). Measurements were taken 4 times with Semmelweis Scanner device (HandInScan Zrt.), examining error localization and proportion relative to the total hand area. Students were divided into two groups: Group A (n = 58) performed scrubs without visual stimuli, while Group B (n = 63) was exposed to SSI images during two of four sessions. Performance was categorized as low, medium, or high based on error rates. Group B completed a questionnaire evaluating the images’ impact and their motivation for proper hand hygiene.
resultsBetween measurements 2 and 3, Group B (with visual stimuli) showed a significant increase in high performers (24 to 42) and a reduced error rate (11.98 ± 5.12% to 4.77 ± 3.06%). Of Group B’s 63 students, 60.3% found the SSI images motivating, 34.9% were neutral, and 4.8% found them disturbing or distracting. All Group B students acknowledged hand hygiene’s critical role in infection prevention. Additionally, 44.4% recommended more frequent Semmelweis Scanner use, and 36.5% suggested additional visual tools to enhance scrubbing efficiency.
conclusionsGraphic SSI images as visual stimuli significantly improved surgical scrub techniques by boosting motivation and accelerating the learning curve. This method supports the prevention of healthcare-associated infections and enhances patient safety. Due to its effectiveness, the approach was integrated into the “Basic surgical techniques” course starting the following semester, with potential for broader application in medical education.
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