"First-person view" of pathogen transmission and hand hygiene - use of a new head-mounted video capture and coding tool

Antimicrobial Resistance and Infection Control
Lauren ClackHugo Sax

Abstract

Healthcare workers' hands are the foremost means of pathogen transmission in healthcare, but detailed hand trajectories have been insufficiently researched so far. We developed and applied a new method to systematically document hand-to-surface exposures (HSE) to delineate true hand transmission pathways in real-life healthcare settings. A head-mounted camera and commercial coding software were used to capture ten active care episodes by eight nurses and two physicians and code HSE type and duration using a hierarchical coding scheme. We identified HSE sequences of particular relevance to infectious risks for patients based on the WHO 'Five Moments for Hand Hygiene'. The study took place in a trauma intensive care unit in a 900-bed university hospital in Switzerland. Overall, the ten videos totaled 296.5 min and featured eight nurses and two physicians. A total of 4222 HSE were identified (1 HSE every 4.2 s), which concerned bare (79%) and gloved (21%) hands. The HSE inside the patient zone (n = 1775; 42%) included mobile objects (33%), immobile surfaces (5%), and patient intact skin (4%), while HSE outside the patient zone (n = 1953; 46%) included HCW's own body (10%), mobile objects (28%), and immobile surfaces (8%). A furthe...Continue Reading

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Citations

Feb 29, 2020·Infection Control and Hospital Epidemiology : the Official Journal of the Society of Hospital Epidemiologists of America·Erica S ShenoyDavid C Hooper
Sep 18, 2020·Antimicrobial Resistance and Infection Control·Manuela ScotoniHugo Sax
Oct 8, 2020·Indian Journal of Critical Care Medicine : Peer-reviewed, Official Publication of Indian Society of Critical Care Medicine·Subramanian SenthilkumaranPonniah Thirumalaikolundusubramanian
May 31, 2021·American Journal of Infection Control·Qian XuJiapeng Huang
Aug 8, 2021·Infectious Disease Clinics of North America·John M Boyce

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