• J Hosp Med · May 2020

    Improving Hand Hygiene Adherence in Healthcare Workers Before Patient Contact: A Multimodal Intervention in Four Tertiary Care Hospitals in Japan.

    • Akihiko Saitoh, Kiyomi Sato, Yoko Magara, Kakuei Osaki, Kiyoko Narita, Kumiko Shioiri, Karen E Fowler, David Ratz, and Sanjay Saint.
    • Department of Pediatrics, Niigata University Graduate School of Medical and Dental Sciences, Niigata Japan.
    • J Hosp Med. 2020 May 1; 15 (5): 262-267.

    BackgroundHand hygiene is key to preventing healthcare-associated infection and the spread of respiratory viruses like the novel coronavirus that causes COVID-19. Unfortunately, hand hygiene adherence of healthcare workers (HCWs) in Japan is suboptimal according to previous studies.ObjectivesOur objectives were to evaluate hand hygiene adherence among physicians and nurses before touching hospitalized patients and to evaluate changes in hand hygiene adherence after a multimodal intervention was implemented.Design, Setting, And ParticipantsWe conducted a pre- and postintervention study with HCWs at four tertiary hospitals in Niigata, Japan. Hand hygiene observations were conducted from June to August 2018 (preintervention) and February to March 2019 (postintervention).InterventionThe multimodal hand hygiene intervention recommended by the World Health Organization was tailored to each hospital and implemented from September 2018 to February 2019.Main Outcomes And MeasuresWe observed hand hygiene adherence before touching patients in each hospital and compared rates before and after intervention. Intervention components were also evaluated.ResultsThere were 2,018 patient observations preintervention and 1,630 postintervention. Overall, hand hygiene adherence improved from 453 of 2,018 preintervention observations (22.4%) to 548 of 1,630 postintervention observations (33.6%; P < .001). Rates improved more among nurses (13.9 percentage points) than among doctors (5.7 percentage points). Improvement varied among the hospitals: Hospital B (18.4 percentage points) was highest, followed by Hospitals D (11.4 percentage points), C (11.3 percentage points), and Hospital A (6.5 percentage points).ConclusionsA multimodal intervention improved hand hygiene adherence rates in physicians and nurses in Niigata, Japan; however, further improvement is necessary. Given the current suboptimal hand hygiene adherence rates in Japanese hospitals, the spread of COVID-19 within the hospital setting is a concern.

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