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Space disinfection using TiO2 photocatalyst reduces the incidence of febrile neutropenia in cancer patients
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Space disinfection using TiO2 photocatalyst reduces the incidence of febrile neutropenia in cancer patients
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Journal Article
Space disinfection using TiO2 photocatalyst reduces the incidence of febrile neutropenia in cancer patients
2025
Overview
Febrile neutropenia (FN) is life-threatening condition, and airborne microorganisms have been identified as one of the potential transmission routes. The objective of this study was to evaluate spatial sterilization using photocatalytic oxidative decomposition reactions which are effective to prevent FN. An air purifier equipped with a platinum-added titanium dioxide photocatalytic and LED light source (LED-TiO2 device) was installed in hospital rooms (per 21.5–35 m3) to investigate changes in FN incidence and airborne microorganism counts. Airborne microorganisms in the hospital rooms matched those responsible for nosocomial infections. The incidence of FN was significantly reduced after installation of the LED-TiO
2
device [9/13 vs. 2/12, P-value (P) = 0.015]. The LED-TiO
2
device decreased the number of airborne microorganisms in patient-free rooms by approximately 75% after 2 h [P < 0.001]. When patient was in the room, the number of airborne microorganisms increased with medical procedure. However, after 20 min of procedure, the number of airborne microorganisms was approximately 50% lower than without the device room [P = 0.019]. The LED-TiO
2
device successfully achieved spatial disinfection of hospital rooms, and reduced the incidence of FN. Spatial disinfection using photocatalysts is considered an effective new infection prevention measure for patients with severe neutropenia undergoing cancer treatment.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
/ 631/67
/ Cancer
/ Cross Infection - prevention & control
/ Febrile Neutropenia - epidemiology
/ Febrile Neutropenia - etiology
/ Febrile Neutropenia - prevention & control
/ Fever
/ Humanities and Social Sciences
/ Humans
/ Infection of chemotherapy patients
/ Patients
/ Science
