Abstract: Objective To search,evaluate,and summarize the best evidence on artificial airway humidification management for adult ICU patients at home and abroad,and to provide a reference for clinical practice. Methods We searched all relevant databases and websites about all relevant literature related to the management of airway humidification in adult ICU patients,then selected the literature that met the inclusion criteria,evaluated their quality and extracted evidence. The retrieval period was from the inception of databases to April 2022. Results A total of 13 articles were included, including 1 clinical decision, 3 guidelines, 5 systematic reviews, 2 evidence summaries, and 2 expert consensuses. From 7 dimensions including the scope of application of artificial airway humidification,humidification device, humidification method,humidification fluid, assessment and monitoring,auxiliary therapy,and personnel organization,15 best evidences were summarized. Conclusion This study summarizes the best evidence for the management of airway humidification in adult ICU patients. Medical staff should also select the evidence in a targeted manner based on the actual clinical situation before application,to improve the effects of airway humidification and reduce the incidence of airway complications in patients.

Key words: Airway Management, Ventilators,Mechanical, Airway Humidification, Critical Care Nursing, Evidence-Based Nursing