Flushing and locking procedures.
(DOCX)Click here for additional data file.(DOCX)Click here for additional data file.(DOCX)Click here for additional data file.We would like to express our gratitude to the strong support of the nursing team in the Department of Critical Care Medicine of People’s Hospital of Zhongjiang County, who flushed and locked the catheter. Thanks to Ying Liu and Xiaorong Yang for data collection, arrangement and input. We also thank all patients and their families for their participation.