To determine the incidence of postoperative cognitive dysfunction in patients with gastrointestinal tumors to determine the influencing factors of postoperative cognitive dysfunction in patients with gastrointestinal tumors. The characteristics of perioperative cancer-related cognitive impairment in patients with gastrointestinal tumors were analyzed by monitoring preoperative and postoperative FACT-COG cognitive scale connection test (Hua-Shan-version auditory word learning test) DSST digit symbol test gaffes detection task and hematology indexes, such as observation and analysis of the interference pattern of supplement vitamin D preparation postoperative hospital stay in patients with gastrointestinal tumor short-term cognitive impairment related to cancer, in order to reduce the incidence of complications and hospitalization days, improve cognitive function in patients with gastrointestinal tumor surgery, and improve the quality of nursing.
To explore the effect of different doses of vitamin D drugs on gastrointestinal cancer cancer-related cognitive impairment, so as to provide reference and basis for the clinical use of our cognitive function surgery nursing plan for patients with gastrointestinal cancer.