| Abstract |
Objective: To explore the influence of general anesthesia and intraspinal anesthesia on the mental state and cognitive function of elderly orthopedic patients after operation. Methods: Sixty eight elderly orthopedic patients admitted to our hospital from February 2017 to August 2019 were randomly divided into two groups: the control group (general anesthesia, 34 cases) and the observation group (intraspinal anesthesia, 34 cases). The time of speech presentation, the dosage of anesthetic, the time of opening eyes after operation, the time of operation, the amplitude, the score of mental state (MMSE) and the hand of the two groups were compared The incidence of postoperative cognitive impairment (POCD). Results: in the observation group, the time of speech presentation, the dosage of anesthetic, the time of eye opening, the time of operation, the rate of POCD in 3 hours, the rate of POCD in 6 hours were lower than those in the control group (P < 0.05), and the amplitude of P3 in 1 hour, 3 hours, 6 hours, 1 hour, 3 hours and 6 hours were higher than those in the control group （P<0.05）。 Conclusion: the application of intraspinal anesthesia can improve the cognitive function and mental state of the elderly orthopedic surgery patients, and reduce the time of eye opening, which is worth popularizing.
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