Influence of different anesthetic and analgesic methods on early cognitive function of elderly patients receiving non-cardiac surgery
Objective: To discuss over influence of two different anesthetic and analgesic methods on early cognitive function of elderly patients who received non-cardiac surgery.
Methods: Two hundred and six elderly patients who underwent non-cardiac surgery were selected as research subjects. They were randomly divided into observation group (103 cases) and control group (103 cases). Patients in observation group were given combined spinal and epidural anesthesia and epidural analgesia, while patients in control group adopted general anesthesia and intravenous analgesia. Neurological function test was carried out one day before surgery and on the 7th day after surgery. Moreover, changes of postoperative pain degree, neuropsychological function and cognitive function were observed and compared.
Results: On the 7th day after surgery, incidence of cognition impairment in observation group and control group was 48.50% (50/103 cases) and 44.70% (46/103 cases), and difference between groups had no statistical significance. Visual Analogue Scale (VAS) Score of observation group was much lower than control group in the 12th, 24th and 48th h after surgery (p < 0.05). Logistic regression analysis suggested that, short education years and general surgery were independent risk factors for early cognition impairment.
Conclusion: About 46.60% elderly patients undergoing non-cardiac surgery developed cognition impairment, but influence of different anesthetic and analgesic methods on incidence of postoperative cognition impairment of elderly patients had no significant difference.
How to cite this:Wang Y, Zhang J, Zhang S. Influence of different anesthetic and analgesic methods on early cognitive function of elderly patients receiving non-cardiac surgery. Pak J Med Sci. 2016;32(2):369-372. doi: http://dx.doi.org/10.12669/pjms.322.9555
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