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Risk factors and a prognostic model for postoperative cognitive dysfunction after gynecologic laparoscopic surgery in elderly women / 中华老年医学杂志
Chinese Journal of Geriatrics ; (12): 269-273, 2019.
Article in Chinese | WPRIM | ID: wpr-745505
ABSTRACT
Objective To investigate the risk factors for postoperative cognitive dysfunction (POCD)after gynecologic laparoscopic surgery in elderly female patients,and to establish a risk model for prognosis.Methods Mini-Mental State Examination(MMSE) was used to evaluate the cognitive function of 280 elderly women who underwent gynecologic laparoscopic surgery from April 2014 to March 2016 in four tertiary-level hospitals in Hubei Province.Thirty-two cases were excluded due to withdrawal or loss of follow-up,and 248 cases with complete and valid data were collected for analysis.According to the degree of cognitive impairment on the 7th day after operation,subjects were grouped into a POCD group and a non-POCD group.Logistic regression was used to determine risk factors and establish a prognostic model for POCD.Results Of the 248 subjects enrolled,62 (25.0%) were diagnosed with POCD on the 7th day after operation.Multivariate Logistic regression analysis showed that American Society of Anesthesiologists(ASA) grade(OR =4.578,95%CI1.156 ~18.139,P =0.030),age (OR =1.465,95% CI1.230 ~ 1.745,P =0.000),and duration of anesthesia(OR =1.030,95 % CI1.005 ~ 1.056,P =0.017) were independent risk factors for POCD,and intraoperative administration of dexmedetomidine (OR =0.069,95 % CI0.508 ~ 14.094,P =0.011),dexamethasone (OR =0.135,95 % CI0.200 ~ 0.928,P =0.042),and maintenance of deep anesthesia(OR =0.761,95 % CI0.630 to 0.919,P =0.005) were protective factors.A prognostic model was established based on the principle of logistic regression equation.The receiver operating characteristic(ROC)curve determined Y=4.291 as the best risk value,and the expected sensitivity and specificity were 90.3% and 97.8%,respectively.Additionally,another 50 independent cases were included to verify the predictive efficacy of the model.It showed that the overall correct rate was 86.0%,and the sensitivity and specificity were 81.8% and 87.2%,respectively.Conclusions Increased ASA grade,advanced age,prolonged anesthesia time are independent risk factors for POCD,and intraoperative administration of dexmedetomidine,dexamethasone,maintenance of deep anesthesia play a protective role.The prognosis model of POCD has certain clinical value.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Etiology study / Prognostic study / Risk factors Language: Chinese Journal: Chinese Journal of Geriatrics Year: 2019 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Etiology study / Prognostic study / Risk factors Language: Chinese Journal: Chinese Journal of Geriatrics Year: 2019 Type: Article