Surgery · 2024
Triglyceride-glucose index-A novel metabolism disorder biomarker as a promising indicator for predicting postoperative 30-day infections in elderly patients undergoing gastrointestinal-related abdominal and pelvic surgery.
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Huo Yuting, Sun Miao, Wang Miaomiao, Wang Tianzhu, Yu Xiaomeng, Wu Dezhen, Guo Ziyi, Li Hao, Liu Yanhong, Cao Jiangbei, Mi Weidong, Lou Jingsheng
Аннотация
BACKGROUND: The triglyceride-glucose index, a reliable surrogate biomarker of insulin resistance, has been reported to be associated with cardiovascular events and atherosclerosis. However, few studies have investigated the association of the triglyceride-glucose index with postoperative infections. This study aimed to study the clinical risk values of the preoperative triglyceride-glucose index in postoperative infection complications in elderly patients undergoing gastrointestinal-related abdominal and pelvic surgery.
METHODS: This retrospective cohort study included 3,225 older patients who underwent gastrointestinal-related abdominal and pelvic surgery between 2014 and 2019. The patients were divided into groups of triglyceride-glucose index ≤8.268 and triglyceride-glucose index >8.268 according to the optimal triglyceride-glucose index cut-off value. The outcome of interest was postoperative infections within 30 days after surgery. Primary and subgroup analyses were performed to confirm that preoperative triglyceride-glucose index qualifies as a reliable, independent risk indicator. Propensity score matching analysis was further applied to address covariates' potential residual confounding effect and test the robustness of the results.
RESULTS: In this study, the median age was 71 years (interquartile range, 67, 75 years), the proportion of male patients was 66.3%, and 1,058 (32.8%) were infected within 30 days after surgery. A triglyceride-glucose index >8.268 was associated with an increased risk of postoperative infections in multivariate regression analysis (odds ratio, 1.37; 95% confidence interval, 1.15-1.64; P < .001). The correlation between the triglyceride-glucose index and postoperative infections remained significantly robust (odds ratio, 1.52; 95% confidence interval, 1.21-1.92; P < .001) in the propensity score matching analysis.
CONCLUSIONS: The triglyceride-glucose index elevation determined by the optimal cutoff value of 8.268 was an independent risk factor for developing postoperative infections.
METHODS: This retrospective cohort study included 3,225 older patients who underwent gastrointestinal-related abdominal and pelvic surgery between 2014 and 2019. The patients were divided into groups of triglyceride-glucose index ≤8.268 and triglyceride-glucose index >8.268 according to the optimal triglyceride-glucose index cut-off value. The outcome of interest was postoperative infections within 30 days after surgery. Primary and subgroup analyses were performed to confirm that preoperative triglyceride-glucose index qualifies as a reliable, independent risk indicator. Propensity score matching analysis was further applied to address covariates' potential residual confounding effect and test the robustness of the results.
RESULTS: In this study, the median age was 71 years (interquartile range, 67, 75 years), the proportion of male patients was 66.3%, and 1,058 (32.8%) were infected within 30 days after surgery. A triglyceride-glucose index >8.268 was associated with an increased risk of postoperative infections in multivariate regression analysis (odds ratio, 1.37; 95% confidence interval, 1.15-1.64; P < .001). The correlation between the triglyceride-glucose index and postoperative infections remained significantly robust (odds ratio, 1.52; 95% confidence interval, 1.21-1.92; P < .001) in the propensity score matching analysis.
CONCLUSIONS: The triglyceride-glucose index elevation determined by the optimal cutoff value of 8.268 was an independent risk factor for developing postoperative infections.