Predictive values of trends in peripheral blood inflammatory indexes for infectious abdominal complications after laparoscopic radical rectal cancer surgery
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摘要:
目的 分析外周血炎症指标的变化趋势,探讨其对预测腹腔镜直肠癌术后患者腹腔感染性并发症(IASCs)的发生是否具有预测诊断价值。 方法 选取2020年6月—2022年4月在蚌埠医学院第一附属医院行腹腔镜直肠癌根治性手术的患者,根据术后是否发生腹腔感染性并发症(IASCs)将其分为IASC组和非IASC组。共纳入患者156例,其中19例(12.18%)术后并发IASC。分析2组患者术后外周血肿瘤坏死因子α(TNF-α)、C反应蛋白(CRP)和白细胞计数(WBC)的变化趋势,以及对术后腹腔感染性并发症的预测诊断价值。 结果 2组患者术后1 d外周血WBC、CRP和TNF-α比较差异无统计学意义(P>0.05)。术后3 d,IASC组患者外周血TNF-α及CRP均显著高于非IASC组。受试者工作曲线(ROC)分析显示,术后3 d外周血TNF-α和CRP水平预测术后IASCs发生的阴性预测值均高于80%,但阳性预测值均低于50%。取患者术后3 d外周血TNF-α、CRP和术后1 d水平的比值,纳入ROC分析并发现:ΔTNF-α预测术后IASCs发生的阳性及阴性预测值均优于ΔCRP。 结论 腹腔镜直肠癌根治术后外周血TNF-α的变化趋势对IASCs具有一定的预测诊断价值。 Abstract:Objective To analyze the changes in peripheral blood inflammatory indicators and explore the predictive diagnostic values in predicting the occurrence of Intra-Abdominal Septic Complications (IASCs)in patients after laparoscopic rectal cancer surgery. Methods Patients who underwent laparoscopic radical surgery for rectal cancer in the First Affiliated Hospital of Bengbu Medical College from June 2020 to April 2022 were included as subjects in the study and were divided into IASC group and non-IASC group according to whether IASCs occurred. One hundred and fifty-six patients were included in this study, of which 19 cases (12.18%) were happened. The trend and predictive value of postoperative peripheral TNF-α, CRP and WBC for postoperative IASCs were analyzed in both groups. Results There was no significant difference between two groups in the levels of WBC, CRP and TNF-α in peripheral blood 1-day after surgery (P>0.05). The levels of TNF-α and CRP in peripheral blood 3-day after surgery were higher in IASC group than those in non-IASC group. ROC curve shows that the levels of TNF-α and CRP in peripheral blood 3 days after surgery predicted the occurrence of postoperative IASCs with negative predictive values above 80%, however, the positive predictive values were below 50%. Take ΔTNF-α and ΔCRP into ROC analysis. The results showed that the positive and negative predictive values of ΔTNF-α were superior to those of ΔCRP. Conclusion The changing trend of TNF-α in peripheral blood showed certain predictive and diagnostic values for IASCs after laparoscopic radical rectal cancer surgery. -
表 1 2组直肠癌患者临床资料及术前实验室指标的比较
Table 1. Comparison of clinical data and preoperative laboratory indices of rectal cancer patients in 2 groups
项目 IASC组(n=19) 非IASC组(n=137) 统计量 P值 性别(例) 0.007a 0.935 男性 13 95 女性 6 42 年龄(x±s, 岁) 59.95±9.81 59.61±9.95 0.137b 0.891 吸烟史 0.086a 0.769 有 9 60 无 10 77 手术时间(x±s,min) 185.63±32.72 184.49±34.81 0.135b 0.893 手术出血(x±s, mL) 87.68±32.33 91.00±31.27 -0.431b 0.667 白蛋白(x±s, g/L) 41.94±6.56 42.05±7.58 -0.061b 0.952 TNF-α(x±s, ng/L) 31.80±2.41 31.91±1.83 -0.248b 0.805 WBC(x±s, ×109/L) 6.97±1.20 6.98±1.54 -0.037b 0.971 CRP(x±s, mg/L) 7.99±1.53 7.72±1.35 0.807b 0.421 注:a为χ2值,b为t值。 表 2 2组直肠癌患者外周血相关指标水平比较(x ± s)
Table 2. The levels of peripheral blood related indexes between the two groups(x±s)
组别 例数 TNF-α(ng/mL) WBC(×109/L) CRP(mg/L) 术后1 d 术后3 d 术后1 d 术后3 d 术后1 d 术后3 d IASC 19 54.46±8.35 66.36±11.49 11.28±1.35 8.49±1.16 53.57±5.22 63.53±10.86 非IASC 137 54.28±6.16 49.97±10.46 11.03±1.20 8.37±1.44 53.05±10.14 46.69±11.77 t值 0.115 6.326 0.837 0.365 0.354 5.896 P值 0.909 <0.001 0.404 0.716 0.725 <0.001 表 3 术后3 d外周血TNF-α及CRP水平对术后IASCs的预测价值
Table 3. The predictive value of TNF-α and CRP in peripheral blood at 3-day after surgery for postoperative IASCs
项目 AUC 敏感度(%) 特异度(%) 阳性预测值(%) 阴性预测值(%) TNF-α 0.841 79.0 83.9 40.5 96.6 CRP 0.853 68.4 84.7 38.2 95.1 表 4 ΔTNF-α、术后3 d外周血TNF-α水平及ΔCRP对术后IASC预测价值
Table 4. The predictive value of ΔTNF-α and ΔCRP for postoperative IASCs
项目 AUC 敏感度(%) 特异度(%) 阳性预测值(%) 阴性预测值(%) ΔTNF-α 0.896 84.2 97.1 80.0 97.8 ΔCRP 0.856 73.7 91.2 53.8 96.2 -
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