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急性胰腺炎为临床较为常见的消化系统疾病之一[1],该病具有起病急、发展迅速、并发症较多、病死率较高等特点[2]。多项回顾性研究[3-5]结果表明,未发生感染的重症急性胰腺炎病人相比伴有继发感染的病人临床病死率有着明显差别,由此可以看出,感染对于重症急性胰腺炎病人的预后有着极大的影响。目前临床上常用的急性胰腺炎诊治指标有中性粒细胞与淋巴细胞比值(NLR)、血小板与淋巴细胞比值(PLR)、白细胞(WBC)、血淀粉酶(AMS)、尿淀粉酶(UAMY)、肝素结合蛋白(HBP)及降钙素原(PCT)等[4, 6-7],而上述指标对重症急性胰腺炎合并感染病情早期预测的研究较少,故本研究旨在探讨上述指标对重症急性胰腺炎病人合并感染早期预测的临床应用价值。
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感染组病人NLR、PLR、WBC、HBP、PCT水平均高于非感染组(P < 0.01),而2组AMS和UAMY水平差异无统计学意义(P>0.05)(见表 1)。
分组 n WBC/(×109/L) AMS/(U/L) UAMY/(U/L) NLR PLR HBP/(ng/mL) PCT/(ng/mL) 非感染组 30 10.93±2.82 425.86±519.09 1 389.60±2 229.78 6.59±2.99 115.17±55.02 50.72±19.26 1.56±0.29 感染组 34 13.67±2.25 519.06±406.17 2 153.67±3 008.96 10.78±4.39 178.53±51.27 82.87±20.58 2.08±0.70 t — 4.32 0.80 1.14 4.50* 4.77 6.43 3.96* P — < 0.01 >0.05 >0.05 < 0.01 < 0.01 < 0.01 < 0.01 *示t′值 表 1 2组病人血、尿相关指标的比较(x±s)
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AMS和UAMY对诊断急性胰腺炎合并感染无统计学意义(P>0.05);WBC、NLR、PLR、HBP和PCT对重症急性胰腺炎病人合并感染的早期预测均有一定价值,而它们的敏感度、特异度及ROC曲线下面积(AUC)则有一定差异(P < 0.05),其中敏感度由大到小为:PLR>PCT>NLR>HBP>WBC,特异度由大到小为:PCT>NLR>PLR>HBP>WBC,AUC由大到小为:PCT>HBP>PLR>NLR>WBC(见表 2、图 1)。
指标 AUC P 截断值 敏感度/% 特异度/% WBC 0.803 < 0.05 11.78 78.90 76.90 AMS 0.599 >0.05 250.00 71.10 61.50 UAMY 0.587 >0.05 875.87 57.90 65.40 NLR 0.824 < 0.05 10.44 84.20 88.50 PLR 0.831 < 0.05 142.06 85.60 84.60 HBP 0.862 < 0.05 72.55 83.70 84.30 PCT 0.883 < 0.05 1.53 84.30 96.20 表 2 血、尿相关指标诊断急性胰腺炎合并感染的价值分析
不同指标对重症急性胰腺炎病人合并感染的早期预测价值分析
Predictive analysis of different biochemical indicators in the assessment of severe acute pancreatitis complicated with infection
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摘要:
目的探讨中性粒细胞与淋巴细胞比值(NLR)、血小板与淋巴细胞比值(PLR)、白细胞(WBC)、血淀粉酶(AMS)、尿淀粉酶(UAMY)、肝素结合蛋白(HBP)及降钙素原(PCT)对重症急性胰腺炎病人合并感染病情预测的临床应用价值,以及特异度及敏感度均较好的感染早期预测指标。 方法回顾性分析重症急性胰腺炎病人64例的临床资料,根据是否合并感染,将64例病人分为感染组34例及非感染组30例。于入院时采集静脉血检测NLR、PLR、WBC、AMS及PCT,采集病人尿液检测UAMY,并对检测数据进行对比分析。 结果非感染组和感染组中WBC、NLR、PLR、HBP、PCT水平差异均有统计学意义(P < 0.01);2组AMS、UAMY水平差异均无统计学意义(P>0.05)。AMS和UAMY对诊断急性胰腺炎合并感染无统计学意义(P>0.05);WBC、NLR、PLR、HBP和PCT指标在采用敏感度、特异度及ROC曲线下面积(AUC)诊断均有统计学意义(P < 0.05),其中敏感度由大到小为:PLR>PCT>NLR>HBP>WBC,特异度由大到小为:PCT>NLR>PLR>HBP>WBC,AUC由大到小为:PCT>HBP>PLR>NLR>WBC。 结论NLR、WBC、PLR、HBP及PCT的监测对重症急性胰腺炎合并感染的早期预测具有一定的临床价值,有助于对病情的判断及对后续治疗的指导。 -
关键词:
- 胰腺炎 /
- 感染 /
- 中性粒细胞与淋巴细胞比值 /
- 血小板与淋巴细胞比值 /
- 肝素结合蛋白 /
- 降钙素原
Abstract:ObjectiveTo explore the clinical application value of neutrophil-lymphocyte ratio (NLR), platelet to lymphocyte ratio (PLR), white blood cell (WBC), blood amylase (AMS), urinary amylase (UAMY), heparin binding protein(HBP) and procalcitonin(PCT) in the evaluation of infection and severity of disease in patients with severe acute pancreatitis, and explore the infection markers with good specificity and sensitivity. MethodsThe clinical data of 64 patients with severe acute pancreatitis were retrospectively analyzed. According to the incidence of co-infection, the 64 patients were divided into the infection group (34 cases) and the non-infection group (30 cases). On admission, venous blood was collected to detect NLR, PLR, WBC, AMS, HBP and PCT. Urine samples were collected to detect UAMY, and the data were analyzed. ResultsThere were significant differences in the levels of WBC, NLR, PLR, HBP and PCT between the non-infection group and the infection group (P < 0.01). There was no significant difference in AMS and UAMY levels between the two groups (P>0.05). AMS and UAMY had no statistical significance in the diagnosis of acute pancreatitis complicated with infection (P>0.05). WBC, NLR, PLR, HBP and PCT had the statistical significance in the diagnosis of severe acute pancreatitis with sensitivity(PLR>PCT>NLR>HBP>WBC), specificity(PCT>NLR>PLR>HBP>WBC) and area under ROC curve (AUC)(PCT>HBP>PLR>NLR>WBC) (P < 0.05). ConclusionsThe monitoring of NLR, PLR, WBC, HBP and PCT has the important clinical value for the early prediction of severe acute pancreatitis complicated with infection, which is helpful to judge the condition and guide the follow-up treatment. -
表 1 2组病人血、尿相关指标的比较(x±s)
分组 n WBC/(×109/L) AMS/(U/L) UAMY/(U/L) NLR PLR HBP/(ng/mL) PCT/(ng/mL) 非感染组 30 10.93±2.82 425.86±519.09 1 389.60±2 229.78 6.59±2.99 115.17±55.02 50.72±19.26 1.56±0.29 感染组 34 13.67±2.25 519.06±406.17 2 153.67±3 008.96 10.78±4.39 178.53±51.27 82.87±20.58 2.08±0.70 t — 4.32 0.80 1.14 4.50* 4.77 6.43 3.96* P — < 0.01 >0.05 >0.05 < 0.01 < 0.01 < 0.01 < 0.01 *示t′值 表 2 血、尿相关指标诊断急性胰腺炎合并感染的价值分析
指标 AUC P 截断值 敏感度/% 特异度/% WBC 0.803 < 0.05 11.78 78.90 76.90 AMS 0.599 >0.05 250.00 71.10 61.50 UAMY 0.587 >0.05 875.87 57.90 65.40 NLR 0.824 < 0.05 10.44 84.20 88.50 PLR 0.831 < 0.05 142.06 85.60 84.60 HBP 0.862 < 0.05 72.55 83.70 84.30 PCT 0.883 < 0.05 1.53 84.30 96.20 -
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