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中华实验和临床感染病杂志(电子版) ›› 2024, Vol. 18 ›› Issue (06) : 335 -342. doi: 10.3877/cma.j.issn.1674-1358.2024.06.003

论著

新生儿多重耐药菌感染危险因素及超敏C-反应蛋白与白蛋白比值的诊断价值
刘庆倩1,2, 乔林霞3, 曹亦陶4, 孙晓君2, 黄锋1,2,()   
  1. 1.215300 昆山市,昆山市妇幼保健院检验科
    2.215300 昆山市,江苏大学附属昆山医院检验科
    3.215300 昆山市,江苏大学附属昆山医院新生儿科
    4.215300 昆山市,昆山市第二人民医院儿科
  • 收稿日期:2024-09-18 出版日期:2024-12-15
  • 通信作者: 黄锋
  • 基金资助:
    江苏省妇幼健康科研项目(No.F201937)苏州医学重点学科项目(No.SZXK202124)

Risk factors for neonatal multidrug-resistant bacterial infection and diagnostic value of hypersensitive C-reactive protein to albumin ratio

Qingqian Liu1,2, Linxia Qiao3, Yitao Cao4, Xiaoju Sun2, Feng Huang1,2,()   

  1. 1.Department of Clinical Laboratory,The Maternity and Child Care Hospital of Kunshan,Kunshan 215300,China
    2.Department of Clinical Laboratory,The Affiliated Kunshan People's Hospital of Jiangsu University,Kunshan 215300,China
    3.Neonatology Department,The Affiliated Kunshan People's Hospital of Jiangsu University,Kunshan 215300,China
    4.Pediatrics Department,Kunshan Second People's Hospital,Kunshan 215300,China
  • Received:2024-09-18 Published:2024-12-15
  • Corresponding author: Feng Huang
引用本文:

刘庆倩, 乔林霞, 曹亦陶, 孙晓君, 黄锋. 新生儿多重耐药菌感染危险因素及超敏C-反应蛋白与白蛋白比值的诊断价值[J/OL]. 中华实验和临床感染病杂志(电子版), 2024, 18(06): 335-342.

Qingqian Liu, Linxia Qiao, Yitao Cao, Xiaoju Sun, Feng Huang. Risk factors for neonatal multidrug-resistant bacterial infection and diagnostic value of hypersensitive C-reactive protein to albumin ratio[J/OL]. Chinese Journal of Experimental and Clinical Infectious Diseases(Electronic Edition), 2024, 18(06): 335-342.

目的

分析新生儿重症监护病房(NICU)患儿感染多重耐药菌(MDRO)的危险因素及超敏C-反应蛋白与白蛋白比值(hs-CRP/ALB)的诊断价值。

方法

以2020年10月至2023年10月昆山市妇幼保健院NICU中发生MDRO感染的105例新生儿作为MDRO组,非MDRO感染的150例作为非MDRO组,收集同期150例健康新生儿为健康组。采用多因素Logistic回归分析感染MDRO的危险因素并采用受试者特征工作(ROC)曲线评价hs-CRP/ALB对新生儿感染MDRO的诊断价值。

结果

出生时体重(OR = 2.065、95%CI:1.184~3.600、P = 0.011)、Apgar评分(OR = 2.470、95%CI:1.294~4.717、P = 0.006)、抗菌药物使用时间(OR = 2.576、95%CI:1.287~5.155、P = 0.008)、深静脉置管(OR = 2.751、95%CI:1.268~5.971、P = 0.010)均为NICU新生儿感染MDRO的独立危险因素。与健康组相比,MDRO组患儿hs-CRP、ALB、白细胞(WBC)、中性粒细胞/淋巴细胞比值(NLR)、中性粒细胞绝对数(NEUT#)和hs-CRP/ALB在入院第1天和第3天均显著高于健康组(P均< 0.05)。与非MDRO组相比,MDRO组患儿hs-CRP、ALB、WBC、NLR、NEUT#和hs-CRP/ALB入院第1天差异均无统计学意义(P均> 0.05),但入院第3天hs-CRP、ALB、NLR和hs-CRP/ALB差异具有统计学意义(P均< 0.05)。第3天检测hs-CRP/ALB用于区别诊断MDRO和非MDRO组新生儿的敏感性为63.09%,特异度为86.67%;与存活组相比,死亡组患儿hs-CRP、ALB、hs-CRP/ALB在入院第3天和第5天差异具有统计学意义(P均< 0.05),NLR入院第5天差异有统计学意义(Z =3.878、P < 0.001),NEUT#入院第3天差异有统计学意义(Z = 2.533、P = 0.013),而WBC入院第3天和第5天差异均无统计学意义(P均> 0.05)。耐甲氧西林葡萄球菌(MRSA)、耐万古霉素肠球菌(VRE)、多重耐药/泛耐药铜绿假单胞菌(MDR/PDR-PA)感染新生儿hs-CRP/ALB均> 0.36;耐甲氧西林凝固酶阴性葡萄球菌(MRCNS)、产超广谱β-内酰胺酶(ESBLs)肠杆菌科细菌、耐碳青霉烯类肠杆菌科细菌(CRE)和耐碳青霉烯类鲍曼不动杆菌(CR-AB)感染的新生儿hs-CRP/ALB>0.36者分别占83.33%、86.67%、80.00%和80.00%。

结论

检测hs-CRP/ALB可初步判断新生儿感染程度,且应针对新生儿感染MDRO危险因素采取相应预防措施。

Objective

To analyze the risk factors of multidrug-resistant bacterial (MDRO) infection in neonatal intensive care unit (NICU) and the diagnostic value of hypersensitive C-reactive protein to albumin ratio (hs-CRP/ALB).

Methods

Total of 105 neonates with MDRO infection in NICU of The Maternity and Child Care Hospital of Kunshan from October 2020 to October 2023 were collected as MDRO group, 150 neonates without MDRO infection as non-MDRO group, and 150 healthy newborns as healthy group during the same period.The risk factors for MDRO infection were analyzed by Logistic regression analysis.The diagnostic value of hs-CRP/ALB for neonatal MDRO infection were evaluated by receiver operating curve (ROC) analysis.

Results

Birth weight (OR = 2.065, 95%CI: 1.184-3.600, P = 0.011), Apgar score (OR = 2.470, 95%CI: 1.294-4.717, P = 0.006), duration of antibiotic use (OR = 2.576, 95%CI: 1.287-5.155, P = 0.008), and deep venous catheterization (OR = 2.751, 95%CI: 1.268-5.971, P = 0.010) were all independent risk factors for neonatal MDRO.Compared with the healthy group, hs-CRP, ALB, white blood cell (WBC) count, neutrophil-to-lymphocyte ratio (NLR), absolute neutrophil count (NEUT#) and hs-CRP/ALB in the MDRO group were significantly higher on the first and the third day after admission (all P < 0.05).Compared with non-MDRO group, there was no significant difference for hs-CRP, ALB, WBC, NLR, NEUT#and hs-CRP/ALB on the first day after admission in MDRO group (all P > 0.05), but on the third day after admission, hs-CRP, ALB, NLR and hs-CRP/ALB were statistically significant (all P < 0.05).On the third day,the sensitivity and specificity of hs-CRP/ALB for the diagnosis of neonates in MDRO group and non-MDRO group were 63.09% and 86.67%, respectively.Compared with the survival group, the death group showed significant differences in hs-CRP, ALB and hs-CRP/ALB on the third and the fifth day after admission (all P < 0.05), NLR was significantly different on the fifth day after admission (Z = 3.878, P < 0.001); NEUT#was significantly different on the third day after admission (Z = 2.533, P = 0.013); However, there was no significant difference of WBC on the third and the fifth day after admission (all P > 0.05).Hs-CRP/ALB of all neonates infected with methicillin-resistant Staphylococcus aureus (MRSA), vancomycin-resistat Enterococcus(VRE) and multidrug/pan-drug-resistant Pseudomonas aeruginosa (MDR/PDR-PA) were all higher than 0.36.Among the Methicillin-resistant coagulase-negative Staphylococci (MRCNS), extended-spectrum β-lactamase(ESBLs)-producing Enterobacteriaceae, carbapenem-resistant Enterobacteriaceae (CRE) and carbapenemresistant Acinetobacter baumannii (CR-AB) infection-resistant neonates, hs-CRP/ALB > 0.36 accounted for 83.33%, 86.67%, 80.00% and 80.00%, respectively.

Conclusions

The detection of hs-CRP/ALB ratio can be used to preliminarily determine the severity of neonatal infection and corresponding preventive measures should be taken for the risk factors of neonatal MDRO infection.

表1 MDRO 组与非MDRO 组患儿临床特征 [例(%)]
图1 新生儿发生MDRO感染影响因素的多因素Logistic回归分析 注:由于胎龄和体重两个变量之间存在共现性,在多因素Logistic回归分析中未纳入
表2 MDRO 组、非MDRO 组和健康组新生儿入院第1 天和第3 天实验室指标
实验室指标 MDRO组(105例) 非MDRO组(150例) 健康组(150例) 统计量 P
入院第1天
hs-CRP[M(P25,P75),mg/L] 11.12(7.35,15.97)a 10.16(5.5,13.47) 0.25(0.05,0.98) H=265.724 <0.001
ALB(xˉ±s,g/L) 35.41±4.55a 35.28±3.47 40.80±3.69 F=3.313 0.037
WBC[M(P25,P75),×109/L] 12.28(10.07,16.56)a 12.96(10.02,16.33) 7.54(5.48,10.60) H=111.367 <0.001
NLR[M(P25,P75)] 4.87(4.01,5.98)a 4.86(4.06,5.95) 2.99(2.67,3.65) H=208.530 <0.001
NEUT#[M(P25,P75),×109/L] 10.45(6.99,11.65)a 8.65(6.44,10.96) 2.25(1.47,4.07) H=232.040 <0.001
hs-CRP/ALBM[(P25,P75)] 0.33(0.21,0.46)a 0.30(0.17,0.37) 0.01(0.00,0.23) H=267.977 <0.001
入院第3天
hs-CRP[M(P25,P75),mg/L] 15.32(11.28,17.93)ab 10.23(8.02,13.13) 0.46(0.05,1.01) H=284.848 <0.001
ALB(xˉ±s,g/L) 30.24±4.31ab 33.76±3.45 40.76±3.66 F=369.33 <0.001
WBC[M(P25,P75),×109/L] 12.36(9.21,15.46)a 11.87(8.96,15.28) 7.54(5.54,10.60) H=81.832 <0.001
NLR[M(P25,P75)] 5.98(5.26,6.65)ab 3.65(3.16,4.16) 2.99(2.67,3.65) H=215.157 <0.001
NEUT#[M(P25,P75),×109/L] 8.45(7.65,12.68)a 8.65(6.65,11.25) 3.87(2.25,4.00) H=176.330 <0.001
hs-CRP/ALBM[(P25,P75)] 0.47(0.37,0.65)ab 0.32(0.23,0.36) 0.13(0.00,0.26) H=298.568 <0.001
图2 新生儿发生MDRO感染第3天实验室指标的ROC曲线
表3 诊断新生儿发生MDRO 感染实验室指标的ROC 曲线分析
表4 存活组与死亡组患儿入院第3 天和第5 天实验室指标
表5 MDRO 感染组患儿不同病原菌hs-CRP/ALB > 0.36 的株数 [株(%)]
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