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中华实验和临床感染病杂志(电子版) ›› 2018, Vol. 12 ›› Issue (01) : 35 -39. doi: 10.3877/cma.j.issn.1674-1358.2018.01.007

所属专题: 文献

临床论著

难愈性创面感染的病原菌分布及定植感染相关因素
倪俊1,(), 许献荣1, 陈瑞彩1   
  1. 1. 200052 上海,解放军第85医院烧伤整形外科
  • 收稿日期:2017-03-14 出版日期:2018-02-15
  • 通信作者: 倪俊
  • 基金资助:
    上海市卫生局科研基金(No. 20134489)

Distribution of pathogenic bacteria and risk factors of colonization and infection of refractory wound

Jun Ni1,(), Xianrong Xu1, Ruicai Chen1   

  1. 1. Department of Burns and Plastic Surgery, The 85th Hospital of PLA, Shanghai 200052, China
  • Received:2017-03-14 Published:2018-02-15
  • Corresponding author: Jun Ni
  • About author:
    Corresponding author: Ni Jun, Email:
引用本文:

倪俊, 许献荣, 陈瑞彩. 难愈性创面感染的病原菌分布及定植感染相关因素[J/OL]. 中华实验和临床感染病杂志(电子版), 2018, 12(01): 35-39.

Jun Ni, Xianrong Xu, Ruicai Chen. Distribution of pathogenic bacteria and risk factors of colonization and infection of refractory wound[J/OL]. Chinese Journal of Experimental and Clinical Infectious Diseases(Electronic Edition), 2018, 12(01): 35-39.

目的

分析难愈性创面感染病原菌的分布及定植感染的相关因素,探讨相应的防治措施。

方法

收集2012年至2015年本院烧伤外科难愈性创面感染者的临床资料,回顾性分析病原菌分布及定植感染相关的危险因素。

结果

从难愈性创面感染中共分离出265株病原菌,其中革兰阳性菌116株(43.77%),革兰阴性菌149株(56.23%)。常见的病原菌为金黄色葡萄球菌(104株,39.25%)、铜绿假单胞菌(71株,26.79%)和大肠埃希菌(28株,10.57%)。177例患者中138例有定植感染,39例无定植感染。单因素分析结果显示,创面面积(Z =-3.970、P < 0.001)、近日住院史(χ2 = 5.865、P = 0.015)、住院时间超2周(χ2 = 5.869、P = 0.0154)、低血红蛋白(χ2 = 6.545、P = 0.011)、近期导管植入(χ2 = 5.710、P = 0.017)、近期手术(χ2 = 4.320、P = 0.038)和近期输液治疗(χ2 = 10.023、P = 0.002)为病原菌定植感染的危险因素。多元回归分析结果显示,创面面积(OR = 1.516、95%CI:1.140~2.015,Waldχ2 = 8.179、P = 0.004)为病原菌定植感染的独立危险因素。

结论

本院烧伤外科难愈性创面感染分泌物病原菌中革兰阴性菌占优势,创面面积与病原菌定植感染密切相关。

Objective

To investigate the distribution of pathogenic bacteria and the risk factors of colonization and infection on refractory wound, and to provide reference for the prevent and treatment of refractory wound infection.

Methods

The clinical data of pathogenic bacteria distribution and the risk factors of pathogenic bacteria colonization and infection on refractory wound of burns of surgery inpatients in our hospital from 2012 to 2015 were analyzed, retrospectively.

Results

Total of 265 strains of pathogens were isolated, including 116 strains (43.77%) of Gram-positive and 149 strains (56.23%) of Gram-negatives bacteria. The common pathogenic bacteria were Staphylococcus aureus (104 strains, 39.25%), Pseudomonas aeruginosa (71 strains, 26.79%) and Escherichia coli (28 strains, 10.57%). Totally 177 patients were collected, among whom, 138 patients were with bacteria colonization and infection and 39 patients were without bacteria colonization and infection. Univariate analysis showed that wound area (Z =-3.970, P < 0.001), history of hospitalization (χ2 = 5.865, P = 0.015), hospitalization period longer than two weeks (χ2 = 5.869, P = 0.0154), lower hemoglobin (χ2 = 6.545, P = 0.011), recent implanted catheter (χ2 = 5.710, P = 0.017), recent surgery (χ2 = 4.320, P = 0.038) and recent infusion (χ2 = 10.023, P = 0.002) were all risk factors of positive microorganism culture results. Multivariate Logistic regression analysis indicated that wound area (OR = 1.516, 95%CI: 1.140-2.015, Waldχ2 = 8.179, P = 0.004) was an independent risk factor of bacteria colonization and infection.

Conclusions

Gram-negatives bacteria were dominant bacteria on the refractory wound of burns surgery department of our hospital. Wound area was closely related with the pathogenic bacteria colonization and infection.

表1 本院烧伤外科难愈性创面感染分离的病原菌分布
表2 烧伤外科难愈性创面病原菌定植感染危险因素的单因素分析 [例(%)]
影响因素 无定植感染组(n = 39) 定植感染组(n = 138) 统计量 P
平均年龄(岁) 56.440 ± 23.519 53.960 ± 22.373 t = 0.604 0.546
创面面积(%) 1.00(1.00~2.00) 2.00(1.00~6.00) Z =-3.970 0.000
性别 χ2 = 0.000 0.990
22(56.410) 78(56.522)
17(43.590) 60(43.478)
住院史 χ2 = 5.865 0.015
21(53.846) 45(32.609)
18(46.154) 93(67.391)
本次住院超2周 χ2 = 5.869 0.015
38(97.436) 113(81.884)
1(2.564) 25(18.116)
危重症 χ2 = 0.931 0.517
37(94.872) 124(89.855)
2(5.128) 14(10.145)
长期卧床史 χ2 = 0.763 0.382
34(87.179) 112(81.159)
5(12.821) 26(18.841)
合并基础疾病 χ2 = 1.718 0.190
18(46.154) 80(57.971)
21(53.846) 58(42.029)
血红蛋白降低 χ2 = 6.545 0.011
26(66.667) 60(43.478)
13(33.333) 78(56.522)
白细胞升高 χ2 = 2.924 0.087
33(84.615) 98(74.014)
6(15.385) 40(28.986)
白蛋白降低 χ2 = 0.981 0.322
23(58.974) 69(50.000)
16(41.026) 69(50.000)
空腹血糖升高 χ2 = 0.868 0.352
29(74.359) 112(81.159)
10(25.641) 26(18.841)
近期导管植入 χ2 = 5.710 0.017
35(89.744) 98(71.014)
4(10.256) 40(28.986)
近期手术治疗 χ2 = 4.320 0.038
30(76.923) 81(58.696)
9(23.077) 57(41.304)
近期输液治疗 χ2 = 10.023 0.002
27(69.231) 56(40.580)
12(30.769) 82(59.420)
近期换药治疗 χ2 = 0.531 0.694
2(5.128) 12(8.696)
37(94.872) 126(91.304)
近期抗菌药物治疗 χ2 = 2.881 0.090
20(51.282) 50(36.232)
19(48.718) 88(63.768)
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