Characteristics of multidrug-resistant organism infections in a hospital for three consecutive years
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摘要:
目的 了解安徽省马鞍山十七冶医院2016年1月—2018年12月的多重耐药菌检出及分布情况。 方法 回顾性分析安徽省马鞍山十七冶医院2016年1月—2018年12月的临床送检标本中分离的多重耐药菌(MDROs)检测资料。 结果 2016—2018年间分别检出MDROs 314株、420株、359株,MDROs分离率为28.31%、35.35%、30.95%,差异有统计学意义(P < 0.05)。2017年及2018年分离出的病原菌中,MDROs所占比例均超过30.00%。2016—2018年产超广谱β-内酰胺酶(ESBLs)肺炎克雷伯菌检出率分别为33.90%、67.54%、40.98%(P < 0.05);耐甲氧西林金黄色葡萄球菌(MRSA)检出率分别为20.51%、19.09%、38.53%(P < 0.05);多重耐药鲍曼不动杆菌检出率分别为68.42%、46.15%、45.24%(P < 0.05),呈逐年下降趋势;耐碳青霉烯类肺炎克雷伯菌检出率分别为0.00%、5.26%、9.84%(P < 0.05),呈逐年上升趋势。MDROs检出构成比最多的科室为内科,其次为ICU。其中,泌尿外科MDROs检出构成比分别为9.24%、9.76%、6.41%(P < 0.05)。脑外科MDROs检出构成比分别为1.59%、1.46%、5.57%(P < 0.05)。MDROs检出最多的标本类型依次为痰液、尿液及其他。 结论 MDROs检出率呈总体上升,尤其是耐碳青霉烯类肺炎克雷伯菌的分离率正逐年增加。应加强对MDRO感染的预防与控制管理,促进临床合理使用抗菌药物。 Abstract:Objective To explore the detection and distribution of multi-drug resistant organism (MDRO) in the Hospital of China Seventeenth Metallurgical Group Co., Ltd. Methods The monitoring data for MDROs isolated from clinical thesamples submitted by the hospital of China Seventeenth Metallurgical Group Co., Ltd. from 2016 to 2018 were analyzed retrospectively. Results From 2016 to 2018, 314 strains, 420 strains and 359 strains of MDROs were detected. The isolation rate of MDROs were 28.31%, 35.35% and 30.95%, with statistically significant difference (P < 0.05). MDROs accounted for more than 30.00% of the isolated pathogens in both 2017 and 2018. The positive rates of klebsiella pneumoniae producing ESBLs were 33.90%, 67.54% and 40.98% in 2016, 2017 and 2018, respectively (P < 0.05). The detection rates of Methicillin-resistant Staphylococcus aureus (MRSA) were 20.51%, 19.09% and 38.53% in 2016, 2017 and 2018 respectively (P < 0.05). The detection rates of Acinetobacter baumannii with multiple-drug resistance were 68.42%, 46.15% and 45.24% in 2016, 2017 and 2018, respectively (P < 0.05), showed a decreasing trend year by year. The detection rates of carbapenems-resistant Klebsiella pneumoniae were 0.00%, 5.26% and 9.84% in 2016, 2017 and 2018, respectively (P < 0.05), showing an increasing trend year by year. The department with the highest proportion of MDROs detection was internal medicine, followed by ICU. The composition ratio of MDROs in urology were 9.24%, 9.76% and 6.41%, respectively (P < 0.05). The composition ratio in brain surgery were 1.59%, 1.46% and 5.57%, respectively (P < 0.05). The most common types of specimens with high detection rates of MDROs were sputum, urine, and others. Conclusion The detection rate of MDROs showed an overall increase, especially the isolation rate of carbapenems-resistant Klebsiella pneumoniae was increasing year by year. The prevention, control and management of MDROs infection should be strengthened to promote the rational use of antibiotics in clinical practice. -
Key words:
- Multi-drug resistant organisms /
- Drug resistance /
- Trend
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表 1 2016—2018年多重耐药菌检出情况
年份 病原菌 多重耐药菌
[株(%)]χ2值 P值 2016年 1 109 314(28.31) 13.508 0.001 2017年 1 188 420(35.35) 2018年 1 160 359(30.95) 表 2 2016—2018年常见多重耐药菌检出情况比较
菌名 2016年 2017年 2018年 χ2值 P值 菌株数(株) 检出率(%) 菌株数(株) 检出率(%) 菌株数(株) 检出率(%) 产超广谱β-内酰胺酶大肠埃希菌 114/171 66.67 124/178 69.66 125/173 72.25 1.270 0.530 产超广谱β-内酰胺酶肺炎克雷伯菌 40/118 33.90 77/114 67.54 50/122 40.98 29.203 < 0.001 多重耐药铜绿假单胞菌 19/104 18.27 24/110 21.82 23/131 17.56 0.773 0.679 耐甲氧西林金黄色葡萄球菌 16/78 20.51 21/110 19.09 42/109 38.53 12.606 0.002 耐万古肠球菌 0/26 0.00 0/64 0.00 0/42 0.00 多重耐药鲍曼不动杆菌 39/57 68.42 18/39 46.15 19/42 45.24 7.000 0.030 耐碳青霉烯类肺炎克雷伯菌 0/92 0.00 6/114 5.26 12/122 9.84 10.008 0.007 耐碳青霉烯类大肠埃希菌 1/171 0.58 2/178 1.12 3/173 1.73 0.963 0.618 表 3 多重耐药菌主要科室分布[株(%)]
科室 2016年 2017年 2018年 χ2值 P值 ICU 64(20.38) 77(18.78) 90(25.07) 5.419 0.067 内科 114(36.31) 130(31.71) 104(28.97) 4.717 0.095 普外科 28(8.92) 52(12.68) 35(9.75) 2.628 0.269 儿科 24(7.64) 44(10.73) 29(8.08) 2.203 0.332 妇产科 11(3.50) 20(4.88) 17(4.74) 0.056 0.972 肿瘤科 15(4.78) 14(3.41) 18(5.01) 1.572 0.456 老年病科 10(3.18) 19(2.20) 9(2.50) 2.458 0.293 泌尿外科 29(9.24) 40(9.76) 23(6.41) 7.473 0.024 骨科 14(4.46) 18(4.39) 14(3.90) 0.242 0.886 脑外科 5(1.59) 6(1.46) 20(5.57) 14.526 0.001 合计 314(100.00) 420(100.00) 359(100.00)
表 4 某医院2016—2018年多重耐药菌标本来源[株(%)]
标本名称 2016年 2017年 2018年 χ2值 P值 痰液 98(31.21) 130(30.95) 122(33.98) 0.950 0.622 尿液 82(26.11) 119(28.33) 113(31.48) 2.404 0.301 血液 33(10.51) 48(11.43) 37(10.31) 0.291 0.865 咽拭子 26(8.28) 33(7.86) 12(3.34) 8.804 0.012 伤口拭子 8(2.55) 6(1.43) 3(0.84) 3.236 0.198 引流液 6(1.91) 13(3.10) 12(3.34) 1.412 0.494 其他 61(19.43) 71(16.90) 60(16.71) 1.058 0.589 合计 314(100.00) 420(100.00) 359(100.00)
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