一项关于静脉插管的临床与微生物学研究。
A clinical and microbiological study of venous catheterization.
作者信息
Smith J A, Selick A, Edelist G
出版信息
Can Med Assoc J. 1973 Jul 21;109(2):115-7 passim.
In a prospective study of 210 intravenous catheters and needles 31 (15%) swabs yielded 34 microbial isolates. Twenty-eight were "non-pathogenic" skin commensals and six were "pathogenic" organisms. Commensals were isolated predominantly from catheters left in situ for only a short time (up to two days) and pathogenic organisms most frequently from specimens left in situ for a longer time. Correlation was not confirmed between colonization and infection, antibiotic therapy or phlebitis. All samples of IV fluids were sterile on culture. Changing the IV catheter at least every two days is recommended.
在一项对210根静脉导管和针头的前瞻性研究中，31份（15%）拭子培养出34株微生物分离株。28株为“非致病性”皮肤共生菌，6株为“致病性”微生物。共生菌主要从原位留置时间较短（最长两天）的导管中分离得到，而致病微生物最常从原位留置时间较长的标本中分离得到。未证实定植与感染、抗生素治疗或静脉炎之间存在相关性。所有静脉输液样本培养均无菌。建议至少每两天更换一次静脉导管。
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