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KMID : 0357919810150040415
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Korean Journal of Pathology
1981 Volume.15 No. 4 p.415 ~ p.421
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Infections with Acinetobaeter calcoaceticus
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김의종/Eui Chong Kim
차영주/석종성/박명희/김상인/Young Joo Cha/Jong Sung Suck/Myoung Hee Park/Sang In Kim
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Abstract
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Acinetobacter calcoaceticus is widely prevalent in nature and frequently is a
commensal in humans. In recent years, however, infections due to this organism are
considered to occur more frequently than commonly appreciated, especially among
seriously ill hospitalize patients.
A spectrum of clinical infections due to A. calcoaceticus seen in 119 patients at Seoul
National University Hospital over a one-year period is presented through at retrospective
review of 242 patients with Positive culture for A. calcoaceticus.
The results are as follows.
1) Most frequent type of specimens from which A. calcoaceticus was isolated was
sputum(37%) followed by pus(30%), urine(24%), and blood(9%) in decreasing order of
frequency.
2) Other organisms were isolated in combination with A. calcoaceticus in 40% of the
infoctions.
3) According to Glew's diagnostic criteria, 119(49%) out of 242 patients were
diagnosed as significant clinical infection due to A. calcoaceticus. Most frequent type of
significant acinetobacter infection was pulmonary(35%) and urinary(35%) followed by
wound infection(27%) and septicelaia(3%).
4) Virtually all of the patients had one of more underlying diseases or predisposing
factors; prior antibiotic therapy(79%), instrumentation(11%), local trauma and
disease(53%) and surgery (49%).
5) Mortality rate ascribed to A. calcoaceticug infection was 7% and especially high
mortality was encountered in patients with pneumonia (l7%).
6) Antibiotic sensitivity test revealed relatively high susceptibility of A. calcoaceticus
to gentamicin and claforan (HR 756), however the sensitivity pattern was quite variable
among different strains of A. calcoaceticus.
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