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You, Seo, Kim, Park, and Lee: A Case of Ceftazidime-Nonsusceptible Burkholderia pseudomallei Infection

Abstract

Melioidosis, which is an infectious disease caused by Burkholderia pseudomallei, is prevalent mostly in Southeast Asia and northern Australia; it can progress to abscess formation, pneumonia and sepsis, and ultimately cause death. A 66-yr-old male patient with diabetes mellitus was hospitalized for sepsis 3 months after coming back from Cambodia, and B. pseudomallei was identified from the blood culture. The B. pseudomallei strain was found to be susceptible to carbapenem, and non-susceptible to trimethoprim/sulfamethoxazole and ceftazidime. Although the patient was treated with carbapenem, to which the strain was susceptible, the bacteremia persisted, and progressed to septic shock and pneumonia, and eventually to acute respiratory distress syndrome (ARDS). The patient died on the 12th day of hospitalization. This study, which reports the first case of ceftazidime-nonsusceptible B. pseudomallei in Korea, indicates the importance of B. pseudomallei infection, which is highly likely to be imported to Korea, and discuss its clinical progress, which can lead to fatality.

Figures and Tables

Fig. 1

Colonies on blood agar grew small, smooth and ordinary after 15 hr of incubation (A), but they turned into typical wrinkled appearance after 48 hr of incubation (B). On gram staining, B. pseudomallei is a gram negative rod with a characteristic "safety pin" appearance (C).

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Table 1

Cases of B. psudomallei infection in Korea

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Case No. Year Area visited Nationality Sex Age Riskfactor Clinical diseases Antimicrobial susceptibility test Treatments Outcome
1 2003 Indonesia Korea M 50 None Pneumonia CAZ → AMC Survive
2 2004 Malaysia Korea M 47 DM Pneumonia CAZ ( → DOX) + SXT Survive
3 2008 Thailand Thailand M 32 DM Septic shock S : CAZ, SXT, CIP, TZP, MEM
R : CEPEPIME
Cefepime Death (HD 3)
4 2009 Cambodia Korea M 47 DM Pneumonia
Septic shock
S : CAZ, IMI, CIP Cefepime + azithromycin Death (HD1)
5 2010 Malaysia Korea M 48 DM Pneumonia
Prostate abscess
S : CAZ, MEM, SXT CAZ ( → MEM) + SXT Survive
6 2010 Malaysia Korea M 55 None Septic shock
Neck abscess
S : CAZ, IMI, MEM, CIP
R : SXT, Colistin
MEM Death (HD 8)
7 2011 Philippine Korea M N/A Tb Lung abscess Survive
case 2013 Cambodia Korea M 66 DM Septic shock S : IMI
R : CAZ, SXT
MEM Death (HD 12)

Abbreviations: DM, diabetes mellitus; Tb, tuberculosis; S, susceptible; R, resistant; CAZ, ceftazidime; AMC, amoxicillin/clavulanic acid; DOX, doxycycline; SXT, trimethoprim-sulfamethoxazole; CIP, ciprofloxacin; TZP, piperacillin/tazobactam; MEM, meropenem; IMI, imipenem; HD, hospital days.

Notes

This article is available from http://www.labmedonline.org

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