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Clinical Characteristics and Causative Pathogens of Infective Arthritis and Risk Factors for Gram-Negative Bacterial Infections

 Yongseop Lee  ;  Yun Suk Cho  ;  Yu Jin Sohn  ;  Jong Hoon Hyun  ;  Sang Min Ahn  ;  Woon Ji Lee  ;  Jung Ho Kim  ;  Hye Seong  ;  Junhyoung Kim  ;  Su Jin Jeong  ;  Nam Su Ku  ;  Joon Sup Yeom  ;  Jin Young Ahn  ;  Jun Yong Choi 
 INFECTION AND CHEMOTHERAPY, Vol.52(4) : 503-515, 2020-12 
Journal Title
Issue Date
Arthritis, infectious ; Gram-negative bacterial infections ; Methicillin resistance ; Risk factors
Background: The aim of this study was to describe the clinical and microbiological characteristics of infective arthritis and to analyze risk factors for Gram-negative bacterial infections that cause infective arthritis.

Materials and methods: Patients admitted between 2009 - 2018 with infective arthritis in a single-tertiary hospital were evaluated retrospectively.

Results: A total of 181 patients were enrolled in this study. Of them, 135 were native joint infection patients and 46 were prosthetic joint infection patients. The most common site of infective arthritis was the knee (63.6%), followed by the shoulder (17.7%), and the hip (9.9%). The most frequently identified microorganisms were Staphylococcus aureus (51.1%), followed by Streptococci sp. (21.1%), Enterobacteriaceae (8.4%), and coagulase-negative-Staphylococci (CNS; 8.4%). Infections due to Gram-negative bacteria and fungi made up 13.7% and 3.2% of all cases, respectively. Additionally, 20% and 4.2% of the cases involved methicillin-resistant S. aureus (MRSA) and MRCNS. We found that bacteriuria, infective arthritis in the hip, and steroid use at admission are independent risk factors for Gram-negative bacterial infections.

Conclusion: Infective arthritis with methicillin-resistant microorganisms reached up to about 25% in a single-tertiary hospital in Korea. In case of suspected urinary tract infection, infective arthritis of the hip joint, or steroid use at admission time among infective arthritis patients, empirical treatment covering Gram-negative microorganisms can be considered.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Ku, Nam Su(구남수) ORCID logo https://orcid.org/0000-0002-9717-4327
Kim, Jung Ho(김정호) ORCID logo https://orcid.org/0000-0002-5033-3482
Seong, Hye(성혜) ORCID logo https://orcid.org/0000-0002-5633-7214
Sohn, Yujin(손유진)
Ahn, Jin Young(안진영) ORCID logo https://orcid.org/0000-0002-3740-2826
Yeom, Joon Sup(염준섭) ORCID logo https://orcid.org/0000-0001-8940-7170
Jeong, Su Jin(정수진) ORCID logo https://orcid.org/0000-0003-4025-4542
Cho, Yunsuk(조윤숙)
Choi, Jun Yong(최준용) ORCID logo https://orcid.org/0000-0002-2775-3315
Hyun, Jong Hoon(현종훈) ORCID logo https://orcid.org/0000-0002-9621-0250
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