Knee Surg Relat Res 2008 Jun; 20(1): 44-49  
Etiologic Transition of Septic Arthritis of the Knee
서승석 ( Seung Suk Seo ), 하동준 ( Dong Jun Ha ), 김창완 ( Chang Wan Kim ), 김경환 ( Kyoung Whan Kim ), 서진혁 ( Jin Hyuk Seo )
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Purpose: The purpose of this study was to retrospectively analyze the etiologic transition of the predisposing factors and organisms for septic arthritis of the knee. Materials and Methods: Between January 1995 and December 2006, 122 cases of septic arthritis of the knee were retrospectively evaluated for the etiologic transition and causative organism with using the patients` medical records. We researched the incidence and causative factor of septic arthritis of the knee, which was diagnosed via the patients` symptoms, physical examinations, hematologic exams, culture studies & cytology of the joint fluid. We assessed the correlation of disease with age, the year the disease happened, the causative factors and the incidence. Results: Septic arthritis of the knee was increased after 40 years old, and it also increased after 1998. The most common predisposing factor was intra-articular injection of the knee joint. Even though there were no detected organisms in 79 cases (64.8%), the most common causative organism was S. aureus (20.5%). Conclusion: The most common etiologic factor of septic arthritis of the knee was an intra-articular injection. We should be prudent for using good aseptic technique and the correct procedure to reduce the secondary infection that`s recently due to increased invasive treatment of the knee joint.
Keywords: 슬관절, 화농성 관절염, 발생 빈도, 발생 원인, Knee, Septic arthritis, Incidence, Causative factor


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