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KMID : 0361620090440050533
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Journal of the Korean Orthopaedic Association
2009 Volume.44 No. 5 p.533 ~ p.541
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Two-Stage Reimplantation of Infected Total Knee Arthroplasty with Antibiotic-Loaded Bone Cement Spacer -Comparison of the Types of Antibiotic-Loaded Cement Spacer-
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Suh Jeung-Tak
Ahn Jae-Min
Kim Tae-Wan
Kang Dong-Joon
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Abstract
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Purpose: The treatment results of a two-stage reimplantation of infected total knee arthroplasty with either the articulating or non-articulating types of antibiotic-loaded bone cement spacers were compared and analyzed.
Materials and Methods: Between July 1995 and October 2005, this study reviewed 29 patients who underwent two-stage reimplantation of infected total knee arthroplasty and were followed up for at least 2 years. Of the 29 cases, 12 used articulating and 17 used the non-articulating type.
Results: Fifteen cases (52%) showed bacterial growth in the preoperative and intraoperative bacterial culture, and 14 cases (48%) had no growth. 27 cases showed no evidence of reinfection until the last follow up after two-stage reimplantation. One out of the 12 cases in the articulating group and 1 out of the 17 cases in the non-articulating group had a reinfection. The range of motion (ROM) of the knee joint and HSS knee rating scale increased more significantly in the articulating group than in the non-articulating group, and the degree of increase in the ROM of the knee joint and HSS knee rating scale was significantly larger in the articulating group.
Conclusion: The two-stage reimplantation with an antibiotic-loaded bone cement spacer showed a 93.1 % of success rate. The articulating group showed better results in the knee ROM and HSS knee rating scale than the non-articulating group
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KEYWORD
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Infected total knee arthroplasty, Two stage reimplantation, Antibiotic-loaded bone cement spacer, Articulating, Non-articulating
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