{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,8]],"date-time":"2026-05-08T22:39:59Z","timestamp":1778279999868,"version":"3.51.4"},"reference-count":23,"publisher":"American Society for Microbiology","issue":"11","license":[{"start":{"date-parts":[[2012,11,1]],"date-time":"2012-11-01T00:00:00Z","timestamp":1351728000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["Antimicrob Agents Chemother"],"published-print":{"date-parts":[[2012,11]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            The objective of this study was to evaluate the antibacterial activities of joint fluids of patients undergoing total-knee arthroplasty (TKA). Thirty patients who were scheduled for primary cemented TKA were enrolled in the study. The patients were grouped on the basis of whether the cement was without antibiotic loading (control group) or loaded with oxacillin (oxacillin group) or vancomycin (vancomycin group). Cefazolin was administered to every patient as the perioperative prophylactic antibiotic. Samples of joint fluids were collected from the knee joints at 8, 16, 24, 32, 40, and 48 h after prosthesis implantation. We assessed the bioactivities of the joint fluids against methicillin-susceptible\n            <jats:named-content xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" content-type=\"genus-species\" xlink:type=\"simple\">Staphylococcus aureus<\/jats:named-content>\n            (MSSA) and methicillin-resistant\n            <jats:named-content xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" content-type=\"genus-species\" xlink:type=\"simple\">S. aureus<\/jats:named-content>\n            (MRSA). The antibiotic contents of the joint fluid samples were further evaluated by using high-performance liquid chromatography. Against MSSA, all joint fluid samples exhibited at least 24 h of bacterial inhibition activity. The oxacillin (43.2 h \u00b1 2 h) and vancomycin (40.8 h \u00b1 1.8 h) groups exhibited significantly longer durations of antibacterial activities than the control group (28 h \u00b1 1.3 h;\n            <jats:italic>P<\/jats:italic>\n            &lt; 0.05). However, antibacterial activity against MRSA was observed only in the vancomycin group. In conclusion, cefazolin, which was administered as a prophylactic antibiotic in TKA, exhibited good ability for knee joint penetration and was sufficient to inhibit MSSA during its administration. The use of antibiotic-loaded cement can prolong the antibacterial activity of joint fluid in TKA. Further, vancomycin-loaded cement had antibacterial activity against MRSA superior to that of cement loaded with oxacillin or without antibiotic loading.\n          <\/jats:p>","DOI":"10.1128\/aac.01067-12","type":"journal-article","created":{"date-parts":[[2012,8,14]],"date-time":"2012-08-14T02:34:33Z","timestamp":1344911673000},"page":"5541-5546","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":31,"title":["Antibacterial Activity of Joint Fluid in Cemented Total-Knee Arthroplasty: an\n            <i>In Vivo<\/i>\n            Comparative Study of Polymethylmethacrylate with and without Antibiotic Loading"],"prefix":"10.1128","volume":"56","author":[{"given":"Steve W. N.","family":"Ueng","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan, and College of Medicine, Chang Gung University, Taoyuan, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pang-Hsin","family":"Hsieh","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan, and College of Medicine, Chang Gung University, Taoyuan, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hsin-Nung","family":"Shih","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan, and College of Medicine, Chang Gung University, Taoyuan, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yi-Shan","family":"Chan","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan, and College of Medicine, Chang Gung University, Taoyuan, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mel S.","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan, and College of Medicine, Chang Gung University, Taoyuan, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuhan","family":"Chang","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan, and College of Medicine, Chang Gung University, Taoyuan, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"235","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1469-0691.2006.01402.x"},{"key":"e_1_3_2_3_2","doi-asserted-by":"crossref","first-page":"214","DOI":"10.1007\/BF01639652","article-title":"Staphylococcus aureus bacteremia: a critical review of its treatment and association with infective endocarditis","volume":"1","author":"Austin TW","year":"1973","unstructured":"AustinTW WallaceJF. 1973. 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