Penetration of Methicillin, Oxacillin, and Cephalothin into Bone and Synovial Tissues

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RESUMO

The penetrations of methicillin, oxacillin, and cephalothin into cortical bone and synovial tissues were studied 1 h after their intravenous administration in 105 patients having arthroplasty of the hip. Although the lowest serum levels were noted with cephalothin (P < 0.01), more patients receiving cephalothin achieved osseous drug levels inhibitory to staphylococci (P < 0.01). Differences in the penetration of the three agents into synovial tissues were not statistically significant.

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