• Bmc Musculoskel Dis · Jun 2017

    Comparative Study

    Outcomes of cement beads and cement spacers in the treatment of bone defects associated with post-traumatic osteomyelitis.

    • Xu-Sheng Qiu, Yi-Xin Chen, Xiao-Yang Qi, Hong-Fei Shi, Jun-Fei Wang, and Jin Xiong.
    • Department of Orthopaedics, Nanjing University Medical School Affiliated Nanjing Drum Tower Hospital, No. 321 Zhongshan Road, Nanjing, China.
    • Bmc Musculoskel Dis. 2017 Jun 12; 18 (1): 256.

    BackgroundCement spacers (Masquelet technique) have traditionally been used for the treatment of segmental bone defects. However, no reports have used cement spacers for the treatment of small/partial segmental bone defects associated with osteomyelitis and compared the outcomes with cement beads.MethodsWe retrospectively analysed 40 patients with post-traumatic osteomyelitis of the tibia who underwent treatment, which was performed in two stages. In the first stage, thorough debridement was performed, and bone defects were filled with either antibiotic-impregnated cement beads (bead group, 18 patients) or spacers (spacer group, 22 patients). In the second stage, the cement beads or spacers were removed (for the spacer group, the induced membrane formed by the spacer was preserved) and the bone defects were filled with cancellous autografts.ResultsAll patients in the bead group had small/partial segmental bone defects after debridement, while 3 patients in the spacer group had large/segmental bone defects. The mean volume of bone defects of the spacer group (40.4 cm3) was significantly larger than that of the bead group (32.4 cm3). The infection control rate (88.9%,16/18 vs 90.9%, 20/22), bone healing time (8.5 months vs 7.5 months) and complication rates (22.2%, 4/18 vs 27.2%, 6/22) were comparable between bead group and spacer group.ConclusionThe results of this study suggest that cement spacers may have an infection control rate comparable to cement beads in the treatment of bone defects associated with post-traumatic osteomyelitis. Furthermore, cement spacers could be used for the reconstruction of small/partial segmental bone defects as well as for large/segmental bone defects, whereas cement beads were not suitable for the reconstruction of large/segmental bone defects.

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