• Ophthal Plast Reconstr Surg · May 1999

    Case Reports

    Repair of orbital floor fractures with hydroxyapatite block scaffolding.

    • B N Lemke and D O Kikkawa.
    • Department of Ophthalmology and Visual Sciences, University of Wisconsin School of Medicine, Madison, USA.
    • Ophthal Plast Reconstr Surg. 1999 May 1; 15 (3): 161-5.

    PurposeTo determine the efficacy of using a scaffold of hydroxyapatite blocks within the maxillary sinus to treat patients with large orbital floor fractures and secondary vertical globe dystopia.MethodsCase series of five patients. Hydroxyapatite blocks were stacked within the maxillary antrum to support the reconstructed orbital floor.ResultsAll patients had good results, though mild residual enophthalmos persisted in three patients. The orbital floor implants and globe positions remained stable during follow-up intervals ranging from 46 to 65 months. No adverse postoperative complications, such as sinusitis, developed.ConclusionsHydroxyapatite block scaffolding is a useful alternative to metallic floor implants and autologous bone grafts in the reconstruction of large traumatic orbital floor defects associated with vertical globe dystopia.

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