Introduction: Large cranial defects still represent a challenge in neurosurgery. Currently different biomaterials are available for cranial reconstruction including titanium, acrylic mesh and different types of calcium phosphate-based bone grafts. The goal of surgery is a perfect fit of the implant without infection and absorption, and a good aesthetic result. This paper describes a surgical method for cranioplasty, using a customised porous hydroxyapatite (HA) prosthesis.
Materials And Methods: Sixty patients treated surgically with a customised porous-HA prosthesis for large cranial defects, were followed retrospectively. A two-year follow-up was carried out with periodic visits and CT scans. Safety (the incidence of adverse events and fractures of the implant) and clinical performance (biological and cosmetic results) were evaluated.
Results: Fifty one patients were followed-up, no rejection occurred and only one case of infection was recorded. Five patients had minor surgery-related complications, and no spontaneous implant fractures or mobilisation were reported. Three patients exhibited implant fractures as a result of trauma and all healed spontaneously. All patients showed a satisfactory clinical outcome with good cosmetic appearance in the early postoperative period and after a long-term follow-up.
Conclusions: Cranioplasty performed with a customised porous-HA prosthesis gave a positive outcome, showing it to be an appropriate technique for use in large and complex cranial reconstruction.
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