Comparison of Nanocrystalline Hydroxyapatite Bone Graft with Empty Defects in Long Bone Fractures: A Retrospective Case-Control Study
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Background: The regeneration of bone defects is indicated to restore lost tissue mass and functionality. Ostim®, an absorbable nanocrystalline hydroxyapatite (NCHA) paste, is indicated to enhance bone regeneration in bone defects due to trauma or surgery. This retrospective study of 110 patients with long-bone fracture defects presenting at a single trauma center between 2010 and 2012 aimed to compare outcomes with and without the use of Ostim® absorbable nanocrystalline hydroxyapatite paste. Material and Methods: The study encompassed fractures in 110 patients – 55 patients received any defect augmentation (ED) and 55 patients were treated with NCHA augmentation. Fractures were located at the distal radius (66.4%, n=73), proximal humerus (5.5%, n=6), and proximal tibia (28.2%, n=31). Evaluating the clinical follow-up, the study encompassed post-surgery complications (eg, non-unions, infection). Bone healing was evaluated by conventional radiographs. Results: Postoperative complications occurred in 45.5% of patients regardless of the treatment (P=1.0). The non-union rate in both groups was 5.5% (n=8, P=1.0), and the risk for infection was lower in the NCHA group (3.6%, ED: n=3, NCHA: n=1, p=0.62). Patients suffered open fractures were treated in the NCHA group (100%, n=7, P=0.003). Radiological assessment demonstrated comparable healing of the fracture border, fracture gap, and articular surface (P>0.05). Conclusions: The findings from this retrospective study support previous studies that have shown Ostim® absorbable nanocrystalline hydroxyapatite paste enhances outcomes and reduces the risk of complications when used to repair bone defects in long-bone fractures in trauma patients. NCHA paste augmentation is suitable for use in traumatic long-bone fractures.Verknüpfung zu Publikationen oder weiteren Datensätzen
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Medical science monitor 29 (2023), 1 - 15, e941112