Bioactive Glass versus Autogenous Iliac Crest Bone Graft in Adolescent Idiopathic Scoliosis Surgery

  • Ebrahim Ameri Department of Orthopedic and Spine Surgery, Shafayahyaiian Hospital, Iran University of Medical Sciences, Tehran, Iran.
  • Hamid Behtash Mail Department of Orthopedic and Spine Surgery, Shafayahyaiian Hospital, Iran University of Medical Sciences, Tehran, Iran.
  • Bahram Mobini Department of Orthopedic and Spine Surgery, Shafayahyaiian Hospital, Iran University of Medical Sciences, Tehran, Iran.
  • Farzad Omidi-Kashani Department of orthopedic Surgery, Qaem Hospital, Mashhad University of Medical Sciences, Mashhad, Iran.
  • Marzieh Nojomi Department of Community Medicine, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
Bone graft, adolescent idiopathic scoliosis, spinal fusion, bone substitute


Surgery on the skeleton frequently requires harvesting of autogenous bone graft from the pelvis, but this procedure is complicated by problems. The purpose of this retrospective, comparative descriptive study was to compare the efficacy of metal-derived bioactive glass (Novabone) versus autogenous iliac crest bone graft in adolescent idiopathic scoliosis surgery. The study was carried out on forty cases (aged 14-20 years) with 55 total curves fused for AIS. Posterior spinal fusion was performed using local bone grafts combined with autogenous iliac crest bone graft in 20 patients (group 1), and combined with Novabone in another twenty ones (group 2). The patients were observed for a minimum of 24 months after surgery, with a mean postoperative observation time of 34.7 months. The results were assessed clinically and radiologically. In group 1, average preoperative curve was 66° with immediate correction to 24.2° (59.7%) and final follow-up of 27.4° (54.3%), but in group 2 the calculated numbers included 63.8°, 25.8° (59.6%) and 28.4° (55.5 %) respectively. There were 5 indeterminate fusions (3 cases in group 1 and 2 in the other group), 1 acute infection, and 1 hook dislodgement in the synthetic group. These results justify and favor the use of bone substitutes for instrumented posterior spinal fusion in AIS. Potentially hazardous harvesting of pelvic bone is no longer necessary for such operations.


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How to Cite
Ameri E, Behtash H, Mobini B, Omidi-Kashani F, Nojomi M. Bioactive Glass versus Autogenous Iliac Crest Bone Graft in Adolescent Idiopathic Scoliosis Surgery. Acta Med Iran. 47(1):41-45.