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Bone Graft Substitutes for Anterior Lumbar Interbody Fusion
Authors:Ralph J Mobbs MD  Mina Chung MD  Prashanth J Rao MD
Institution:1. NeuroSpineClinic, Prince of Wales Private Hospital, , Randwick, Australia;2. Spinal Injuries Unit, Prince of Wales Private Hospital, , Randwick, Australia;3. University of New South Wales, , Sydney, New South Wales, Australia
Abstract:The procedure of anterior lumbar interbody fusion (ALIF) is commonly performed on patients suffering from pain and/or neurological symptoms associated with disorders of the lumbar spine caused by disc degeneration and trauma. Surgery is indicated when prolonged conservative management proves ineffective. Because an important objective of the ALIF procedure is solid arthrodesis of the degenerative spinal segment, bone graft selection is critical. Iliac crest bone grafts (ICBG) remain the “gold standard” for achieving lumbar fusion. However, patient dissatisfaction stemming from donor site morbidity, lengthier operating times and finite supply of ICBG has prompted a search for better alternatives. Here presented is a literature review evaluating available bone graft options assessed within the clinical setting. These options include autografts, allograft‐based, synthetic and cell‐based technologies. The emphasis is on the contentious use of recombinant human bone morphogenetic proteins, which is in widespread use and has demonstrated both significant osteogenic potential and risk of complications.
Keywords:Allograft  Anterior lumbar interbody fusion  Autograft  Bone graft substitutes
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