Evidence-Based Orthopaedics   |    
Posterior Spinal Fusion Was Not Improved by Supplemental Bone Graft in Adolescent Idiopathic Scoliosis

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Source of funding: No external funding.
For correspondence: Dr. R.R. Betz, Shriners Hospitals for Children, 3551 North Broad Street, Philadelphia, PA 19140. E-mail address: rbetz@shrinenet.org
Betz RR, Petrizzo AM, Kerner PJ, Falatyn SP, Clements DH, Huss GK. Allograft Versus No Graft With a Posterior Multisegmented Hook System for the Treatment of Idiopathic Scoliosis.
. 2006Jan15;31: 121-7.

The Journal of Bone and Joint Surgery, Incorporated
J Bone Joint Surg Am, 2006 Oct 01;88(10):2313-2313. doi: 10.2106/JBJS.8811.ebo3
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Question: In patients with adolescent idiopathic scoliosis, how do the results of posterior spinal fusion compare when it is performed with and without allograft bone?Design: Randomized (allocation not concealed), blinded (surgeons, to the point in surgery when bone graft was requested), controlled, noninferiority trial with 2-year follow-up.Setting: A children's hospital in Philadelphia, Pennsylvania.Patients: 91 patients with adolescent idiopathic scoliosis who were =21 years of age and were scheduled for posterior spinal fusion with a multisegmented hook-screw and rod system and had a Risser score of =2. Exclusion criteria included a preoperative curve of >80°. Follow-up was 83% (mean age, 15 y; 83% girls).
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