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Bone marrow aspirate concentrate with cancellous allograft versus iliac crest bone graft in the treatment of long bone nonunions. OTA international : the open access journal of orthopaedic trauma Lin, K. n., VandenBerg, J. n., Putnam, S. M., Parks, C. D., Spraggs-Hughes, A. n., McAndrew, C. M., Ricci, W. M., Gardner, M. J. 2019; 2 (1): e012

Abstract

The purpose of this study was to compare bone marrow aspirate concentrate (BMAC) with cancellous allograft to iliac crest bone graft (ICBG) in the treatment of long bone nonunions.Retrospective cohort study.A single level I trauma center.26 patients with long bone diaphyseal or metaphyseal nonunions with defects >2?mm and treated with open repair and BMAC, compared to 25 patients with long bone diaphyseal or metaphyseal nonunions with defects >2?mm and treated with open repair and ICBG.Open repair of long bone nonunion using either autologous ICBG or BMAC with cancellous allograft.Nonunion healing, radiographically measured by the modified Radiographic Union Score for Tibia (mRUST) score. Secondary outcomes included risk factors associated with failed repair.The union rates for the BMAC and ICBG cohorts were 75% and 78%, respectively (P?=?.8). Infection was the only risk factor of statistical significance for failure.In this study, we found no significant difference in union rate for long bone nonunions treated with ICBG or BMAC with allograft. BMAC and allograft led to 75% successful healing in this series. Given the heterogeneity of the control group and loss to follow-up, further prospective investigation should be conducted to more rigorously compare BMAC to ICBG for nonunion treatment.III, retrospective cohort.

View details for DOI 10.1097/OI9.0000000000000012

View details for PubMedID 33937649

View details for PubMedCentralID PMC7953544