Does spinal fusion union rate make a difference? 5 things to know

By Laura Dyrda

A new study published in Spine examines fusion rate for patients undergoing spinal fusion with rhBMP-2 or fusion with iliac crest bone autograft.

The researchers examined patient data from four randomized controlled trials from the Yale University Open Data Access Project. There were 496 patients included in the study that had one and two-year follow-up data. The researchers found:

1. There were 5.5 percent of the patients with radiographic nonunions that didn’t require reoperation.


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