Background: This is a cohort trial (1997-2005) of 49 patients submitted to an acetabular component revision of a total hip arthroplasty, using impacted human and bovine freeze-dried cancellous bone grafts (H&FDBG) and a reinforcement device.
Objective: To compare clinical/radiographic graft incorporation capability between cancellous bone grafts.
Patients/methods: There were two groups: I (n=26) receiving human grafts and II (n=25) receiving bovine grafts.