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Third generation delta ceramic-on-ceramic bearing for total hip arthroplasty at mid-term follow-up
Alessandro Bistolfi1, Riccardo Ferracini2, Alessandro Aprato1
1AO Città Della Salute e Della Scienza. Department of Orthopeadics, Traumatology and Rehabilitative Medicine, CTO Hospital, Turin, Italy.
Purpose:
to evaluate the results of Delta ceramic-on-ceramic (CoC) for total-hip-arthroplasty (THA).
Methods:
261 THA using Delta-CoC, retrospectively analyzed. A 36 mm head was used in 189 cases and a 32/40 mm in the others. The series have been compared to a group of 89 THA with Forte-CoC.
Results:
The Harris-Hip-Score improved from 49.1 ± 14.3 to 92.0 ± 8.9 (P < 0.001). In the Delta group there were one ceramic fracture and 2 dislocations. Two hips underwent revision. There were one revision in the Forte group for instability and one squeaking hip.
Conclusions:
The new ceramic bearings provides a safe bearing for THA, with rare complications.
