Table 4 Revisions and cause
Revision number | Time to revision | Type of revision | Reason for revision |
|---|---|---|---|
1 | 1 month | Cup and stem, after failed dair | Infection. Initial DAIR surgery was performed because of prolonged wound leakage. |
2 | 2 months | Cup and stem | Instability. 3 early hip dislocations. CT showed malposition of the stem with ~ 45 degrees of anteversion. |
3 | 2 years | Cup and stem | Aseptic loosening. Initial placement of the stem in varus and steep placement of the cup at 60 degrees. |
4 | 3 years | Stem | Aseptic loosening. Initial proximal anterior placement of the stem with the distal tip placed against the posterior cortex. |
5 | 4 years | Cup and stem | Aseptic loosening. Initial good placement on the post operative radiograph. |
6 | 4 years | Stem | Aseptic loosening. Initial varus placement of the stem. |
7 | 5 years | Cup and stem | Aseptic Loosening. Initial good placement on the post operative radiograph. |
8 | 6 years | Cup and stem | Aseptic loosening of the cup and stem. Initial post operative radiographs showed varus placement of the stem and lucency cranial of the cup. |