Table 2 Summary of the surgical data of our series

Index Surgery Approach (n)

 DAA

45

(54%)

 Posterior Approach (PA)

38

(45%)

 Trochanteric osteotomy

1

(1%)

Cause of Revision (n)

 Aseptic cup loosening

15

(18%)

 Aseptic femoral loosening

15

(18%)

 Infection

10

(12%)

 Aseptic lymphocyte-dominant vasculitis-associated lesion (ALVAL)

10

(12%)

 Periprosthetic femur fracture

8

(10%)

 Total aseptic loosening

7

(8%)

 Recurrent instability (> 1 dislocation)

6

(7%)

 Acetabular fracture

5

(6%)

 Psoas impingement

2

(2%)

 Limb length discrepancy

2

(2%)

 Alumine fracture

2

(2%)

 Pain & stiffness

2

(2%)

 Revision Type (n)

 Acetabulum alone

27

(37%)

 Acetabulum and femur

23

(31%)

 Femur alone

20

(27%)

 Mobile components

4

(5%)

 Length of Follow-up (years)

4.2 ± 1.2

(range, 2.2–8.3)