Mean 5-Year Clinical and Radiographic Outcomes of Cementless Total Hip Arthroplasty in Patients under the Age of 30
Table 3
Revision details (7 aseptic revisions—17.5% aseptic revision rate at mean 65-month mean followup).
Diagnosis
Charnley class
Femoral head type
Femoral head size
Femoral component
Acetabular component
Articulation
Reason for revision
Revision details
Time to revision (months)
AVN
B
CoCr
22
Biomet Integral
Biomet RB
MOP
Recurrent dislocations-poly wear.
Exchanged liner and head.
123.7
JRA
C
CoCr
22
DePuy SROM
Biomet RB
MOP
Periprosthetic femur fracture.
Stem revised.
92.5
OA 2/2 Perthes
A
CoCr
45
DePuy SROM
DePuy ASR
MOM-ASR
Aseptic loosening. No metallosis.
Stem loose, fibrous fixation cup. Complete revision with MOP.
26.7
Failed hip fusion (Fused for AVN)
A
CoCr
28
Biomet MH Calcar
Biomet RB
MOM (sandwich)
Recurrent dislocation. Metallosis found.
Cup and stem stable. Revised to MOP.
101.8
AVN
A
CoCr
38
Biomet Intergral
Biomet M2A
MOM-M2A
Metallosis-mild metal debris/excessive scar.
No loosening. Revised to MOP
92.1
OA 2/2 CDH
A
CoCr
41
DePuy SROM
DePuy ASR
MOM-ASR
Metallosis.
No loosening. Revised to MOP.
60.8
OA 2/2 CDH
A
CoCr
46
DePuy SROM
DePuy ASR
MOM-ASR
Metallosis.
No loosening. Revised to MOP
21.8
AVN: avascular necrosis, JRA: juvenile rheumatoid arthritis, OA: osteoarthritis, CDH: congenital dysplasia of the hip, CoCr: cobalt chromium, MOM: metal on metal, MOSP: metal on conventional polyethylene.
