Clinical Study

Experiences of a Peripheral Unit in Using a Tripolar Constrained Acetabular Component for Recurrent Dislocations following Total Hip Joint Replacements

Table 1

Summary of data analysis of the 43 patients identified in our study. All patients underwent a capture/captive cup procedure for recurrent dislocations (). CC = capture/captive cup, PLAD = posterior lip augmentation device, and THA = total hip arthroplasty.

43 patients

Alive13
Dead23
Lost to follow-up5
Psychiatric illness2

Cause of primary surgery

Osteoarthritis40
Neck of femur fracture1
Neck of femur fracture nonunion1
Secondary to septic arthritis1

Further surgery after primary total hip arthroplasty (THA)

THA revision (prior to CC)3
PLAD (prior to CC)3
Femoral component revision (at time of CC)6

Capture/captive cup (CC)

Uncemented4
Cemented39

Surgical approach

Trochanteric osteotomy14
Hardinge29