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Table 1 Patients’ characteristics

From: Reconstruction of acetabular defects greater than Paprosky type 3B: the importance of functional imaging

Case BMI Op #a Pre-operative walking aids Reason for revision
1 22 1 Frame with wheels Loose right total hip replacement with massive bony defects in the acetabulum
2 25 2 Walking stick and crutches Loosening of revision hip arthroplasty
3 32 2 Bilateral underarm crutches Pelvic discontinuity following revision left hip repl.
4 30 3 Frame Dislocated revision right total hip with a constrained liner. Periprosthetic type C fracture, managed by open reduction internal fixation with distal femoral locking plate
5 31 2 2 crutches Massive acetabular defect and loose hip replacement. High CRP with negative aspirate
6 32 3 Wheelchair Failed MoM implant, subsequent loosening and infection of the THR
7 26 Multib 2 crutches Multiple hip operations, severe mechanical symptoms
8 48 2 Wheelchair Failed replacement with acetabular migration
9 29 2 None Failure of MoP hip replacement with superior migration of the hip
10 23 2 Wheelchair Loose R hip replacement with inflammatory pseudotumor
11 37 Multib Walking crutches Loose left long stem, loose acetabulum
12 26 1 Bilateral crutches Loose R acetabulum MoP replacement with subluxation
13 23 1 None MoM hip resurfacing with high metal ions levels and bone and soft tissue damage
14 27 2 Bilateral crutches Failed MoP L hip with superior migration of cup and stem, pelvic discontinuity
15 26 0 Walking crutches Severe joint degradation. Presence of massive fractured bone protrusion below acetabulum
16 26 2 Wheelchair Failed implant and infection
17 30 2 Frame with wheels Infection and pelvic discontinuity
18 22 1 Bilateral crutches Acetabular cup failure following primary R THA
19 26 0 None Hip Osteoarthritis secondary to acetabular fracture
20 23 2 Walking trolley Catastrophic failure of revision right hip replacement
21 30 4 Wheelchair Loosening and infection
22 27 1 Walking stick Loosening of acetabular component and significant osteolysis
23 22 1 Walking stick MoM modular hip replacement with pseudotumor
24 26 Multib Frame History of recurrent dislocation and infection
25 25 Multib Wheelchair Multiple severe infections and metallosis from THA
  1. a Op #, total number of hip replacements including one in study. MoM, Metal on Metal; MoP, Metal on Polyethylene; R, Right; L, Left
  2. b Multi, no data on total number of hip replacements available greater than 2 known.
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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