Exact(7)
We performed a histological assessment of the bone under the femoral component taken from retrieval specimens of patients having revision surgery following resurfacing of the hip.
TKPs with migration of between 0.5 and 1.6 mm were considered to be at risk of having revision rates higher than 5% at 10 years.
Cups with proximal migration of between 0.2 and 1.0 mm were considered to be at risk of having revision rates higher than 5% at 10 years.
We recommend routine intraoperative sampling for patients having revision for aseptic loosening, but we do not support the routine use of ultrasound sonication for its detection.
A Cox regression model showed that the FHN group had more than twice the risk of having revision within 6 months compared to the POA group (adjusted RR = 2.2, CI: 1.9 2.6, detailed data not shown).
Failure to heal was defined as: (1) dying before the end of antibiotic treatment, (2) having revision of major components due to infection, (3) having planned life-long antimicrobial treatment with or without confirmed persistent infection, or (4) having chronic infection.
Similar(53)
Furthermore, mortality data for patients having revisions are missing in the National Joint Registry database we were provided with.
All these patients had revision surgery with circular frames.
One patient had revision surgery for a failed subtrochanteric osteotomy with plate and screws.
However, nonunion persisted and the patient had revision valgus osteotomy with a DHS valgus osteotomy plate.
One patient (0.57 %) had revision surgery to TKR because of polyethylene wear, 9.6 years following index surgery.
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