The cemented custom femoral stem--a 10 year review.
We report a series of 706 patients (759 hip implants) with an average follow up of 10.5 years (range, 10-11 years) following total hip replacement (THR) using a cemented custom-made femoral stem and a cemented HDP acetabular component. The fate of every implant is known. One hundred and seventy-four patients (23%) were deceased at the time of their 10-year review all died with a functioning THR in situ. Four hundred and sixty-two patients (61%) were subsequently reviewed. One hundred and twenty three patients (16%) were assessed by telephone review, as they were too ill or unwilling to attend. Kaplan-Meier survival analysis (all components) demonstrated a median survival at 10 years of 96.05% or 95% Confidence Intervals (CI) for median survival of (94.41% to 97.22%). Revision surgery occurred in 30 cases (3.9%). Seventeen had full revisions (2.2%) and 13 (1.7%) socket revisions only. Twenty-one out of 30 revisions were for infection or dislocation. There were 2 cases (0.3%) of revision for aseptic loosening of the stem. The 10-year results of the custom femoral titanium stem are encouraging and compare well with other cemented systems.
O'Brien
S
S
Orthopaedic Outcomes Unit, Musgrave Park Hospital, and Department of Mechanical and Manufacturing Engineering, The Queen's University of Belfast, Belfast, Northern Ireland, UK. seamus.obrien@belfasttrust.hscni.net
Wilson
R K
RK
Hanratty
B M
BM
Thompson
N W
NW
Wallace
M E
ME
Nixon
J R
JR
Engela
D W
DW
Orr
J F
JF
Isaac
G H
GH
Beverland
D E
DE