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Orthopaedic Proceedings
Vol. 102-B, Issue SUPP_1 | Pages 37 - 37
1 Feb 2020
Veettil M Tsuda Y Abudu A Tillman R
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Aim

We present the long-term surgical outcomes, complications, implant survival and causes of implant failure in patients treated with the modified Harrington procedure using antegrade large diameter pins.

Patients and Methods

A cohort of 50 consecutive patients who underwent the modified Harrington procedure along with cemented THA for peri-acetabular metastasis or haematological malignancy between 1990 and April 2018 were studied. The median follow-up time for all patients was 14 years (interquartile range, 9 – 16 years).


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_6 | Pages 6 - 6
1 May 2015
Veettil M Ward A Smith E
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We report the medium term outcome of a 15 degrees face-changing acetabular cup in THA due to secondary OA in DDH.

We analysed 28 Hips in 26 patients who underwent THA between May 2007and September 2009. There were 20 females and 6 males with a mean age of 52 yrs (range 33–68yrs).

All patients received a cementless Exceed Advanced Bearing Technology 15° Face-changing cup (Biomet) with a ceramic liner through a posterior approach. A cementless or a cemented femoral stem, with 28 or 32mm Biolox Delta ceramic head, was used in all cases. All patients started full weight-bearing the next day. The average clinical and radiological follow-up was for 50 months (range 36–76 months). The mean Harris Hip Score improved to 94 and the Oxford Hip Score improved to 44. There was 100% survivorship of the hip joint for both components.

Post-operative radiographs revealed integration of the cup with no signs of loosening or osteolysis. The mean covered acetabular lip inclination angle was 51 degrees (range 43–61)and the true inclination angle of the bearing was 36 degrees (range 28–46).

The clinical results support the use of the cementless 15 degrees face-changing acetabular cup in the dysplastic acetabulum.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_6 | Pages 9 - 9
1 May 2015
Veettil M Ward A Smith E
Full Access

We retrospectively reviewed the mid term outcome of 88 MoM THA in 84 patients and 21Hip Resurfacing using Recap Magnum bearing surface performed during 2006 – 2009.

There were 41 males and 47 females in the THA group and 17 males and 4 females in the Hip Resurfacing group.

All procedures were performed through a posterior approach. The average head size for the THR group was 46mm and the cup size was 52mm and the average head size for the resurfacing was 50mm and cup size was 56mm respectively.

Median age for the THA group was 60 yrs. (28–73) and for the Resurfacing it was 51.5 yrs. (32–62). Average follow up was 76 months for the THA group and 78 months for the Resurfacing group.

Average serum cobalt for the THA and the Resurfacing groups were 53.2nmol/l (119) and 30.85 and the Chromium levels were 82.44nmol/l(134.5) and 67.49 respectively. Eight MRI scans showed abnormal fluid collections suspicious of ARMD in the THA group and 2 showed fluid collection in the Resurfacing group. There were five revisions in the THA group with the tissue diagnosis of ALVAL. In all except one case a well fixed uncemented stem (Taperloc) was retained.

In our series Recap Magnum on a Taperloc stem showed 94% survival at five years and therefore we continue to review the cases annually with serum cobalt chromium levels and MRI scans.