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Journal of Bone and Joint Surgery - British Volume, Vol 91-B, Issue 11, 1431-1437.
doi: 10.1302/0301-620X.91B11.22026  
Copyright © 2009 by British Editorial Society of Bone and Joint Surgery
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Two-stage revision arthroplasty of the hip for infection using an interim articulated Prostalac hip spacer

A 10- TO 15-YEAR FOLLOW-UP STUDY

G. S. Biring, MSc, FRCS(Trauma & Orth), Consultant Orthopaedic Surgeon1; T. Kostamo, MD, FRCS C, Consultant Orthopaedic Surgeon2; D. S. Garbuz, MD, FRCS C, Associate Professor3; B. A. Masri, MD, FRCS C, Professor4; and C. P. Duncan, MSc, FRCS C, Professor4

1 Buckinghamshire Hospitals NHS Trust, Stoke Mandeville Hospital, Mandeville Road, Aylesbury HP21 8AL, UK.
2 Burnaby Hospital, 106-3825 Sunset Street, Burnaby, British Columbia V56 1T4, Canada.
3 Division of Lower Limb Reconstruction and Oncology
4 University of British Columbia, Room 3114, 910 West 10th Avenue, Vancouver, British Columbia V5Z 4E3, Canada.

Correspondence should be sent to Mr G. S. Biring; e-mail biring7{at}aol.co.uk

We report the outcome at ten to 15 years of two-stage revision for hip infection in 99 patients using the Prostalac articulated hip spacer system.

All the patients were contacted to determine their current functional and infection status using the Oxford-12, Short form-12, and Western Ontario and McMaster University Osteoarthritis Index questionnaires. A total of 11 of the 99 patients had a further infection, of whom seven responded to repeat surgery with no further sequelae. The mean interval between the stages was five months (1 to 36). We were able to review 48 living patients, with a mean age of 72 years (46 to 86), 34 (71%) of whom provided health-related quality-of-life outcome scores.

The mean follow-up was 12 years (10 to 15). The long-term success rate was 89% and with additional surgery this rose to 96%. The mean global Western Ontario and McMaster University Osteoarthritis Index score was 80.6 (SD 18.3). The mean Oxford-12 score was 74.0 (SD 22.3), and the mean Short form-12 score was 53.1 (SD 9.4) (mental) and 33.5 (SD 13.5) (physical). The mean satisfaction score was 90.5 (SD 15.3).

Two-stage revision for hip infection using a Prostalac interim spacer offers a predictable and lasting solution for patients with this difficult problem.






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Hip, Knee, Trauma, Upper limb, Foot & Ankle, Paediatrics, Oncology, Spine, Arthroplasty, General