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Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_III | Pages 314 - 315
1 Jul 2011
Daglish F Stamps G Whittaker P Holt N Unnikrishnan N Nayagam S
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Background: Knee stiffness from peri-articular fractures, arthroplasty or limb lengthening surgery, if intractable after an extensive programme of physiotherapy, may be resolved by quadricepsplasty. We describe the recovery of knee function in a cohort of 12 patients who underwent a Judet quadricepsplasty for loss of knee flexion.

Material and Methods: 12 adult patients underwent a Judet quadricepsplasty for recovery of knee flexion range. The causes of stiffness were trauma, arthroplasty, infection and limb lengthening surgery. A protocol of continuous passive knee movement under epidural analgesia was maintained after surgery. Continuous passive motion was continued at home for a further 4–6 weeks together with regular out-patient physiotherapy attendances. Outcome measures were range of movement, extensor lag, a modified WOMAC score for physical function, KINCOM data (with the contralateral limb as control), SF-36 and complications of surgery.

Results: There were 11 male patients and 1 female. The mean age was 30 years (20–71). The median period of follow-up was 3 years (0.8–7 years). The difference between pre-operative and final knee motion ranges was statistically significant (p=0.0048). The medians for flexion before surgery was 41 degrees (SD=18; at surgery 110 degrees (SD =15); final follow-up 105 degrees (SD=20). Extensor lag after surgery was 27.5 degrees (SD18) reducing 3.5 degrees (SD=3.5) finally. KINCOM data against a contralateral control showed a highly significant difference (p< 0.001) in quads strength. The medians for the WOMAC score was 38; PCS of the SF36 34.7 (SD13) and the MCS 53.7 (SD 13). Wound complications occurred in 7 patients and three needed further surgery.

Conclusion: Improvement in knee flexion after a Judet quadricepsplasty is maintained at one year. Extensor lag is common after the procedure but recovers. Most patients found the improvement beneficial but objective measures of knee function showed a return to normal had not been achieved.