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Deterioration of long-term clinical results after the Elmslie-Trillat procedure for dislocation of the patella

¹ Department of Orthopaedic Surgery, School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260–8677, Japan.
² Department of Orthopaedic Surgery, Kawasaki Seitetsu Hospital 1–11–12, Minamicho, Chuo-ku, Chiba, Japan 260–0842.

Correspondence should be sent to Dr K. Nakagawa at the Department of Orthopaedic Surgery, Rush Medical College at Rush-Presbyterian-St Luke’s Medical Center, 1653 West Congress Parkway, Chicago, Illinois 60612, USA.

We examined an39 patients (45 knees) who had undergone Elmslie-Trillat procedure for recurrent or habitual dislocation of the patella with a follow-up of more than ten years. The mean age at the time of surgery was 18.4 years; the mean follow-up was 161 months (120 to 238). Using Fulkerson’s functional knee score, 41 knees (91%) had an excellent or good result at a mean follow-up of 45 months, and this was maintained in 29 (64%) at the final review.

The main cause of deterioration in the clinical results was the onset or worsening of patellofemoral joint pain, not patellar instability.

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