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This Article Full Text Full Text (PDF) All Versions of this Article: 33/8/1220    most recent 0363546504272686v1 Alert me when this article is cited Alert me if a correction is posted Citation Map Services Email this article to a friend Similar articles in this journal Similar articles in ISI Web of Science Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Request Permissions Request Reprints Citing Articles Citing Articles via HighWire Citing Articles via ISI Web of Science (9) Citing Articles via Google Scholar Google Scholar Articles by Carney, J. R. Articles by Cox, J. S. Search for Related Content PubMed PubMed Citation Articles by Carney, J. R. Articles by Cox, J. S. Related Collections Patella Operative

Long-Term Evaluation of the Roux-Elmslie-Trillat Procedure for Patellar Instability

A 26-Year Follow-up

Joseph R. Carney, MD^*,, Timothy S. Mologne, MD, Michael Muldoon, MD and Jay S. Cox, MD

From the Naval Medical Center, San Diego, California, and Sharp Healthcare, San Diego, California

^* Address correspondence to Joseph Carney, MD, 34800 Bob Wilson Drive, San Diego, CA 92134 (e-mail: jrcarney{at}nmcsd.med.navy.mil).

Background: Few published articles exist reporting the long-term evaluation of the Roux-Elmslie-Trillat procedure.

Purpose: To assess the long-term effect of the Roux-Elmslie-Trillat procedure in preventing recurrent subluxation and dislocation of the patella.

Study Design: Case series; Level of evidence, 4.

Methods: Eighteen patients who underwent the Roux-Elmslie-Trillat procedure for dislocation or subluxation of the patella were identified from a group previously evaluated at a mean follow-up of 3 years. The prevalence of recurrent subluxation or dislocation at a mean follow-up of 26 years was compared with the prevalence reported at the mean follow-up of 3 years. Although not the focus of this study, Cox functional scores were obtained from the smaller group and compared with the results at the 3-year follow-up.

Results: Seven percent (95% confidence interval, 0.00–0.32) of the patients had recurrent subluxation at 26 years compared with 7% (95% confidence interval, 0.03–0.13) of the study population reported at 3 years (P = 1.00). Fifty-four percent (95% confidence interval, 0.27–0.79) rated their affected knee as good or excellent at 26 years compared with 73% (95% confidence interval, 0.64–0.81) of the larger study population reported at 3 years (P = .14).

Conclusion: The prevalence of recurrent subluxation and dislocation in patients with patellofemoral malalignment who underwent the Roux-Elmslie-Trillat procedure for dislocation or subluxation of the patella is similar at 3 and 26 years after the procedure. The long-term functional status of the affected knee in patients who underwent the Roux-Elmslie-Trillat procedure declined.

Key Words: Roux-Elmslie-Trillat • patellofemoral • instability • patella

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