Elmslie-Trillat, Maquet, Fulkerson, Roux Goldthwait, and Other Distal Realignment Procedures for the Management of Patellar Dislocation: Systematic Review and Quantitative Synthesis of the Literature

PURPOSE: To evaluate clinical outcomes, rate of recurrence, and complications following distal realignment procedures (Elmslie-Trillat, Maquet, Fulkerson, Roux Goldthwait, and other distal realignment procedures) performed alone or in combination with proximal procedures for the management of patellar dislocation. METHODS: A systematic literature review was performed following the PRISMA guidelines (Preferred Reporting Items for Systematic Reviews and Meta-Analyses). A search in PubMed, Medline, Cumulative Index to Nursing and Allied Health Literature (CINAHL), Cochrane, Embase, and Google Scholar databases using various combinations of the keywords "patellar," "dislocation," "tibial transfer," "Elmslie-Trillat," "Roux Goldthwait," "tibial tubercle osteotomy," "Fulkerson," "Maquet," "procedure," "clinical," and "outcome." RESULTS: Thirty-eight articles were included in the systematic review. A total of 1,182 knees belonging to 1,023 patients were grouped according to the duration of the follow-up period. The overall rate of recurrence was 7% (83 of 1,182 knees). Approximately 5.3% (28 of 520 knees) of the redislocation occurred in the short-medium term, and 8.3% (55 of 662 knees) occurred in the long-term. CONCLUSIONS: Distal realignment procedures performed alone or in combination with proximal procedures for the management of patellar dislocation have shown good clinical outcomes and a low rate of recurrence highlighting the efficacy of these procedures. To date no randomized controlled clinical trials are available on the topic. LEVEL OF EVIDENCE: Level IV, systematic review of Level III and IV studies.