The maquet procedure: Effect of tibial shingle length on patellofemoral pressures

H. Q. Pan, V. Kish, R. D. Boyd, D. B. Burr, E. L. Radin

Research output: Contribution to journalArticle

18 Scopus citations

Abstract

The Maquet procedure — elevation of the anterior tibial tubercle — has been recommended for treatment of symptomatic osteoarthrosis of the patellofemoral joint. Although the operation was first described 30 years ago, it remains controversial, both on a clinical and on a biomechanical basis. In addition, deterioration of the long‐term results has been suggested. One of the variables that has been ignored in both clinical and biomechanical studies has been tibial shingle length. In order to judge its effect, we examined contact pressures and areas in 15 cadaver knees with 7 and 20 cm tibial shingle lengths. We found significant patellofemoral pressure diminution only with 2 cm elevations. The short anterior tibial shingle with 2 cm of elevation tipped the patella on its superior pole, with a significant change in angle between the patella and the shingle. We suggest that this creates a potentially less than desirable biomechanical circumstance and believe it may explain the discrepancies among previously published reports.

Original languageEnglish (US)
Pages (from-to)199-204
Number of pages6
JournalJournal of Orthopaedic Research
Volume11
Issue number2
DOIs
StatePublished - Mar 1993

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

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