Patella infera following arthroscopic anterior cruciate ligament reconstruction.

J. M. Chase, W. L. Hennrikus, T. R. Cullison

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Fifty patients who had an arthroscopic anterior cruciate ligament reconstruction for chronic insufficiency were reviewed at an average of 13.6 months following surgery. Among these patients, 32% complained of anterior knee pain that interfered with daily activities. Radiographic patella infera was present in 12% of patients using the Insall-Salvati ratio and in 16% using the Blackburne-Peel ratio. Radiographic patella infera did not correlate with the clinical problem of postoperative anterior knee pain. However, loss of knee extension of greater than 5 degrees correlated highly with pain (p=0.002).

Original languageEnglish (US)
Pages (from-to)487-493
Number of pages7
JournalContemporary orthopaedics
Issue number6
StatePublished - Jan 1 1994


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