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The Journal of Bone and Joint Surgery 81:1772-84 (1999)
© 1999 The Journal of Bone and Joint Surgery, Inc.

Instructional Course Lecture

Instructional Course Lectures, The American Academy of Orthopaedic Surgeons - Operative Treatment of Arthrofibrosis of the Knee*{dagger}

THOMAS N. LINDENFELD, M.D.{ddagger}, CINCINNATI, EDWARD M. WOJTYS, M.D.§, ANN ARBOR, MICHIGAN and ASGHAR HUSAIN, M.D.{ddagger}, CINCINNATI, OHIO

An Instructional Course Lecture, American Academy of Orthopaedic Surgeons


   Introduction
 
The term arthrofibrosis has been used to describe a spectrum of knee conditions in which loss of motion is the major finding18,25,33,35,38,41-43,45. Because different characteristics have been used historically to define this term18,25,33,35,38,41-43,45, the universally accepted definition of this condition remains in question. We believe that arthrofibrosis is best defined as a condition of restricted knee motion characterized by dense proliferative scar formation, in which intra-articular and extra-articular adhesions can progressively spread to limit joint motion. This dense scar tissue can obliterate the parapatellar recesses, suprapatellar pouch, intercondylar notch, and eventually the articular surfaces9. Scarring of the infrapatellar fat pad and fibrosis of the patellar ligament can occur, with varying degrees of capsular and quadriceps contracture. Patella infera and chronic patellar entrapment may also develop as a consequence of this process9.

We consider loss of motion that is due to a localized intra-articular lesion as a . . . [Full Text of this Article]


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