http://www.orthopaedicweblinks.com Knee Dislocations en-us Tue Apr 29 2008 09:30:18 GMT Copyright 2005 OWL Inc. orthopaedicweblinks@gmail.com (Christian Veillette) orthopaedicweblinks@gmail.com (OWL Inc.) http://www.orthopaedicweblinks.com/Detailed/13854.html Knee dislocations are uncommon. A knee dislocation is defined as complete displacement of the tibia with respect to the femur, with disruption of 3 or more of the stabilizing ligaments (Girgis, 1975). Small avulsion fractures from the ligaments and capsular insertions may be present.<br> Synonyms and related keywords: traumatic knee dislocation, complex knee dislocation, knee pain<br> Green, Shahrdar, Owens & Olmedo 2004 2008-04-04 09:30:18 GMT http://www.orthopaedicweblinks.com/cgi-bin/owl/jump.cgi?ID=13854 Green, Shahrdar, Owens & Olmedo http://www.orthopaedicweblinks.com/Detailed/4632.html mechanism of injury: <br> - distinguish between high velocity injuries verus low velocity injuries (as this reflects incidence of vascular and nerve injuries); <br> - w/ low-velocity knee dislocations occurance of vascular injury is about 5% and nerve injury is about 20% <br> - ref: Low-velocity knee dislocation. Shelbourne KD, Porter DA, Clingman JA, et al: Orthop Rev 20:995-1004, 1991 <br> - classification: 5 types: described w/ tibia in relation to femur; <br> - anterior (31%) <br> - posterior (25%) <br> - lateral (13%) <br> - medial ( 3%) <br> - rotary ( 4% - usually posterolateral) Wheeless' Textbook of Orthopaedics 2002-02-04 09:30:18 GMT http://www.orthopaedicweblinks.com/cgi-bin/owl/jump.cgi?ID=4632 C.R.Wheeless