RESEARCH ARTICLE


Outcomes of Operatively Treated Acute Knee Dislocations



Vivek Eranki*, Collie Begg, Brian Wallace
The Royal Adelaide Hospital, North Terrace, Adelaide, SA, 5000, Australia


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Creative Commons License
© Eranki et al.; Licensee Bentham Open.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.5/) which permits unrestrictive use, distribution, and reproduction in any medium, provided the original work is properly cited.

* Address correspondence to this author at the Queen Elizabeth Hospital, 28 Woodville Road, Woodville West, SA 5011, Australia; Tel: +61 415 179 050; Fax: +61 8 8121 9294; E-mail: vivek.eranki@me.com


Abstract

Knee dislocation is a complex and rare injury often presenting in the context of high velocity trauma. The aim of this study is to establish the subjective outcomes of surgically treated knee dislocations. A total of 20 knees dislocations treated by open repair were reviewed. Their progress and outcomes were assessed by using a modified Lysholm score questionnaire. Data was obtained on patient demographics, details of injury, investigation, treatment, rehabilitation, 24 months objective outcome and subjective outcomes. Six patients had a vascular deficit and six had neurological deficits. The median range of motion was 0°-100°. Patients with an initially lower pre-injury level of function were able to return an activity level comparable to their pre-injury status. 22% of competitive athletes retuned to competitive sports. 38% of patients undertaking heavy activity returned to comparable pre-injury level of activity and 67% of patients undertaking moderate level of activity before injury returned to a comparable level after repair. 68% regularly had problems running, 70% problem squatting, 40% swelling and 42% problem with stairs. Most patients however did not have locking of the knee or problems with knees giving way. Patients pain scores decreased over time to an acceptable level. Despite the severity of the injury, majority of patients achieved a satisfactory outcome, although none of the patients reached the same level of function as before the injury. 80% of the patients were satisfied with their outcome. All dissatisfied patients suffered postoperative complications.

Keywords:: Knee dislocations, traumatic knee dislocations, surgical repair of knee dislocations, outcomes of knee dislocations, knee instability and patient satisfaction post knee repair..