J Korean Foot Ankle Soc.  2013 Mar;17(1):28-33.

Operative Treatment of the Ankle Fracture with Dislocation: Minimum 2-year Follow Up Results

Affiliations
  • 1Department of Orthopaedic Surgery, Chosun University Hospital, Chosun University College of Medicine, Gwang-ju, Korea. leejy88@chosun.ac.kr

Abstract

PURPOSE
In previous study, the frequency of osteoarthritis and discomfort were high in ankle fracture-dislocation but detail results about ankle fracture-dislocation has rarely been investigated. In this study, we retrospectively analyze the outcome of the operative treatment of ankle fracture with dislocation for over-2 years follow up.
MATERIALS AND METHODS
There were 47 cases of ankle fracture-dislocation in our hospital from March 2007 to May 2010. We investigated 20 patients who underwent operation and were possible for over-2 years follow up. The result was estimated with the direction of dislocation, fracture type, the time of bone union and post-traumatic osteoarthritis with plain radiologic images. In clinical assessment, we statistically evaluated the function and pain through AOFAS score and Olerud & Molander scoring system.
RESULTS
By Lauge-Hansen classification, there were 13 cases(65%) of pronation-external rotation and 6 cases(30%) of supination-external rotation, 1 case(5%) of supination-adduction. AOFAS score was 85.5, and Olerud & Molander score was"excellent" in 8 cases, "good" in 5 cases, "fair" in 3 cases and "poor" in 4 cases. Postoperative complications in 4 cases revealed post-traumatic arthritis. All kinds of lateral dislocation of ankle fracture was 15 cases and the most common. Of these, all 3 cases, anterolateral dislocation showed post-traumatic osteoarthritis.
CONCLUSION
In ankle fracture-dislocation, post-traumatic osteoarthritis occurred in 4 of 20 patient(20%). Especially, the possibility of post-traumatic osteoarthritis was more in cases of anterolateral or lateral dislocation. So, it must be needed that deliberate examination, for example, preoperative MRI and sufficient explanation to patient. Also, we have to follow up the patients carefully.

Keyword

Ankle fracture; Dislocation; Post-traumatic osteoarthritis

MeSH Terms

Animals
Ankle
Arthritis
Dislocations
Follow-Up Studies
Humans
Osteoarthritis
Postoperative Complications
Retrospective Studies
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