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KMID : 0386420190320040181
Journal of the Korean Fracture Society
2019 Volume.32 No. 4 p.181 ~ p.187
Clinical Outcomes of Minimally Invasive Surgery in Sanders Type IV Intra-Articular Calcaneal Fractures
Lee Jun-Young

Jang Hyun-Woong
Kim Young-Wook
Abstract
Purpose: This study evaluated the radiologic and clinical results in patients who underwent minimal invasive surgery using sinus tarsi approach in Sanders type IV calcaneal fracture.

Materials and Methods: This retrospective study evaluated 13 cases of Sanders type IV calcaneus fractures that were treated by minimal invasive surgery using the sinus tarsi approach from July 2012 to April 2017. Further, these cases could be followed up for more than 12 months. Bone union, radiologic parameters such as Bohler's angle, Gissane's angle, calcaneal height, length, and width, the American Orthopaedic Foot and Ankle Society (AOFAS) ankle-hindfoot score, and the postoperative complications were evaluated.

Results: Bony union was achieved in all the cases at the final follow up, and the mean union time was 5.5 months. One patient underwent reoperation for a surgical site infection, six patients had post traumatic arthritis, and two of them underwent subtalar joint fusion. The mean AOFAS ankle-hindfoot score was 81.2. At the final follow-up, the mean values of Bohler's angle and Gissane's angle were 20¡Æ and 119.8¡Æ, respectively, and the mean values of the calcaneus height, length, and width were 46.8 mm, 81.8 mm, and 45.6 mm, respectively.

Conclusion: Minimal invasive surgery using the sinus tarsi approach for Sanders type IV calcaneal fracture resulted in satisfactory anatomic reduction and stable fixation, and satisfactory clinical and radiologic results were obtained in most of the patients. Minimal invasive surgery is thought to reduce the soft tissue-related complications as compared to surgery using the extensile lateral approach.
KEYWORD
Sanders type IV, Calcaneus fracture, Sinus tarsi approach, Minimal invasive surgery
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