{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,22]],"date-time":"2026-01-22T14:07:22Z","timestamp":1769090842798,"version":"3.49.0"},"reference-count":43,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2007,1,1]],"date-time":"2007-01-01T00:00:00Z","timestamp":1167609600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Foot Ankle Int."],"published-print":{"date-parts":[[2007,1]]},"abstract":"<jats:p>\n                    <jats:italic toggle=\"yes\">Background:<\/jats:italic>\n                    Chronic lateral ankle instability has been associated with varus deformity of the hindfoot, hyperactivity of the peroneus longus muscle, and insufficiency of the lateral ligaments. Many operative procedures have been described to correct this problem, but instability can recur if all contributing components are not treated. The purpose of this study was to offer an approach in the diagnosis and treatment of recurrent lateral ankle instability.\n                    <jats:italic toggle=\"yes\">Methods:<\/jats:italic>\n                    Eight consecutive patients (nine feet) were treated for recurrent chronic lateral ankle instability. The average age at surgery was 25 (range 8 to 37) years. All patients had prior operative procedures that failed and had persistent pain and functional instability of the ankle joint. After clinical and radiographic examination, lateralizing calcaneal osteotomy to correct the structured varus deformity and peroneus longus to peroneus brevis tendon transfer to add dynamic correction were done in all patients. A Brostr\u00f6m ligament reconstruction was added in four feet. All patients were evaluated clinically and radiographically at an average followup of 37 months. Preoperatively and postoperatively patients were evaluated by means of the American Orthopaedic Foot and Ankle Society (AOFAS) Score.\n                    <jats:italic toggle=\"yes\">Results:<\/jats:italic>\n                    All patients were satisfied with the operation. The overall AOFAS-Score improved from 57 points preoperatively to 87 points postoperatively. Hindfoot alignment was restored to a valgus position at final evaluation.\n                    <jats:italic toggle=\"yes\">Conclusions:<\/jats:italic>\n                    Recurrent chronic lateral ankle instability often is associated with chronic hindfoot malalignment and leads to functional impairment and patient discomfort. Clinical examination should determine the causes of instability. Varus malalignment of the hindfoot, hyperactivity of the peroneus longus muscle, and insufficiency of the lateral ligaments should be assessed and treated in a combined operative procedure to correct structured, static and dynamic components of the instability. The preliminary results of this particular approach are encouraging.\n                  <\/jats:p>","DOI":"10.3113\/fai.2007.0018","type":"journal-article","created":{"date-parts":[[2007,2,2]],"date-time":"2007-02-02T20:16:08Z","timestamp":1170447368000},"page":"96-102","source":"Crossref","is-referenced-by-count":59,"title":["Hindfoot Instability in Cavovarus Deformity: Static and Dynamic Balancing"],"prefix":"10.1177","volume":"28","author":[{"given":"Patrick","family":"Vienne","sequence":"first","affiliation":[{"name":"Zurich, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ralph","family":"Sch\u00f6niger","sequence":"additional","affiliation":[{"name":"Zurich, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Naeder","family":"Helmy","sequence":"additional","affiliation":[{"name":"Zurich, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Norman","family":"Espinosa","sequence":"additional","affiliation":[{"name":"Zurich, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2007,1]]},"reference":[{"key":"e_1_3_1_2_2","doi-asserted-by":"publisher","DOI":"10.3109\/17453673308988856"},{"key":"e_1_3_1_3_2","doi-asserted-by":"publisher","DOI":"10.2519\/jospt.1997.25.5.342"},{"key":"e_1_3_1_4_2","first-page":"104","volume-title":"Injuries to the ankle","author":"Bonnin J","year":"1950","unstructured":"Bonnin J: Injuries to the ankle. 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