{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T05:09:49Z","timestamp":1777612189973,"version":"3.51.4"},"reference-count":28,"publisher":"SAGE Publications","issue":"10","license":[{"start":{"date-parts":[[2023,8,2]],"date-time":"2023-08-02T00:00:00Z","timestamp":1690934400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Foot Ankle Int."],"published-print":{"date-parts":[[2023,10]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Retrograde drilling remains technically challenging, because of the difficulty of identifying the accurate location of cysts during surgery. This study\u2019s aim was to evaluate the 3-dimensional (3D) image\u2013based surgical navigation-assisted endoscopic retrograde drilling technique for subchondral bone lesions of the talus.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>From March 2017 to June 2020, a total of 21 cases with Hepple stage V subchondral bone lesions of the talus were treated with 3D image\u2013based surgical navigation-assisted endoscopic retrograde drilling and bone graft technique. Arthroscopic views were categorized per Pritsch classifications. The correlation between the drilled tunnel with preoperative cystic lesions were assessed under postoperative computer tomographic (CT) scans. The American Orthopaedic Foot &amp; Ankle Society (AOFAS) scores, visual analog scale (VAS) scores, and Foot and Ankle Ability Measure (FAAM) sports scales were evaluated at the preoperative and final consultation. All complications were recorded.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>On postoperative CT scans, in 20 cases (95.2%), the drilled tunnel was judged to have been in the center of previous cysts. Only 9 cases (42.9%) showed intact normal cartilage (grade 0, group A); 12 cases (57.1%) had intact, but soft, cartilage (grade I, group B). The median follow-up time was 24 (24, 30) months, and at final follow-up, there were no significant differences between the mean AOFAS and VAS scores in both groups (89.0\u2009\u00b1\u20096.4 vs 88.3\u2009\u00b1\u20097.0 and 1 vs 0.5) or postoperative FAAM sports scales (28.2\u2009\u00b1\u20092.2 vs 26.6\u2009\u00b1\u20094.9, P\u2009=\u2009.363). Two patients had revision surgery in group B.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>The 3D image\u2013based surgical navigation-assisted endoscopic retrograde drilling and bone graft technique for the subchondral bone lesions of the talus in this small case series showed encouraging results.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence:<\/jats:title>\n                    <jats:p>Level IV, retrospective case series.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/10711007231185084","type":"journal-article","created":{"date-parts":[[2023,8,2]],"date-time":"2023-08-02T07:03:56Z","timestamp":1690959836000},"page":"1003-1012","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":3,"title":["Retrograde Drilling and Bone Graft for Hepple Stage V Subchondral Bone Lesion of Talus Using 3D Image\u2013Based Navigation-Assisted Endoscopic Technique"],"prefix":"10.1177","volume":"44","author":[{"given":"Xinchen","family":"Wu","sequence":"first","affiliation":[{"name":"Foot and Ankle Sports Medicine Center, Department of Orthopedics, General Hospital of Central Theater Command, Wuhan, Hubei Province, PR China"},{"name":"Hubei University of Medicine, Shiyan, Hubei Province, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yanjun","family":"Zhong","sequence":"additional","affiliation":[{"name":"Foot and Ankle Sports Medicine Center, Department of Orthopedics, General Hospital of Central Theater Command, Wuhan, Hubei Province, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5105-0196","authenticated-orcid":false,"given":"Shijun","family":"Wei","sequence":"additional","affiliation":[{"name":"Foot and Ankle Sports Medicine Center, Department of Orthopedics, General Hospital of Central Theater Command, Wuhan, Hubei Province, PR China"},{"name":"Hubei University of Medicine, Shiyan, Hubei Province, PR China"},{"name":"The First Clinical Medical School of Southern Medical University, Guangzhou, Guangdong Province, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Helin","family":"Wu","sequence":"additional","affiliation":[{"name":"Foot and Ankle Sports Medicine Center, Department of Orthopedics, General Hospital of Central Theater Command, Wuhan, Hubei Province, PR China"},{"name":"The First Clinical Medical School of Southern Medical University, Guangzhou, Guangdong Province, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Boyu","family":"Zheng","sequence":"additional","affiliation":[{"name":"Foot and Ankle Sports Medicine Center, Department of Orthopedics, General Hospital of Central Theater Command, Wuhan, Hubei Province, PR China"},{"name":"Wuhan University of Science and Technology, Hubei Province, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Feng","family":"Xu","sequence":"additional","affiliation":[{"name":"Foot and Ankle Sports Medicine Center, Department of Orthopedics, General Hospital of Central Theater Command, Wuhan, Hubei Province, PR 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