{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,18]],"date-time":"2026-07-18T07:04:10Z","timestamp":1784358250879,"version":"3.55.0"},"reference-count":10,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"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 &amp; Ankle Orthopaedics"],"published-print":{"date-parts":[[2026,7]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Foot and ankle surgeons evaluate older patients with ankle arthritis and dementia. In this report, we analyzed postoperative complications following ankle arthrodesis (AA) and total ankle arthroplasty (TAA), hypothesizing greater risk in patients with dementia.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>\n                      We conducted a retrospective cohort study using Medicare claims from 2016 to 2021, including beneficiaries aged \u226565\u2009years who underwent TAA or AA. The primary independent variable was dementia, defined using the Charlson Comorbidity Index (CCI) dementia component based on\n                      <jats:italic toggle=\"yes\">International Classification of Diseases, Tenth Revision<\/jats:italic>\n                      (\n                      <jats:italic toggle=\"yes\">ICD-10<\/jats:italic>\n                      ) diagnosis codes within 90 days before the index procedure. Outcomes included postoperative complications, all-cause readmissions, and mortality within 90 days and 12 months. Multivariable logistic regression models estimated adjusted differences in complication rates by dementia status.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      Dementia was present in 0.56% of TAA patients (73 of 13\u2009134) and 3.6% of AA patients (308 of 8519). With the numbers available, no significant differences could be detected with dementia in TAA using adjusted multivariable analyses, although 12-month readmissions were higher (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u2009=\u2009.046). In contrast, among AA patients, dementia was associated with increased 90-day readmissions (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u2009=\u2009.041) and higher 12-month mortality (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u2009=\u2009.001), whereas other outcomes were not statistically significant.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>We found differences in postoperative outcomes, particularly readmissions and mortality, in patients with dementia following AA. Conversely, we found limited differences in patients with and without dementia undergoing TAA, which may reflect limited power to detect modest differences given the smaller number of dementia patients in the TAA cohort. Further research should explore how the severity of cognitive impairment influences decision making in ankle arthritis treatment.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence:<\/jats:title>\n                    <jats:p>Level III, retrospective cohort study.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/24730114261461273","type":"journal-article","created":{"date-parts":[[2026,7,15]],"date-time":"2026-07-15T12:05:12Z","timestamp":1784117112000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Association of Dementia With Total Ankle Arthroplasty and Ankle Arthrodesis Outcomes: A Short Report"],"prefix":"10.1177","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1328-026X","authenticated-orcid":false,"given":"Devon","family":"Nixon","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery, University of Utah, Salt Lake City, UT, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Brook I.","family":"Martin","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, University of Utah, Salt Lake City, UT, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0952-7047","authenticated-orcid":false,"given":"Hyunkyu","family":"Ko","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, University of Utah, Salt Lake City, UT, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2026,7,15]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.5435\/JAAOS-D-23-00743"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1177\/10711007221119148"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1038\/s41591-024-03340-9"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1097\/CORR.0000000000002323"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jseint.2023.09.004"},{"key":"e_1_3_3_7_2","doi-asserted-by":"publisher","DOI":"10.1177\/21514593261419684"},{"key":"e_1_3_3_8_2","doi-asserted-by":"publisher","DOI":"10.1177\/21514593261417753"},{"key":"e_1_3_3_9_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.artd.2024.101359"},{"key":"e_1_3_3_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.wneu.2022.11.114"},{"key":"e_1_3_3_11_2","doi-asserted-by":"publisher","DOI":"10.1038\/s41598-021-81576-y"}],"container-title":["Foot &amp; Ankle Orthopaedics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/24730114261461273","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/24730114261461273","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/24730114261461273","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,7,18]],"date-time":"2026-07-18T06:47:08Z","timestamp":1784357228000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/24730114261461273"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,7]]},"references-count":10,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2026,7]]}},"alternative-id":["10.1177\/24730114261461273"],"URL":"https:\/\/doi.org\/10.1177\/24730114261461273","relation":{},"ISSN":["2473-0114","2473-0114"],"issn-type":[{"value":"2473-0114","type":"print"},{"value":"2473-0114","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,7]]},"article-number":"24730114261461273"}}