{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T03:17:40Z","timestamp":1790047060052,"version":"4.0.1"},"reference-count":25,"publisher":"SAGE Publications","issue":"5","license":[{"start":{"date-parts":[[2019,2,11]],"date-time":"2019-02-11T00:00:00Z","timestamp":1549843200000},"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":["HIP International"],"published-print":{"date-parts":[[2019,9]]},"abstract":"<jats:sec>\n                    <jats:title>Introduction:<\/jats:title>\n                    <jats:p>There is little data regarding timing of index dislocation in patients who undergo primary total hip arthroplasty (THA) and subsequent risk of redislocation and revision.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>Between 1992 and 2013, 21,490 primary THAs were performed at a single institution. 189 patients (190 hips) had a first episode of dislocation within one year of index surgery (0.9 %). 32 patients (32 hips) were excluded for the following reasons: complex THA secondary to fracture malunion, Crowe III\/IV developmental hip dysplasia, periprosthetic fracture, prior hip surgery, incomplete information, and hip abductor avulsion. The final cohort consisted of 157 patients (158 hips) who experienced dislocation within 1 year of primary non-complex THA. 88 patients were female (56%), mean age was 61 years (SD = 14), and mean follow-up was 76 months (range 0\u2013229). Multivariable Cox proportional-hazards regression models with fractional polynomial models were used to estimate the association between timing of index dislocation and subsequent redislocation and revision surgery.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>69 patients (44%) redislocated at final follow-up. Revision for any cause occurred in 26 out of 157 hips (17%). Time lapse from index THA to first dislocation was significantly associated with the risk of redislocation ( p = 0.004) and with the risk of revision ( p = 0.04). For every additional 7 days from surgery, risk of redislocation increased by a factor of 1.1 and risk of revision was increased by a factor of 1.13.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>This study demonstrates there is a lower risk of redislocation and revision in patients who have a first episode of dislocation closer to primary THA.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/1120700019828144","type":"journal-article","created":{"date-parts":[[2019,2,11]],"date-time":"2019-02-11T06:32:32Z","timestamp":1549866752000},"page":"489-495","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":16,"title":["Effect of dislocation timing following primary total hip arthroplasty on the risk of redislocation and revision"],"prefix":"10.1177","volume":"29","author":[{"given":"German A","family":"Norambuena","sequence":"first","affiliation":[{"name":"Mayo Clinic Department of Orthopedic Surgery, Rochester, MN, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cody C","family":"Wyles","sequence":"additional","affiliation":[{"name":"Mayo Clinic Department of Orthopedic Surgery, Rochester, MN, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"suffix":"3rd","given":"Robert E","family":"Van Demark","sequence":"additional","affiliation":[{"name":"Mayo Clinic Department of Orthopedic Surgery, Rochester, MN, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert T","family":"Trousdale","sequence":"additional","affiliation":[{"name":"Mayo Clinic Department of Orthopedic Surgery, Rochester, MN, 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