{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,10]],"date-time":"2026-09-10T22:52:09Z","timestamp":1789080729936,"version":"build-2803163510"},"reference-count":31,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"4","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2023,7]]},"abstract":"<jats:p>Some patients with developmental dysplasia of the hip (DDH) before 6 months of age successfully treated by Pavlik Harness (PH) still had persistent acetabular dysplasia (PAD). This study aimed to investigate the incidence and risk factors for PAD in patients with DDH treated by PH. We retrospectively reviewed the data of 89 patients (109 hips; mean age, 3.2 \u00b1 1.5 months) with DDH treated by PH. Prior to treatment, all patients underwent ultrasound examination and classified according to Graf\u2019s method. PH was terminated once the hip achieved imaging recovery criteria. At final follow-up, the acetabular index (AI), center-edge angle (CEA) of Wiberg were measured on radiograph. Overall, 67\/109 hips (61.5%) had successful PH treatment. Among these 67 hips, 58 hips (86.6%) achieved satisfactory outcome, nine (13.4%) had PAD. Age of the patients with PAD (4.3 \u00b1 1 months) was significantly higher than those without PAD (2.8 \u00b1 1.5 months) (<jats:italic toggle=\"yes\">P<\/jats:italic> = 0.001). Hips with PAD had higher mean Graf grade than those with satisfactory outcome (<jats:italic toggle=\"yes\">P<\/jats:italic> = 0.014). Logistic regression-confirmed age and Graf classification were risk factors for PAD. Overall, 55\/67 (82.1%) met imaging recovery criteria to stop PH treatment, whereas 12\/67 hips (17.9%) did not. The rate of PAD at final follow-up in patients achieving recovery criteria (4\/55; 7.3%) was significantly lower than those not achieving it (41.7%) (<jats:italic toggle=\"yes\">P<\/jats:italic> = 0.007). In conclusion, age and Graf classification are risk factors for PAD. If hips are not normal at the end of PH treatment, the risk of PAD increases further.<\/jats:p>","DOI":"10.1097\/bpb.0000000000000992","type":"journal-article","created":{"date-parts":[[2022,6,15]],"date-time":"2022-06-15T10:01:42Z","timestamp":1655287302000},"page":"312-317","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":5,"title":["Incidence and risk factors for persistent acetabular dysplasia in patients with developmental dislocation of the hip treated by Pavlik Harness"],"prefix":"10.1097","volume":"32","author":[{"given":"YiQiang","family":"Li","sequence":"first","affiliation":[{"name":"GuangZhou Women and Children\u2019s Medical Center, GuangZhou Medical University, Guangzhou, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Federico","family":"Canavese","sequence":"additional","affiliation":[{"name":"GuangZhou Women and Children\u2019s Medical Center, GuangZhou Medical University, Guangzhou, China"},{"name":"Department of Pediatric Orthopedic Surgery, Jeanne de Flandre Hospital, Lille University Centre, Lille, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"YanHan","family":"Liu","sequence":"additional","affiliation":[{"name":"GuangZhou Women and Children\u2019s Medical Center, GuangZhou Medical University, Guangzhou, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"JianPing","family":"Wu","sequence":"additional","affiliation":[{"name":"GuangZhou Women and Children\u2019s Medical Center, GuangZhou Medical University, Guangzhou, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"JingChun","family":"Li","sequence":"additional","affiliation":[{"name":"GuangZhou Women and Children\u2019s Medical Center, GuangZhou Medical University, Guangzhou, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhe","family":"Yuan","sequence":"additional","affiliation":[{"name":"GuangZhou Women and Children\u2019s Medical Center, GuangZhou Medical University, Guangzhou, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"HongWen","family":"Xu","sequence":"additional","affiliation":[{"name":"GuangZhou Women and Children\u2019s Medical Center, GuangZhou Medical University, Guangzhou, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2022,6,14]]},"reference":[{"key":"R1-20250526","doi-asserted-by":"crossref","first-page":"2309499017717197","DOI":"10.1177\/2309499017717197","article-title":"Diagnosis and treatment of developmental dysplasia of the hip: a current practice of paediatric orthopaedic surgeons.","volume":"25","author":"Al-Essa","year":"2017","journal-title":"J Orthop Surg (Hong Kong)"},{"key":"R3-20250526","doi-asserted-by":"crossref","first-page":"578","DOI":"10.4103\/0019-5413.121584","article-title":"Management of developmental dysplasia of the hip in less than 24 months old 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