{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,23]],"date-time":"2026-08-23T14:29:44Z","timestamp":1787495384651,"version":"build-2736575974"},"reference-count":28,"publisher":"American Veterinary Medical Association (AVMA)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["javma"],"published-print":{"date-parts":[[2006,8,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    <jats:bold>Objective<\/jats:bold>\n                    \u2014To investigate factors influencing screw loosening after triple pelvic osteotomy (TPO) and ischial wire stabilization of the acetabular segment.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Design<\/jats:bold>\n                    \u2014Retrospective case series.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Animals<\/jats:bold>\n                    \u2014227 dogs with congenital hip dysplasia or subluxated hip joints.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Procedures<\/jats:bold>\n                    \u2014Medical records and radiographs of 227 dogs that underwent 332 TPO procedures were evaluated, and data pertaining to screw type, plate position, sacral screw engagement, use of ischial interfragmentary wires, and pelvic alignment were assessed for associations with screw loosening.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Results<\/jats:bold>\n                    \u2014Complications developed in 96 of the 332 (29%) procedures. Cancellous screws without sacral engagement were associated with the lowest frequency (6%) of loosening, compared with cancellous and cortical screws engaging the sacrum and cortical screws that did not engage the sacrum. Frequency of screw loosening increased when cortical or cancellous screws engaged the sacrum and when cortical screws were used. In dogs that had surgery bilaterally, the first limb on which TPO was performed had a higher frequency of screw loosening than the second limb. Pelvic alignment loss was greatest (5.4\u00b0) when the 3 most cranial screws were loosened. Loss of pelvic alignment was significantly different between dogs that underwent surgery and had complications and those that underwent surgery and did not have complications in association with loosening of 1, 2, and 3 screws.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Conclusions and Clinical Relevance<\/jats:bold>\n                    \u2014TPO screw loosening was multifactorial and related to stability of the affected ilium, screw type, and screw position. Placing cancellous screws that do not engage the sacrum in pelvic osteotomy plate positions 1 through 3 may decrease the number of screws that loosen.\n                  <\/jats:p>","DOI":"10.2460\/javma.229.4.535","type":"journal-article","created":{"date-parts":[[2006,8,15]],"date-time":"2006-08-15T10:03:54Z","timestamp":1155636234000},"page":"535-541","source":"Crossref","is-referenced-by-count":30,"title":["Evaluation of ilial screw loosening after triple pelvic osteotomy in dogs: 227 cases (1991\u20131999)"],"prefix":"10.2460","volume":"229","author":[{"given":"Michael T.","family":"Doornink","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mary A.","family":"Nieves","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Richard","family":"Evans","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1272","reference":[{"key":"ref1","series-title":"J Am Vet Med Assoc","first-page":"207","article-title":"Prevalence and inheritance of and selection for hip dysplasia in seven breeds of dogs in Sweden and benefit:cost analysis of a screening and control program","volume":"210","author":"Swenson","year":"1997"},{"key":"ref2","series-title":"In Pract","first-page":"2","article-title":"Decision making in the management of canine hip dysplasia","volume":"Jan","author":"Coughlan","year":"1996"},{"key":"ref3","series-title":"Am J Vet Res","first-page":"87","article-title":"Development of hip dysplasia in dogs","volume":"34","author":"Lust","year":"1973"},{"key":"ref4","series-title":"Handbook of small animal orthopedics and fracture 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