Intraoperative assessment of acetabular orientation: technical note

Acetabular surgery is frequently utilized to manage developmental dysplasia of the hip and hip problems associated with cerebral palsy. During the operation, accurate correction of the orientation of the acetabular fragment is necessary. We describe a technique that enables accurate assessment of th...

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Bibliographic Details
Published inJournal of pediatric orthopaedics. B Vol. 21; no. 3; p. 206
Main Authors Gallacher, Peter D, Roberts, Andrew P
Format Journal Article
LanguageEnglish
Published United States 01.05.2012
Subjects
Acetabulum - diagnostic imaging
Acetabulum - surgery
Adolescent
Adult
Arthroplasty, Replacement, Hip - methods
Bone Malalignment - prevention & control
Child
Female
Humans
Male
Monitoring, Intraoperative - methods
Postoperative Complications - prevention & control
Prosthesis Fitting - methods
Radiography
Reproducibility of Results
Young Adult
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Summary:Acetabular surgery is frequently utilized to manage developmental dysplasia of the hip and hip problems associated with cerebral palsy. During the operation, accurate correction of the orientation of the acetabular fragment is necessary. We describe a technique that enables accurate assessment of the coronal plane alteration in orientation. Intraoperative image intensifier records were compared with postoperative films and the accuracy of the coronal plane correction was evaluated. We found the intraoperative sourcil angle closely correlated to the postoperative angle to within 1°. The Spearman correlation coefficient was R=0.97, suggesting a close relationship between the two measurements.
ISSN:1473-5865
DOI:10.1097/BPB.0b013e3283517aa8