Comparison of pelvic radiographs in weightbearing and supine positions

Susanne Fuchs-Winkelmann; Christian-Dominik Peterlein; Carsten O Tibesku; Stuart L Weinstein

doi:10.1007/s11999-008-0124-8

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Comparison of pelvic radiographs in weightbearing and supine positions

Journal article

Open access

Peer reviewed

Comparison of pelvic radiographs in weightbearing and supine positions

Susanne Fuchs-Winkelmann, Christian-Dominik Peterlein, Carsten O Tibesku and Stuart L Weinstein

Clinical orthopaedics and related research, Vol.466(4), pp.809-812

04/2008

DOI: 10.1007/s11999-008-0124-8

PMCID: PMC2504670

PMID: 18288555

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Abstract

We asked whether radiographic angles and signs of hip osteoarthrosis differ between radiographs of the pelvis taken in standing and supine positions. We retrospectively reviewed the radiographs of 61 patients (72 hips) with developmental dislocation of the hip. The minimum followup after closed reduction was 15 years (mean, 44 years; range, 15-64 years). We used pelvic radiographs in supine and standing positions taken at the same time and determined the following parameters: minimal joint space width, acetabular roof obliquity (AC angle), depth of the acetabulum (ACM angle), and center-edge angle. Osteoarthrosis was assessed according to Kellgren and Lawrence. Two independent observers measured all radiographs manually with a goniometer. AC angle, center-edge angle, and minimum joint space width differed between the radiographs taken in supine and standing positions at followup, whereas osteoarthrosis grading and the ACM angle did not. The AC angle depended on patient position and predicted development of osteoarthrosis. The minimum joint space width was influenced by the radiographic position with greater values in the supine position. ACM angle and the osteoarthrosis grade according to Kellgren and Lawrence were unaffected by the patient's position. Level II, prognostic study. See the Guidelines for Authors for a complete description of levels of evidence.

Hip Dislocation, Congenital - diagnostic imaging

Prognosis

Follow-Up Studies

Humans

Child, Preschool

Infant

Male

Osteoarthritis, Hip - etiology

Pelvis - diagnostic imaging

Posture

Pelvis - physiopathology

Time Factors

Orthopedic Procedures

Female

Hip Dislocation, Congenital - complications

Retrospective Studies

Acetabulum - diagnostic imaging

Supine Position

Osteoarthritis, Hip - physiopathology

Severity of Illness Index

Hip Joint - surgery

Acetabulum - physiopathology

Treatment Outcome

Hip Dislocation, Congenital - surgery

Hip Joint - diagnostic imaging

Osteoarthritis, Hip - diagnostic imaging

Arthrography

Hip Joint - physiopathology

Weight-Bearing

Hip Dislocation, Congenital - physiopathology

Details

Title: Subtitle: Comparison of pelvic radiographs in weightbearing and supine positions
Creators: Susanne Fuchs-Winkelmann - Department of Orthopaedics and Rheumatology, University Hospital Giessen and Marburg, Baldingerstrasse, 35043, Marburg, Germany. fuchss@med.uni-marburg.de
Christian-Dominik Peterlein
Carsten O Tibesku
Stuart L Weinstein
Resource Type: Journal article
Publication Details: Clinical orthopaedics and related research, Vol.466(4), pp.809-812
DOI: 10.1007/s11999-008-0124-8
PMID: 18288555
PMCID: PMC2504670
NLM abbreviation: Clin Orthop Relat Res
ISSN: 0009-921X
eISSN: 1528-1132
Publisher: United States
Language: English
Date published: 04/2008
Academic Unit: Stead Family Department of Pediatrics; Orthopedics and Rehabilitation
Record Identifier: 9984040214102771

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