Validity, Reliability and Reproducibility of Plain Radiographic Measurements After Total Hip Arthroplasty
NCT ID: NCT02102334
Last Updated: 2014-04-02
Study Results
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Basic Information
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COMPLETED
90 participants
OBSERVATIONAL
2010-09-30
2013-12-31
Brief Summary
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Questions/purposes: (1) Evaluate the validity of the Sundsvall method of FO measurement by comparing it to a standard FO measurement method. (2) Evaluate the interobserver reliability and intraobserver reproducibility of measurement of FO, LLD, acetabular cup inclination and anteversion.
90 patients with primary unilateral osteoarthritis (OA) were included in this prospective study. On postoperative radiographs FO by the Sundsvall method, FO by a standard method, LLD, acetabular cup inclination and anteversion were measured. The interobserver reliability and intraobserver reproducibility were made by three independent observers. The validity and degree of prediction of Sundsvall method are measured by comparing its results with the standard method.
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Detailed Description
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Conditions
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Study Design
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COHORT
PROSPECTIVE
Study Groups
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Unilateral osteoarthritis
Patients operated with a total hip replacement due to unilateral osteoarthritis of the hip. Radiographic measurements of the postoperative radiographs.
No interventions assigned to this group
Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
ALL
No
Sponsors
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Sundsvall Hospital
OTHER
Responsible Party
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Lennart Bråbäck
MD, PhD
Principal Investigators
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Arkan S Sayed-Noor, MD,PhD,FRCS
Role: PRINCIPAL_INVESTIGATOR
Umeå University
Locations
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Sundsvall hostpital
Sundsvall, Västernorrland County, Sweden
Countries
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References
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Kjellberg M, Englund E, Sayed-Noor AS. A new radiographic method of measuring femoral offset. The Sundsvall method. Hip Int. 2009 Oct-Dec;19(4):377-81. doi: 10.1177/112070000901900413.
Lecerf G, Fessy MH, Philippot R, Massin P, Giraud F, Flecher X, Girard J, Mertl P, Marchetti E, Stindel E. Femoral offset: anatomical concept, definition, assessment, implications for preoperative templating and hip arthroplasty. Orthop Traumatol Surg Res. 2009 May;95(3):210-9. doi: 10.1016/j.otsr.2009.03.010. Epub 2009 May 6.
Gililland JM, Anderson LA, Boffeli SL, Pelt CE, Peters CL, Kubiak EN. A fluoroscopic grid in supine total hip arthroplasty: improving cup position, limb length, and hip offset. J Arthroplasty. 2012 Sep;27(8 Suppl):111-6. doi: 10.1016/j.arth.2012.03.027. Epub 2012 May 3.
Konyves A, Bannister GC. The importance of leg length discrepancy after total hip arthroplasty. J Bone Joint Surg Br. 2005 Feb;87(2):155-7. doi: 10.1302/0301-620x.87b2.14878.
Bonett DG. Sample size requirements for estimating intraclass correlations with desired precision. Stat Med. 2002 May 15;21(9):1331-5. doi: 10.1002/sim.1108.
Woolson ST, Hartford JM, Sawyer A. Results of a method of leg-length equalization for patients undergoing primary total hip replacement. J Arthroplasty. 1999 Feb;14(2):159-64. doi: 10.1016/s0883-5403(99)90119-5.
Wylde V, Maclean A, Blom AW. Post-operative radiographic factors and patient-reported outcome after total hip replacement. Hip Int. 2012 Mar-Apr;22(2):153-9. doi: 10.5301/HIP.2012.9225.
Wylde V, Whitehouse SL, Taylor AH, Pattison GT, Bannister GC, Blom AW. Prevalence and functional impact of patient-perceived leg length discrepancy after hip replacement. Int Orthop. 2009 Aug;33(4):905-9. doi: 10.1007/s00264-008-0563-6. Epub 2008 Apr 25.
Little NJ, Busch CA, Gallagher JA, Rorabeck CH, Bourne RB. Acetabular polyethylene wear and acetabular inclination and femoral offset. Clin Orthop Relat Res. 2009 Nov;467(11):2895-900. doi: 10.1007/s11999-009-0845-3. Epub 2009 May 2.
Patel SR, Toms AP, Rehman JM, Wimhurst J. A reliability study of measurement tools available on standard picture archiving and communication system workstations for the evaluation of hip radiographs following arthroplasty. J Bone Joint Surg Am. 2011 Sep 21;93(18):1712-9. doi: 10.2106/JBJS.J.00709.
Kjellberg M, Al-Amiry B, Englund E, Sjoden GO, Sayed-Noor AS. Measurement of leg length discrepancy after total hip arthroplasty. The reliability of a plain radiographic method compared to CT-scanogram. Skeletal Radiol. 2012 Feb;41(2):187-91. doi: 10.1007/s00256-011-1166-7. Epub 2011 Apr 14.
Moskal JT, Capps SG. Acetabular component positioning in total hip arthroplasty: an evidence-based analysis. J Arthroplasty. 2011 Dec;26(8):1432-7. doi: 10.1016/j.arth.2010.11.011. Epub 2011 Feb 5.
Other Identifiers
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RMVL
Identifier Type: -
Identifier Source: org_study_id
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