Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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UNKNOWN
NA
40 participants
INTERVENTIONAL
2019-07-22
2021-09-30
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
NONE
Study Groups
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Pillow Group
There will be a pillow placed between the patients legs during their operation.
Pillow
A pillow to lessen the angle differences between hips so that the acetabular component can be placed in an optimal position.
Control Group
They will receive a normal total hip arthroplasty.
No interventions assigned to this group
Interventions
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Pillow
A pillow to lessen the angle differences between hips so that the acetabular component can be placed in an optimal position.
Eligibility Criteria
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Inclusion Criteria
* Patients capable of reading, understanding, and willing to sign the informed consent form
Exclusion Criteria
* Prior hip osteotomy or fracture osteosynthesis on the index hip
18 Years
ALL
No
Sponsors
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Ottawa Hospital Research Institute
OTHER
Responsible Party
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Principal Investigators
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George Grammatopoulos, MBBS BSc FRCS DPhil
Role: PRINCIPAL_INVESTIGATOR
The Ottawa Hospital Research Institute
Locations
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The Ottawa Hospital
Ottawa, Ontario, Canada
Countries
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Central Contacts
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Facility Contacts
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References
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Ozaki Y, Baba T, Homma Y, Ochi H, Watari T, Banno S, Matsumoto M, Kaneko K. Posterior versus direct anterior approach in total hip arthroplasty: difference in patient-reported outcomes measured with the Forgotten Joint Score-12. SICOT J. 2018;4:54. doi: 10.1051/sicotj/2018051. Epub 2016 Nov 27.
Kennedy JG, Rogers WB, Soffe KE, Sullivan RJ, Griffen DG, Sheehan LJ. Effect of acetabular component orientation on recurrent dislocation, pelvic osteolysis, polyethylene wear, and component migration. J Arthroplasty. 1998 Aug;13(5):530-4. doi: 10.1016/s0883-5403(98)90052-3.
D'Lima DD, Urquhart AG, Buehler KO, Walker RH, Colwell CW Jr. The effect of the orientation of the acetabular and femoral components on the range of motion of the hip at different head-neck ratios. J Bone Joint Surg Am. 2000 Mar;82(3):315-21. doi: 10.2106/00004623-200003000-00003.
Grammatopoulos G, Thomas GE, Pandit H, Beard DJ, Gill HS, Murray DW. The effect of orientation of the acetabular component on outcome following total hip arthroplasty with small diameter hard-on-soft bearings. Bone Joint J. 2015 Feb;97-B(2):164-72. doi: 10.1302/0301-620X.97B2.34294.
Widmer KH. [Impingement Free Motion in Total Hip Arthroplasty - How Can We Implement It?]. Z Orthop Unfall. 2016 Aug;154(4):392-7. doi: 10.1055/s-0042-108065. Epub 2016 Jun 23. German.
Fujishiro T, Hiranaka T, Hashimoto S, Hayashi S, Kurosaka M, Kanno T, Masuda T. The effect of acetabular and femoral component version on dislocation in primary total hip arthroplasty. Int Orthop. 2016 Apr;40(4):697-702. doi: 10.1007/s00264-015-2924-2. Epub 2015 Jul 23.
Grammatopoulos G, Pandit HG, da Assuncao R, Taylor A, McLardy-Smith P, De Smet KA, Murray DW, Gill HS. Pelvic position and movement during hip replacement. Bone Joint J. 2014 Jul;96-B(7):876-83. doi: 10.1302/0301-620X.96B7.32107.
Meermans G, Goetheer-Smits I, Lim RF, Van Doorn WJ, Kats J. The difference between the radiographic and the operative angle of inclination of the acetabular component in total hip arthroplasty: use of a digital protractor and the circumference of the hip to improve orientation. Bone Joint J. 2015 May;97-B(5):603-10. doi: 10.1302/0301-620X.97B5.34781.
Wright JG. Small Simple Trials: A Strategy for Orthopaedic Randomized Trials. J Bone Joint Surg Am. 2018 Jul 18;100(14):e95. doi: 10.2106/JBJS.17.01107. No abstract available.
Langton DJ, Sprowson AP, Mahadeva D, Bhatnagar S, Holland JP, Nargol AV. Cup anteversion in hip resurfacing: validation of EBRA and the presentation of a simple clinical grading system. J Arthroplasty. 2010 Jun;25(4):607-13. doi: 10.1016/j.arth.2009.08.020. Epub 2009 Dec 21.
Other Identifiers
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20190058
Identifier Type: -
Identifier Source: org_study_id
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