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Total hip arthroplasty surgical approach does not alter postoperative gait mechanics one year after surgery

dc.contributor.author Queen, Robin M
dc.contributor.author Appleton, J Stephen
dc.contributor.author Butler, Robert J
dc.contributor.author Newman, Erik T
dc.contributor.author Kelley, Scott S
dc.contributor.author Attarian, David E
dc.contributor.author Bolognesi, Michael P
dc.date.accessioned 2014-06-20T02:27:52Z
dc.date.issued 2014-01-01
dc.identifier.issn 1934-1482
dc.identifier.uri https://hdl.handle.net/10161/8906
dc.description.abstract Objective: To investigate the differences in gait biomechanics on the basis of surgical approach 1 year after surgery. Design: This was a descriptive laboratory study to investigate the side-to-side differences in walking mechanics at a self-selected walking speed as well as a functional assessment 1year after total hip arthroplasty (THA). Temporospatial, kinetic, and kinematic data as well as functional outcomes were collected. Two-way analysis of variance was used to assess for between-group differences and limb-to-limb asymmetries. Setting: A controlled laboratory study. Participants: This study examined 35 patients with primary, unilateral THA. The THA surgical approaches that were used in these patients included 12 direct lateral, 18 posterior, and 11 anterolateral. All the patients were assessed 1 year after THA. Patients were excluded from the study if they had contralateral hip pain or pathology, or any prior lower extremity total joint replacements. Main Outcome Measurements: Three-dimensional lower extremity kinematics and kinetics as well as spatiotemporal variables were collected. In addition, a series of physical performance measures were collected. Results: No main effects for the physical performance measures or biomechanical variables were observed among the approach groups. Significant limb-to-limb asymmetries were observed among all the patients, with decreased sagittal plane range of motion, peak extension, and peak vertical ground reaction forces on the operative side. Conclusion: The results of this study indicated that no significant differences existed among the different surgical approach groups for any study variable. However, 1 year after THA, the patients demonstrated asymmetric gait patterns regardless of surgical approach, which indicated the potential need for continued intervention through physical therapy to regain normal side-to-side symmetry after THA. © 2014 American Academy of Physical Medicine and Rehabilitation.
dc.publisher Wiley
dc.relation.ispartof PM and R
dc.relation.isversionof 10.1016/j.pmrj.2013.09.006
dc.title Total hip arthroplasty surgical approach does not alter postoperative gait mechanics one year after surgery
dc.type Journal article
duke.contributor.id Queen, Robin M|0333217
duke.contributor.id Butler, Robert J|0535237
duke.contributor.id Kelley, Scott S|0304851
duke.contributor.id Attarian, David E|0056154
duke.contributor.id Bolognesi, Michael P|0119360
pubs.begin-page 221
pubs.end-page 226
pubs.issue 3
pubs.organisational-group Clinical Science Departments
pubs.organisational-group Duke
pubs.organisational-group Faculty
pubs.organisational-group Orthopaedics
pubs.organisational-group Orthopaedics, Physical Therapy
pubs.organisational-group School of Medicine
pubs.publication-status Published
pubs.volume 6


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