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

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Date
2014-01-01
Authors
Queen, Robin M
Appleton, J Stephen
Butler, Robert J
Newman, Erik T
Kelley, Scott S
Attarian, David E
Bolognesi, Michael P
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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.
Type
Journal article
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https://hdl.handle.net/10161/8906
Published Version (Please cite this version)
10.1016/j.pmrj.2013.09.006
Publication Info
Queen, Robin M; Appleton, J Stephen; Butler, Robert J; Newman, Erik T; Kelley, Scott S; Attarian, David E; & Bolognesi, Michael P (2014). Total hip arthroplasty surgical approach does not alter postoperative gait mechanics one year after surgery. PM and R, 6(3). pp. 221-226. 10.1016/j.pmrj.2013.09.006. Retrieved from https://hdl.handle.net/10161/8906.
This is constructed from limited available data and may be imprecise. To cite this article, please review & use the official citation provided by the journal.
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Scholars@Duke

Attarian

David Edward Attarian

Professor of Orthopaedic Surgery
Investigation of value based healthcare markets and transitions. Cost transparency for patients and providers.Risk management and medicolegal aspects of orthopaedic practice. Co-management and alignment relationships between clinicians and hospitals/ health systems in evolving healthcare markets. Clinical outcomes of total hip and knee replacements (primary and revision surgeries, total joint infections, modern bearing surfaces, gait mechanics and balance). Novel surgical
Bolognesi

Michael Paul Bolognesi

Professor of Orthopaedic Surgery
As chief of the adult reconstruction service, the majority of my research effort has been directed toward clinical outcomes, implant survivorship, functional recovery, the biology of hip and knee arthritis and cost effectiveness.
Butler

Robert John Butler

Adjunct Associate Professor in the Department of Orthopaedic Surgery
Construction of standards for a functional testing continuum for ACL patients to optimize durability and performance.Development of field expedient tests to predict musculoskeletal injury. Predictors of the early presentation of knee osteoarthritis following a joint injury. 
Kelley

Scott Streater Kelley

Professor of Orthopaedic Surgery

Robin Marie Queen

Assistant Professor of Orthopaedic Surgery
This author no longer has a Scholars@Duke profile, so the information shown here reflects their Duke status at the time this item was deposited.
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