| Early range of motion of the scorpio non-restrictive geometry cruciate-retaining total knee system. | |
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MedLine Citation:
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PMID: 21036012 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Flexion following total knee arthroplasty in the US population generally falls between 100° and 120°. Because of these relatively low flexion arcs, total knee arthroplasty prosthetic designs emerged allowing "high flexion" (≥125°). We hypothesized that a high-flexion implant design, Scorpio Non-Restrictive Geometry cruciate-retaining knee prosthesis, would allow clinical early maximum flexion of at least 125°. A prospective observational cohort study enrolled 87 unselected patients (94 knees) evaluated preoperation and 3 months and 1 year postoperation for clinical flexion, arc of motion, and Knee Society scores. At 1 year, 67% of knees had improved flexion and 23% achieved flexion of at least 125°. Clinically, flexion improved by 6.9° and total arc of motion improved by 10.6° from preoperation to 1-year postoperation. Although this high-flexion design allows increased flexion, many patients fail to achieve flexion of at least 125°. |
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Authors:
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Clifford W Colwell; Jonathan D Gelber; Pamela A Pulido; Kevin M Casey |
Publication Detail:
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Type: Journal Article Date: 2010-10-29 |
Journal Detail:
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Title: The Journal of arthroplasty Volume: 26 ISSN: 1532-8406 ISO Abbreviation: J Arthroplasty Publication Date: 2011 Aug |
Date Detail:
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Created Date: 2011-07-22 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8703515 Medline TA: J Arthroplasty Country: United States |
Other Details:
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Languages: eng Pagination: 751-5 Citation Subset: IM |
Copyright Information:
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Copyright © 2011 Elsevier Inc. All rights reserved. |
Affiliation:
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Shiley Center for Orthopaedic Research and Education (SCORE) at Scripps Clinic, La Jolla, California. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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