Early failure of unicompartmental knee arthroplasty leading to revision
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作者:
Aleto, Thomas J.
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St Francis Hosp, Joint Replacement Surg Indiana Res Fdn, Ctr Hip & Knee Surg, Mooresville, IN 46158 USA
Univ Missouri, Missouri Hip & Knee Ctr, Dept Orthopaed, Columbia, MO USASt Francis Hosp, Joint Replacement Surg Indiana Res Fdn, Ctr Hip & Knee Surg, Mooresville, IN 46158 USA
Aleto, Thomas J.
[1
,2
]
Berend, Michael E.
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St Francis Hosp, Joint Replacement Surg Indiana Res Fdn, Ctr Hip & Knee Surg, Mooresville, IN 46158 USASt Francis Hosp, Joint Replacement Surg Indiana Res Fdn, Ctr Hip & Knee Surg, Mooresville, IN 46158 USA
Berend, Michael E.
[1
]
Ritter, Merrill A.
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St Francis Hosp, Joint Replacement Surg Indiana Res Fdn, Ctr Hip & Knee Surg, Mooresville, IN 46158 USASt Francis Hosp, Joint Replacement Surg Indiana Res Fdn, Ctr Hip & Knee Surg, Mooresville, IN 46158 USA
Ritter, Merrill A.
[1
]
Faris, Philip M.
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St Francis Hosp, Joint Replacement Surg Indiana Res Fdn, Ctr Hip & Knee Surg, Mooresville, IN 46158 USASt Francis Hosp, Joint Replacement Surg Indiana Res Fdn, Ctr Hip & Knee Surg, Mooresville, IN 46158 USA
Faris, Philip M.
[1
]
Meneghini, R. Michael
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St Francis Hosp, Joint Replacement Surg Indiana Res Fdn, Ctr Hip & Knee Surg, Mooresville, IN 46158 USASt Francis Hosp, Joint Replacement Surg Indiana Res Fdn, Ctr Hip & Knee Surg, Mooresville, IN 46158 USA
Meneghini, R. Michael
[1
]
机构:
[1] St Francis Hosp, Joint Replacement Surg Indiana Res Fdn, Ctr Hip & Knee Surg, Mooresville, IN 46158 USA
[2] Univ Missouri, Missouri Hip & Knee Ctr, Dept Orthopaed, Columbia, MO USA
The most common previously reported modes of failure of unicompartmental knee arthroplasty (UKA) in the first and second decades are polyethylene wear, progression of arthritis, and component loosening. The purpose of this study is to describe an early mechanism of failure of the medial UKA. Thirty-two consecutive revisions from UKA to total knee arthroplasty were retrospectively reviewed. The predominant mode of failure observed in 15 (47%) of 32 knees was medial tibial collapse. Of these, 87% were an all-polyethylene design, and 7 of 15 failed in less than 16 months and required more complex reconstruction with steins, augments, and screws and cement. Increased tibial slope was associated with posterior tibial collapse. In our series, knees that failed by medial tibial collapse had more significant bone defects and required more complex reconstructions than is currently reported in the literature.
机构:
Rush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USARush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USA
Berger, RA
Meneghini, RM
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Rush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USARush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USA
Meneghini, RM
Jacobs, JJ
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Rush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USARush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USA
Jacobs, JJ
Sheinkop, MB
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Rush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USARush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USA
Sheinkop, MB
Della Valle, CJ
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Rush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USARush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USA
Della Valle, CJ
Rosenberg, AG
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Rush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USARush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USA
Rosenberg, AG
Galante, JO
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Rush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USARush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USA
机构:
Rush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USARush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USA
Berger, RA
Meneghini, RM
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Rush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USARush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USA
Meneghini, RM
Jacobs, JJ
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Rush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USARush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USA
Jacobs, JJ
Sheinkop, MB
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机构:
Rush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USARush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USA
Sheinkop, MB
Della Valle, CJ
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机构:
Rush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USARush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USA
Della Valle, CJ
Rosenberg, AG
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机构:
Rush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USARush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USA
Rosenberg, AG
Galante, JO
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Rush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USARush Med Coll, Rush Presbyterian St Lukes Med Ctr, Dept Orthopaed Surg, Chicago, IL 60612 USA