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Intraoperative assessment of resected condyle thickness in total knee arthroplasty.
MedLine Citation:
PMID:  22198358     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
PURPOSE: The purpose of this study was to assess the use of resected condyle thickness measurement, obtained with caliper, when verifying the accuracy of distal femoral bone resection in total knee arthroplasty. METHODS: Fifty-two total knee arthroplasties were performed to treat osteoarthritis with varus knee. The difference of caliper-measured thickness of resected medial and lateral femoral condyles after removal of cartilage from the lateral condyle was compared with radiographically measured values. The preoperative planned valgus cut angles and the postoperative femoral component valgus angles were compared. RESULTS: The difference of radiograph-measured thickness averaged 2.4 ± 2.2 mm and the difference of caliper-measured thickness averaged 2.0 ± 2.1 mm (r = 0.735, P < 0.001). The postoperative femoral component valgus angle averaged 4.8° ± 1.6° (range, 2.0°-7.6°). The difference between the valgus cut angle and femoral component valgus angle averaged -0.3° ± 1.5°. CONCLUSIONS: The confirmation of correspondence between the caliper-measured and radiographically measured thickness of resected condyles could verify the accuracy of distal femoral bone resection in total knee arthroplasty. LEVEL OF EVIDENCE: III.
Authors:
Dae Kyung Bae; Sang Jun Song; Kyoung Ho Yoon; Jung Ho Noh; Chul Hee Lee
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-12-24
Journal Detail:
Title:  Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA     Volume:  -     ISSN:  1433-7347     ISO Abbreviation:  -     Publication Date:  2011 Dec 
Date Detail:
Created Date:  2011-12-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9314730     Medline TA:  Knee Surg Sports Traumatol Arthrosc     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Orthopaedic Surgery, College of Medicine, Kyung Hee University, #1 Hoeki-dong, Dongdaemun-ku, Seoul, 130-702, Korea.
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