Document Detail

Comparison of joint line position changes after primary bilateral total knee arthroplasty performed using the navigation-assisted measured gap resection or gap balancing techniques.
MedLine Citation:
PMID:  21431374     Owner:  NLM     Status:  Publisher    
PURPOSE: This study aimed to compare the clinical and radiological results of navigation-assisted TKAs performed using the measured gap resection or the gap balancing technique in thirty patients who underwent bilateral primary TKAs. METHODS: Sixty cases of navigation-assisted TKAs [30 TKAs performed using the measured gap resection technique (Group A) and 30 TKAs performed using the gap balancing technique (Group B)] were analyzed prospectively with minimum follow-up of 2 years. The joint line positions were measured using preoperative and postoperative weight-bearing anteroposterior and lateral radiographs. Clinical results were evaluated using knee scores and functional scores. RESULTS: No significant differences in knee scores or functional scores were observed. Polyethylene thickness and flexion/extension gaps were significantly larger in Group B (P < 0.05). The meaningful proximal shift of the joint line was shown in Group B (P < 0.05). CONCLUSION: The navigation-assisted TKA with measured gap resection technique could be a useful technique with regard to restoration of the joint line. LEVEL OF EVIDENCE: II.
Han Jun Lee; Jae Sung Lee; Ho Joong Jung; Kwang Sup Song; Jae Jun Yang; Chi Woo Park
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-3-23
Journal Detail:
Title:  Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA     Volume:  -     ISSN:  1433-7347     ISO Abbreviation:  -     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-3-24     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:  -    
Department of Orthopedic Surgery, College of Medicine, Chung-Ang University, 221 Heuksuk dong, Dongjak-gu, Seoul, 156-755, South Korea.
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