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- Title
Results of Total Knee Arthroplasty with NexGen LPS-flex Implant Using Navigation System (Brain Lab): Results with a 5-year Follow-up.
- Authors
Chul Hyung Kang; Kyung Jae Lee; Ki Cheor Bae; Chul Hyun Cho; Si Wook Lee; Hong Kwan Shin; Young Kook Lee; Ji Suk Bae
- Abstract
Purpose: To evaluate the clinical and radiological results of patients that underwent total knee arthroplasty (TKA) with a NexGen LPS-Flex implant using a Navigation system (Brain Lab). Materials and Methods: Between January 2001 and December 2005, 55 knees in 46 patients which used the NexGen LPS-Flex implant with a Navigation system (Brain Lab) for primary TKA were clinically and radiologically evaluated after a minimum follow-up of 5 years. Evaluation included preoperative and postoperative range of motion (ROM), Knee Society Score (KSS), tibio-femoral angle and postoperative complications. Results: Knee ROM was increased from 118.9° preoperatively to 126.9° at the last follow up. In addition, the preoperative flexion contracture improved from 6.5° to 1.8° postoperatively. The mean KSS and functional score were improved from 59.8 and 51.2 to postoperative scores of 86.4 and 85.2 respectively. The rate of appearance of radiolucency in X-ray was 21.8%. One case of superficial skin infection and one case of aseptic loosening were noted as complications but, did not require a revision surgery. Conclusions: TKA with NexGen LPS-Flex implant using Navigation system (Brain Lab) showed satisfactory improvement in pain and function, but more long term follow up will be needed to complete verification.
- Subjects
TOTAL knee replacement; ORTHOPEDIC implants; RANGE of motion of joints; MEDICAL radiology; ORTHOPEDIC surgery complications; FUNCTIONAL assessment
- Publication
Knee Surgery & Related Research, 2012, Vol 24, Issue 4, p208
- ISSN
2234-0726
- Publication type
Article
- DOI
10.5792/ksrr.2012.24.4.208