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The effect of medial open wedge high tibial osteotomy on the patellofemoral joint: comparative analysis according to the preexisting cartilage status

Authors
 Hyun-Soo Moon  ;  Chong-Hyuk Choi  ;  Min Jung  ;  Sang-Hoon Park  ;  Dae-Young Lee  ;  Jong-Kwan Shin  ;  Sung-Hwan Kim 
Citation
 BMC MUSCULOSKELETAL DISORDERS, Vol.20(1) : 607, 2019 
Journal Title
 BMC MUSCULOSKELETAL DISORDERS 
Issue Date
2019
Keywords
Cartilage lesion ; High tibial osteotomy ; Knee ; Patellofemoral joint
Abstract
BACKGROUND: Although it has been known that medial open wedge high tibial osteotomy (MOWHTO) would adversely affect the patellofemoral joint, no previous study examined the surgical outcome of MOWHTO according to the preexisting cartilage status of the patellofemoral joint. The aim of this study was to investigate the effect of MOWHTO on the patellofemoral joint with regard to objective and subjective aspects according to the preexisting cartilage status. METHODS: Ninety-two patients who underwent MOWHTO and a following second-look arthroscopic assessment were included in this study. The patients were divided into two groups according to the preexisting cartilage status of the patellofemoral joint: group 1 (International Cartilage Repair Society [ICRS] grade 2 or 3) and group 2 (ICRS grade 0 or 1). Comparative analysis was performed regarding clinical scores, radiographic parameters, and arthroscopic measurements between the two groups. RESULTS: Clinical outcomes showed overall improvement from baseline to the time of second-look operation, with no significant difference between the two groups at each time point. There were no significant differences in radiographic parameters between the two groups. Radiographic grade of patellofemoral osteoarthritis in both groups showed a tendency to progress, without statistical significance. In arthroscopic assessment, the size of the cartilage lesion on the patellofemoral joint increased with time in both groups (P = 0.003), but the degree of change over time between the two groups was not statistically significant. Consistently, there was no significant difference in the frequency of progression of cartilage lesion grade in the patellofemoral joint between the two groups. CONCLUSIONS: MOWHTO would contribute to osteoarthritis progression of the patellofemoral joint regardless of the preexisting cartilage status, without an association with clinical outcomes in short-term follow-up.
Files in This Item:
T201905143.pdf Download
DOI
10.1186/s12891-019-2989-y
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Sung Hwan(김성환) ORCID logo https://orcid.org/0000-0001-5743-6241
Moon, Hyun-Soo(문현수)
Shin, Jong-Kwan(신종관)
Jung, Min(정민) ORCID logo https://orcid.org/0000-0002-7527-4802
Choi, Chong Hyuk(최종혁) ORCID logo https://orcid.org/0000-0002-9080-4904
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/174651
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