Kwang-Jun Oh1, Young Chan Kim2, Jong Seong Lee3, Yong Suk Chang2, Gautam M Shetty4, Kyung Wook Nha5. 1. Department of Orthopaedic Surgery, KonKuk University Medical Center, KonKuk University School of Medicne, Seoul, South Korea. 2. Department of Orthopaedic Surgery, IIsan Paik Hospital, Inje University, Goyang, South Korea. 3. Department of Orthopaedic Surgery, KS Hospital, Ansan, South Korea. 4. Department of Orhopaedic Surgery, Mullaji Knee Clinic, Mumbai, India. 5. Department of Orthopaedic Surgery, IIsan Paik Hospital, Inje University, Goyang, South Korea. kwnhamj@hotmail.com.
Abstract
PURPOSE: The purpose of this retrospective comparative study was to evaluate and compare, radiographically and clinically, progression of osteoarthritis (OA) in the patellofemoral (PF) compartment after open-wedge high tibial osteotomy (OWHTO), and unicompartmental knee arthroplasty (UKA) over a minimum follow-up of 5 years. METHODS: In this study, 42 knees in an OWHTO group were compared with 59 knees in a UKA group in terms of radiographic parameters, such as the grading system for OA progression in the PF compartment, and clinical parameters, such as the PF pain and function scores over a minimum follow-up of 5 years. RESULTS: There was no significant difference of OA progression in the PF compartment between the two groups on knee radiography. Compared with the preoperative grades, the UKA group showed significant progression of OA in the medial PF compartment at the final follow-up, whereas the medial PF compartment showed significant stepwise progression by only one grade when compared to the OWHTO group. The PF pain and function scores showed no statistical differences between the two groups at the final follow-up, regardless of OA progression. CONCLUSIONS: There was no significant difference between OWHTO and UKA in terms of progression of OA in the PF compartment or deterioration of PF function score over a minimum follow-up of 5 years. However, the medial PF compartment of the UKA group was minimal, and worsened or progressed by only one grade. LEVEL OF EVIDENCE: III.
PURPOSE: The purpose of this retrospective comparative study was to evaluate and compare, radiographically and clinically, progression of osteoarthritis (OA) in the patellofemoral (PF) compartment after open-wedge high tibial osteotomy (OWHTO), and unicompartmental knee arthroplasty (UKA) over a minimum follow-up of 5 years. METHODS: In this study, 42 knees in an OWHTO group were compared with 59 knees in a UKA group in terms of radiographic parameters, such as the grading system for OA progression in the PF compartment, and clinical parameters, such as the PF pain and function scores over a minimum follow-up of 5 years. RESULTS: There was no significant difference of OA progression in the PF compartment between the two groups on knee radiography. Compared with the preoperative grades, the UKA group showed significant progression of OA in the medial PF compartment at the final follow-up, whereas the medial PF compartment showed significant stepwise progression by only one grade when compared to the OWHTO group. The PF pain and function scores showed no statistical differences between the two groups at the final follow-up, regardless of OA progression. CONCLUSIONS: There was no significant difference between OWHTO and UKA in terms of progression of OA in the PF compartment or deterioration of PF function score over a minimum follow-up of 5 years. However, the medial PF compartment of the UKA group was minimal, and worsened or progressed by only one grade. LEVEL OF EVIDENCE: III.
Entities:
Keywords:
High tibial osteotomy; Patellofemoral osteoarthritis; Unicompartmental knee arthroplasty
Authors: Gunter Spahn; Gunther O Hofmann; Lars Victor von Engelhardt; Mengxia Li; Henning Neubauer; Hans Michael Klinger Journal: Knee Surg Sports Traumatol Arthrosc Date: 2011-11-11 Impact factor: 4.342
Authors: Shaw Akizuki; John K P Mueller; Hiroshi Horiuchi; Daigo Matsunaga; Atsuyuki Shibakawa; Richard D Komistek Journal: J Arthroplasty Date: 2008-08-12 Impact factor: 4.757
Authors: Filippo Migliorini; Arne Driessen; Francesco Oliva; Gayle D Maffulli; Markus Tingart; Nicola Maffulli Journal: J Orthop Surg Res Date: 2020-11-19 Impact factor: 2.359