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Chen R, Yu C, Peng H, Chen J, Zhang Y, Yu T. Osteotomy Correction Angle Cut-off Points Can Guide the Operation to Prevent a Significant Decrease in Patella Height. Orthop Surg 2024; 16:628-636. [PMID: 38326241 PMCID: PMC10925517 DOI: 10.1111/os.14000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 11/25/2023] [Accepted: 12/22/2023] [Indexed: 02/09/2024] Open
Abstract
OBJECTIVE Patients who undergo a biplanar ascending medial open-wedge high tibial osteotomy with an excessive correction angle might experience patella infera and even knee pain after surgery. The purpose of this study was to identify the cut-off points for the degree of knee varus correction of open-wedge high tibial osteotomy, which is related to the symptomatic patellar position change. METHODS This retrospective study included 124 patients (mean age 61.69 ± 6.28 years; 78 women, 46 men) with varying degrees of varus knee osteoarthritis. All patients had undergone standard biplanar medial open-wedge high tibial osteotomy. They were divided into nine groups according to the change in hip-knee-ankle angle. Plain radiographs and three-dimensional CT images were obtained preoperatively and 18 months postoperatively. Patellar height was assessed using the Caton-Deschamps index, the Insall-Salvati index, and the Blackburne-Peel index. The patellofemoral index and patellar tilt were used to evaluate the degree of horizontal displacement of the patella. The varus correction, medial-proximal tibial angles, joint line convergence angles, and hip-knee-ankle angles were also measured. The subjective score was evaluated using the Western Ontario and McMaster Universities osteoarthritis index (WOMAC). RESULTS There were significant changes in patella indexes in each group after surgery, among which there was no significant difference in patellar height changes for Groups A to F (p > 0.05), which were significantly lower than those in Group G, H, and I (p < 0.001). The patellar tilt and patellofemoral index also followed the same trend. The improvement in WOMAC scores for Groups G, H, and I was also significantly less for Groups A to F (p < 0.001). CONCLUSION The patellar height, patellar tilt, and patellofemoral index all changed significantly in parallel with increasing degrees of osteotomy correction. The cut-off points for correction angle are 12.5° to 13.4°. When the correction angle is larger than this range, the patellar position can be significantly affected. Postoperative patellofemoral joint pain may be related to the changes in patella position.
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Affiliation(s)
- Renjie Chen
- Department of Sports MedicineAffiliated Hospital of Qingdao UniversityQingdaoChina
- Department of Clinical MedicineQingdao UniversityQingdaoChina
- Institute of Sports Medicine and Health, Qingdao UniversityQingdaoChina
- Department of Sports MedicineBeijing Jishuitan Hospital, Capital Medical UniversityBeijingChina
| | - Chenghao Yu
- Department of Sports MedicineAffiliated Hospital of Qingdao UniversityQingdaoChina
- Department of Clinical MedicineQingdao UniversityQingdaoChina
- Institute of Sports Medicine and Health, Qingdao UniversityQingdaoChina
| | - Haining Peng
- Department of Sports MedicineAffiliated Hospital of Qingdao UniversityQingdaoChina
- Department of Clinical MedicineQingdao UniversityQingdaoChina
- Institute of Sports Medicine and Health, Qingdao UniversityQingdaoChina
| | - Jinli Chen
- Department of Sports MedicineAffiliated Hospital of Qingdao UniversityQingdaoChina
- Institute of Sports Medicine and Health, Qingdao UniversityQingdaoChina
| | - Yi Zhang
- Department of Sports MedicineAffiliated Hospital of Qingdao UniversityQingdaoChina
- Institute of Sports Medicine and Health, Qingdao UniversityQingdaoChina
| | - Tengbo Yu
- Institute of Sports Medicine and Health, Qingdao UniversityQingdaoChina
- Department of Orthopedic SurgeryQingdao Municipal HospitalQingdaoChina
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Goshima K, Sawaguchi T, Horii T, Shigemoto K, Iwai S, Hatsuchi Y. Patellofemoral Osteoarthritis Progression After Open-Wedge High Tibial Osteotomy Does Not Affect the Clinical Outcomes or Survivorship at Minimum 7 Years' Follow-Up. Arthroscopy 2024; 40:93-102. [PMID: 37209776 DOI: 10.1016/j.arthro.2023.05.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 05/02/2023] [Accepted: 05/03/2023] [Indexed: 05/22/2023]
Abstract
PURPOSE To evaluate the clinical and radiologic outcomes of open-wedge high tibial osteotomy (OWHTO) with respect to the patellofemoral joint and to assess the effects of patellofemoral osteoarthritis (OA) progression after OWHTO on clinical outcomes at minimum 7 years' follow-up. METHODS We retrospectively reviewed 95 knees that underwent OWHTO and at least 7 years of follow-up. Clinical parameters including anterior knee pain, Japanese Orthopedic Association score, Oxford Knee Score, Knee Injury and Osteoarthritis Outcome Score, Hospital for Special Surgery patella score, and Knee Injury and Osteoarthritis Outcome Score-patellofemoral subscale were evaluated. Radiologic outcomes were evaluated preoperatively and at final follow-up. Patellofemoral OA progressions were evaluated using Kellgren-Lawrence grade, and we divided the patients into 2 groups (progression group and non-progression group) to evaluate the effect of patellofemoral OA progression after OWHTO on long-term clinical outcomes. RESULTS The mean follow-up period was 10.8 ± 2.6 years (range: 7.6-17.3 years). The mean Japanese Orthopedic Association score significantly improved (from 64.4 ± 11.6 to 90.9 ± 9.3, P < .001), and the mean Oxford Knee Score at final follow-up was 40.4 ± 8.3. Due to medial OA progression, 5 cases were converted to total knee arthroplasty, and the survival rate was 94.7% at 10.8 years of follow-up. Radiologically, patellofemoral OA progression was observed at final follow-up in 48 knees (50.5%). However, there were no significant differences in all clinical outcomes at final follow-up between the progression and non-progression groups. CONCLUSIONS Patellofemoral OA progression may progress over long-term follow-up after OWHTO. Related symptoms are minimal and this does not affect the clinical outcomes or survivorships at minimum 7 years follow-up. LEVEL OF EVIDENCE Level IV, therapeutic case series.
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Affiliation(s)
- Kenichi Goshima
- Department of Orthopedic Surgery and Joint Reconstructive Surgery, Toyama Municipal Hospital, Toyama, Japan; Department of Orthopedic Surgery and Joint Reconstructive Surgery, Kanazawa Munehiro Hospital, Ishikawa, Japan.
| | - Takeshi Sawaguchi
- Department of Traumatology, Fukushima Medical University, Fukushima, Japan; Trauma Reconstruction Center, Shinyurigaoka General Hospital, Kawasaki, Japan
| | - Takeshi Horii
- Department of Orthopedic Surgery and Joint Reconstructive Surgery, Toyama Municipal Hospital, Toyama, Japan
| | - Kenji Shigemoto
- Department of Orthopedic Surgery and Joint Reconstructive Surgery, Toyama Municipal Hospital, Toyama, Japan
| | - Shintaro Iwai
- Department of Orthopedic Surgery and Joint Reconstructive Surgery, Toyama Municipal Hospital, Toyama, Japan
| | - Yu Hatsuchi
- Department of Orthopedic Surgery and Joint Reconstructive Surgery, Toyama Municipal Hospital, Toyama, Japan
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Li K, Sun F, Guo H, Shi Z, Wang H, Yao R. Comparison of clinical, imaging and second-look arthroscopic outcomes between varus knee patients with and without preoperative tibial varus deformity after medial opening-wedge high tibial osteotomy. Knee 2024; 46:117-127. [PMID: 38071924 DOI: 10.1016/j.knee.2023.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 10/06/2023] [Accepted: 11/13/2023] [Indexed: 02/20/2024]
Abstract
PURPOSE This study aimed to compare the regeneration status of articular cartilage, clinical, and radiologic outcomes between varus knee patients with and without preoperative tibial varus deformity (PTVD) after medial opening-wedge high tibial osteotomy (OWHTO) METHODS: Varus knee patients who had undergone OWHTO were divided into two groups according to preoperative medial proximal tibial angle (MPTA): a great varus (GV) group (MPTA <85°) and a mild varus (MV) group (85°≤preoperative MPTA <87°). The hip-knee-ankle (HKA) angle, weight-bearing line ratio (WBL%), MPTA, joint line convergence angle and joint line obliquity were measured. Second-look arthroscopy was undertaken 24 months after HTO. The Knee Society (KS) function score and knee score, and Lysholm score were used to evaluate the functional outcomes. All parameters were evaluated preoperatively and 24 months after HTO. RESULTS The GV group had greater varus than the MV group in HKA and WBL% before surgery, but greater valgus after surgery. The arthroscopic probe before HTO revealed the advanced chondral damage in the GV group and lighter chondral damage in the MV group. The regeneration of medial femoral condyle was considerably more frequent in the GV group (72.5%, 45/62) than in the MV group (50.0%, 27/54) (P = 0.030). No significant differences were observed in all functional outcomes preoperatively and 24 months after HTO. CONCLUSION The extent of cartilage regeneration in patients without PTVD was inferior to that in those with PTVD, but the functional outcomes were comparable. OWHTO may be a treatment option in a selected subset of varus knee patients without PTVD.
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Affiliation(s)
- Ke Li
- Second Department of Orthopaedics, Capital Medical University Affiliated Beijing Rehabilitation Hospital, Beijing, People's Republic of China
| | - Fenglong Sun
- Second Department of Orthopaedics, Capital Medical University Affiliated Beijing Rehabilitation Hospital, Beijing, People's Republic of China.
| | - Hengbing Guo
- Second Department of Orthopaedics, Capital Medical University Affiliated Beijing Rehabilitation Hospital, Beijing, People's Republic of China
| | - Zhanjun Shi
- Department of Orthopaedic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People's Republic of China
| | - Hongqing Wang
- Second Department of Orthopaedics, Capital Medical University Affiliated Beijing Rehabilitation Hospital, Beijing, People's Republic of China
| | - Ran Yao
- Second Department of Orthopaedics, Capital Medical University Affiliated Beijing Rehabilitation Hospital, Beijing, People's Republic of China
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Mabrouk A, Ollivier M, Fayard JM, Batailler C, Bouguennec N, Tardy N, Rochcongar G. High tibial osteotomy is equally effective for varus malaligned knees with either virgin or wrecked medial meniscus: An age and gender-matched secondary analysis of a Francophone Arthroscopy Society Symposium. Orthop Traumatol Surg Res 2023; 109:103650. [PMID: 37364820 DOI: 10.1016/j.otsr.2023.103650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Revised: 05/23/2023] [Accepted: 05/31/2023] [Indexed: 06/28/2023]
Abstract
INTRODUCTION Despite the growing concept of meniscal preservation, partial meniscectomy could be the definitive procedure in specific scenarios. And total meniscectomy was once before a frequent procedure, with current sequelae of degenerate knees. High tibial osteotomy (HTO) is an effective treatment for patients suffering from unicompartmental degenerative changes, and substantial deformities. However, it is yet to be answered, whether HTO is similarly effective in both post-meniscectomy knees and knees with not previously operated meniscus. HYPOTHESIS Outcomes of HTO is similar with or without previous history of total or subtotal meniscectomy. METHODS This study compared the clinical and radiological outcomes of 41 patients who received HTO and had no previous history of surgery in the ipsilateral knee (group I), and 41 age, and gender-matched patients who had meniscectomy surgery in the ipsilateral knee (group II). Preoperatively and postoperatively, all patients were clinically evaluated; the visual analogue scale scores, Tegner activity score, and the Western Ontario and Macmaster University scores were reported. Radiographically, osteoarthritis grade and pre- and postoperative parameters were reported, including hip-knee-ankle angle, femoral mechanical angle, medial proximal tibial angle, joint line convergence angle, proximal posterior tibial angle, and limb length discrepancy. Perioperative details and complications were reported. RESULTS A total of 82 patients were included; group I (n=41) and group II (n=41). The mean age was 51.18±8.64 (27-68) and 90.24% were male. The duration since the onset of symptoms was longer in group II vs. group I, 43.34±41.03 versus 38.07±36.11months respectively. No significant differences in the clinical evaluation between the two groups with a greater proportion of patients demonstrating moderate degenerative changes. Similar preoperative and postoperative radiographic parameters were reported, in group I, Δ HKA was 7.19±4.14 versus 7.65±3.16 in group II. Preoperative pain VAS scores were slightly higher in group II vs. group I, 79.23±26.35 vs. 76.31±24.45, respectively. However, postoperatively, the pain scores significantly improved in group I vs. group II, 22.84±3.65 vs. 41.69±17.33, respectively. Tegner activity scores and WOMAC scores were comparable between both groups preoperatively and postoperatively. Only the WOMAC function scores were better in group I when compared to group II, 26.13±25.84 versus 20.01±17.98. All patients returned to work at an average of 0.82±0.38months. CONCLUSION Knee preservation with high tibial osteotomy is equally effective in managing unicompartmental degenerative changes in varus malaligned knees with either no previous history of meniscal surgeries or where a meniscal sacrifice was inevitable, either with subtotal or total meniscectomy. LEVEL OF EVIDENCE III, retrospective case-control study.
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Affiliation(s)
- Ahmed Mabrouk
- Leeds Teaching Hospitals, Department of trauma and Orthopaedics, Leeds, United Kingdom; Aix-Marseille University, AP-HM, CNRS, ISM, Sainte-Marguerite Hospital, Institute for Locomotion, Marseille, France
| | - Matthieu Ollivier
- Aix-Marseille University, AP-HM, CNRS, ISM, Sainte-Marguerite Hospital, Institute for Locomotion, Marseille, France.
| | | | - Cécile Batailler
- Department of Orthopaedic Surgery, Croix-Rousse Hospital, Lyon University Hospital, Lyon, France
| | | | - Nicolas Tardy
- Centre Ostéo-Articulaire Des Cèdres, Clinique Des Cèdres, 5, rue des Tropiques, 38130 Échirolles, France
| | - Goulven Rochcongar
- Orthopaedics and Traumatology Department, Normandie University, UNICAEN, CHU de Caen Normandie, 14000 Caen, France
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Jeong HW, Song YS, Kim JS, Nam HS, Lee WW, Lee YS. Serial Quantitative Assessment of Load Redistribution After Medial Open-Wedge High Tibial Osteotomy. Orthop J Sports Med 2023; 11:23259671231156188. [PMID: 37113138 PMCID: PMC10126614 DOI: 10.1177/23259671231156188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 12/13/2022] [Indexed: 04/29/2023] Open
Abstract
Background The maximum standardized uptake value (SUVmax), as determined on combined single-photon emission computed tomography and conventional computed tomography (SPECT/CT), can be an indicator of biomechanical changes due to the load redistribution effect after medial open-wedge high tibial osteotomy (MOW-HTO). Purpose/Hypothesis The purposes of this study were to (1) analyze serial changes in the SUVmax in the medial, lateral, and patellofemoral compartments after MOW-HTO and (2) identify the contributing factors that affect changes in the SUVmax. The hypotheses were that (1) an elevated SUVmax in the medial compartment would be transferred to the lateral compartment because of the load redistribution effect and (2) there would be contributing factors that cause SUVmax changes. Study Design Case series; Level of evidence, 4. Methods Included were 67 knees that were treated with biplanar MOW-HTO between March 2019 and December 2020. SPECT/CT was performed immediately after surgery and at 3 months and 1 year postoperatively to determine the serial load redistribution effect of MOW-HTO. The Pearson correlation coefficient was used to evaluate the relationship between SUVmax and radiological parameters, and subgroup analyses were conducted to compare the SUVmax according to associated cartilage procedures and the weightbearing line ratio (WBLR). Results The SUVmax in the medial and lateral compartments increased at 3 months but decreased at 1 year postoperatively. The load redistribution effect was most prominent in the anterior zones of the femur (medial: P = .041; lateral: P = .012). In the patella, the SUVmax decreased in both the medial and the lateral zones at all follow-up times (P < .001 for all). The SUVmax in the anterolateral and posterolateral articular zones of the femur increased with a greater preoperative WBLR (r = 0.256, P = .039; and r = 0.261, P = .036, respectively). Patients who underwent an associated cartilage procedure had a significantly higher SUVmax in the anteromedial and posteromedial articular zones of both the femur and the tibia at 1 year postoperatively (P ≤ .002 for all). Conclusion After MOW-HTO, the unloading effect in the anteromedial articular zone of the femur was the most significant. A greater SUVmax in the lateral zones of the femur was observed in cases of overcorrection. The SUVmax in the medial zones was higher postoperatively in patients with associated cartilage procedures.
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Affiliation(s)
- Ho Won Jeong
- Department of Orthopaedic Surgery,
Seoul National University Bundang Hospital, Seoul National University College of
Medicine, Seongnam, Republic of Korea
| | - Yoo Sung Song
- Department of Nuclear Medicine, Seoul
National University Bundang Hospital, Seoul National University College of Medicine,
Seongnam, Republic of Korea
| | - Joo Sung Kim
- Department of Orthopaedic Surgery,
Seoul National University Bundang Hospital, Seoul National University College of
Medicine, Seongnam, Republic of Korea
| | - Hee Seung Nam
- Department of Orthopaedic Surgery,
Seoul National University Bundang Hospital, Seoul National University College of
Medicine, Seongnam, Republic of Korea
| | - Won Woo Lee
- Department of Nuclear Medicine, Seoul
National University Bundang Hospital, Seoul National University College of Medicine,
Seongnam, Republic of Korea
| | - Yong Seuk Lee
- Department of Orthopaedic Surgery,
Seoul National University Bundang Hospital, Seoul National University College of
Medicine, Seongnam, Republic of Korea
- Yong Seuk Lee, MD, PhD,
Department of Orthopaedic Surgery, Seoul National University Bundang Hospital,
Seoul National University College of Medicine, 82, Gumi-ro 173beon-gil,
Bundang-gu, Seongnam-si, Gyeonggi-do, Republic of Korea (
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Patellar height is not modified after isolated open-wedge high tibial osteotomy without change in posterior tibial slope. Orthop Traumatol Surg Res 2021; 107:103032. [PMID: 34358712 DOI: 10.1016/j.otsr.2021.103032] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 04/07/2021] [Accepted: 04/15/2021] [Indexed: 02/03/2023]
Abstract
INTRODUCTION Open-wedge high tibial osteotomy (OWHTO) corrects coronal deformity and can impact sagittal parameters such as posterior tibial slope and patellar height. The aim of the present study was to analyze change in patellar height after medial OWHTO with respect to tibial and femoral-referenced indices. MATERIAL AND METHOD This single-center retrospective study included 129 patients undergoing isolated posteromedial OWHTO, without change in tibial slope, using patient-specific cutting-guides. Patellar height was assessed on Caton-Deschamps (CD), Insall-Salvati (IS) and Schröter indices. Posterior tibial slope and coronal femoral and tibial angles were also measured. X-rays were taken preoperatively and at 12 months, and analyzed by 2 independent observers. RESULTS OWHTO modified the global lower-limb alignment (Δ=6.3±0.95̊, p<0.0001) and the proximal tibial deformity (Δ=7±0.88̊, p<0.0001). Posterior tibial slope and tibial (CD and IS) and femoral (Schröter) patellar height indices were unchanged. Intra- and inter-observer reproducibility was excellent (ICC 0.79-0.91). There were no correlations between HKA or MPTA angles and change in patellar height. CONCLUSION The present clinical series showed that patellar height was unchanged by isolated posteromedial OWHTO without change in tibial slope, using patient-specific cutting-guides, with whichever femoral or tibial reference index. The Schröter patellar femoral height index was highly reliable and is independent of proximal tibial changes in assessing patellar height, and can thus be recommended in the follow-up of OWHTO. LEVEL OF EVIDENCE III; retrospective cohort study.
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