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Wei H, Xianyue S, Ze X, Linlin Z, Zheng L, Chen Z. Unicompartmental knee arthroplasty for lateral compartment knee osteoarthritis: a credible surgical approach and short-term clinical outcomes. INTERNATIONAL ORTHOPAEDICS 2024; 48:2653-2660. [PMID: 39227516 DOI: 10.1007/s00264-024-06303-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2024] [Accepted: 08/27/2024] [Indexed: 09/05/2024]
Abstract
PURPOSE We aimed to investigate the technical advantages and clinical outcomes of lateral unicompartmental knee arthroplasty (LUKA) through the medial parapatellar approach. METHODS From August 2022 to June 2024, 104 patients who underwent LUKA via the medial parapatellar approach were enrolled. The operation time, hospital stays, surgical complications and follow-up period were collected. Pre- and postoperative Range of movement (ROM), Oxford knee score (OKS) and Hospital for special surgery knee score (HSS) were recorded and further investigated by paired-samples t-test analysis. RESULTS Primary demographic data of the retrospective case series collected include gender (30 males and 74 females), age (63.1 ± 8.37 years, range 49-84 years), operation time (86 ± 17 min, range 52-135 min), hospital stays (4.0 ± 1.1 days, range 3-8 days) and follow-up period (9.9 ± 5.7 months, range 1-23 months). There was a significant improvement in ROM (P < 0.001), OKS (P < 0.001) and HSS (P < 0.001) compared to preoperative values. Patient satisfaction at 1-month postoperative follow-up was up to 95%. The incidence of deep venous thrombosis was 16.3%. There was no incidence of postoperative infection. CONCLUSION The medial parapatellar approach is a understandable, easy to master and credible surgical approach for LUKA, showing a striking improvement in clinical outcomes without adverse events in the short-term follow-up.
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Affiliation(s)
- Huang Wei
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, People's Republic of China
| | - Shen Xianyue
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, People's Republic of China
| | - Xu Ze
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, People's Republic of China
| | - Zhang Linlin
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, People's Republic of China
| | - Li Zheng
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, People's Republic of China
| | - Zhu Chen
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, People's Republic of China.
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Nakano N, Tsubosaka M, Kamenaga T, Kuroda Y, Ishida K, Hayashi S, Kuroda R, Matsumoto T. Predicting postoperative coronal alignment after fixed-bearing unicompartmental knee arthroplasty using a new morphological assessment method: the arithmetic hip-knee-ankle angle. INTERNATIONAL ORTHOPAEDICS 2024; 48:889-897. [PMID: 38150005 PMCID: PMC10933208 DOI: 10.1007/s00264-023-06072-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 12/10/2023] [Indexed: 12/28/2023]
Abstract
PURPOSE Only a few reports have been published so far on factors that predict postoperative coronal alignment after unicompartmental knee arthroplasty (UKA). The purpose of this study is to clarify the relationship between the arithmetic hip-knee-ankle angle (aHKA) and postoperative coronal alignment after medial fixed-bearing UKA. METHODS One hundred and one consecutive patients (125 knees) who underwent medial fixed-bearing UKA were assessed. Pre- and postoperative coronal HKA angles, lateral distal femoral angle (LDFA), medial proximal tibial angle (MPTA), and the thickness of the tibial and femoral bone cut were measured. aHKA was calculated as 180° - LDFA + MPTA. Correlations between postoperative HKA angle and aHKA, LDFA, and MPTA were investigated by single regression analysis. After the patients were divided into three groups according to the postoperative HKA angle, i.e., HKA angle > 180°, 175° < HKA angle ≤ 180°, and HKA angle ≤ 175°, aHKA, LDFA, MPTA, preoperative HKA angle, and the thickness of the distal femoral as well as tibial bone cut were compared among the three groups. RESULTS aHKA and MPTA were positively correlated with postoperative HKA angle, while no correlation was found between postoperative HKA angle and LDFA. Among the three groups classified by postoperative HKA angle, significant differences were found in aHKA, MPTA, and preoperative HKA angle, while no significant difference was found in LDFA and the amount of distal femoral and tibial osteotomies. CONCLUSIONS aHKA was correlated with postoperative HKA angle after medial fixed-bearing UKA, which was probably due to the influence of MPTA.
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Affiliation(s)
- Naoki Nakano
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan.
| | - Masanori Tsubosaka
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
| | - Tomoyuki Kamenaga
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
| | - Yuichi Kuroda
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
| | - Kazunari Ishida
- Department of Orthopaedic Surgery, Kobe Kaisei Hospital, 3-11-15, Shinoharakita-Machi, Nada-Ku, Kobe, Hyogo, 657-0068, Japan
| | - Shinya Hayashi
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
| | - Ryosuke Kuroda
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
| | - Tomoyuki Matsumoto
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho, Chuo-Ku, Kobe, Hyogo, 650-0017, Japan
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Andronic O, Suravaram V, Lu V, Wall SJ, Bucher TA, Prosser GH, Yates PJ, Jones CW. What are the Outcomes of Secondary Patella Resurfacing for Dissatisfaction Following Primary Knee Arthroplasty? A Systematic Review and Meta-Analysis of 604 Knees. J Arthroplasty 2024; 39:1093-1107.e1. [PMID: 37871862 DOI: 10.1016/j.arth.2023.10.027] [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: 08/03/2023] [Revised: 10/07/2023] [Accepted: 10/14/2023] [Indexed: 10/25/2023] Open
Abstract
BACKGROUND Secondary patella resurfacing is often performed for dissatisfaction following primary knee arthroplasty where the native patella was retained. The purpose of this meta-analysis was to evaluate outcomes of secondary patella resurfacing. METHODS The systematic review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Studies reporting on patients who underwent secondary patella resurfacing after previous primary knee arthroplasty with retention of the native patella were considered eligible. The risk of bias was assessed using the Methodological Index for Non-Randomized studies tool. A random-effects model and the inverse-variance weighting method was used for meta-analysis. There were sixteen retrospective studies including 604 knees (594 patients) with a mean follow up of 42 months (range, 2 to 197). RESULTS An overall improvement in patient-reported outcomes (PROMs) was achieved in 53% of cases from pooled data available for 293 knees [95% Confidence Interval (CI) (0.44, 0.62), I2=68% - moderate heterogeneity]. The pooled proportion of patients satisfied with the procedure was 59% [95% CI (48, 68), I2 = 70% - moderate heterogeneity] in a sample size of 415. There was a minimal rate (2%) of complication incidence when performing secondary patella resurfacing and a pooled rate of revision surgery of 10%. CONCLUSIONS An improvement in pain, satisfaction, and PROMs was achieved in slightly more than half of the patients following secondary patella resurfacing. However, studies lacked standardized objective selection criteria for the procedure and the available data was predominantly retrospective, with high heterogeneity and variation in outcome reporting.
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Affiliation(s)
- Octavian Andronic
- The Orthopaedic Research Foundation of Western Australia (ORFWA), Perth, Australia; Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - Vishwa Suravaram
- Faculty of Medicine, Dentistry and Health Sciences, The University of Western Australia, Perth, Australia
| | - Victor Lu
- School of Clinical Medicine, University of Cambridge, Cambridge, United Kingdom
| | - Simon J Wall
- The Orthopaedic Research Foundation of Western Australia (ORFWA), Perth, Australia
| | - Thomas A Bucher
- The Orthopaedic Research Foundation of Western Australia (ORFWA), Perth, Australia
| | - Gareth H Prosser
- The Orthopaedic Research Foundation of Western Australia (ORFWA), Perth, Australia
| | - Piers J Yates
- The Orthopaedic Research Foundation of Western Australia (ORFWA), Perth, Australia
| | - Christopher W Jones
- The Orthopaedic Research Foundation of Western Australia (ORFWA), Perth, Australia; Curtin University, Perth, Australia
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Ge J, Hernigou P, Guo W, Zhang N, Liu C, Zhang Q. Minimally invasive small incision surgical technique for unicompartmental knee arthroplasty. INTERNATIONAL ORTHOPAEDICS 2023; 47:2717-2725. [PMID: 37542540 DOI: 10.1007/s00264-023-05908-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 07/20/2023] [Indexed: 08/07/2023]
Abstract
PURPOSE It is always a challenge for orthopaedic surgeons to minimise surgical incisions while ensuring excellent surgical results. We propose the minimally invasive small incision (MISI) technique and an extramedullary positioning technique in the unicompartmental knee arthroplasty (UKA) surgery. This study aimed to clarify the early postoperative clinical outcomes and component alignment between MISI and conventional minimally invasive surgical (MIS) techniques. METHODS We prospectively enrolled 60 patients who underwent MISI-UKA and 60 patients who underwent MIS-UKA as controls. Clinical parameters include the time of straight leg raising, postoperative walking time with walker assistance, hospital stay, Numerical Rating Scale (NRS) pain score and Knee Society Score (KSS). The postoperative components and lower extremity alignment were compared between the two groups with radiographic image measurement. RESULTS The MISI group obtained a smaller incision during knee extension (P < 0.001) but a longer tourniquet usage time than the MIS group. The MISI group lost less blood (P < 0.001). The MISI group achieved straight leg raising and walking with aid earlier after surgery, with a shorter hospital stay than the MIS group (P < 0.001). Range of motion (ROM), NRS and KSS scores revealed no significant difference between the two groups in six months postoperative follow-up (P > 0.05). Radiographic measurement results between the two groups revealed no statistical difference (P > 0.05) CONCLUSION: The MISI-UKA could achieve faster earlier recovery after surgery and shorter hospital stays without compromising the principles of proper prosthesis position and limb alignment compared with the conventional MIS-UKA.
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Affiliation(s)
- Juncheng Ge
- Department of Orthopaedic Surgery, Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China
- Department of Orthopaedic Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Philippe Hernigou
- Department of Orthopaedic Surgery, University Paris East (UPEC), Hôpital Henri Mondor, Creteil, France.
| | - Wanshou Guo
- Department of Orthopaedic Surgery, Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China.
- Department of Orthopaedic Surgery, China-Japan Friendship Hospital, Beijing, China.
| | - Nianfei Zhang
- Department of Orthopaedic Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Changquan Liu
- Department of Orthopaedic Surgery, China-Japan Friendship Hospital, Beijing, China
- China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Qidong Zhang
- Department of Orthopaedic Surgery, China-Japan Friendship Hospital, Beijing, China
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Hernigou P, Karam S, Zhang N, Guo W, Ge J, Liu C, Zhang Q, Hernigou J. Lateral meniscus with tears or with histologic calcification does not increase the risk of lateral osteoarthritis after medial unicompartmental arthroplasty. INTERNATIONAL ORTHOPAEDICS 2023; 47:2477-2485. [PMID: 37500969 DOI: 10.1007/s00264-023-05907-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Accepted: 07/19/2023] [Indexed: 07/29/2023]
Abstract
PURPOSE Meniscal tears or histological meniscal calcifications (in the absence of radiological chondrocalcinosis) are frequent in osteoarthritis. Whether lateral meniscal lesions influence clinical outcomes after medial unicompartmental knee arthroplasty (UKA) is unknown. METHODS We analyzed 130 patients (130 knees) with medial unicompartmental knee arthroplasties between 2005 and 2015. These 130 knees had full articular cartilage thickness in the lateral compartment and no radiological chondrocalcinosis on preoperative radiographs. The lateral meniscus was analyzed with preoperative MRI and a biopsy of the anterior horn at the time of surgery. Synovial fluid was collected and analyzed for calcium pyrophosphate dihydrate crystal deposition (CPPD crystals). Lateral meniscal tears were untreated when detected on MRI or during surgery, with the hypothesis that these tears on the opposite compartment would remain asymptomatic in medial UKA. At average 10-year follow-up, patients were evaluated with clinical and radiographic outcome, with a focus on the risk of joint space narrowing of the lateral femorotibial compartment. RESULTS CPPD crystals were present in the synovial fluid of 70 knees. Lateral meniscal tears were seen on MRI in 34 (49%) normal meniscuses of the 60 knees without CPPD crystals and in six other knees without histological meniscal calcification despite CPPD crystals. Histological calcification was present on 61 lateral meniscuses with 53 meniscal tears. The results showed no significant differences in the clinical outcomes between knees with lateral meniscal tears or lateral meniscal histological chondrocalcinosis or both lesions and those without these conditions. Additionally, radiographic progression of osteoarthritis in the opposite femorotibial compartment of the knee was not more frequent in patients with these meniscal issues. The ten year cumulative survival rates, measured by the need for total knee arthroplasty, were 91% for knees without meniscal lesions and 92% for knees with these lesions. CONCLUSION On this basis, treatment of meniscal tears of the lateral compartment and routine aspiration of the knee to assess for birefringent crystals in the planning of medial UKA do not appear necessary.
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MESH Headings
- Humans
- Menisci, Tibial/diagnostic imaging
- Menisci, Tibial/surgery
- Menisci, Tibial/pathology
- Chondrocalcinosis/complications
- Chondrocalcinosis/diagnostic imaging
- Chondrocalcinosis/surgery
- Knee Joint/diagnostic imaging
- Knee Joint/surgery
- Knee Joint/pathology
- Arthroplasty, Replacement, Knee/adverse effects
- Arthroplasty, Replacement, Knee/methods
- Osteoarthritis, Knee/diagnostic imaging
- Osteoarthritis, Knee/surgery
- Osteoarthritis, Knee/pathology
- Knee Injuries/surgery
- Cartilage Diseases/surgery
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Affiliation(s)
- Philippe Hernigou
- Department of Orthopaedic Surgery, University Paris East (UPEC), Créteil, France.
| | - Sami Karam
- Department of Orthopaedic Surgery, University Paris East (UPEC), Créteil, France
| | - Nianfei Zhang
- Department of Orthopaedic Surgery, Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China
- Department of Orthopaedic Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Wanshou Guo
- Department of Orthopaedic Surgery, Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China
- Department of Orthopaedic Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Juncheng Ge
- Department of Orthopaedic Surgery, Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China
- Department of Orthopaedic Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Changquan Liu
- Department of Orthopaedic Surgery, China-Japan Friendship Hospital, Beijing, China
- China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Qidong Zhang
- Department of Orthopaedic Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Jacques Hernigou
- Department of Orthopedic Surgery, EpiCURA Hospital, 7331, Baudour, Belgium
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