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Pacheco-Garcia LM, Martín-Domínguez LA, Perelli S, Monllau JC, Simón-Sánchez FJ, Gutiérrez-de la O J, Messa LAM, Espregueira-Mendes J, Martínez-Guajardo KV, Morales-Avalos R. Combination of the medial patellofemoral ligament reconstruction with the quasi-anatomic technique, tibial tuberosity osteotomy, lateral retinaculum release and mosaicplasty produces satisfactory results for patients with patello-femoral instability. 2-Year follow-up. Knee 2024; 51:44-57. [PMID: 39236637 DOI: 10.1016/j.knee.2024.08.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 06/21/2024] [Accepted: 08/09/2024] [Indexed: 09/07/2024]
Abstract
INTRODUCTION This study aimed to evaluate the effectiveness and safety of a combined surgical approach for treating complex patellofemoral instability. This approach combines four procedures: medial patellofemoral ligament (MPFL) reconstruction with the quasi-anatomic technique, lateral retinaculum release, anteromedialization and distalization of tibial tuberosity and patellar/femoral mosaicplasty. MATERIAL AND METHODS Between August and November 2021, we enrolled 27 patients in the study (21 females, 6 males, average age 28.6 years). All with patella alta, recurrent patellar instability, severe cartilage focal damage, and increased tibial tubercle-trochlear groove distance. All underwent the combined procedure during this period. We assessed their pain and functional scores before surgery and at 6, 12, and 24 months after surgery using standardized scoring systems. RESULTS Patients initially reported significant pain and functional limitations. However, at 24 months, their pain scores significantly reduced, averaging 1.5 compared to 8.2 pre-surgery. Similarly, their functional scores substantially improved, with Lysholm, Tegner, Kujala, BPII scores reaching 87.44, 8.44, 90.03, 86.07 compared to 56.4, 3.7, 42.48, 23 pre-surgery, respectively. Importantly, no cases of recurrent instability occurred, and 96.3% of patients reported complete satisfaction. CONCLUSIONS This combined surgical approach has a high rate of success for patients with patella alta, recurrent lateral patellar instability, severe focal chondral lesions, and increased TT-TG distance. Moreover, 26 out of 27 patients (96.3%) reported total satisfaction. Therefore, we conclude that although this procedure combination is not simple, it is a safe, reproducible, and alleviates pain at 24 months postoperatively, and significantly improves functional scores.
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Affiliation(s)
- Luis Miguel Pacheco-Garcia
- Laboratory of Biomechanics, Articular Physiology and Experimental Orthopedic Surgery, Department of Physiology, School of Medicine, Universidad Autónoma de Nuevo León, Monterrey, Mexico
| | - Lidia A Martín-Domínguez
- Departamento de Cirugia, Facultad de Medicina, Universitat Autònoma de Barcelona, Barcelona, Spain; ICATKnee, ICATME, Hospital Universitari Dexeus, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Simone Perelli
- ICATKnee, ICATME, Hospital Universitari Dexeus, Universitat Autònoma de Barcelona, Barcelona, Spain; Department of Orthopedic Surgery and Traumatology, Hospital del Mar, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Juan Carlos Monllau
- ICATKnee, ICATME, Hospital Universitari Dexeus, Universitat Autònoma de Barcelona, Barcelona, Spain; Department of Orthopedic Surgery and Traumatology, Hospital del Mar, Universitat Autònoma de Barcelona, Barcelona, Spain
| | | | - Jorge Gutiérrez-de la O
- Department of Traumatology, Medical Services of the Universidad Autónoma de Nuevo León, Monterrey, Mexico; Department of Human Anatomy, School of Medicine, Universidad Autónoma de Nuevo León, Monterrey, Mexico
| | | | - João Espregueira-Mendes
- FIFA Medical Centre of Excellence, Clínica do Dragão, Espregueira-Mendes Sports Centre, Porto, Portugal; School of Medicine, Minho University, Braga, Portugal
| | - Karla V Martínez-Guajardo
- Laboratory of Biomechanics, Articular Physiology and Experimental Orthopedic Surgery, Department of Physiology, School of Medicine, Universidad Autónoma de Nuevo León, Monterrey, Mexico
| | - Rodolfo Morales-Avalos
- Laboratory of Biomechanics, Articular Physiology and Experimental Orthopedic Surgery, Department of Physiology, School of Medicine, Universidad Autónoma de Nuevo León, Monterrey, Mexico; Department of Traumatology, Medical Services of the Universidad Autónoma de Nuevo León, Monterrey, Mexico.
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Baumann-Jungmann PM, Giesler P, Schneider J, Jung M, Karampinos DC, Weidlich D, Gersing AS, Baumann FA, Imhoff AB, Woertler K, Bamberg F, Holwein C. MR imaging after patellar MACI and MPFL reconstruction: a comparison of isolated versus combined procedures. Skeletal Radiol 2024; 53:1319-1332. [PMID: 38240761 DOI: 10.1007/s00256-024-04582-x] [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: 10/18/2023] [Revised: 01/05/2024] [Accepted: 01/07/2024] [Indexed: 05/15/2024]
Abstract
OBJECTIVE To qualitatively and quantitatively evaluate the 2.5-year MRI outcome after Matrix-associated autologous chondrocyte implantation (MACI) at the patella, reconstruction of the medial patellofemoral ligament (MPFL), and combined procedures. METHODS In 66 consecutive patients (age 22.8 ± 6.4years) with MACI at the patella (n = 16), MPFL reconstruction (MPFL; n = 31), or combined procedures (n = 19) 3T MRI was performed 2.5 years after surgery. For morphological MRI evaluation WORMS and MOCART scores were obtained. In addition quantitative cartilage T2 and T1rho relaxation times were acquired. Several clinical scores were obtained. Statistical analyses included descriptive statistics, Mann-Whitney-U-tests and Pearson correlations. RESULTS WORMS scores at follow-up (FU) were significantly worse after combined procedures (8.7 ± 4.9) than after isolated MACI (4.3 ± 3.6, P = 0.005) and after isolated MPFL reconstruction (5.3 ± 5.7, P = 0.004). Bone marrow edema at the patella in the combined group was the only (non-significantly) worsening WORMS parameter from pre- to postoperatively. MOCART scores were significantly worse in the combined group than in the isolated MACI group (57 ± 3 vs 88 ± 9, P < 0.001). Perfect defect filling was achieved in 26% and 69% of cases in the combined and MACI group, respectively (P = 0.031). Global and patellar T2 values were higher in the combined group (Global T2: 34.0 ± 2.8ms) and MACI group (35.5 ± 3.1ms) as compared to the MPFL group (31.1 ± 3.2ms, P < 0.05). T2 values correlated significantly with clinical scores (P < 0.005). Clinical Cincinnati scores were significantly worse in the combined group (P < 0.05). CONCLUSION After combined surgery with patellar MACI and MPFL reconstruction inferior MRI outcomes were observed than after isolated procedures. Therefore, patients with need for combined surgery may be at particular risk for osteoarthritis.
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Affiliation(s)
- Pia M Baumann-Jungmann
- Department of Diagnostic and Interventional Radiology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetter Strasse 55, 79106, Freiburg, Germany.
- Department of Radiology, Kantonsspital Graubünden, Chur, Switzerland.
| | - Paula Giesler
- Department of Diagnostic and Interventional Radiology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetter Strasse 55, 79106, Freiburg, Germany
| | - Julia Schneider
- Department of Orthopaedic Sports Medicine, Klinikum Rechts Der Isar, Technical University of Munich, Ismaninger Strasse 22, 81675, Munich, Germany
| | - Matthias Jung
- Department of Diagnostic and Interventional Radiology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetter Strasse 55, 79106, Freiburg, Germany
| | - Dimitrios C Karampinos
- Department of Radiology, Klinikum Rechts Der Isar, Technical University of Munich, Ismaninger Strasse 22, 81675, Munich, Germany
| | - Dominik Weidlich
- Department of Radiology, Klinikum Rechts Der Isar, Technical University of Munich, Ismaninger Strasse 22, 81675, Munich, Germany
| | - Alexandra S Gersing
- Department of Radiology, Klinikum Rechts Der Isar, Technical University of Munich, Ismaninger Strasse 22, 81675, Munich, Germany
- Department of Neuroradiology, University Hospital, LMU Munich, Marchioninistrasse 15, 81377, Munich, Germany
| | - Frederic A Baumann
- Department of Vascular Medicine, Hospital of Schiers, Schiers, Switzerland
| | - Andreas B Imhoff
- Department of Orthopaedic Sports Medicine, Klinikum Rechts Der Isar, Technical University of Munich, Ismaninger Strasse 22, 81675, Munich, Germany
| | - Klaus Woertler
- Department of Radiology, Klinikum Rechts Der Isar, Technical University of Munich, Ismaninger Strasse 22, 81675, Munich, Germany
| | - Fabian Bamberg
- Department of Diagnostic and Interventional Radiology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetter Strasse 55, 79106, Freiburg, Germany
| | - Christian Holwein
- Department of Orthopaedic Sports Medicine, Klinikum Rechts Der Isar, Technical University of Munich, Ismaninger Strasse 22, 81675, Munich, Germany
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Wang D, Zhang Z, Cao Y, Song G, Zheng T, Di M, Sun J, Fu Q, Wang X, Zhang H. Recurrent patellar dislocation patients with high-grade J-sign have multiple structural bone abnormalities in the lower limbs. Knee Surg Sports Traumatol Arthrosc 2024; 32:1650-1659. [PMID: 38651601 DOI: 10.1002/ksa.12186] [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: 01/28/2024] [Revised: 03/21/2024] [Accepted: 03/26/2024] [Indexed: 04/25/2024]
Abstract
PURPOSE To explore the relationship between preoperative J-sign grading and structural bone abnormalities in patients with recurrent patellar dislocation (RPD). METHODS A retrospective study was conducted on RPD patients over 5 years. Patients were categorised based on J-sign grade into low (J- and J1+), moderate (J2+) and high groups (J3+). Trochlear dysplasia (TD) and osseous structures (femoral anteversion angle [FAA], knee torsion, tibial tuberosity-trochlear groove [TT-TG] distance, Caton-Deschamps index) were assessed and grouped according to risk factor thresholds. The χ2 test was used to compare composition ratio differences of structural bone abnormalities among the groups. RESULTS A total of 256 patients were included, with 206 (80.5%) females. The distribution of J-sign grade was as follows: 89 knees (34.8%) of low grade, 86 moderate (33.6%) and 81 high (31.6%). Among the five structural bone abnormalities, TD was the most common with a prevalence of 78.5%, followed by increased TT-TG at 47.4%. Excessive tibiofemoral rotation had the lowest occurrence at 28.9%. There were 173 (67.6%) patients who had two or more abnormalities, while 45 (17.6%) had four to five bony abnormalities. Among patients with any bony abnormality, the proportion of high-grade J-sign surpassed 40%. Patients with moderate and high-grade J-sign had more increased FAA and more pronounced patella alta (all p < 0.001). The proportion of excessive knee torsion and TD increased with increasing each J-sign grade, with the more notable tendency in knee torsion (high vs. moderate vs. low-grade: 61% vs. 22% vs 7%, p < 0.001). Furthermore, the higher J-sign grade was also associated with more combined bony abnormalities (p < 0.001). In the high-grade J-sign group, 90.2% of the knees had two or more bony risk factors and 40.7% had four or more, which were significantly higher than the moderate and low-grade J-sign groups (40.7% vs. 11.6% vs. 2.2%, p < 0.001). CONCLUSION In patients with a high-grade J-sign, over 90% of the lower limbs had two or more structural bone risk factors, and more than 40% had four or more. These proportions were significantly higher compared to knees with low-grade and moderate J-sign. In clinical practice, when treating high-grade patellar mal-tracking, it is important to focus on and correct these strongly correlated abnormal bone structures. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
- Daofeng Wang
- Sports Medicine Service, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Zhijun Zhang
- Sports Medicine Service, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Yanwei Cao
- Sports Medicine Service, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Guanyang Song
- Sports Medicine Service, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Tong Zheng
- Sports Medicine Service, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Menglinqian Di
- Sports Medicine Service, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Jianzhong Sun
- Sports Medicine Service, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Qizhen Fu
- Sports Medicine Service, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Xuesong Wang
- Sports Medicine Service, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Hui Zhang
- Sports Medicine Service, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
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Wang D, Zheng T, Cao Y, Zhang Z, Di M, Fu Q, Sun J, Zhang H. Derotational distal femoral osteotomy improves subjective function and patellar tracking after medial patellofemoral ligament reconstruction in recurrent patellar dislocation patients with increased femoral anteversion: A systematic review and meta-analysis. Knee Surg Sports Traumatol Arthrosc 2024; 32:151-166. [PMID: 38226710 DOI: 10.1002/ksa.12021] [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: 09/27/2023] [Revised: 11/13/2023] [Accepted: 11/14/2023] [Indexed: 01/17/2024]
Abstract
PURPOSE The purpose of this study is to systematically review and quantitatively analyse the clinical outcomes of combined derotational distal femoral osteotomy (D-DFO) and medial patellofemoral ligament reconstruction (MPFL-R) in the treatment of recurrent patellar dislocation (RPD) with increased femoral anteversion angle (FAA). METHODS This study was performed in line with PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) and AMSTAR (Assessing the Methodological Quality Of Systematic Reviews) Guidelines. PubMed, Embase, Web of Science and Cochrane Library databases were searched to identify studies reporting clinical outcomes of combined D-DFO and MPFL-R in RPD patients with increased FAA. Data on patient-reported outcome measures, radiological parameters, patellar tracking as revealed by J-sign and complications were extracted based on the inclusion criteria. The Methodological Index for Non-Randomized Study score was used for quality assessment. Review Manager and R statistical software were used to perform the statistical analysis. RESULTS Eleven studies with a total of 569 knees in 553 patients were included. Patients were predominantly female (79%). The weighted mean of FAA decreased from 33.6° to 13.0° (weighted mean difference = 20.59; p < 0.00001) after the combined procedure. Significant improvements (p < 0.00001) were identified in the Lysholm score (weighted mean: 55.5 vs. 80.4), International Knee Documentation Committee (IKDC) score (weighted mean: 52.8 vs. 78.6) and Kujala score (weighted mean: 54.5 vs. 80.6). The incidence of residual J-sign ranged from 14.3% to 38.3% with an overall pooled rate of 28.2% (95% confidence interval = 22.8%-33.6%). The overall redislocation rate was 1.1%. No patients experienced surgical site infection or bone nonunion. Two studies compared the clinical outcomes of MPFL-R with and without D-DFO. Compared with isolated MPFL-R, the combined procedure yielded a better Lysholm score (weighted mean: 84.9 vs. 79.3, p < 0.0001), IKDC score (weighted mean: 84.1 vs. 79.9, p = 0.001), Kujala score (weighted mean: 84.3 vs. 79.4, p < 0.0001) and a lower residual J-sign rate (26/97 [26.8%] vs. 44/105 [41.9%], p = 0.02), respectively. CONCLUSION The combination of D-DFO and MPFL-R led to improved clinical outcomes and a low redislocation rate in patients with RPD and increased FAA. Additional D-DFO can achieve more favourable results in subjective function and patellar tracking than isolated MPFL-R in the setting of excessive FAA. LEVEL OF EVIDENCE Level IV.
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Affiliation(s)
- Daofeng Wang
- Department of Sports Medicine, Sports Medicine Service, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Tong Zheng
- Department of Sports Medicine, Sports Medicine Service, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Yanwei Cao
- Department of Sports Medicine, Sports Medicine Service, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Zhijun Zhang
- Department of Sports Medicine, Sports Medicine Service, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Menglinqian Di
- Department of Sports Medicine, Sports Medicine Service, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Qizhen Fu
- Department of Sports Medicine, Sports Medicine Service, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Jianzhong Sun
- Department of Sports Medicine, Sports Medicine Service, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
| | - Hui Zhang
- Department of Sports Medicine, Sports Medicine Service, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China
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Scanlon JP, Raymond AC, Aujla RS, Gohil S, Ebert JR, Lam LO, Malik SS, Simpson A, Otto JH, Neeson D, D'Alessandro P. Combined quadriceps medial patellofemoral ligament reconstruction and osteochondral fixation offers good patient-reported outcomes and low rates of recurrent instability for osteochondral defects secondary to acute patella dislocation. Knee Surg Sports Traumatol Arthrosc 2023; 31:4007-4015. [PMID: 37171605 DOI: 10.1007/s00167-023-07430-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Accepted: 04/20/2023] [Indexed: 05/13/2023]
Abstract
PURPOSE Chondral injuries secondary to traumatic patella dislocation are common, and a subgroup of these are significant defects with fragments amenable to fixation. There is a paucity of published evidence assessing patients managed with combined acute patellofemoral stabilisation and osteochondral fixation. The purpose of this study is to report the outcomes of patients with osteochondral injuries secondary to acute traumatic patella dislocation treated with combined early fragment fixation and MPFL reconstruction using a quadriceps tendon turndown technique which has distinct advantages for this cohort, including preventing chondral overloading and non-violation of the patella bone. METHODS Patients who underwent combined quadriceps tendon MPFL reconstruction and osteochondral fixation were included. Patient demographics, defect characteristics, complications and reoperations were evaluated. Patients were assessed with Lysholm, Kujala, KOOS-PF scores and satisfaction scale at follow up. Pre-operative MRI was assessed for presence of radiological risk factors for patella dislocation and post-operative MRI was used to assess cartilage quality with MOCART 2.0 score. RESULTS A total of 19 patients (63.2% female) were included. The mean age was 17.4 ± 4.8 years and patients were followed up at a mean 15.8 ± 5.1 months post-surgery. The mean defect size was 2.4 cm2 ± 1.3 cm2, with the most common defect location being the patella (13/19; 68.4%) followed by the lateral femoral condyle (5/19; 26.3%). At final follow up, the overall mean Lysholm, Kujala, and KOOS-PF scores were 84.9 ± 11.1, 89.7 ± 5.8 and 80.6 ± 13.6, respectively. Seventeen patients (89.5%) were satisfied with their outcome. The mean MOCART 2.0 score at final follow-up was 72.5. One patient required medial capsular plication with removal of a loose chondral body and microfracture and 3 knees required minor reoperations. CONCLUSION Combined acute osteochondral fragment fixation and MPFL reconstruction using a quadriceps tendon graft offers good radiological and patient-reported outcomes with high satisfaction and low rates of recurrent patella dislocation. To our knowledge, this is currently the largest series of its kind in the literature and the results of this study provide a rationale for a combined approach using a quadriceps tendon graft for this cohort. LEVEL OF EVIDENCE Level IV.
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Affiliation(s)
- John P Scanlon
- Orthopaedic Research Foundation of Western Australia, Perth, Australia.
- Fiona Stanley Fremantle Hospitals Group, Perth, Australia.
| | - Antony C Raymond
- Orthopaedic Research Foundation of Western Australia, Perth, Australia
- University Hospitals Dorset NHS Foundation Trust, Poole, UK
| | - Randeep S Aujla
- Orthopaedic Research Foundation of Western Australia, Perth, Australia
- University Hospitals of Leicester NHS Trust, Leicester, UK
| | - Satyen Gohil
- Orthopaedic Research Foundation of Western Australia, Perth, Australia
- Fiona Stanley Fremantle Hospitals Group, Perth, Australia
| | - Jay R Ebert
- Orthopaedic Research Foundation of Western Australia, Perth, Australia
- School of Human Sciences (Exercise and Sport Science), University of Western Australia, Perth, Australia
| | - Li-On Lam
- Orthopaedic Research Foundation of Western Australia, Perth, Australia
- Fiona Stanley Fremantle Hospitals Group, Perth, Australia
| | - Shahbaz S Malik
- Orthopaedic Research Foundation of Western Australia, Perth, Australia
- Worcester Acute Hospitals NHS Trust, Worcester, UK
| | - Ashley Simpson
- Orthopaedic Research Foundation of Western Australia, Perth, Australia
| | - Jacobus H Otto
- Fiona Stanley Fremantle Hospitals Group, Perth, Australia
| | - Declan Neeson
- Fiona Stanley Fremantle Hospitals Group, Perth, Australia
| | - Peter D'Alessandro
- Orthopaedic Research Foundation of Western Australia, Perth, Australia
- Fiona Stanley Fremantle Hospitals Group, Perth, Australia
- Medical School, Division of Surgery, University of Western Australia, Perth, Australia
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Heindel K, Smoak J, Kocan J, Cossell C, Haider MN, Levy BJ, Bisson L. Stiffness and Instability After MPFL Reconstruction Using a Fluoroscopic Versus Open Technique to Localize the Femoral Attachment Site: A Systematic Review and Meta-analysis. Orthop J Sports Med 2023; 11:23259671221148482. [PMID: 37342554 PMCID: PMC10278418 DOI: 10.1177/23259671221148482] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 10/21/2022] [Indexed: 06/23/2023] Open
Abstract
Background Open and fluoroscopic techniques have been described for localization of the femoral attachment site in medial patellofemoral ligament (MPFL) reconstruction. No study to date has evaluated if one technique is superior to another in terms of complications. Purpose To review the literature comparing clinical outcomes of MPFL reconstruction using the fluoroscopic versus open technique to localize the site of femoral graft placement. Study Design Systematic review; Level of evidence, 4. Methods A systematic literature review was performed via PubMed, Embase, and CINAHL to identify articles published between the inception of these databases and March 1, 2022, in accordance with the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. This search yielded 4183 publications for initial review. Studies with at least a 2-year follow-up and complete reporting of patient-reported outcomes, range of motion, recurrent instability, and/or complications (ie, stiffness, infection, persistent pain) were included. We excluded studies of patients with collagen disorders; revision surgeries; surgeries with concomitant procedures; synthetic MPFL reconstruction; MPFL repairs; combined open and radiographic technique; and case series that included <10 patients. A proportional meta-analysis was performed by calculating the pooled estimate of incidence with 95% CIs using a fixed-effects model with double arcsine transformation (Freeman-Tukey) for each type of surgical technique (fluoroscopic or open). Results A total of 29 studies met our inclusion criteria, of which 15 studies (566 patients) used the open technique and 14 studies (620 patients) used fluoroscopy. There were no significant differences between the open and fluoroscopic techniques in the incidence of postoperative apprehension (P = .4826), postoperative subjective instability (P = .1095), postoperative objective instability (P = .5583), reoperations (P = .7981), recurrent dislocation (P = .6690), or arthrofibrosis (P = .8118). Conclusion Both open and radiographic localization of the femoral graft position in MPFL reconstruction offer similar outcomes and rates of complications.
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Affiliation(s)
- Koan Heindel
- Department of Orthopaedics, Jacobs School of Medicine and Biomedical Sciences, The State University of New York at Buffalo, Buffalo, New York, USA
| | - Jason Smoak
- Department of Orthopaedics, Jacobs School of Medicine and Biomedical Sciences, The State University of New York at Buffalo, Buffalo, New York, USA
| | - Joseph Kocan
- Department of Orthopaedics, Jacobs School of Medicine and Biomedical Sciences, The State University of New York at Buffalo, Buffalo, New York, USA
| | - Charles Cossell
- Department of Orthopaedics, Jacobs School of Medicine and Biomedical Sciences, The State University of New York at Buffalo, Buffalo, New York, USA
| | - Mohammad Nadir Haider
- Department of Orthopaedics, Jacobs School of Medicine and Biomedical Sciences, The State University of New York at Buffalo, Buffalo, New York, USA
| | - Benjamin J. Levy
- Department of Orthopaedic Surgery, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Leslie Bisson
- Department of Orthopaedics, Jacobs School of Medicine and Biomedical Sciences, The State University of New York at Buffalo, Buffalo, New York, USA
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Zhang ZJ, Di MLQ, Song GY, Li Y, Cao YW, Zheng T, Feng H, Zhang H. Clinical and Second-look Arthroscopic Results for Derotational Distal Femoral Osteotomy With Medial Patellofemoral Ligament Reconstruction for Recurrent Patellar Dislocation With Increased Femoral Anteversion: A Series of 102 Cases With a Minimum Clinical Follow-up of 2 Years. Am J Sports Med 2023; 51:663-671. [PMID: 36661484 DOI: 10.1177/03635465221147484] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
BACKGROUND Derotational distal femoral osteotomy (DDFO) has been used to treat patients with recurrent patellar dislocation (RPD) with increased femoral anteversion. However, no study has reported second-look arthroscopic findings in the patellofemoral joint after DDFO. PURPOSE To report clinical and second-look arthroscopic outcomes for DDFO with combined medial patellofemoral ligament reconstruction (MPFL-R) in treating RPD with increased femoral anteversion. STUDY DESIGN Case series; Level of evidence, 4. METHODS From 2015 to 2019, 131 consecutive patients (144 knees) with RPD were treated with combined MPFL-R and DDFO. Patients with a femoral anteversion angle >30° and a minimum 2-year clinical follow-up period were included in the study. Three-dimensional computed tomography was performed to evaluate rotational deformities of the lower leg. Radiographic parameters presenting bony abnormalities associated with RPD were measured. Second-look arthroscopic evaluations were available for 86 knees to assess patellar tracking and chondral lesion changes. Moreover, clinical and radiologic outcomes were assessed pre- and postoperatively at a minimum 2 years. RESULTS A total of 102 knees in 92 patients were included in the present study with a mean clinical follow-up of 4.1 years (range, 2.0-5.6 years). Mean ± SD femoral anteversion changed significantly from 34.7°± 7.5° preoperatively to 11.3°± 0.2° postoperatively (P < .001), and mean tibial tubercle-trochlear groove distance decreased significantly from 19.6 ± 3.5 mm preoperatively to 17.4 ± 3.2 mm postoperatively (P < .001). In the majority of knees, at the time of second-look arthroscopic assessment, chondral lesion status remained unchanged at the lateral patellar facet (96%) and trochlear groove (95%); in contrast, chondral damage at the medial patellar facet was aggravated in 9 cases (10%). All functional scores (Tegner, Lysholm, visual analog scale, and Kujala scores) improved significantly at final follow-up. None of the patients experienced redislocation or subluxation after surgery. CONCLUSION Chondral lesions in the patellofemoral joint remained unchanged in the majority of cases in second-look arthroscopy after combined MPFL-R and DDFO. Moreover, high-grade trochlear dysplasia and arthroscopic residual patellar maltracking might be associated with cartilaginous deterioration at the medial patellar facet after surgery.
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Affiliation(s)
- Zhi-Jun Zhang
- Sports Medicine Service, Beijing Jishuitan Hospital, Xi Cheng District, Beijing, China
| | - Meng Lin Qian Di
- Sports Medicine Service, Beijing Jishuitan Hospital, Xi Cheng District, Beijing, China
| | - Guan-Yang Song
- Sports Medicine Service, Beijing Jishuitan Hospital, Xi Cheng District, Beijing, China
| | - Yue Li
- Sports Medicine Service, Beijing Jishuitan Hospital, Xi Cheng District, Beijing, China
| | - Yan-Wei Cao
- Sports Medicine Service, Beijing Jishuitan Hospital, Xi Cheng District, Beijing, China
| | - Tong Zheng
- Sports Medicine Service, Beijing Jishuitan Hospital, Xi Cheng District, Beijing, China
| | - Hua Feng
- Sports Medicine Service, Beijing Jishuitan Hospital, Xi Cheng District, Beijing, China
| | - Hui Zhang
- Sports Medicine Service, Beijing Jishuitan Hospital, Xi Cheng District, Beijing, China
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The remaining parameters of patellar instability could be affected for osteoarthritic change after medial patellofemoral ligament reconstruction with or without anteromedialization of the tibial tubercle osteotomy for patellar instability: a retrospective cohort study. BMC Musculoskelet Disord 2023; 24:56. [PMID: 36683021 PMCID: PMC9869604 DOI: 10.1186/s12891-022-06100-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Accepted: 12/19/2022] [Indexed: 01/24/2023] Open
Abstract
BACKGROUND In literature, studies evaluating the factors associated the postoperative progression of patellofemoral (PF) osteoarthritis (OA) following patellar stabilization surgery are limited. This study aimed to compare the clinical outcomes after medial patellofemoral ligament reconstruction (MPFLR) as an isolated procedure (iMPFLR) and in combination with anteromedialization (AMZ) of the tibial tubercle osteotomy (TTO) and investigate the factors related to the postoperative progression of PFOA after patellar stabilization surgery. METHODS Between 2009 and 2020, 30 knees of 23 consecutive patients underwent MPFLR with or without AMZ, using an autologous semitendinosus tendon graft; they were followed up for more than 2 years in the retrospective nature of the study. iMPFLR was performed in cases of recurrent patellar dislocation with normal tibial tubercle-trochlear groove (TT-TG) distance and no PFOA, and MPFLR+AMZ was performed for cases of excessive TT-TG distance, preoperative PFOA of recurrent patellar dislocation, or habitual patellar dislocation. Clinical findings and radiographs of the PF joint were evaluated pre- and postoperatively with PF alignment parameters and PFOA and were compared between surgical procedures. Factors for the postoperative progression of PFOA were compared between the OA progression and non-progression groups. RESULTS Postoperative clinical score, radiographic parameters except for sulcus angle, TT-TG distance, and progression of PFOA were not significantly different between the iMPFLR and MPFLR+AMZ groups. Postoperative lateral patellar displacement (p = 0.001) and congruence angle (p = 0.017) were significantly different between the OA progression and non-progression groups. CONCLUSION Similar to MPFLR for recurrent cases, MPFLR with AMZ can improve the clinical and radiographic outcomes in severe cases. The remaining parameters of patellar instability could be affected in the postoperative progression of PFOA after MPFL reconstruction with or without AMZ of TTO for patellar instability.
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Elias JJ, Li M, Yang M, Lartey R, Murray JP, Farrow LD, Winalski CS, Li X. Elevated Patellofemoral and Tibiofemoral T1ρ Relaxation Times Following a First Time Patellar Dislocation. Cartilage 2022; 13:19476035221102570. [PMID: 35676874 PMCID: PMC9189536 DOI: 10.1177/19476035221102570] [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] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVE The study was performed to evaluate cartilage within the knee following a first-time patellar dislocation, using elevated MRI-based T1ρ relaxation times as an indicator of low proteoglycan concentration. The hypothesis is that MRI-based T1ρ relaxation times for patellofemoral and tibiofemoral cartilage are significantly longer for knees being treated for patellar dislocation than for healthy control knees. DESIGN Twenty-one subjects being treated for a first-time, unilateral dislocation of the patella and 16 healthy controls participated in MRI-based T1ρ relaxation time mapping. Mean relaxation times were quantified for patellofemoral and tibiofemoral regions for injured knees, the contralateral knees, and healthy controls. T1ρ values for each region were compared between the 3 groups with generalized estimating equations. Linear regressions were also performed to correlate T1ρ relaxation times with time from injury. RESULTS The knees with a disloction had longer T1ρ relaxation times than the contralateral knees and control group at the medial patella and longer relaxation times than the control group at the lateral tibia (P < 0.05). T1ρ relaxation times at the medial patella also decreased with time from injury (r2 = 0.21, P = 0.037). CONCLUSIONS Compositional changes to cartilage on the medial patella are related to traumatic impact during a dislocation. Potential exists for cartilage properties at the medial patella to improve with time. Cartilage degradation at the lateral tibia is not directly related to traumatic impact. The current baseline data are a starting point to characterize the pathway from a first-time dislocation to progressive cartilage degradation and osteoarthritis.
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Affiliation(s)
- John J. Elias
- Department of Research, Cleveland Clinic Akron General, Akron, OH, USA,John J. Elias, Department of Research, Cleveland Clinic Akron General, 1 Akron General Avenue, Akron, OH 44302, USA.
| | - Mei Li
- Department of Biomedical Engineering, Cleveland Clinic, Cleveland, OH, USA
| | - Mingrui Yang
- Department of Biomedical Engineering, Cleveland Clinic, Cleveland, OH, USA
| | - Richard Lartey
- Department of Biomedical Engineering, Cleveland Clinic, Cleveland, OH, USA
| | - John P. Murray
- Department of Biomedical Engineering, Cleveland Clinic, Cleveland, OH, USA
| | - Lutul D. Farrow
- Orthopaedic & Rheumatologic Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Carl S. Winalski
- Department of Diagnostic Radiology, Cleveland Clinic, Cleveland, OH, USA
| | - Xiaojuan Li
- Department of Biomedical Engineering, Cleveland Clinic, Cleveland, OH, USA
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Biz C, Stecco C, Crimì A, Pirri C, Fosser M, Fede C, Fan C, Ruggieri P, De Caro R. Are Patellofemoral Ligaments and Retinacula Distinct Structures of the Knee Joint? An Anatomic, Histological and Magnetic Resonance Imaging Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19031110. [PMID: 35162134 PMCID: PMC8834464 DOI: 10.3390/ijerph19031110] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 01/17/2022] [Accepted: 01/18/2022] [Indexed: 11/16/2022]
Abstract
There is disagreement regarding the description of the patellofemoral ligaments (PFLs), considered by some authors as capsular thickening and by others as independent ligaments. It was hypothesised that the PFLs and retinacula are structures with different histological features. The aim of this study was to describe the stabilising structures of the patella in detail and to determine if the PFLs and retinacula are different and separable structures from a macroscopic, microscopic and imaging viewpoint. An anatomical study was performed on eight knees from five cadavers (mean age, 56.2 years; range, 35–63 years), and a histological study was conducted on specimens from nine patients having a mean age of 65 years (range 35–84 years) who had undergone surgical knee procedures. The imaging study was based on 100 MRIs (96 patients). The mean age was 46 years (range 16–88), and the study analysed the capsular-ligamentous structures. In the medial compartment, the layers and structures were as follows: superficial layer, medial retinaculum; intermediate layer, Medial Collateral Ligament (MCL), Posterior Oblique Ligament (POL) and Medial Patellofemoral Ligament (MPFL); deep layer, deep part of the MCL and joint capsule. In the lateral compartment, the layers and structures were the following: superficial layer, lateral retinaculum; intermediate layer, Lateral Collateral Ligament (LCL) and Lateral Patellofemoral Ligament (LPFL); deep layer, joint capsule. All of the knees examined presented a clearly distinguishable MPFL and LPFL separable from the capsular layer. Histological study: there was a higher density of nerve fibres in retinacula compared to ligaments (p = 0.0034) and a higher content of elastic fibres in retinacula (p < 0.0005). In imaging, there was no difference between medial and lateral retinaculum thickness (p > 0.05). In conclusion, both the lateral and medial compartment can be described using the three-layer scheme. PFLs and retinacula are separate structures both macroscopically and according to imaging analysis. The retinacula respond to their specific function with a higher nerve fibre content and higher number of elastic fibres compared to the ligaments.
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Affiliation(s)
- Carlo Biz
- Orthopaedics and Orthopaedic Oncology, Department of Surgery, Oncology and Gastroenterology DiSCOG, University of Padua, 35128 Padova, Italy; (A.C.); (M.F.); (P.R.)
- Correspondence: ; Tel.: +39-049-8213239
| | - Carla Stecco
- Department of Neurosciences, Institute of Human Anatomy, University of Padua, 35121 Padova, Italy; (C.S.); (C.P.); (C.F.); (C.F.); (R.D.C.)
| | - Alberto Crimì
- Orthopaedics and Orthopaedic Oncology, Department of Surgery, Oncology and Gastroenterology DiSCOG, University of Padua, 35128 Padova, Italy; (A.C.); (M.F.); (P.R.)
| | - Carmelo Pirri
- Department of Neurosciences, Institute of Human Anatomy, University of Padua, 35121 Padova, Italy; (C.S.); (C.P.); (C.F.); (C.F.); (R.D.C.)
| | - Michele Fosser
- Orthopaedics and Orthopaedic Oncology, Department of Surgery, Oncology and Gastroenterology DiSCOG, University of Padua, 35128 Padova, Italy; (A.C.); (M.F.); (P.R.)
| | - Caterina Fede
- Department of Neurosciences, Institute of Human Anatomy, University of Padua, 35121 Padova, Italy; (C.S.); (C.P.); (C.F.); (C.F.); (R.D.C.)
| | - Chenglei Fan
- Department of Neurosciences, Institute of Human Anatomy, University of Padua, 35121 Padova, Italy; (C.S.); (C.P.); (C.F.); (C.F.); (R.D.C.)
| | - Pietro Ruggieri
- Orthopaedics and Orthopaedic Oncology, Department of Surgery, Oncology and Gastroenterology DiSCOG, University of Padua, 35128 Padova, Italy; (A.C.); (M.F.); (P.R.)
| | - Raffaele De Caro
- Department of Neurosciences, Institute of Human Anatomy, University of Padua, 35121 Padova, Italy; (C.S.); (C.P.); (C.F.); (C.F.); (R.D.C.)
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