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Kahlon H, Vivekanantha P, Blackman B, Cohen D, Mckechnie T, Park L, de Sa D. Surgical techniques for medial Patellofemoral ligament reconstruction: a systematic review and meta-analysis of level I and II studies. Knee Surg Sports Traumatol Arthrosc 2023; 31:4368-4378. [PMID: 37347281 DOI: 10.1007/s00167-023-07494-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Accepted: 06/12/2023] [Indexed: 06/23/2023]
Abstract
PURPOSE To determine the most optimal surgical technique for medial patellofemoral ligament reconstruction (MPFLR). METHODS Three databases MEDLINE, PubMed, and EMBASE were searched from inception to December 13th, 2022, for level I or II studies comparing MPFLR techniques. The authors adhered to the PRISMA and R-AMSTAR guidelines as well as the Cochrane Handbook for Systematic Reviews of Interventions. Data on patient-reported outcome measures were recorded. Quality assessment was carried out using the MINORS and Cochrane Risk of Bias assessment tools. Certainty of evidence was carried out with the GRADE assessment tool. RESULTS Ten studies comprising 723 patients (723 knees) were included in this review. The weighted mean difference in Kujala, Lysholm, and IKDC scores comparing single- and double-tunnel patellar drilling techniques was 2.66 (95% CI -1.05-6.37, p = 0.16, I2 = 0%) with moderate certainty, 0.78 (95% CI -9.02-10.58, p = 0.88, I2 = 87%) with low certainty, and 1.71 (95% CI -2.43-5.86, p = 0.42, I2 = 0%) with low certainty, respectively. Double-suture anchor patellar fixation demonstrated greater Kujala scores than transpatellar fixation (87.1 ± 2.8 vs 84.0 ± 3.8, p < 0.001) with moderate certainty. Y-shaped graft patellar fixation demonstrated superior Kujala scores to C-shaped graft patellar fixation (95.9 ± 4.7 vs 91.3 ± 9.7, p = 0.001) with moderate certainty. Augmentation of femoral fixation with polyester sutures demonstrated superior Kujala scores (97.8 ± 6.4. vs 88.0 ± 6.3, p < 0.005) with low certainty. Four-stranded grafts demonstrated greater Kujala scores than two-stranded grafts (93.5 ± 2.6 vs 91.6 ± 3.5, p = 0.01) with low certainty. CONCLUSION The optimal MPFLR surgical technique is likely to utilize a four-stranded graft using either endobutton, double-suture anchor, or transosseous suture patellar fixation with polyester suture augmented interference screw femoral fixation. Orthopedic surgeons can consider employing such a technique to improve patient outcomes by conferring greater graft stability, strength, and function. Level of evidence Level II.
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Affiliation(s)
- Harjind Kahlon
- Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
| | | | - Benjamin Blackman
- Department of Medicine, Department of Surgery, University of Limerick, Limerick, Ireland
| | - Dan Cohen
- Division of Orthopaedic Surgery, Department of Surgery, McMaster University Medical Centre, 1200 Main St West, Hamilton, ON, 4E14L8N 3Z5, Canada
| | - Tyler Mckechnie
- Division of General Surgery, Department of Surgery, McMaster University Medical Centre, Hamilton, ON, Canada
| | - Lily Park
- Division of General Surgery, Department of Surgery, McMaster University Medical Centre, Hamilton, ON, Canada
| | - Darren de Sa
- Division of Orthopaedic Surgery, Department of Surgery, McMaster University Medical Centre, 1200 Main St West, Hamilton, ON, 4E14L8N 3Z5, Canada.
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Jackson GR, Tuthill T, Gopinatth V, Mameri ES, Jawanda H, Sugrañes J, Asif S, Wessels M, McCormick JR, Kaplan DJ, Yanke AB, Knapik DM, Verma NN, Chahla J. Complication Rates After Medial Patellofemoral Ligament Reconstruction Range From 0% to 32% With 0% to 11% Recurrent Instability: A Systematic Review. Arthroscopy 2023; 39:1345-1356. [PMID: 36764559 DOI: 10.1016/j.arthro.2023.01.098] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/15/2023] [Accepted: 01/27/2023] [Indexed: 02/12/2023]
Abstract
PURPOSE To review the incidence of complications following primary medial patellofemoral ligament (MPFL) reconstruction for recurrent patellar instability. METHODS A literature search was conducted by querying PubMed and Scopus databases from database inception through August 2022 according to the 2020 Preferred Reporting Items for Systematic Review and Meta-analysis guidelines using the terms "Medial Patellofemoral Ligament," "MPFL," "reconstruction," "patellar," and "instability." Inclusion criteria included studies reporting complications following primary MPFL reconstruction for recurrent patellar instability. Exclusion criteria consisted of studies reporting on patients undergoing concurrent osteotomy procedures, revision reconstruction, and biomechanical or anatomic studies. The incidence of specific complications was aggregated from the included studies. RESULTS Twenty-eight studies, consisting of 1,478 patients (n = 1521 knees), with a mean age of 23.3 years (mean range, 19-34.3 years) were identified. The overall incidence of complications ranged from 0% to 32.3% of knees. Failure ranged from 0% to 10.7% of knees, whereas patellar fractures occurred in 0% to 8.3% of knees, primarily in patients treated with full-length transverse tunnel or 2-tunnel techniques. All patellar fractures occurred in patients with patellar tunnels ranging from 4.5 to 6.0 mm in diameter. The incidence of postoperative knee stiffness/range of motion deficit ranged from 0% to 20%. Persistent anterior knee pain, ranged from 0% to 32.3%. CONCLUSIONS Complications following primary MPFL reconstruction ranged from 0% to 32.3% of knees, primarily consisting of residual anterior knee pain. Failure ranged from 0% to 10.7% of knees, whereas patellar fractures were reported in 0% to 8.3% of knees. Fractures primarily occurred with a full-length transverse tunnel or 2-tunnel techniques, whereas all fractures occurred with patellar tunnels ranging from 4.5 mm to 6.0 mm in diameter. LEVEL OF EVIDENCE IV; Systematic Review of Level I-IV studies.
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Affiliation(s)
- Garrett R Jackson
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Trevor Tuthill
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Varun Gopinatth
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Enzo S Mameri
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A.; Instituto Brasil de Tecnologia da Saúde, Rio de Janeiro, Brazil; Department of Orthopedics and Traumatology, Federal University of São Paulo (EPM-UNIFESP), São Paulo, Brazil
| | - Harkirat Jawanda
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Joan Sugrañes
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A.; Department of Orthopaedic Surgery, Hospital de La Santa Creu I Sant Pau, Universitat Autonoma de Barcelona, Barcelona, Spain
| | - Shaan Asif
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Morgan Wessels
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Johnathon R McCormick
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Daniel J Kaplan
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Adam B Yanke
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Derrick M Knapik
- Department of Orthopaedic Surgery, Washington University and Barnes-Jewish Orthopedic Center, Chesterfield, Missouri, U.S.A
| | - Nikhil N Verma
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Jorge Chahla
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A..
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Xing D, Li W, Yang Z, Dong Z, Kang H, Wang F. Active exercise therapy improves the recovery of knee joint function and reduction of muscle atrophy after medial patellofemoral ligament reconstruction for recurrent patellar dislocation. Front Surg 2022; 9:954287. [PMID: 36386504 PMCID: PMC9663654 DOI: 10.3389/fsurg.2022.954287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 09/07/2022] [Indexed: 01/25/2023] Open
Abstract
OBJECTIVES Medial patellofemoral ligament (MPFL) reconstruction is an important surgical therapy for recurrent patellar dislocation. However, few studies have focused on exercise therapy after MPFL reconstruction. Therefore, the first purpose was to compare the active and traditional postoperative exercise therapies on the recovery of knee joint function and reduction of muscle atrophy after MPFL reconstruction, and the second purpose was to compare the active and traditional postoperative exercise therapies on the patellar stability after MPFL reconstruction. METHODS The cases of 31 patients with recurrent patellar dislocation treated with patella double semi-tunnel anatomical MPFL reconstruction from February 2016 and February 2019 were retrospectively reviewed. The clinical outcomes, including the patellar tilt angle (PTA), lateral patellofemoral angle (LPFA), thigh circumference reduction, Kujala score, and Lysholm score, were compared between two groups (i.e., active exercise and traditional exercise groups) preoperatively, 3 months postoperatively, 6 months postoperatively, 12 months postoperatively, and 24 months postoperatively. RESULTS The Kujala score was significantly higher in the active exercise group than traditional exercise group 3 months postoperatively (80.06 vs. 74.80, P < 0.01), 6 months postoperatively (89.19 vs. 82.07, P < 0.01), 12 months postoperatively (91.43 vs. 86.60, P < 0.01), and 24 months postoperatively (92.50 vs. 90.27, P = 0.02). Similarly, there was a higher Lysholm score in the active exercise group compared with traditional exercise group 3 months postoperatively (81.25 vs. 76.53, P < 0.01), 6 months postoperatively (89.81 vs. 84.80, P < 0.01), 12 months postoperatively (93.25 vs. 88.40, P < 0.01), and 24 months postoperatively (93.69 vs. 90.67, P < 0.01). Significantly lower thigh circumference reduction was reported in the active exercise group compared with that in the traditional exercise group 3 months postoperatively (1.90 ± 0.57 vs. 2.45 ± 0.45, P < 0.01) and 6 months postoperatively (1.50 ± 0.31 vs. 1.83 ± 0.32, P < 0.01). No statistical difference was observed between the two groups in terms of PTA (P > 0.05) or LPFA postoperatively (P > 0.05). CONCLUSIONS Our results suggested that active exercise therapy might benefit the early recovery of knee joint function and reduction of muscle atrophy in patients with recurrent patellar dislocation after MPFL reconstruction.
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Affiliation(s)
- Dong Xing
- Department of Joint Surgery, Third Hospital of Hebei Medical University, Shijiazhuang, China,Department of Orthopedics, Hebei General Hospital, Shijiazhuang, China
| | - Wenyi Li
- Department of Orthopedics, Hebei General Hospital, Shijiazhuang, China
| | - Zhaoxu Yang
- Department of Orthopedics, Hebei General Hospital, Shijiazhuang, China
| | - Zhijie Dong
- Department of Orthopedics, Hebei General Hospital, Shijiazhuang, China
| | - Huijun Kang
- Department of Joint Surgery, Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Fei Wang
- Department of Joint Surgery, Third Hospital of Hebei Medical University, Shijiazhuang, China,Correspondence: Fei Wang
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蔡 国, 李 彦, 宁 梓, 韩 睿, 贾 笛, 李 松, 宋 恩, 王 旭. [Mid-term effectiveness analysis of combined knee extensor mechanism realignment with bone anchor for recurrent patella dislocation]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2022; 36:963-968. [PMID: 35979787 PMCID: PMC9379466 DOI: 10.7507/1002-1892.202201087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 06/14/2022] [Indexed: 01/24/2023]
Abstract
Objective To explore the mid-term effectiveness of combined knee extensor mechanism realignment with bone anchor for recurrent patella dislocation. Methods Between August 2017 and May 2019, 21 patients with recurrent patella dislocation underwent combined knee extensor mechanism realigament with bone anchor and followed up more than 3 years. There were 8 males and 13 females with an average age of 19.4 years (range, 13-26 years). All 21 patients had a history of recurrent patellar dislocation for 2-5 times (median, 3 times), and the disease duration was 1-16 years (mean, 5 years). The preoperative Lysholm score was 67.5±6.3 and the Kujula score was 64.1±7.0. The defect of meniscus, anterior and posterior cruciate ligaments, and medial and lateral collateral ligaments were excluded by MRI examination; CT examination showed that the tibial tuberosity-trochlear groove distance was 2.05-2.56 cm, with an average of 2.16 cm; X-ray examination showed that lower limb force line was abnormal. The effectiveness were evaluated by Lysholm score and Kujula score before operation and at 3 years after operation, and Insall evaluation standard at 3 years after operation. Results All the incisions healed by first intention, and there was no surgical complication such as lower extremity deep vein thrombosis, incision infection, and nerve injury. All 21 patients were followed up 3.0-3.5 years, with an average of 3.2 years. Anteroposterior and lateral X-ray films of the knee joint at 3 years after operation showed that the position of the patella was normal, and the axial X-ray films of the patella (30°, 60°, 90°) showed that the patellofemoral joint had a good relationship. During the follow-up, there was no anchor drop or fracture, no obvious pseudarthrosis formation, and no epiphyseal injury in the minor patients. The Lysholm score was 91.5±7.1 and the Kujula score was 88.1±7.6 at 3 years after operation, which were significantly improved when compared with those before operation ( t=11.57, P=0.00; t=12.78, P=0.00). According to the Insall evaluation criteria, 12 cases were excellent, 4 cases were good, 4 cases were fair, and 1 case was poor, with an excellent and good rate of 76.2%. Conclusion Combined knee extensor mechanism realignment with bone anchor is a simple and reliable way to treat the recurrent patella dislocation, with a satisfactory mid-term effectiveness and less complications; however, its long-term effectiveness needs further follow-up.
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Affiliation(s)
- 国锋 蔡
- 昆明医科大学第一附属医院运动医学科(昆明 650032)Department of Sports Medicine, First Affiliated Hospital of Kunming Medical University, Kunming Yunnan, 650032, P. R. China
| | - 彦林 李
- 昆明医科大学第一附属医院运动医学科(昆明 650032)Department of Sports Medicine, First Affiliated Hospital of Kunming Medical University, Kunming Yunnan, 650032, P. R. China
| | - 梓文 宁
- 昆明医科大学第一附属医院运动医学科(昆明 650032)Department of Sports Medicine, First Affiliated Hospital of Kunming Medical University, Kunming Yunnan, 650032, P. R. China
| | - 睿 韩
- 昆明医科大学第一附属医院运动医学科(昆明 650032)Department of Sports Medicine, First Affiliated Hospital of Kunming Medical University, Kunming Yunnan, 650032, P. R. China
| | - 笛 贾
- 昆明医科大学第一附属医院运动医学科(昆明 650032)Department of Sports Medicine, First Affiliated Hospital of Kunming Medical University, Kunming Yunnan, 650032, P. R. China
| | - 松 李
- 昆明医科大学第一附属医院运动医学科(昆明 650032)Department of Sports Medicine, First Affiliated Hospital of Kunming Medical University, Kunming Yunnan, 650032, P. R. China
| | - 恩 宋
- 昆明医科大学第一附属医院运动医学科(昆明 650032)Department of Sports Medicine, First Affiliated Hospital of Kunming Medical University, Kunming Yunnan, 650032, P. R. China
| | - 旭 王
- 昆明医科大学第一附属医院运动医学科(昆明 650032)Department of Sports Medicine, First Affiliated Hospital of Kunming Medical University, Kunming Yunnan, 650032, P. R. China
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