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Guler Y, Keskin A, Eskara H, Karslıoglu B, İmren Y, Semih Dedeoglu S. Lateral extrarticular tenodesis enhances outcomes in primary anterior cruciate ligament repair with knotless anchor: 24-Month minimum follow up. Knee 2024; 50:77-87. [PMID: 39128173 DOI: 10.1016/j.knee.2024.07.005] [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: 01/18/2024] [Revised: 03/30/2024] [Accepted: 07/02/2024] [Indexed: 08/13/2024]
Abstract
BACKGROUND Previous studies have shown that primary repair of proximal ligament avulsion from the femoral condyle may have reasonable recovery and stability rates after repair. As a result, selecting patients more narrowly and more specifically has been recognized to improve short- and medium-term outcomes. PURPOSE This study aimed to assess the potential benefits of primary repair for acute anterior cruciate ligament (ACL) tears with a proximal tear and to evaluate the effect of performing lateral extraarticular tenodesis (LET) in addition to primary repair on patient outcomes. STUDY DESIGN Retrospective cohort study. METHODS This study was a retrospective cohort study. Thirty-eight patients between the ages of 21 and 40 years who underwent ACL repair surgery within the first 3 weeks after injury due to Sherman type 1 proximal ACL tears were evaluated. Group 1 (n = 18) underwent only primary ACL repair with knotless anchor, while Group 2 (n = 20) had LET with iliotibial band autograft in addition to primary repair. Patients were evaluated using various tests and scoring systems at 6, 12, and 24 months postoperatively. RESULTS There was no statistically significant difference between the groups in preoperative and postoperative 6- and 12-month visual analog scale (VAS) scores (P >0.05). However, the 24-month VAS score of Group 1 was statistically significantly higher than that of Group 2 (P <0.05). The preoperative International Knee Documentation Committee (IKDC) score of Group 1 was statistically significantly higher than that of Group 2 (p: 0.004; P <0.05). Group 1 had statistically significantly lower IKDC scores at postoperative 6, 12, and 24 months than Group 2. Similarly, Group 1 had statistically significantly lower Single Assessment Numeric Evaluation (SANE) and Tegner-Lysholm scores at postoperative 6, 12, and 24 months than Group 2 (P <0.05). The occurrence rate of Lachman positivity in the preoperative period was 28.6% in Group 1 and 33.3% in Group 2. CONCLUSION Our study suggests that performing LET with iliotibial band autograft in addition to primary ACL repair may lead to better outcomes in terms of pain relief, knee function, and stability compared with primary ACL repair alone.
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Affiliation(s)
- Yasin Guler
- University of Health Sciences Baltalimanı Bone Diseases Training and Researh Hospital, Turkey.
| | - Ahmet Keskin
- University of Health Sciences Kartal Dr.Lutfi Kırdar City Hospital, Turkey
| | - Hakan Eskara
- University of Health Sciences Sancaktepe Sehit Prof. Dr. İlhan Varank Training and Research Hospital, Turkey
| | - Bulent Karslıoglu
- University of Health Sciences Prof. Dr. Cemil Tascıoglu City Hospital, Turkey
| | - Yunus İmren
- University of Health Sciences Baltalimanı Bone Diseases Training and Researh Hospital, Turkey
| | - Suleyman Semih Dedeoglu
- University of Health Sciences Baltalimanı Bone Diseases Training and Researh Hospital, Turkey
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2
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Getgood AMJ. Avoiding Graft Failure: Lessons Learned from the Stability Trial. Clin Sports Med 2024; 43:367-381. [PMID: 38811116 DOI: 10.1016/j.csm.2023.08.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]
Abstract
The Stability Study was a multicenter, pragmatic, parallel groups, randomized clinical trial comparing hamstring tendon autograft anterior cruciate ligament reconstruction with or without the addition of lateral extra-articular tenodesis in young patients at high risk of graft failure. Having recruited 618 patients with a 5% loss to follow up, we were able to demonstrate a clinically and statistically significant reduction in clinical failure and graft rupture at 2 years postoperative. No differences in patient-reported outcomes (PROs) were demonstrated between groups; however, patients who experienced an adverse event had significantly worse PROs than those who did not.
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Affiliation(s)
- Alan M J Getgood
- Western University, Fowler Kennedy Sport Medicine Clinic, 3M Centre, London, Ontario N6A 3K7, Canada.
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3
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Blakeney WG, Hayes A, Kop A, Parry J, Walsh M, Annear P, Pabbruwe M. Biomechanical and Histological Study of Retrieved LARS Synthetic Ligaments. Am J Sports Med 2024; 52:1979-1983. [PMID: 38828652 DOI: 10.1177/03635465241253266] [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] [Indexed: 06/05/2024]
Abstract
BACKGROUND Synthetic grafts have been used for a number of years in anterior cruciate ligament (ACL) reconstruction surgery. One of the more recent additions to the stable of synthetic ligaments is the Ligament Augmentation and Reconstruction System (LARS) ligament. PURPOSE To analyze the biomechanics and histology of LARS grafts retrieved due to failure of the device. STUDY DESIGN Descriptive laboratory study. METHODS A total of 22 LARS ligament grafts that were explanted from patients were sent for analysis. Five new, unused samples of the standard LARS ACL graft were also analyzed. Biomechanical testing was performed: ultimate tensile force, force versus displacement, and stress versus strain were recorded. Histopathological examination was performed looking for degree of fibrous tissue ingrowth as well as the presence of a foreign body reaction. RESULTS Of the 22 grafts retrieved, 14 were used for ACL grafts, 1 for a lateral collateral ligament graft, 2 for medial collateral ligament grafts, 4 for gluteal tendon augmentation, and 1 for a supraspinatus augmentation. A severe foreign body reaction was found in 86% of the grafts (18/22) and a mild foreign body reaction in the remaining 14% (4/22). Tissue ingrowth was minimal in the majority of ACL grafts; the other grafts showed moderate tissue ingrowth. Maximal tensile force was significantly higher for the new ACL grafts (mean ± SD, 1667 ± 845 N) compared with the retrieved grafts (897 ± 395 N; P < .05). CONCLUSION This study demonstrated that the vast majority of retrieved LARS artificial ligaments had a florid foreign body reaction. There was minimal tissue ingrowth in ACL grafts and moderate ingrowth in other grafts. Retrieved grafts had a decreased ultimate tensile force, which increased their risk of rupture. CLINICAL RELEVANCE Surgeons should be cautious in choosing to use these grafts in reconstructive surgery for patients.
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Affiliation(s)
- William G Blakeney
- Royal Perth Hospital, Department of Orthopaedic Surgery, Perth, Australia
- University of Western Australia. Department of Surgery, Perth, Australia
| | - Alex Hayes
- Centre for Implant Technology and Retrieval Analysis, Department of Medical Engineering and Physics, Royal Perth Hospital, Perth, Australia
| | - Alan Kop
- Centre for Implant Technology and Retrieval Analysis, Department of Medical Engineering and Physics, Royal Perth Hospital, Perth, Australia
| | | | - Michael Walsh
- Hawkesbury District Health Service, Windsor, New South Wales, Australia
| | - Peter Annear
- Perth Orthopaedic and Sports Medicine Centre, Perth, Australia
| | - Moreica Pabbruwe
- Centre for Implant Technology and Retrieval Analysis, Department of Medical Engineering and Physics, Royal Perth Hospital, Perth, Australia
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Opoku M, Fang M, Lu W, Li Y, Xiao W. Acute anterior cruciate ligament rupture: can repair become an alternative to reconstruction: a meta-analysis of randomized controlled trials and cohort studies. J Orthop Surg Res 2024; 19:331. [PMID: 38825707 PMCID: PMC11145936 DOI: 10.1186/s13018-024-04812-x] [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: 02/28/2024] [Accepted: 05/23/2024] [Indexed: 06/04/2024] Open
Abstract
PURPOSE To perform a meta-analysis to compare clinical outcomes of anterior cruciate ligament (ACL) repair and ACL reconstruction for acute ACL rupture. METHOD We searched Pubmed, Embase, the Cochrane Library, and Web of Science databases to seek relevant studies. Clinical outcomes included failure rate, hardware removal rate, anteroposterior (AP) knee laxity, and patient-reported outcomes. In addition, subgroup analysis was carried out according to repair techniques, rupture locations, and study designs. Funnel plots were used to detect publication bias. All statistical analysis was performed using STATA (version 14.2, StataCorp). RESULTS A total of 10 articles were included in this study, comprising 5 randomized controlled trials (RCTs) and 5 cohort studies, involving a total of 549 patients. We found no statistical differences between the ACL repair and ACL reconstruction in the following outcomes: failure rate, AP knee laxity, International Knee Documentation Committee (IKDC) score, Lysholm score, Knee Injury and Osteoarthritis Outcome (KOOS) Score, and Tegner score. However, the ACL repair group had a higher hardware removal rate. Except for AP knee laxity results on different repair techniques, there was no statistical difference in other subgroup analyses. CONCLUSION Compared with ACL reconstruction, ACL repair shows similar results in clinical outcomes, and it is promising to be an effective alternative treatment for acute ACL rupture. Larger samples and higher-quality studies are needed to support our results and further explore the advantages of ACL repair in other aspects. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
- Michael Opoku
- Department of Orthopaedics, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan, 410008, China
| | - Mingqing Fang
- Department of Orthopaedics, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan, 410008, China
- Xiangya School of Medicine, Central South University, Changsha, Hunan, 410083, China
| | - Wenhao Lu
- Department of Orthopaedics, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan, 410008, China
| | - Yusheng Li
- Department of Orthopaedics, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan, 410008, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China.
| | - Wenfeng Xiao
- Department of Orthopaedics, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan, 410008, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China.
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5
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Rai P, Puri S, Gupta LM, Singh C, Ghai A, Mishra AK, Prasad M, Padhi PP, Shejale N, Pande A. Comparative study of functional outcomes of arthroscopic anterior cruciate ligament reconstruction using anteromedial portal and translateral all-inside technique. Med J Armed Forces India 2023; 79:S181-S188. [PMID: 38144650 PMCID: PMC10746831 DOI: 10.1016/j.mjafi.2022.05.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 05/07/2022] [Indexed: 11/18/2022] Open
Abstract
Background Anterior Cruciate Ligament (ACL) injuries are common in the active population of the Armed Forces. Symptomatic instability prompts individuals to seek a cure or a sheltered appointment. Despite the increasing numbers of ACL reconstructions performed, the outcomes have not been so spectacular with only a meager percentage of our patients returning to preinjury levels of activity. With the premise that an all-inside ACL reconstruction is likely to result in better functional outcomes, the aim of this study was to compare the short-term functional outcomes of a large consecutive series of patients undergoing ACL reconstruction using the translateral all-inside ACL reconstruction technique (AI) and standard anteromedial portal technique (AM) with a minimum follow-up of one year. Methods A total of 240 patients with isolated ACL tear underwent ACL reconstruction via the AI or AM technique. Their preoperative and postoperative scores were compared to look for any significant differences in functional outcomes. Results The two groups were matched for age, BMI, mechanism of injury, and interval from injury to surgery. There was no difference in their preoperative scores. Postoperatively, although there were significant improvements across both groups, there was no significant difference between the groups at any point of time. Conclusion The AI technique has garnered interest in recent literature in addressing ACL injuries. This study found no discernible benefit of the AI technique when compared to the AM technique in terms of functionality following an ACL reconstruction at any point of time up to 1 year following surgery.
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Affiliation(s)
- Pankaj Rai
- Classified Specialist (Orthopaedics), 5 AFH, Air Force Station, Jorhat, India
| | - Sanjay Puri
- Classified Specialist (Orthopaedics), INHS, Asvini, Colaba, Mumbai, India
| | - Lalit Mohan Gupta
- Classified Specialist (Orthopaedics), Command Hospital (Western Command), Chandimandir, India
| | - Chandermohan Singh
- Senior Advisor (Orthopaedics), Command Hospital (Eastern Command), Kolkata, India
| | - Amresh Ghai
- Consultant (Orthopaedics), Base Hospital, Delhi Cantt, India
| | | | - Manish Prasad
- Associate Professor, Department of Orthopaedics, Armed Forces Medical College, Pune, India
| | | | - Naveen Shejale
- Classified Specialist (Orthopaedics), INHS, Asvini, Colaba, Mumbai, India
| | - Ashish Pande
- Classified Specialist (Orthopaedics), Base Hospital, Lucknow, India
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6
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Liukkonen R, Vaajala M, Mattila VM, Reito A. Prevalence of post-traumatic osteoarthritis after anterior cruciate ligament injury remains high despite advances in surgical techniques. Bone Joint J 2023; 105-B:1140-1148. [PMID: 37907079 DOI: 10.1302/0301-620x.105b11.bjj-2023-0058.r1] [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] [Indexed: 11/02/2023]
Abstract
Aims The aim of this study was to report the pooled prevalence of post-traumatic osteoarthritis (PTOA) and examine whether the risk of developing PTOA after anterior cruciate ligament (ACL) injury has decreased in recent decades. Methods The PubMed and Web of Science databases were searched from 1 January 1980 to 11 May 2022. Patient series, observational studies, and clinical trials having reported the prevalence of radiologically confirmed PTOA after ACL injury, with at least a ten-year follow-up, were included. All studies were analyzed simultaneously, and separate analyses of the operative and nonoperative knees were performed. The prevalence of PTOA was calculated separately for each study, and pooled prevalence was reported with 95% confidence intervals (CIs) using either a fixed or random effects model. To examine the effect of the year of injury on the prevalence, a logit transformed meta-regression analysis was used with a maximum-likelihood estimator. Results from meta-regression analyses were reported with the unstandardized coefficient (β). Results The pooled prevalence of PTOA was 37.9% (95% CI 32.1 to 44) for operatively treated ACL injuries with a median follow-up of 14.6 years (interquartile range (IQR) 10.6 to 16.7). For nonoperatively treated ACL injuries, the prevalence was 40.5% (95% CI 28.9 to 53.3), with a median of follow-up of 15 years (IQR 11.7 to 20.0). The association between the year of operation and the prevalence of PTOA was weak and imprecise and not related to the choice of treatment (operative β -0.038 (95% CI -0.076 to 0.000) and nonoperative β -0.011 (95% CI -0.101 to 0.079)). Conclusion The initial injury, irrespective of management, has, by the balance of probability, resulted in PTOA within 20 years. In addition, the prevalence of PTOA has only slightly decreased during past decades. Therefore, further research is warranted to develop strategies to prevent the development of PTOA after ACL injuries.
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Affiliation(s)
- Rasmus Liukkonen
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Matias Vaajala
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Ville M Mattila
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Aleksi Reito
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
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7
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Shom P, Varma AR, Prasad R. The Anterior Cruciate Ligament: Principles of Treatment. Cureus 2023; 15:e40269. [PMID: 37448400 PMCID: PMC10336184 DOI: 10.7759/cureus.40269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 06/11/2023] [Indexed: 07/15/2023] Open
Abstract
The anterior cruciate ligament (ACL) is a crucial connective tissue in the knee joint (tibiofemoral joint). Although the surgical anatomy of this ligament has been studied and interpreted for decades, it remains a topic of discussion among surgeons. The ACL has two bundles, the anteromedial (AM) and the posterolateral (PL) bundle. ACL tears are among the most frequently sustained injuries to the tibiofemoral joint. The ACL is an important rotational stabilizer of the knee joint. The human knee joint can be classified as a complex structure, as it has many ligaments supporting its stability and ensuring required joint mobility. Previously, the outcomes of primary ACL surgery were poor; however, with time, the modalities have improved substantially. There are two methods of performing the reconstruction procedure, the single-bundle method, in which only the AM bundle is reconstructed, and the double-bundle method, in which both the AM and PL bundles of the ACL are reconstructed. Double bundle arthroscopic ACL reconstruction has been recognized as the gold standard procedure. The grafts used for the reconstruction procedure are the tendon of the patella graft and the grafts of the hamstrings. However, one of the drawbacks of performing this surgery is the development of complications, like osteoarthritis. This complication is observed majorly in sports professionals. This article aims to sum up the anatomy of the ACL, its regular tears, the various surgical aspects of managing it, and the advancement of treatment options in the past centuries. Although much has been achieved, detailed scientific studies should be carried out to improve the prognosis and decrease the risk of development of complications.
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Affiliation(s)
- Prannoy Shom
- Orthopaedics, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Anuj R Varma
- Medicine, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Roshan Prasad
- Medicine and Surgery, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
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8
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Zaffagnini S, Lucidi GA, Macchiarola L, Agostinone P, Neri MP, Marcacci M, Grassi A. The 25-year experience of over-the-top ACL reconstruction plus extra-articular lateral tenodesis with hamstring tendon grafts: the story so far. J Exp Orthop 2023; 10:36. [PMID: 37005946 PMCID: PMC10067780 DOI: 10.1186/s40634-023-00599-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 03/16/2023] [Indexed: 04/04/2023] Open
Abstract
This article presents with an evidence based approach, the kinematical rationale, biological evidence and the long term results of the "Over-The-Top" anterior cruciate ligament reconstruction with lateral plasty technique. This surgery was developed more than 25 years ago at the Rizzoli Institute by professor Marcacci and Zaffagnini and it is still widely performed in many orthopedic center worldwide.
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Affiliation(s)
- Stefano Zaffagnini
- Clinica Ortopedica E Traumatologica II, IRCCS Istituto Ortopedico Rizzoli, Via Giulio Cesare Pupilli, 1, Bologna, Italy
| | - Gian Andrea Lucidi
- Clinica Ortopedica E Traumatologica II, IRCCS Istituto Ortopedico Rizzoli, Via Giulio Cesare Pupilli, 1, Bologna, Italy
| | - Luca Macchiarola
- Ortopedia E Traumatologia, IRCCS Casa Sollievo Della Sofferenza, San Giovanni Rotondo, Italy
| | - Piero Agostinone
- Clinica Ortopedica E Traumatologica II, IRCCS Istituto Ortopedico Rizzoli, Via Giulio Cesare Pupilli, 1, Bologna, Italy.
| | - Maria Pia Neri
- Clinica Ortopedica E Traumatologica II, IRCCS Istituto Ortopedico Rizzoli, Via Giulio Cesare Pupilli, 1, Bologna, Italy
| | - Maurilio Marcacci
- Department of Biomedical Sciences, Humanitas University, IRCCS Humanitas Clinical and Research Center, Milan, Italy
| | - Alberto Grassi
- Clinica Ortopedica E Traumatologica II, IRCCS Istituto Ortopedico Rizzoli, Via Giulio Cesare Pupilli, 1, Bologna, Italy
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9
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Borque KA, Laughlin MS, Pinheiro VH, Jones M, Williams A. Rebranding the 'anatomic' ACL reconstruction: Current concepts. J ISAKOS 2023; 8:23-28. [PMID: 36435433 DOI: 10.1016/j.jisako.2022.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 10/03/2022] [Accepted: 11/11/2022] [Indexed: 11/25/2022]
Abstract
The anterior cruciate ligament (ACL) is a complex ribbon-like structure, which is approximately 3.5 times larger at the tibial and femoral insertions than at the midpoint. Accordingly, it is impossible to recreate with a single cylindrical graft. However, this has not stopped surgeons from using the term "anatomic" to describe multiple ACL reconstruction techniques inserting at a number of different locations within the original ACL footprint, causing confusion. The term "anatomic" should be discarded and replaced by an anatomic description of the tunnel placements on the tibia and femur. Current ACL reconstruction techniques cite anatomical studies that identified "direct and indirect fibres" of the ACL. The "direct fibres" bear 85-95% of the load and provide the main resistance to both anterior tibial translation and internal rotation/pivot shift. On the femur, these fibres insert in a line just posterior to the intercondylar ridge and comprise the portion of the ACL that surgeons should strive to restore. Placement of the graft just posterior to the intercondylar ridge creates a line of placement options from the anteromedial bundle to the "central" position and finally to the posterolateral bundle position. The authors prefer placing the femoral tunnel in the isometric anteromedial position and addressing a high-grade pivot shift at the IT-band with a lateral extra-articular tenodesis. As with the femoral tunnel, the native ACL footprint on the tibia is much larger than the ACL graft and thus can be placed in multiple "anatomic" locations. The authors prefer placement of the tibial tunnel in the anterior most position of the native footprint that does not cause impingement in the femoral notch. Additional research is needed to determine the ideal tunnel positions on the femur and tibia and validating the technique with patient outcomes. However, this cannot be accomplished without describing tunnel placement with specific anatomical locations so other surgeons can replicate the technique.
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Affiliation(s)
- Kyle A Borque
- Houston Methodist Hospital, Houston, TX, 77479, USA.
| | | | | | - Mary Jones
- Fortius Clinic, FIFA Medical Centre of Excellence, London, W1H 6EQ, UK
| | - Andy Williams
- Fortius Clinic, FIFA Medical Centre of Excellence, London, W1H 6EQ, UK
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10
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Volz R, Borchert GH. Re-rupture rate and the post-surgical meniscal injury after anterior cruciate ligament reconstruction with the Press-Fit-Hybrid®-technique in comparison to the interference screw technique: a retrospective analysis of 200 patients with at least 3 years follow-up. Arch Orthop Trauma Surg 2023; 143:935-949. [PMID: 35290503 PMCID: PMC9925573 DOI: 10.1007/s00402-022-04368-7] [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: 07/28/2021] [Accepted: 01/19/2022] [Indexed: 11/02/2022]
Abstract
BACKGROUND There is currently no consensus regarding the preferred surgical procedure for the reconstruction of anterior cruciate ligament (ACL). The interference screw technique is widely used, but has been associated with a risk of graft damage. The Press-Fit-Hybrid®-technique is one of the alternatives for biological ACL-reconstruction with minimal implant requirements. The hypothesis of this retrospective analysis is, that the Press-Fit-Hybrid®-technique leads to better results with respect to re-rupture rate and secondary meniscal lesion than the interference-screw-technique. METHODS To compare the re-rupture rate of the interference-screw-technique (IF) used until 2015 with the currently used Press-Fit-Hybrid®-technique (PFH), the last 100 patients of the IF-group and the first 100 patients of the PFH-group were retrospectively analyzed. Primary outcomes were re-rupture rate, complications and secondary meniscal injury. Additionally, laxity, Lachman and Pivot-shift and range of motion were evaluated. RESULTS A mean follow-up of 4.2 and 5.3 years revealed 4% and 9% re-rupture rates and 1% and 2% complication rates in the PFH- and IF-group, respectively. In the PFH-group there were no re-ruptures in patients older than 23 years. Secondary meniscal injury post-surgery was 6% and 9% for the PFH and IF-group, respectively. Knee stability was similar in both groups. Range of motion was significantly better in the PFH-group, with 136° of flexion, 6 months after surgery. CONCLUSION For ACL-reconstruction the Press-Fit-Hybrid®-technique is an alternative new method. Low level of secondary meniscal lesions after surgery and high stability, is known to prevent later arthrosis of the knee. The encouraging observed trend of the reduction of the re-rupture rate in revision surgery and in young patients using the Press-Fit-Hybrid®-technique in comparison to the interference-screw-technique must be confirmed with further studies. LEVEL OF EVIDENCE Therapeutic Level III, retrospective cohort study.
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Affiliation(s)
- Richard Volz
- Joint Practice Renz' Volz and Loewe, Center for Specialized Joint Surgery, Haegerstraße 4, 88662, Ueberlingen, Germany.
| | - Gudrun H. Borchert
- Dr. Borchert Medical Information Management, Egelsbacher Str. 39e, 63225 Langen, Germany
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11
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Lodhia P, Nazari G, Bryant D, Getgood A, McCormack R, Getgood AM, Bryant DM, Litchfield R, Willits K, Birmingham T, Hewison C, Firth AD, Wanlin S, Pinto R, Martindale A, O’Neill L, Jennings M, Daniluk M, McCormack RG, Boyer D, Zomar M, Moon K, Moon R, Fan B, Mohan B, Payne K, Heard M, Buchko GM, Hiemstra LA, Kerslake S, Tynedal J, MacDonald PB, Stranges G, Mcrae S, Gullett L, Brown H, Legary A, Longo A, Christian M, Ferguson C, Rezansoff A, Mohtadi N, Barber R, Chan D, Campbell C, Garven A, Pulsifer K, Mayer M, Peterson D, Simunovic N, Duong A, Robinson D, Levy D, Skelly M, Shanmugaraj A, Bardana D, Howells F, Tough M, Spalding T, Thompson P, Metcalfe A, Asplin L, Dube A, Clarkson L, Brown J, Bolsover A, Bradshaw C, Belgrove L, Milan F, Turner S, Verdugo S, Lowe J, Dunne D, McGowan K, Suddens CM, Verdonk PC, Declerq G, Vuylsteke K, Van Haver M. Performance of 5-Strand Hamstring Autograft Anterior Cruciate Ligament Reconstruction in the STABILITY Study: A Subgroup Analysis. Am J Sports Med 2022; 50:3502-3509. [PMID: 36260487 PMCID: PMC9630854 DOI: 10.1177/03635465221128581] [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: 01/31/2023]
Abstract
BACKGROUND Anterior cruciate ligament (ACL) reconstructions (ACLRs) with graft diameters <8mm have been shown to have higher revision rates. The 5-strand (5S) hamstring autograft configuration is a proposed option to increase graft diameter. PURPOSE To investigate the differences in clinical outcomes between 4-strand (4S) and 5S hamstring autografts for ACLR in patients who underwent ACLR alone or concomitantly with a lateral extra-articular tenodesis (LET) procedure. STUDY DESIGN Cohort study; Level of evidence, 2. METHODS Data from the STABILITY study were analyzed to compare a subgroup of patients undergoing ACLR alone or with a concomitant LET procedure (ACLR + LET) with a minimum graft diameter of 8mm that had either a 4S or 5S hamstring autograft configuration. The primary outcome was clinical failure, a composite of rotatory laxity and/or graft failure. The secondary outcome measures consisted of 2 patient-reported outcome scores (PROs)-namely, the ACL Quality of Life Questionnaire (ACL-QoL) and the International Knee Documentation Committee (IKDC) score at 24 months postoperatively. RESULTS Of the 618 patients randomized in the STABILITY study, 399 (228 male; 57%) fit the inclusion criteria for this study. Of these, 191 and 208 patients underwent 4S and 5S configurations of hamstring ACLR, respectively, with a minimum graft diameter of 8mm. Both groups had similar characteristics other than differences in anthropometric factors-namely, sex, height, and weight, and Beighton scores. The primary outcomes revealed no difference between the 2 groups in rotatory stability (odds ratio [OR], 1.19; 95% CI, 0.77-1.84; P = .42) or graft failure (OR, 1.13; 95% CI, 0.51-2.50; P = .76). There was no significant difference between the groups in Lachman (P = .46) and pivot-shift (P = .53) test results at 24 months postoperatively. The secondary outcomes revealed no differences in the ACL-QoL (P = .67) and IKDC (P = .83) scores between the 2 subgroups. CONCLUSION At the 24-month follow-up, there were no significant differences in clinical failure rates and PROs in an analysis of patients with 4S and 5S hamstring autografts of ≥8mm diameter for ACLR or ACLR + LET. The 5S hamstring graft configuration is a viable option to produce larger-diameter ACL grafts.
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Affiliation(s)
- Parth Lodhia
- Parth Lodhia, MD, University of British Columbia, 403-233
Nelson’s Crescent, New Westminster, V3L 0E4, Canada (
)
| | - Goris Nazari
- Canadian Institutes of Health Research, Ottawa,
Ontario, Canada
| | - Dianne Bryant
- The University of Western Ontario, London,
Ontario, Canada
| | - Alan Getgood
- Western Ontario University, London, Ontario,
Canada
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Michal Daniluk
- London Health Sciences Centre, Western
University, Fowler Kennedy Sport Medicine Clinic, London, Canada
| | | | | | | | | | | | | | | | - Kyrsten Payne
- Fraser Orthopaedic Institute, New Westminster,
Canada
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Michelle Mayer
- Sport Medicine Centre, University of Calgary,
Calgary, Canada
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Mieke Van Haver
- Antwerp Orthopaedic Center, Ghent,
Belgium,Investigation performed at University of
British Columbia, Vancouver, BC, Canada
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12
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Piedade SR, Leite Arruda BP, de Vasconcelos RA, Parker DA, Maffulli N. Rehabilitation And Advances In Surgical Reconstruction For Anterior Cruciate Ligament Insufficiency: What Has Changed Since The 1960s? - State Of The Art. J ISAKOS 2022:S2059-7754(22)00094-3. [PMID: 36410671 DOI: 10.1016/j.jisako.2022.10.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Revised: 03/29/2022] [Accepted: 10/10/2022] [Indexed: 11/20/2022]
Abstract
Anterior cruciate ligament (ACL) insufficiency can be disabling, given the physical and sports activity constraints that negatively impact the quality of life. Consequently, surgery is the main approach for most active patients. Nonetheless, ACL reconstruction (ACLR) cannot be successful without adequate preoperative and postoperative rehabilitation. Since the 1960s, post-ACLR rehabilitation has evolved, mainly from advances in surgery, coupled with a better understanding of the biological concepts of graft revascularization, maturation and integration, which have impacted ACL postoperative rehabilitation protocols. However, new technologies do involve a definite learning curve which could affect rehabilitation programs and produce inconsistent results. The development of rehabilitation protocols cannot be defined without an accurate diagnosis of ACL injury and considering the patient's main physical demands and expectations. This article discusses how postoperative rehabilitation following ACLR has changed from the 1960s to now, focussing on surgical technique (type of tendon graft, fixation devices, and graft tensioning), biological concepts (graft maturation and integration), rehabilitation protocols (prevention of ACL injuries, preoperative rehabilitation, postoperative rehabilitation), criteria to return to sports, patient's reported outcomes and outcome. Although rehabilitation plays an essential role in managing ACL injuries, it cannot be fully standardised preoperatively or postoperatively. Preoperative and postoperative rehabilitation should be based on an accurate clinical diagnosis, patients' understanding of their injury, graft tissue biology and biomechanics, surgical technique, the patient's physical demands and expectations, geographical differences in ACL rehabilitation and future perspectives.
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Affiliation(s)
- Sergio R Piedade
- Exercise and Sports Medicine, Department of Orthopedics, Rheumatology, and Traumatology, University of Campinas, UNICAMP, Campinas, SP, 13083-887, Brazil.
| | | | | | - David A Parker
- Sydney Orthopaedic Research Institute, Chatswood, NSW 206, Australia
| | - Nicola Maffulli
- Centre for Sports and Exercise Medicine, Barts and the London School of Medicine and Dentistry, Mile End Hospital, 275 Bancroft Road, London E1 4DG, UK
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13
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Liukkonen RJ, Ponkilainen VT, Reito A. Revision Rates After Primary ACL Reconstruction Performed Between 1969 and 2018: A Systematic Review and Metaregression Analysis. Orthop J Sports Med 2022; 10:23259671221110191. [PMID: 35958290 PMCID: PMC9358584 DOI: 10.1177/23259671221110191] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 05/11/2022] [Indexed: 11/25/2022] Open
Abstract
Background: Numerous studies, including randomized controlled trials (RCTs), have been published on the optimal graft choice for primary anterior cruciate ligament (ACL) reconstruction. Purpose: To review existing studies to investigate whether advances in orthopaedics have affected revision rates after primary ACL reconstruction. Study Design: Systematic review; Level of evidence, 4. Methods: The PubMed database was searched from inception to December 31, 2020, using the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. Patient series, observational studies, clinical trials, and registry-based studies investigating primary ACL reconstruction were included, as were high-quality RCTs from an additional study. The minimum required follow-up time for inclusion was 1 year. The primary outcome measure was the pooled prevalence of revision ACL reconstruction. The effect of the year the surgery was performed on revision rates was evaluated with metaregression analysis. All graft types were analyzed simultaneously, and all analyses were repeated separately for each graft type. Results: Overall, 330 articles with 52,878 patients were included, with a median patient age of 28 years (range, 15-57 years). The primary ACL reconstructions were performed between 1969 and 2018. At a median of 2.3 years of follow-up, the overall revision rate was 3.14% (95% CI, 2.76% to 3.56%); it was 2.71% (95% CI, 2.25% to 3.27%) for hamstring autografts, 2.38% (95% CI, 1.82% to 3.11%) for bone–patellar tendon–bone (BPTB) autografts, and 5.24% (95% CI, 4.02% to 6.80%) for other graft types. For hamstring grafts, the revision rate increased over time (year of surgery), with a 0.0434 (95% CI, 0.0150 to 0.0718) increase effect in the logit-transformed scale for every additional year. There was a slight decrease in revision rates for BPTB (β = –0.0049; 95% CI, –0.0352 to 0.0254) and other graft types (β = –0.0306; 95% CI, –0.0608 to −0.0005) over time; however, confidence intervals for BPTB included the zero change. Conclusion: Based on this systematic review and meta-analysis, ACL reconstruction is a reliable procedure with overall low historical revision rates. BPTB autograft had the lowest revision rate and a slightly decreasing trend of failures during the past 45 years, although both BPTB and hamstring autografts are reliable graft choices.
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Affiliation(s)
- Rasmus J. Liukkonen
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | | | - Aleksi Reito
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
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14
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Abstract
PURPOSE OF REVIEW The purpose of this review is to discuss treatment options, rehabilitation protocols, return-to-play criteria, and expected outcomes after non-operative and operative treatment of anterior cruciate ligament (ACL) tears among an athletic population. RECENT FINDINGS Non-operative treatment may be a viable option for some athletes with an ACL tears but can be difficult to predict "copers," and those that resume to sports return at lower performance level and/or less intense activities. Most studies assessing function after ACL reconstruction demonstrate favorable outcomes using patient-reported outcome studies. However, return-to-play and graft re-rupture rates vary substantially based on patient characteristics and level and type of athletic activity. Grafts used to reconstruct ACL produce similar objective outcomes and favorable patient-reported outcomes but have variable re-rupture rates depending on study and differ largely on morbidity associated with graft harvest. Various treatment methods including non-operative and operative techniques have been demonstrated to be efficacious in returning athletes to athletic activity depending on patient age and level of activity. Adherence to fundamental rehabilitation principles and accepted return-to-play guidelines can optimize outcomes and limit re-injury to the injured or contralateral limb.
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15
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Agarwal N, Monketh J, Volpin A. Clinical and mechanical outcomes in isolated anterior cruciate ligament reconstruction vs additional lateral extra-articular tenodesis or anterolateral ligament reconstruction. World J Orthop 2022; 13:662-675. [PMID: 36051377 PMCID: PMC9302030 DOI: 10.5312/wjo.v13.i7.662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 04/13/2022] [Accepted: 07/11/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Anterior cruciate ligament (ACL) reconstruction has been a successful treatment for ACL rupture. However ongoing rotational instability can be an issue. Several surgical techniques have been recommended to overcome this including lateral extra-articular tenodesis (LET) and more recently anterolateral ligament reconstruction (ALLR).
AIM To compare the clinical outcomes following ACL reconstruction (ACLR) alone or ACLR with either LET or ALLR.
METHODS A systematic review was conducted by means of four databases (MEDLINE, EMBASE, Cochrane and Clinical.Trials.Gov), and the Reference Citaion Analysis (https://www.referencecitationanalysis.com/) to identify all studies investigating either or both of LET and ALLR. The Critical Appraisal Skills Programme checklist for cohort studies was employed for critical appraisal and evaluation of all twenty-four studies which met the inclusion criteria.
RESULTS Pooled meta-analyses illustrated that ACLR with additional LET or ALLR results in improved pivot shift test scores, compared to isolated ACLR. There was no statistically significant difference in International Knee Documentation Committee (IKDC) clinical scores with addition of either LET or ALLR. ACL re-rupture rates were compared between LET and ALLR techniques. There was a statistically significant difference between techniques, with a 1.14% rupture rate in ACLR +ALLR, and 4.03% rupture rate in ACLR + LET. Isolated ACLR re-rupture rates were 12.59%, significantly higher than when augmented with either ALLR or LET (P < 0.0001 for both groups). There were no statistical differences in pivot shift test or IKDC scores between LET and ALLR techniques.
CONCLUSION This meta-analysis has found that use of either LET or ALLR in addition to ACLR results in improved mechanical outcomes suggesting surgeons should consider augmenting ACLR with an extra-articular procedure in patients with rotatory instability. Furthermore, both anterolateral extra articular procedures in addition to ACLR lead to reduced ACL re-rupture rates compared to isolated ACLR. Moreover, ALLR results in reduced ACL re-rupture rates, compared to LET. More research is needed to compare the two respective extra-articular procedures.
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Affiliation(s)
- Nikhil Agarwal
- Department of Trauma and Orthopaedics, University of Aberdeen, Aberdeen AB24 3FX, United Kingdom
| | - Jaibaji Monketh
- Health Education England North East, Newcastle Upon Tyne NE15 8NY, United Kingdom
| | - Andrea Volpin
- Department of Trauma and Orthopaedics, NHS Grampian, Elgin IV30 1SN, United Kingdom
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16
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Duong TD, Tran DT, Do BNT, Nguyen TT, Le SM, Le HH. All-inside arthroscopic anterior cruciate ligament reconstruction with internal brace Ligament Augmentation using semitendinosus tendon autograft: A case series. Asia Pac J Sports Med Arthrosc Rehabil Technol 2022; 29:15-21. [PMID: 35847193 PMCID: PMC9256544 DOI: 10.1016/j.asmart.2022.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 04/12/2022] [Accepted: 05/23/2022] [Indexed: 11/25/2022] Open
Abstract
Introduction and importance Anterior Cruciate Ligament (ACL) reconstruction surgery has been proven to be closely related to the graft healing process, which can last up to 12 months after surgery. In recent years, through various biomechanical and clinical studies, Internal Brace Ligament Augmentation (IBLA) has been shown to protect the graft during these early postoperative stages and improve the outcome of ACL reconstruction. We present this case series of all-inside arthroscopic anterior cruciate ligament reconstruction with IBLA using semitendinosus tendon autografts, with the goal of evaluating postoperative clinical and patient-reported outcomes. Case presentation A total of 37 patients who underwent all-inside arthroscopic anterior cruciate ligament reconstruction with IBLA using only semitendinosus tendon autografts, were evaluated, in terms of patient reported outcome and clinical assessment, during the 3, 6 and 12 months post-operative follow-up. Results: The mean Lysholm Knee score at the final follow-up was 94,03 +- 3,65 with a difference of 34,59 +- 5,52 to the baseline level. International Knee Documentation Committee (IKDC) classification rated 30 cases of grade A and 7 cases of grade B. In terms of clinical tests and knee's range of motion, all patients have returned to normal, and no cases of re-rupture or other severe complications were found. Clinical discussion Early follow-up patient reported outcomes have provided good to great results for the 37 patients who underwent all-inside arthroscopic anterior cruciate ligament reconstruction with IBLA using semitendinosus tendon autografts and no cases of graft failure or other notable complication has been discovered. Clinical findings suggest improved knee's integrity and range of movement during the early stages, which may promote early rehabilitation, however future long-term comparative studies are needed. Conclusion IBLA with all-inside ACL reconstructions using only semitendinosus autograft has provided good to great results however, future long-term comparative studies are needed.
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Affiliation(s)
- Toan D Duong
- Hanoi Medical University, Viet Nam.,VietDuc University Hospital, Hanoi, Viet Nam
| | - Dung T Tran
- Vinmec Healthcare System, Viet Nam.,VinUniversity, Viet Nam
| | | | | | - Son M Le
- VietDuc University Hospital, Hanoi, Viet Nam
| | - Ha H Le
- Bac Giang Hospital, Viet Nam
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17
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Affiliation(s)
- Vishal Rajput
- University College London Hospitals, London, UK.,The Princess Grace Hospital, London, UK
| | - Fares S Haddad
- University College London Hospitals, London, UK.,The Princess Grace Hospital, London, UK.,The NIHR Biomedical Research Centre at UCLH, London, UK.,The Bone & Joint Journal , London, UK
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18
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Feng J, Cao Y, Tan L, Liang J, He C, He J, Wu S. Anterior cruciate ligament reconstruction with lateral extra-articular tenodesis reduces knee rotation laxity and graft failure rate: A systematic review and meta-analysis. J Orthop Surg (Hong Kong) 2022; 30:10225536221095969. [PMID: 35465765 DOI: 10.1177/10225536221095969] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
PURPOSE To determine whether the addition of lateral extra-articular tenodesis (LET) to anterior cruciate ligament reconstruction (ACLR) reduces rotational laxity of the knee, and to compare the clinical results of this treatment with those of ACLR alone. METHODS PubMed, Embase, and Cochrane Library were searched by two researchers for clinical studies comparing ACLR with and without LET. Studies with only evidence levels I and II and studies in which anterior lateral ligament reconstruction was performed with grafts were excluded. The risk of bias of the studies was assessed using the Cochrane risk-of-bias and modified Downs & Black tools. The outcomes included (1) functional outcomes; (2) knee laxity measures; (3) knee injury osteoarthritis and outcome score; and (4) complications. The outcomes of the two groups were extracted, summarized and compared. RESULTS A total of 234 studies were retrieved and 223 were excluded. Eleven clinical studies with 1745 patients were included in our meta-analysis. Compared to the patients who underwent ACLR alone, the patients who underwent ACLR with LET had reduced pivot-shift (odds ratio [OR] 0.48, 95% confidence interval [CI] 0.31 to 0.74, p = 0.0009), and lower graft failure rate (OR 0.34, 95% CI 0.20 to 0.55, p < 0.0001). CONCLUSION Compared with ACLR only, ACLR combined with LET can effectively reduce rotation laxity of the knee joint, and reduce the graft failure rate in high-risk patients. However, the effects on the function and activity level of patients cannot be confirmed.
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Affiliation(s)
- Jing Feng
- Department of Orthopaedic Surgery, 504354Third Xiangya Hospital of Central South University, Changsha, China
| | - Yangbo Cao
- Department of Orthopaedic Surgery, 504354Third Xiangya Hospital of Central South University, Changsha, China
| | - Lingjie Tan
- Department of Orthopaedic Surgery, 504354Third Xiangya Hospital of Central South University, Changsha, China
| | - Jiehui Liang
- Department of Orthopaedic Surgery, 504354Third Xiangya Hospital of Central South University, Changsha, China
| | - Chunrong He
- Department of Orthopaedic Surgery, 504354Third Xiangya Hospital of Central South University, Changsha, China
| | - Jinshen He
- Department of Orthopaedic Surgery, 504354Third Xiangya Hospital of Central South University, Changsha, China
| | - Song Wu
- Department of Orthopaedic Surgery, 504354Third Xiangya Hospital of Central South University, Changsha, China
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19
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Materials Properties and Application Strategy for Ligament Tissue Engineering. J Med Biol Eng 2022. [DOI: 10.1007/s40846-022-00706-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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20
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Luo Z, Hu Y, Han Q, Gao Z, Cheng S. Safe femoral condyle range for the reverse Rigidfix femoral fixation device in anterior cruciate ligament reconstruction. BMC Musculoskelet Disord 2022; 23:288. [PMID: 35337308 PMCID: PMC8951699 DOI: 10.1186/s12891-022-05250-8] [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: 12/08/2021] [Accepted: 03/21/2022] [Indexed: 12/05/2022] Open
Abstract
Background To determine the characteristics of cross-pin protrusion in patients treated with the reverse Rigidfix femoral fixation device for femoral tunnel preparation through the anteromedial portal in Arthroscopic anterior cruciate ligament reconstruction (ACLR), analyse the reasons for this outcome, and identify safety hazards of this surgical technique for improvement. Methods A retrospective analysis of patients who underwent ACLR using this technology at our hospital in 2018 was conducted. Patients with and without cross-pin protrusion were included in the protrusion positive and negative groups, respectively. The sex, age and imaging characteristics of the patients with cross-pin protrusion were identified, and the reasons for cross-pin protrusion were analysed. Results There were 64 and 212 patients in the protrusion positive and negative groups, respectively. The proportion of cross-pin protrusion cases was 23.19% (64/276). There was a significant difference in the ratio of males to females (P < 0.001, χ2 = 185.184), the mediolateral femoral condyle diameter (protrusion positive group, 70.59 ± 2.51 mm; protrusion negative group, 82.65 ± 4.16 mm; P < 0.001, t = 28.424), and the anteroposterior diameter of the lateral femoral condyle (protrusion positive group, 58.34 ± 2.89 mm; protrusion negative group, 66.38 ± 3.53 mm; P < 0.001, t = 16.615). The cross-pins did not penetrate the lateral femoral condyle cortex in patients with a mediolateral femoral condyle diameter ≥ 76 mm, but the cross-pins definitely penetrated the cortex when the diameter was ≤ 70 mm. The cross-pins did not penetrate when the anteroposterior lateral femoral condyle diameter was ≥ 66 mm, but the cross-pins definitely penetrated it when the diameter was ≤ 59 mm. Conclusion The patients with cross-pin protrusion after reverse Rigidfix femoral fixation treatment to prepare the femoral tunnel through the anteromedial portal in ACLR were mainly females with small femoral condyles. For patients with a mediolateral femoral condyle diameter ≥ 76 mm and an anteroposterior lateral femoral condyle diameter ≥ 66 mm, there is no risk of cross-pin protrusion, so this technique can be used with confidence. Levels of evidence III. Supplementary Information The online version contains supplementary material available at 10.1186/s12891-022-05250-8.
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Affiliation(s)
- Zhongliu Luo
- The Third Clinical Medical School, Guangzhou University of Chinese Medicine, No. 232, Outer Ring East Road, Guangzhou University City, Panyu District, Guangzhou City, Guangdong Province, China.,Department of Knee Joint Sports Injury, Sichuan Provincial Orthopedic Hospital, No. 132, West Section, First Ring Road, Sichuan Province, Chengdu, China
| | - Yong Hu
- Department of Knee Joint Sports Injury, Sichuan Provincial Orthopedic Hospital, No. 132, West Section, First Ring Road, Sichuan Province, Chengdu, China.
| | - Qingmin Han
- The Third Clinical Medical School, Guangzhou University of Chinese Medicine, No. 232, Outer Ring East Road, Guangzhou University City, Panyu District, Guangzhou City, Guangdong Province, China
| | - Zhi Gao
- Department of Knee Joint Sports Injury, Sichuan Provincial Orthopedic Hospital, No. 132, West Section, First Ring Road, Sichuan Province, Chengdu, China
| | - Songmiao Cheng
- Department of Knee Joint Sports Injury, Sichuan Provincial Orthopedic Hospital, No. 132, West Section, First Ring Road, Sichuan Province, Chengdu, China
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21
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Aryana IGNW, Subawa IW, Dusak IWS, Dharmayuda CGO, Nugraha HK, Deslivia MF. Resultado funcional do procedimento de tenodese extra-articular lateral (TEL) como complemento à reconstrução do ligamento cruzado anterior: Uma metanálise. Rev Bras Ortop 2022; 57:33-40. [PMID: 35198106 PMCID: PMC8856850 DOI: 10.1055/s-0041-1736514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 06/15/2021] [Indexed: 11/06/2022] Open
Abstract
Objectives
The aim of the present study is to systematically review and analyze the functional outcome of lateral extraarticular tenodesis (LET) procedure in addition to anterior cruciate ligament reconstruction (ACLR) in studies with a high level of evidence.
Methods
We performed a literature search for clinical studies comparing the LET method as an augmentation to ACL reconstruction with ACL reconstruction alone. The primary outcomes were the International Knee Documentation Committee (IKDC) score, the Lysholm score, and graft failures. Continuous variables were reported as means and 95% confidence intervals (CIs).
Results
Six clinical studies with 1,049 patients were included in the metaanalysis. The follow-up period was, in average, 24 months (range, 6–63 months). The addition of the LET procedure to ACLR results in better functional outcome based on the IKDC score (
p
< 0.05). Graft failure was found to be lower in the ACLR plus LET group (16 of 342 patients) compared with the ACLR-only group (46 of 341 patients) (
p
< 0.05).
Conclusion
There is high-level evidence that LET procedure in addition to ACLR is preferable in terms of functional outcome and graft failure.
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Affiliation(s)
- I Gusti Ngurah Wien Aryana
- Departamento de Ortopedia e Traumatologia, Faculdade de Medicina Udayana University, Sanglah General Hospital, Bali, Indonésia
| | - I Wayan Subawa
- Departamento de Ortopedia e Traumatologia, Faculdade de Medicina Udayana University, Sanglah General Hospital, Bali, Indonésia
| | - I Wayan Suryanto Dusak
- Departamento de Ortopedia e Traumatologia, Faculdade de Medicina Udayana University, Sanglah General Hospital, Bali, Indonésia
| | - Cokorda Gde Oka Dharmayuda
- Departamento de Ortopedia e Traumatologia, Faculdade de Medicina Udayana University, Sanglah General Hospital, Bali, Indonésia
| | - Hans Kristian Nugraha
- Departamento de Ortopedia e Traumatologia, Faculdade de Medicina Udayana University, Sanglah General Hospital, Bali, Indonésia
| | - Maria Florencia Deslivia
- Departamento de Ortopedia e Traumatologia, Faculdade de Medicina Udayana University, Sanglah General Hospital, Bali, Indonésia
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22
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White AE, Van Nest D, Tjoumakaris FP, Freedman KB. Journey around the Notch: A Systematic Review on the History of ACL Reconstruction in the United States. J Knee Surg 2022; 35:61-71. [PMID: 32483799 DOI: 10.1055/s-0040-1712947] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The evolution of anterior cruciate ligament (ACL) surgery, seemingly circular at times, informs and provides context for past and current controversies in ACL management. The purpose of this systematic review is to objectively summarize the historical course of ACL reconstruction and repair in the United States over the last 40 years. Femoral tunnel drilling and graft selection have evolved dramatically over the last few decades. An initial focus on restoring ACL anatomy was for a period sacrificed for decreased operative morbidity. However, recent developments in operative techniques aim to restore ACL anatomy while also achieving minimal operative morbidity. Despite this historically iterative process, there remains no perfect choice for the treatment of ACL tears. Continued research on ACL repair, anatomic graft placement, graft choice, and augmentation will help our patients over the next generation.
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Affiliation(s)
- Alex E White
- Department of Orthopedic Surgery, Hospital for Special Surgery, New York, New York
| | - Duncan Van Nest
- Department of Orthopedic Surgery, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Fotios P Tjoumakaris
- Department of Orthopedic Surgery, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Kevin B Freedman
- Department of Orthopedic Surgery, The Rothman Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
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Moran TE, Ignozzi AJ, Werner BC. Comparing the Use of Flexible and Rigid Reaming Systems Through an Anteromedial Portal for Femoral Tunnel Creation During Anterior Cruciate Ligament Reconstruction: A Systematic Review. Orthop J Sports Med 2021; 9:23259671211035741. [PMID: 34631903 PMCID: PMC8493321 DOI: 10.1177/23259671211035741] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 04/14/2021] [Indexed: 11/17/2022] Open
Abstract
Background Recent studies have suggested that femoral tunnel drilling during anterior cruciate ligament (ACL) reconstruction (ACLR) with the use of a flexible reaming system through a standard anteromedial portal (AM-FR) may result in a different tunnel geometry compared with a rigid reamer through an accessory anteromedial portal with hyperflexion (AM-RR). Purpose To summarize radiologic, anatomic, and clinical outcomes from available studies that directly compared the use of AM-FR versus AM-RR for independent femoral tunnel creation during ACLR. Study Design Systematic review; Level of evidence, 4. Methods A literature search was performed using the MEDLINE (PubMed) and Web of Science databases to identify all studies that directly compared radiologic, anatomic, and clinical outcomes between the use of AM-FR and AM-RR. The literature search, data recording, and methodological quality assessment was performed by 2 independent reviewers. The outcomes analyzed included resultant ACL graft positioning and graft bending angle; femoral tunnel positioning, aperture morphology, length, and widening; posterior wall breakage; and distance from various posterolateral knee structures. Results A total of 13 studies met the eligibility criteria for inclusion. There was no difference in femoral tunnel aperture location between techniques. There were conflicting findings among studies regarding which technique resulted in a more acute graft bending angle. One study reported greater femoral tunnel widening upon follow-up with the use of AM-FR. AM-FR produced longer and more anteverted femoral tunnels than did AM-RR. The difference in tunnel length was significant and more prominent in lesser degrees of knee flexion. With AM-FR, femoral tunnels were farther from the lateral collateral ligament and peroneal nerve, and 1 of 5 studies had fewer reports of posterior wall breakage. There has been no literature comparing the clinical or functional outcomes of these techniques. Conclusion Although no clinical studies exist comparing AM-FR and AM-RR for femoral tunnel creation during ACLR, both systems allow for reproducible positioning of an anatomic femoral tunnel aperture. The use of AM-FR results in longer and more anteverted femoral tunnels than using AM-RR, with exit points on the lateral femur that are different but safe. Surgeons should be aware of the technical differences with each method; however, further study is needed to identify any clinically important difference that results.
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Affiliation(s)
- Thomas E Moran
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia, USA
| | - Anthony J Ignozzi
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia, USA
| | - Brian C Werner
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia, USA
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Feller JA, Devitt BM, Webster KE, Klemm HJ. Augmentation of Primary ACL Reconstruction With a Modified Ellison Lateral Extra-articular Tenodesis in High-Risk Patients: A Pilot Study. Orthop J Sports Med 2021; 9:23259671211021351. [PMID: 34409112 PMCID: PMC8366134 DOI: 10.1177/23259671211021351] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 03/18/2021] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND Lateral extra-articular tenodesis (LET) has been used to augment primary anterior cruciate ligament (ACL) reconstruction to reduce the risk of reinjury. Most LET procedures result in a construct that is fixed to both the femur and the tibia. In a modified Ellison procedure, the construct is only fixed distally, reducing the risk of inadvertently overconstraining the lateral compartment. PURPOSE To evaluate the use of the modified Ellison procedure in a cohort of patients deemed to be at a high risk of further ACL injury after primary ACL reconstruction. STUDY DESIGN Case series; Level of evidence, 4. METHODS Included were 25 consecutive patients with at least 2 of the following risk factors: age <20 years at the time of surgery, previous contralateral ACL reconstruction, positive family history of ACL rupture (parent or sibling), generalized ligamentous laxity (Beighton ≥4), grade 3 pivot shift in the consulting room, a desire to return to a pivoting sport, and an elite or professional status. All patients underwent primary ACL reconstruction with an additional modified Ellison procedure. Postoperatively, patients completed the IKDC subjective knee evaluation form (International Knee Documentation Committee), KOOS Quality of Life subscale (Knee injury and Osteoarthritis Outcome Score), ACL-Return to Sport After Injury Scale, Marx Activity Rating Scale, and SANE score (Single Assessment Numeric Evaluation). RESULTS At 12-month follow-up, the mean outcome scores were as follows: SANE, 94/100; IKDC, 92/100; Marx, 13/16; ACL-Return to Sport, 85/100; and KOOS, 77/100. At 24 months, return-to-sport data were available for 23 of 25 patients; 17 (74%) were playing at the same level or higher than preinjury and 2 at a lower level. One patient (4%) sustained a contact mechanism graft rupture at 12 months. There were 2 (9%) contralateral ACL injuries, including 1 ACL graft rupture, at 11 and 22 months postoperatively. There was a further contralateral ACL graft rupture at 26 months. CONCLUSION The use of the modified Ellison procedure as a LET augmentation of a primary ACL reconstruction to produce a low graft rupture rate appeared to be safe in a cohort considered to be at a high risk of reinjury. The procedure showed promise in terms of reducing further graft injuries.
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Affiliation(s)
- Julian A. Feller
- OrthoSport Victoria Research Unit, Epworth HealthCare, Melbourne, Australia
| | - Brian M. Devitt
- OrthoSport Victoria Research Unit, Epworth HealthCare, Melbourne, Australia
| | - Kate E. Webster
- School of Allied Health, La Trobe University, Melbourne, Australia
| | - Haydn J. Klemm
- OrthoSport Victoria Research Unit, Epworth HealthCare, Melbourne, Australia
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Kobayashi EF, Tang K, Grant JA. Is ACL Repair Really Back? A Review of Modern Techniques. OPER TECHN SPORT MED 2021. [DOI: 10.1016/j.otsm.2021.150828] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Jacquet C, Pioger C, Seil R, Khakha R, Parratte S, Steltzlen C, Argenson JN, Pujol N, Ollivier M. Incidence and Risk Factors for Residual High-Grade Pivot Shift After ACL Reconstruction With or Without a Lateral Extra-articular Tenodesis. Orthop J Sports Med 2021; 9:23259671211003590. [PMID: 33997078 PMCID: PMC8113945 DOI: 10.1177/23259671211003590] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Accepted: 12/04/2020] [Indexed: 01/26/2023] Open
Abstract
Background Residual rotatory knee laxity at midterm follow-up after isolated anterior cruciate ligament reconstruction (ACLR) versus ACLR with lateral extra-articular tenodesis (LET) remains an issue. Purpose/Hypothesis To evaluate the outcomes of ACLR with or without additional LET at a minimum 2-year follow-up in patients with preoperative high-grade pivot shift (PS). Our hypothesis was that the addition of LET would decrease the risk of secondary meniscal injury and the presence of residual high-grade PS at follow-up. Study Design Cohort study; Level of evidence, 3. Methods A retrospective analysis performed at 3 sports medicine centers identified 266 study patients; all had a high-grade PS (grade 2 or 3) preoperatively and underwent isolated ACLR with or without LET. Four different ACLR techniques were used: single-strand quadrupled semitendinosus (ST4) ACLR without LET (ST4 group; n = 55), ST4 with anatomic LET (ST4+LET group; n = 77), bone-patellar tendon and modified Lemaire LET (BTB+LET group; n = 43), and quadriceps tendon and modified Lemaire LET (QT+LET group; n = 91). At follow-up, we evaluated for the presence of high-grade (grade ≥2) PS. Preoperative meniscal tears and their treatment were recorded. Results Overall, 185 (69.5%) patients had at least 1 meniscal tear at index surgery. The mean follow-up period was 44.3 months; 47 (17.7%) patients had a new meniscal tear and 64 (24%) patients had a high-grade PS at follow-up. Compared with meniscal repair, significant predictors for high-grade PS at follow-up were meniscectomy (odds ratio [OR] = 2.65 [95% CI, 1.19-5.63]; P = .02) and nonrepair of preoperative meniscal tear (OR = 3.26 [95% CI, 1.27-9.43]; P = .007). The appearance of a new symptomatic meniscal tear was the strongest significant predictor of high-grade PS at follow-up (OR = 4.31 [95% CI, 2.31-8.06]; P < .001). No significant correlation was observed between the addition of LET and the presence of high-grade PS at follow-up. Conclusion In the current study, 1 in 4 patients with high-grade PS before ACLR with or without LET was at risk of residual rotatory knee laxity at mean 44-month follow-up, regardless of the technique used. Repairing a pre-existing meniscal lesion was more effective than performing LET to decrease the presence of a high-grade PS at follow-up.
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Affiliation(s)
- Christophe Jacquet
- Institute of Movement and Locomotion, Department of Orthopedics and Traumatology, St Marguerite Hospital, Marseille, France
| | - Charles Pioger
- Institute of Movement and Locomotion, Department of Orthopedics and Traumatology, St Marguerite Hospital, Marseille, France
| | - Romain Seil
- Orthopaedic Department, CH Luxembourg, Luxembourg
| | - Raghbir Khakha
- Institute of Movement and Locomotion, Department of Orthopedics and Traumatology, St Marguerite Hospital, Marseille, France
| | | | - Camille Steltzlen
- Orthopaedic Department CH Mignot, rue de Versailles, Le Chesnay, France
| | - Jean-Noel Argenson
- Institute of Movement and Locomotion, Department of Orthopedics and Traumatology, St Marguerite Hospital, Marseille, France
| | - Nicolas Pujol
- Orthopaedic Department CH Mignot, rue de Versailles, Le Chesnay, France
| | - Matthieu Ollivier
- Institute of Movement and Locomotion, Department of Orthopedics and Traumatology, St Marguerite Hospital, Marseille, France
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Cai J, Xu J, Kang Y, Li Y, Wang L, Yan X, Jiang J, Zhao J. Acceleration of ligamentization and osseointegration processes after anterior cruciate ligament reconstruction with autologous tissue-engineered polyethylene terephthalate graft. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:770. [PMID: 34268383 PMCID: PMC8246152 DOI: 10.21037/atm-20-8048] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 03/05/2021] [Indexed: 12/18/2022]
Abstract
Background Despite the advantages of excellent mechanical properties for rapid return to sports and early rehabilitation after anterior cruciate ligament (ACL) reconstruction with polyethylene terephthalate (PET) artificial ligament, the graft failure rate during long-term follow-up is relatively high due to poor graft-host incorporation. The purpose of the present study was to investigate the effect of autologous tissue-engineered PET (ATE-PET) grafts on osseointegration and ligamentization after ACL reconstruction. Methods Forty-eight New Zealand white rabbits were randomly divided into PET group (n=24) and ATE-PET group (n=24). In the ATE-PET group, the rabbits initially underwent subcutaneous implantation of the PET ligament. Two weeks later, unilateral ipsilateral ACL reconstruction was performed using an ATE-PET graft. In the PET group, the rabbits underwent ACL reconstruction using PET grafts as controls. Macroscopic observation, micro-computed tomography, histological and immunofluorescent staining, and biomechanical tests were conducted to evaluate the effects at 4 and 12 weeks postoperatively. Results The ATE-PET graft was highly pre-vascularized with myofibroblast aggregation after two weeks of subcutaneous implantation. With regard to the intraosseous part of the graft, the ATE-PET group had significantly higher bone mineral density and bone volume/total volume ratio at 12 weeks. Histologically, the width of the interface between the graft and bone was smaller. Regarding the intra-articular part, thicker tissue coverage with a glossy appearance was observed in the ATE-PET group at 12 weeks on macroscopic observation. Histological staining also showed more collagen fibers grew in the grafts with fewer inflammatory reactions of the ATE-PET group at both 4 and 12 weeks. Immunofluorescently, both α-SMA-positive vessels and α-SMA-positive myofibroblasts were found to be significantly greater around the graft in the ATE-PET group at 4 weeks and markedly declined at 12 weeks. Moreover, the ATE-PET group presented significantly greater failure load and stiffness than the PET group at 12 weeks (53.7±5.4 vs. 42.5±4.5 N, P<0.01; 12.9±3.0 vs. 9.8±1.3 N/mm, P=0.04). Conclusions The ATE-PET artificial ligament with pre-vascularization and myofibroblast aggregation could effectively accelerate intra-articular graft ligamentization and intraosseous graft osseointegration, thus enhancing the biomechanical properties after ACL reconstruction in a rabbit model.
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Affiliation(s)
- Jiangyu Cai
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.,State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, China
| | - Junjie Xu
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Yuhao Kang
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Yufeng Li
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Liren Wang
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Xiaoyu Yan
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Jia Jiang
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Jinzhong Zhao
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
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Hamstrings substitution via anteromedial portal with optional anterolateral ligament reconstruction is the preferred surgical technique for anterior cruciate ligament reconstruction: a survey among ESSKA members. Knee Surg Sports Traumatol Arthrosc 2021; 29:1120-1127. [PMID: 32591846 DOI: 10.1007/s00167-020-06107-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 06/11/2020] [Indexed: 12/31/2022]
Abstract
PURPOSE The objective of this study was to report on a worldwide web-based survey among the ESSKA community developed to investigate current recommendations regarding ACL reconstruction surgical procedures. METHODS All contacts in the official mailing list of the ESSKA were contacted to investigate preferences regarding graft type, anterolateral ligament reconstruction, femoral tunnel drilling technique, single-bundle vs double-bundle technique, femoral and tibial fixation methods. RESULTS Eight-hundred and twenty responses were analyzed. Hamstrings autograft was the graft of choice in male patients for 634 (79%) and in female patients for 674 (84%) responders, while its preference for ACL reconstruction in professional athletes was for 401 (50%). 480 (63%) surgeons surveyed would include anterolateral ligament reconstruction only if diagnosed and remaining instability after ACL surgery or revision. 598 (75%) respondents were in favor of anteromedial portal for femoral tunnel drilling. The most popular femoral fixation technique was found to be cortical suspension (500-66%), while a compression system was preferred on the tibial side by 537 (71% of the sample). CONCLUSIONS This survey study found that HT autograft, single-bundle reconstruction, anteromedial portal for femoral tunnel drilling, cortical suspension systems for femoral fixation and compression systems for tibial fixation represent the current standard of ACLR in a large community of orthopedic surgeons. The present study performed with surgeons who are members of the ESSKA community will help to comprehend the actual ACLR worldwide practice patterns. Due to low response rate, these results should be interpreted with caution and not to be intended to represent the state of the art of ESSKA community. LEVEL OF EVIDENCE III.
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29
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Anterior Cruciate Ligament Repair: Historical Perspective, Indications, Techniques, and Outcomes. J Am Acad Orthop Surg 2020; 28:963-971. [PMID: 33962444 DOI: 10.5435/jaaos-d-20-00077] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 07/19/2020] [Indexed: 02/01/2023] Open
Abstract
Anterior cruciate ligament (ACL) repair was first reported in 1895 by Sir Arthur Mayo-Robson. Open primary ACL repair was performed throughout the 1970s and 1980s; however, rerupture rates were as high as 50% at mid-term follow-up. Throughout the 1980s and 1990s, synthetic graft materials received consideration; however, the outcomes were abysmal. Recently, with a better understanding of ACL healing and improvement in technique, there has been renewed interest in ACL repair. The potential advantages of ACL repair include improvements in knee kinematics and proprioception, avoiding graft harvest, and preserving bone stock. Although recent data on short-term outcomes suggest potential in properly indicated patients, medium- and long-term outcomes are largely unknown. ACL repair has the greatest potential in cases of proximal ACL rupture (modified Sherman type I and II proximal tears). Repair of midsubstance tears (modified Sherman type III tears) should be avoided. Caution is advised in athletes and younger patients because of higher failure rates. Today, ACL repair remains controversial and should be performed with caution because of limited medium- and long-term outcomes.
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Hughes JD, Lawton CD, Nawabi DH, Pearle AD, Musahl V. Anterior Cruciate Ligament Repair: The Current Status. J Bone Joint Surg Am 2020; 102:1900-1915. [PMID: 32932291 DOI: 10.2106/jbjs.20.00509] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Jonathan D Hughes
- UPMC Freddie Fu Sports Medicine Center, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Cort D Lawton
- Sports Medicine Institute, Hospital for Special Surgery, New York, NY
| | - Danyal H Nawabi
- Sports Medicine Institute, Hospital for Special Surgery, New York, NY
| | - Andrew D Pearle
- Sports Medicine Institute, Hospital for Special Surgery, New York, NY
| | - Volker Musahl
- UPMC Freddie Fu Sports Medicine Center, University of Pittsburgh, Pittsburgh, Pennsylvania
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Sherifi I, Bachy M, Laumonier T, Petite H, Hannouche D. Use of supercritical carbon dioxide technology for fabricating a tissue engineering scaffold for anterior cruciate ligament repair. Sci Rep 2020; 10:14030. [PMID: 32820218 PMCID: PMC7441384 DOI: 10.1038/s41598-020-70994-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Accepted: 08/04/2020] [Indexed: 01/05/2023] Open
Abstract
Tissue-engineered grafts may be useful in Anterior Cruciate Ligament (ACL) repair and provide a novel, alternative treatment to clinical complications of rupture, harvest site morbidity and biocompatibility associated with autografts, allografts and synthetic grafts. We successfully used supercritical carbon dioxide (Sc-CO2) technology for manufacturing a “smart” biomaterial scaffold, which retains the native protein conformation and tensile strength of the natural ACL but is decellularized for a decreased immunogenic response. We designed and fabricated a new scaffold exhibiting (1) high tensile strength and biomechanical properties comparable to those of the native tissue, (2) thermodynamically-stable extra-cellular matrix (ECM), (3) preserved collagen composition and crosslinking, (4) a decellularized material milieu with potential for future engineering applications and (5) proven feasibility and biocompatibility in an animal model of ligament reconstruction. Because of the “smart” material ECM, this scaffold may have the potential for providing a niche and for directing stem cell growth, differentiations and function pertinent to new tissue formation. Sc-CO2-related technology is advanced and has the capability to provide scaffolds of high strength and durability, which sustain a lifetime of wear and tear under mechanical loading in vivo.
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Affiliation(s)
- Ines Sherifi
- Laboratoire de Bioingénierie et Biomécanique Ostéo-Articulaire (B2OA), UMR, CNRS 7052, Paris 7 University, Paris, France.,Division of Cardiology, Department of Medicine, Weill Cornell Medical College, New York Presbyterian Hospital, New York, NY, USA
| | - Manon Bachy
- Laboratoire de Bioingénierie et Biomécanique Ostéo-Articulaire (B2OA), UMR, CNRS 7052, Paris 7 University, Paris, France.,Department of Pediatric Orthopaedic Surgery, AP-HP, Hôpital Trousseau, Paris, France
| | - Thomas Laumonier
- Department of Orthopaedic Surgery, Faculty of Medicine, Geneva University Hospitals, Avenue Gabrielle Perret Gentil 4, 1205, Geneva, Switzerland
| | - Hervé Petite
- Laboratoire de Bioingénierie et Biomécanique Ostéo-Articulaire (B2OA), UMR, CNRS 7052, Paris 7 University, Paris, France
| | - Didier Hannouche
- Laboratoire de Bioingénierie et Biomécanique Ostéo-Articulaire (B2OA), UMR, CNRS 7052, Paris 7 University, Paris, France. .,Department of Orthopaedic Surgery, Faculty of Medicine, Geneva University Hospitals, Avenue Gabrielle Perret Gentil 4, 1205, Geneva, Switzerland.
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van Groningen B, van der Steen M, Janssen DM, van Rhijn LW, van der Linden AN, Janssen RP. Assessment of Graft Maturity After Anterior Cruciate Ligament Reconstruction Using Autografts: A Systematic Review of Biopsy and Magnetic Resonance Imaging studies. Arthrosc Sports Med Rehabil 2020; 2:e377-e388. [PMID: 32875303 PMCID: PMC7451875 DOI: 10.1016/j.asmr.2020.02.008] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 02/18/2020] [Indexed: 12/16/2022] Open
Abstract
Purpose The purpose of this investigation was to evaluate systematically the literature concerning biopsy, MRI signal to noise quotient (SNQ) and clinical outcomes in graft-maturity assessment after autograft anterior cruciate ligament reconstruction (ACLR) and their possible relationships. Methods The systematic review was reported and conducted according to the PRISMA (Preferred Reporting Items for Systematic reviews and Meta-Analyses) guidelines. Studies through May 2019 evaluating methods of intra-articular ACL autograft maturity assessment were considered for inclusion. Eligible methods were histologic studies of biopsy specimens and conventional MRI studies reporting serial SNQ and/or correlation with clinical parameters. Results Ten biopsy studies and 13 imaging studies, with a total of 706 patients, met the inclusion criteria. Biopsy studies show that graft remodeling undergoes an early healing phase, a phase of remodeling or proliferation and a ligamentization phase as an ongoing process even 1 year after surgery. Imaging studies showed an initial increase in SNQ, peaking at approximately 6 months, followed by a gradual decrease over time. There is no evident correlation between graft SNQ and knee stability outcome scores at the short- and long-term follow-up after ACLR. Conclusions The remodeling of the graft is an ongoing process even 1 year after ACLR, based on human biopsy studies. MRI SNQ peaked at approximately 6 months, followed by a gradual decrease over time. Heterogeneity of the MRI methods and technical restrictions used in the current literature limit prediction of graft maturity and clinical and functional outcome measures by means of MRI graft SNQ after ACLR. Level of evidence Level IV, systematic review, including level III and IV studies.
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Affiliation(s)
- Bart van Groningen
- Orthopaedic Center Máxima, Máxima Medical Center, Eindhoven, the Netherlands
- Address correspondence to Bart van Groningen, M.D., Orthopaedic Center Máxima, Máxima Medical Center, PO Box 90052, 5600 PD Eindhoven, the Netherlands.
| | - M.C. van der Steen
- Orthopaedic Center Máxima, Máxima Medical Center, Eindhoven, the Netherlands
- Department of Orthopaedic Surgery, Catharina Hospital Eindhoven, Eindhoven, the Netherlands
| | - Daan M. Janssen
- Orthopaedic Center Máxima, Máxima Medical Center, Eindhoven, the Netherlands
| | - Lodewijk W. van Rhijn
- Department of Orthopaedic Surgery, Maastricht University Medical Center, Maastricht, the Netherlands
| | | | - Rob P.A. Janssen
- Orthopaedic Center Máxima, Máxima Medical Center, Eindhoven, the Netherlands
- Fontys University of Applied Sciences, Eindhoven, the Netherlands
- Orthopaedic Biomechanics, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands
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Castoldi M, Magnussen RA, Gunst S, Batailler C, Neyret P, Lustig S, Servien E. A Randomized Controlled Trial of Bone-Patellar Tendon-Bone Anterior Cruciate Ligament Reconstruction With and Without Lateral Extra-articular Tenodesis: 19-Year Clinical and Radiological Follow-up. Am J Sports Med 2020; 48:1665-1672. [PMID: 32368935 DOI: 10.1177/0363546520914936] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Arthroscopic anterior cruciate ligament (ACL) reconstruction (ACLR) with a bone-patellar tendon-bone graft (BTB) is a reliable surgical option for the control of anterior knee laxity after ACL injury. The addition of a lateral extra-articular tenodesis (LET) may improve control of rotation knee laxity and improve short-term graft survival in high-risk patients. PURPOSE The aims of this study were to compare long-term patient-reported outcomes, graft survival, and risk of osteoarthritis between ACLR with and without LET. STUDY DESIGN Randomized controlled trial; Level of evidence, 2. METHODS This study included 121 consecutive knees (120 patients) presenting to a single center with an ACL rupture between 1998 and 1999. In total, 61 knees were randomized to an isolated BTB ACLR, and 60 knees were randomized to a BTB ACLR with an extra-articular lateral tenodesis with gracilis tendon (modified Lemaire). RESULTS Eighty knees in 79 patients (66%) were available for follow-up at a postoperative mean of 19.4 years (range, 19-20.2). Of those patients, 43 had a clinical examination and completed patient-reported outcome questionnaires, and the other 37 patients were evaluated through the questionnaires alone. Standard radiographs were available for 45 patients and laximetry (TELOS) for 42 patients. Mean subjective International Knee Documentation Committee score at last follow-up was 81.8, and no differences were noted between the BTB and BTB-LET groups (P = .7). Two-thirds of patients were still participating in pivoting sports. A total of 17 knees (21%) experienced a graft failure, 5 of which (6%) underwent revision ACLR. There was no significant difference in graft failure risk between the BTB group (29%) and the BTB-LET group (13%; P = .1). Lateral tibiofemoral osteoarthritis was significantly more frequent in the BTB-LET group (59%) as compared with the BTB group (22%; P = .02). Lateral compartment osteoarthritis was correlated with partial lateral meniscectomy. CONCLUSION There were no significant differences in long-term patient-reported outcomes after ACLR with or without an LET. LET may increase the risk of lateral compartment osteoarthritis at long-term follow-up. There was a trend toward decreased graft failure risk with the addition of LET but this study was underpowered to assess this outcome.
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Affiliation(s)
- Marie Castoldi
- Institut Universitaire Locomoteur et du Sport, Department of Orthopaedic Surgery, Centre Hospitalo-Universitaire de Nice, Nice, France
| | - Robert A Magnussen
- Department of Orthopaedics, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - Stanislas Gunst
- Department of Orthopedic Surgery and Sport Medicine, Croix-Rousse Hospital, FIFA Medical Center of Excellence, Lyon, France
| | - Cécile Batailler
- Department of Orthopedic Surgery and Sport Medicine, Croix-Rousse Hospital, FIFA Medical Center of Excellence, Lyon, France
| | | | - Sébastien Lustig
- Department of Orthopedic Surgery and Sport Medicine, Croix-Rousse Hospital, FIFA Medical Center of Excellence, Lyon, France
| | - Elvire Servien
- Department of Orthopedic Surgery and Sport Medicine, Croix-Rousse Hospital, FIFA Medical Center of Excellence, Lyon, France.,EA 7424-Inter-university Laboratory of Human Movement Science, University Lyon 1, Lyon, France
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Hagemans FJA, van Overvest KLJ, Zijl JAC, Meuffels DE. Four-strand hamstring graft is stiffer than a tripled semitendinosus graft in anterior cruciate ligament reconstruction: a cadaveric study. J Exp Orthop 2020; 7:37. [PMID: 32462522 PMCID: PMC7253562 DOI: 10.1186/s40634-020-00254-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 05/13/2020] [Indexed: 01/11/2023] Open
Abstract
Purpose The aim of this study was to compare the biomechanics of a four-strand hamstring graft with a tripled semitendinosus graft, with and without adjustable extra-cortical button fixation, in a cadaveric model. Methods Four groups of 10 cadaveric hamstrings were tested: In group A, a tripled semitendinosus graft fixated with two adjustable extra-cortical buttons; in Group B, a four-strand semitendinosus and gracilis graft fixated with an adjustable extra-cortical button and a clamp; in group C, a tripled semitendinosus graft fixated to a steel hook and a clamp; in group D, a four-strand semitendinosus and gracilis graft fixated to a steel hook and a clamp. Each group was submitted to a cyclic loading test (1000 cycles between 50 and 250 Newton at a frequency of 0.5 hertz) and a load-to-failure test. Primary outcomes were ultimate failure load and stiffness. Secondary outcomes were graft elongation and graft diameter. Results There was no difference in ultimate failure load among groups. Group B achieved a median stiffness of 171 N/mm (interquartile range [IQR] 139–204) which was significantly higher than Group A (median 103 N/mm (74–119), p < 0.01). Group B showed more cyclic elongation (4.1 mm (3.4–5.7)) compared to group D (2.3 mm (1.9–3.0)), and also lower stiffness was noted (171 N/mm (139–204) vs 265 N/mm (227–305)). There was no difference in graft diameter among groups. Conclusions The results of this study indicate that higher stiffness can be achieved using four-strand hamstring tendon grafts compared to tripled semitendinosus grafts when using femoral extra-cortical buttons, despite comparable graft diameters. Thereby, the use of adjustable extra-cortical fixation devices may result in more cyclic elongation and lower stiffness of the graft.
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Affiliation(s)
- Frans J A Hagemans
- Department of Orthopaedics and Centre for Orthopaedic Research Alkmaar (CORAL), Northwest clinics, Wilhelminalaan 12, NL - 1815 JD, Alkmaar, The Netherlands. .,Department of Orthopaedic Surgery, Erasmus MC, University Medical Centre Rotterdam, the Netherlands, Doctor Molewaterplein 40, NL- 3015 GD, Rotterdam, The Netherlands.
| | - Karlijn L J van Overvest
- Department of Orthopaedic Surgery, Antonius Hospital, Nieuwegein Koekoekslaan 1, NL - 3435 CM, Nieuwegein, The Netherlands
| | - Jacco A C Zijl
- Department of Orthopaedic Surgery, Antonius Hospital, Nieuwegein Koekoekslaan 1, NL - 3435 CM, Nieuwegein, The Netherlands
| | - Duncan E Meuffels
- Department of Orthopaedic Surgery, Erasmus MC, University Medical Centre Rotterdam, the Netherlands, Doctor Molewaterplein 40, NL- 3015 GD, Rotterdam, The Netherlands
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Wang B, Zhong JL, Xu XH, Shang J, Lin N, Lu HD. Incidence and risk factors of joint stiffness after Anterior Cruciate Ligament reconstruction. J Orthop Surg Res 2020; 15:175. [PMID: 32410648 PMCID: PMC7227360 DOI: 10.1186/s13018-020-01694-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 04/29/2020] [Indexed: 01/08/2023] Open
Abstract
Background Joint stiffness is a common complication after anterior cruciate ligament (ACL) reconstruction, which seriously affects the efficacy of the operation and patient satisfaction. After ACL reconstruction, the identification of joint stiffness’ risk factors can help its prevention. This meta-analysis was conducted to evaluate joint stiffness’ risk factors and incidence after ACL reconstruction and provide guidance on its prevention. Methods PubMed, Embase, and Cochrane Library were searched to obtain relevant studies. The odds ratios (ORs) with 95% confidence intervals (CIs) for all potential risk factors were analyzed using fixed or random-effects meta-analysis in RevMan 5.2. Results In total, there were 37 studies and 113,740 patients that were included in this study. After ACL reconstruction, joint stiffness’ incidence negatively correlated with the studies publication time (R = −0.62, P = 0.0094). After ACL reconstruction, the joint stiffness overall pooled incidence was 3% (95% CI, 3-4%). Gender (OR, 0.51; 95% CI, 0.38-0.68; P < 0.00001) was identified as a risk factor. Potential risk factors, such as trauma to surgery time interval, graft type, and concomitant surgery with meniscus injury, have no significant correlation with joint stiffness after ACL reconstruction. Conclusion This study indicated that joint stiffness’ incidence after ACL reconstruction is 3% and that gender is a risk factor for joint stiffness after ACL reconstruction.
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Affiliation(s)
- Bin Wang
- Department of Orthopaedics, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, 519000, Guangdong, China
| | - Jun-Long Zhong
- Department of Orthopaedics, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, 519000, Guangdong, China
| | - Xiang-He Xu
- Department of Orthopaedics, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, 519000, Guangdong, China
| | - Jie Shang
- Department of Orthopaedics, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, 519000, Guangdong, China
| | - Nan Lin
- Department of Orthopaedics, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, 519000, Guangdong, China
| | - Hua-Ding Lu
- Department of Orthopaedics, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, 519000, Guangdong, China.
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Editorial Commentary: The Epic Saga of the Anterior Cruciate Ligament and Anterolateral Complex of the Knee-Loyal Sidekick May Provide Protection Without Constraint. Arthroscopy 2020; 36:1374-1375. [PMID: 32370899 DOI: 10.1016/j.arthro.2020.02.042] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 02/29/2020] [Indexed: 02/02/2023]
Abstract
There is a vast amount of conflicting literature evaluating the anatomic, biomechanical, and clinical outcomes of combined anterior cruciate ligament (ACL) and anterolateral complex injury. This has become-and remains-one of the most controversial topics in the ACL-deficient knee literature, thus requiring further inquiry with clear and systematic approaches to biomechanical analysis, indications, graft selection, surgical technique, and clinical outcome evaluation. The considerable variety of procedures to address anterolateral rotatory instability in the setting of ACL deficiency described in the literature strongly suggests the lack of a reliable and reproducible technique. Anterolateral complex reconstruction may provide protection to the ACL-reconstructed knee without detrimental overconstraint.
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Rothrauff BB, Kondo E, Siebold R, Wang JH, Yoon KH, Fu FH. Anterior cruciate ligament reconstruction with remnant preservation: current concepts. J ISAKOS 2020. [DOI: 10.1136/jisakos-2019-000321] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Anterior cruciate ligament (ACL) tears are a common knee injury, and anatomic ACL reconstruction (ACLR) is now the standard of care to restore knee stability. Nevertheless, re-tear rates exceeding 5% are commonly reported, with an even higher percentage of patients unable to achieve preinjury knee function. As the torn ACL remnant contains elements (eg, cells, blood vessels and mechanoreceptors) essential to ACL function, it has been hypothesised that ACLR with remnant preservation may improve graft remodelling, in turn more quickly and completely restoring ACL structure and function. In this Current Concepts review, we summarise the present understanding of ACLR with remnant preservation, which includes selective bundle reconstruction of partial (one-bundle) ACL tears and single- and double-bundle ACLR with minimal to partial debridement of the torn ACL stump. Reported benefits of remnant preservation include accelerated graft revascularisation and remodelling, improved proprioception, decreased bone tunnel enlargement, individualised anatomic bone tunnel placement, improved objective knee stability and early mechanical support (with selective bundle reconstruction) to healing tissues. However, clinical studies of ACLR with remnant preservation are heterogeneous in the description of remnant characteristics and surgical technique. Presently, there is insufficient evidence to support the superiority of ACLR with remnant preservation over the standard technique. Future studies should better describe the ACL tear pattern, remnant volume, remnant quality and surgical technique. Progress made in understanding and applying remnant preservation may inform, and be reciprocally guided by, ongoing research on ACL repair. The goal of research on ACLR with remnant preservation is not only to achieve anatomic structural restoration of the ACL but also to facilitate biologic healing and regeneration to ensure a more robust and functional graft.
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Artificial ligament made from silk protein/Laponite hybrid fibers. Acta Biomater 2020; 106:102-113. [PMID: 32014583 DOI: 10.1016/j.actbio.2020.01.045] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 01/05/2020] [Accepted: 01/29/2020] [Indexed: 12/28/2022]
Abstract
With developments in tissue engineering, artificial ligaments are expected to be future materials for anterior cruciate ligament (ACL) reconstruction. However, poor healing of the intraosseous part after ACL reconstruction significantly hinders their applications in this field. In this study, a bioactive clay Laponite (LAP) was introduced into the regenerated silk fibroin (RSF) spinning dope to produce functional RSF/LAP hybrid fibers by wet-spinning. These RSF/LAP hybrid fibers were then woven into artificial ligament for ACL reconstruction. The structure and mechanical properties of RSF/LAP hybrid fibers were extensively studied by different means. Results confirmed the presence of LAP in RSF fibers and revealed that the addition of LAP slightly deteriorated the comprehensive mechanical properties of RSF fibers. However, they were still much tougher (with higher breaking energy) than those of degummed natural silkworm silk that was earlier used for making artificial ligament. The artificial ligament woven from RSF/LAP hybrid fibers showed better cytocompatibility and osteogenic differentiation with mouse pre-osteoblasts in vitro than those made from degummed natural silkworm silks and pure RSF fibers. Furthermore, in vivo study in a rat ACL reconstruction model demonstrated that the presence of LAP in the artificial ligament could significantly enhance the graft osseointegration process and also improve the corresponding biomechanical properties of the artificial ligament. Based upon these results, the RSF/LAP hybrid fibers, which can be mass produced by wet-spinning process, are believed to have a great potential for use as artificial ligament materials for ACL reconstruction. STATEMENT OF SIGNIFICANCE: In this study, we successfully introduced Laponite (LAP), a kind of clay that has the function of osteogenic induction, into regenerated silk fibroin (RSF) fibers, which was prepared by a mature wet-spinning method developed in our lab. We believe that through artificial spinning, additional functional components can be added into RSF fibers, which one can hardly achieve with natural silks. We showed that the artificial ligament woven from RSF/LAP hybrid fibers had better cytocompatibility and osteogenic differentiation for mouse pre-osteoblasts in vitro, and significantly enhanced the graft osseointegration process and improved the corresponding biomechanical properties in a rat ACL reconstruction model in vivo, compared to those artificial ligaments made from degummed natural silkworm silks and pure RSF fibers.
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Hughes JD, Rauer T, Gibbs CM, Musahl V. Diagnosis and treatment of rotatory knee instability. J Exp Orthop 2019; 6:48. [PMID: 31865518 PMCID: PMC6925612 DOI: 10.1186/s40634-019-0217-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Accepted: 12/13/2019] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND Rotatory knee instability is an abnormal, complex three-dimensional motion that can involve pathology of the anteromedial, anterolateral, posteromedial, and posterolateral ligaments, bony alignment, and menisci. To understand the abnormal joint kinematics in rotatory knee instability, a review of the anatomical structures and their graded role in maintaining rotational stability, the importance of concomitant pathologies, as well as the different components of the knee rotation motion will be presented. MAIN BODY The most common instability pattern, anterolateral rotatory knee instability in an anterior cruciate ligament (ACL)-deficient patient, will be discussed in detail. Although intra-articular ACL reconstruction is the gold standard treatment for ACL injury in physically active patients, in some cases current techniques may fail to restore native knee rotatory stability. The wide range of diagnostic options for rotatory knee instability including manual testing, different imaging modalities, static and dynamic measurement, and navigation is outlined. As numerous techniques of extra-articular tenodesis procedures have been described, performed in conjunction with ACL reconstruction, to restore anterolateral knee rotatory stability, a few of these techniques will be described in detail, and discuss the literature concerning their outcome. CONCLUSION In summary, the essence of reducing anterolateral rotatory knee instability begins and ends with a well-done, anatomic ACL reconstruction, which may be performed with consideration of extra-articular tenodesis in a select group of patients.
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Affiliation(s)
- Jonathan D Hughes
- Department of Orthopaedic Surgery, UPMC Freddie Fu Sports Medicine Center, University of Pittsburgh, 3200 S. Water St, Pittsburgh, PA, 15203, USA
| | - Thomas Rauer
- Department of Trauma Surgery, University Hospital Zurich, Zurich, Switzerland
| | - Christopher M Gibbs
- Department of Orthopaedic Surgery, UPMC Freddie Fu Sports Medicine Center, University of Pittsburgh, 3200 S. Water St, Pittsburgh, PA, 15203, USA
| | - Volker Musahl
- Department of Orthopaedic Surgery, UPMC Freddie Fu Sports Medicine Center, University of Pittsburgh, 3200 S. Water St, Pittsburgh, PA, 15203, USA.
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Ruan D, Zhu T, Huang J, Le H, Hu Y, Zheng Z, Tang C, Chen Y, Ran J, Chen X, Yin Z, Qian S, Pioletti D, Heng BC, Chen W, Shen W, Ouyang HW. Knitted Silk-Collagen Scaffold Incorporated with Ligament Stem/Progenitor Cells Sheet for Anterior Cruciate Ligament Reconstruction and Osteoarthritis Prevention. ACS Biomater Sci Eng 2019; 5:5412-5421. [PMID: 33464061 DOI: 10.1021/acsbiomaterials.9b01041] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Current surgical management of anterior cruciate ligament (ACL) rupture still remains an intractable challenge in ACL regeneration due to the weak self-healing capability of ACL. Inadequate cell numbers and vascularization within the articular cavity contribute mainly to the poor prognosis. This time, we fabricated a new tissue engineering scaffold by adding ligament stem/progenitor cell (LSPC) sheets to our previous knitted silk-collagen sponge scaffold, which overcame these limitations by providing sufficient numbers of seed cells and a natural extracellular matrix to facilitate regeneration. LSPCs display excellent proliferation and multilineage differentiation capacity. Upon ectopic implantation, the knitted silk-collagen sponge scaffold incorporated with an LSPC sheet exhibited less immune cells but more fibroblast-like cells, deposited ECM and neovascularization, and better tissue ingrowth. In a rabbit model, we excised the ACL and performed a reconstructive surgery with our scaffold. Increased expression of ligament-specific genes and better collagen fibril formation could be observed after orthotopic transplantation. After 6 months, the LSPC sheet group showed better results on ligament regeneration and ligament-bone healing. Furthermore, no obvious cartilage and meniscus degeneration were observed at 6 months postoperation. In conclusion, these results indicated that the new tissue engineering scaffold can promote ACL regeneration and slow down the progression of osteoarthritis, thus suggesting its high clinical potential as an ideal graft in ACL reconstruction.
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Affiliation(s)
- Dengfeng Ruan
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, 310009, China.,Department of Orthopedics, Research Institute of Zhejiang University, Zhejiang, 310027, China
| | - Ting Zhu
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, 310009, China.,Department of Orthopedics, Research Institute of Zhejiang University, Zhejiang, 310027, China.,Department of Cardiothoracic Surgery, Shaoxing People's Hospital, Shaoxin Hospital, Zhejiang University School of Medicine, Shaoxing, Zhejiang 312000, People's Republic of China
| | - Jiayun Huang
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, 310009, China.,Department of Orthopedics, Research Institute of Zhejiang University, Zhejiang, 310027, China.,Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Zhejiang, 310009, China
| | - Huihui Le
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, 310009, China.,Department of Orthopedics, Research Institute of Zhejiang University, Zhejiang, 310027, China
| | - Yejun Hu
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, 310009, China.,Department of Orthopedics, Research Institute of Zhejiang University, Zhejiang, 310027, China.,Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Zhejiang, 310009, China
| | - Zefeng Zheng
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, 310009, China.,Department of Orthopedics, Research Institute of Zhejiang University, Zhejiang, 310027, China.,Department of Orthopedic Surgery, Children's Hospital, Zhejiang University School of Medicine, Zhejiang, 310052, China
| | - Chenqi Tang
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, 310009, China.,Department of Orthopedics, Research Institute of Zhejiang University, Zhejiang, 310027, China.,Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Zhejiang, 310009, China
| | - Yangwu Chen
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, 310009, China.,Department of Orthopedics, Research Institute of Zhejiang University, Zhejiang, 310027, China.,Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Zhejiang, 310009, China
| | - Jisheng Ran
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, 310009, China.,Department of Orthopedics, Research Institute of Zhejiang University, Zhejiang, 310027, China
| | - Xiao Chen
- Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Zhejiang, 310009, China.,China Orthopaedic Regenerative Medicine (CORMed), Hangzhou, China
| | - Zi Yin
- Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Zhejiang, 310009, China
| | - Shengjun Qian
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, 310009, China.,Department of Orthopedics, Research Institute of Zhejiang University, Zhejiang, 310027, China
| | | | | | - Weishan Chen
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, 310009, China.,Department of Orthopedics, Research Institute of Zhejiang University, Zhejiang, 310027, China
| | - Weiliang Shen
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, 310009, China.,Department of Orthopedics, Research Institute of Zhejiang University, Zhejiang, 310027, China.,Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Zhejiang, 310009, China.,Laboratory of Biomechanical Orthopedics, EPFL, Lausanne, Switzerland.,China Orthopaedic Regenerative Medicine (CORMed), Hangzhou, China
| | - Hong-Wei Ouyang
- Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Zhejiang, 310009, China.,China Orthopaedic Regenerative Medicine (CORMed), Hangzhou, China
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Combined Anterior Cruciate Ligament Reconstruction and Lateral Extra-Articular Tenodesis. Arthrosc Tech 2019; 8:e855-e859. [PMID: 31700781 PMCID: PMC6823830 DOI: 10.1016/j.eats.2019.03.027] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 03/29/2019] [Indexed: 02/03/2023] Open
Abstract
Anterolateral rotational instability may persist after anterior cruciate ligament (ACL) reconstruction for a variety of reasons including damage to lateral or posterolateral structures, injury to the meniscus, disruption of anterolateral soft tissue structures, or increased tibial slope. In the setting of revision or primary ACL reconstruction with persistent anterolateral laxity, despite repair or reconstruction of other injured structures or in the setting of increased tibial slope, a lateral extra-articular tenodesis procedure can be used to augment an ACL reconstruction to aid in restoring anterolateral rotational stability and to upload the ACL reconstruction graft. This article details our technique for performing a modified Lemaire lateral extra-articular tenodesis using iliotibial band autograft as an adjunct to ACL reconstruction.
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Ye F, Tekiner H, Yale ES, Mazza JJ, Stalvey C, Yale SH. Venothromboembolic signs and medical eponyms: Part I. Thromb Res 2019; 182:194-204. [PMID: 31285053 DOI: 10.1016/j.thromres.2019.06.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2019] [Revised: 06/18/2019] [Accepted: 06/20/2019] [Indexed: 11/30/2022]
Abstract
Eponyms are honorific terms ascribed to individuals who discovered a sign, test, syndrome, technique, or instrument. Despite some contentions, eponyms continue to be widely ingrained and incorporated into the medical literature and contemporary language. Physical signs are considered unreliable methods alone for detecting deep venous thrombosis (DVT). The accuracy of the majority of these signs is unknown. For those signs that have been studied, there are a number of methodological limitations hindering the ability to draw meaningful conclusions about their accuracy and validity in clinical practice. Nevertheless, some findings when present and used in conjunction with other key signs, symptoms, and aspects of the patients history may be useful in further supporting the clinical suspicion and likelihood of DVT and/or pulmonary embolism (PE) or venothromboembolism (VTE). These signs also provide the means to better recognize the relationship between clinical findings and VTE. The acquisition of historical knowledge about these signs is important as it further enhances our understanding and appreciation of the diagnostic acumen that physicians were required to employ and to diagnose VTE prior to the advent of advanced imaging methods. Described in this paper is a brief overview of thrombosis as enumerated by Rudolf Virchow, and eponymous signs described in the late eighteenth and nineteenth centuries.
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Affiliation(s)
- Fan Ye
- University of Central Florida College of Medicine, Graduate Medical Education, 6850 Lake Nona Blvd, Orlando, FL 32827, United States of America
| | - Halil Tekiner
- Erciyes University School of Pharmacy, Department of the History of Pharmacy and Ethics, Kayseri 38280, Turkey.
| | - Eileen S Yale
- Department of General Internal Medicine, University of Florida, College of Medicine, 2000 SW Archer Rd., Gainesville, FL 32608, United States of America.
| | - Joseph J Mazza
- Clinic Research Institute, 1000 North Oak Avenue, Marshfield, WI 54449, United States of America.
| | - Carolyn Stalvey
- Department of General Internal Medicine, University of Florida, College of Medicine, 7540 W. University Ave., Gainesville, FL 32610, United States of America.
| | - Steven H Yale
- University of Central Florida College of Medicine, Department of Internal Medicine, 6850 Lake Nona Blvd, Orlando, FL 32827, United States of America.
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Farokhi M, Mottaghitalab F, Fatahi Y, Saeb MR, Zarrintaj P, Kundu SC, Khademhosseini A. Silk fibroin scaffolds for common cartilage injuries: Possibilities for future clinical applications. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.03.035] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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45
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Getgood A, Bryant D, Firth A. The Stability study: a protocol for a multicenter randomized clinical trial comparing anterior cruciate ligament reconstruction with and without Lateral Extra-articular Tenodesis in individuals who are at high risk of graft failure. BMC Musculoskelet Disord 2019; 20:216. [PMID: 31092226 PMCID: PMC6521537 DOI: 10.1186/s12891-019-2589-x] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 04/25/2019] [Indexed: 12/22/2022] Open
Abstract
Background The purpose of anterior cruciate ligament reconstruction (ACLR) is to restore stability to the knee. Persistent rotational laxity following ACLR has been correlated with poor outcome and graft failure. We hypothesize that anterolateral complex reconstruction by way of a Modified Lemaire Lateral Extra-articular Tenodesis (LET) in combination with single bundle ACLR would reduce the risk of persistent rotatory laxity in young individuals who are deemed as being at high risk of failure. We will conduct a pragmatic, multicenter, randomized clinical trial comparing standard single bundle hamstring ACLR with combined ACLR and LET. Methods Six-hundred patients (300 per group) aged 25 years or less with an ACL deficient knee that meet two of the following three criteria will be included: 1) Grade 2 pivot shift or greater; 2) Returning to high risk cutting or pivoting sports; 3) Generalized ligamentous laxity. Participants will be seen at 3-months, 6-months, 12-months and 24-months post-operatively. The primary outcome measure is graft failure requiring revision ACLR or symptomatic instability associated with a positive asymmetric pivot shift indicating persistent rotational laxity. Patients will complete secondary outcome measures at each follow-up visit including patient-reported outcome measures, functional and biomechanical testing, and magnetic resonance imaging. Discussion This protocol is the first adequately powered randomized clinical trial investigating the effects of augmenting ACLR with an LET in patients at high-risk of graft failure. The successful completion of this trial has the potential to change surgical practice and provide evidence for the role of the LET in ACLR. Trial registration The trial is registered at ClinicalTrials.gov: NCT02018354, 23-12-2013.
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Affiliation(s)
- Alan Getgood
- Orthopaedic Sport Medicine Fellowship Director, Fowler Kennedy Sport Medicine Clinic, 3M Centre, University of Western Ontario, 1151 Richmond St., London, ON, N6A 3K7, Canada
| | - Dianne Bryant
- Faculty of Health Sciences, Elborn College, University of Western Ontario, Room 1438, 1201 Western Rd, London, ON, N6C 1H1, Canada
| | - Andrew Firth
- Fowler Kennedy Sport Medicine Clinic, 3M Centre, University of Western Ontario, 1151 Richmond St, London, ON, N6A 3K7, Canada.
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Campos GCD, Nunes LFB, Arruda LRP, Teixeira PEP, Amaral GHA, Alves Junior WDM. CURRENT PANORAMA OF ANTERIOR CRUCIATE LIGAMENT RECONSTRUCTION SURGERY IN BRAZIL. ACTA ORTOPEDICA BRASILEIRA 2019; 27:146-151. [PMID: 31452610 PMCID: PMC6699397 DOI: 10.1590/1413-785220192703182208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
OBJECTIVE This study aims to establish the current panorama of the anterior cruciate ligament reconstruction surgery in Brazil. METHODS A survey that consisted of a 24-item questionnaire including surgeon's demographics, preferred technique, graft selection, graft positioning, use of braces, drains, antibiotic prophylaxis and most common complications was conducted at the last three editions of a national knee surgery event. RESULTS Six hundred eight questionnaires were analyzed. Brazilian knee surgeons are mostly male, with mean age of 42 years (26-68) and are affiliated to at least one orthopedic society. Thirty-six percent (36%) perform more than 50 reconstructions per year. The preferred graft is the hamstring tendons graft (64%). The frequency of use of anatomical technique increased approximately from 55% from 2011 to 2013, to 85.5% in 2015 (p<0.001). From 2011 to 2015, there was a progressive reduction from 56.8% to 18.1% in the frequency of use of transtibial femoral tunnel drilling (p<0.001). CONCLUSION Our findings show that Brazilian knee surgeons' preferences are evolving according to the current world practice. Level of Evidence V, Economic and Decision analysis study.
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López-Vidriero E, Olivé-Vilas R, López-Capapé D, Varela-Sende L, López-Vidriero R, Til-Pérez L. Efficacy and Tolerability of Progen, a Nutritional Supplement Based on Innovative Plasma Proteins, in ACL Reconstruction: A Multicenter Randomized Controlled Trial. Orthop J Sports Med 2019; 7:2325967119827237. [PMID: 30834280 PMCID: PMC6393838 DOI: 10.1177/2325967119827237] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Background: New biologic strategies are arising to enhance healing and improve the clinical outcome of anterior cruciate ligament (ACL) reconstruction. Purpose: To evaluate the efficacy of a new oral nutritional supplement (Progen) that contains hydrolyzed collagen peptides and plasma proteins, a hyaluronic acid–chondroitin sulfate complex, and vitamin C. Study Design: Randomized controlled trial; Level of evidence, 2. Methods: The study included patients who underwent ACL reconstruction with hamstring autografts using the same fixation method. All patients received the same analgesia and physical therapy (PT) protocol and were randomized to receive either the nutritional supplement (supplemented group) or no additional therapy (control group). Patients were followed up at days 7, 30, 60, and 90. Pain was assessed by use of a visual analog scale (VAS) and by analgesic consumption. Clinical outcome was assessed via International Knee Documentation Committee (IKDC) score and the number of PT sessions. Perceived efficacy and tolerability were rated on a 5-point Likert scale. Graft maturation was assessed by a blinded musculoskeletal radiologist using magnetic resonance imaging. The number of adverse events (AEs) was recorded. Results: The intention-to-treat analysis included 72 patients, 36 allocated to the supplemented group and 36 to the control group, with no significant differences regarding demographic and preoperative characteristics. Both groups showed significant improvement in pain and function (measured by VAS and IKDC scores) during the 90-day follow-up period (P < .001 for both), without significant differences between groups. The supplemented group had fewer patients that needed analgesics (8.5% vs 50.0%; P < .05) and attended fewer PT sessions (38.0 vs 48.4 sessions; P < .001) at 90 days and had a higher IKDC score at 60 days (62.5 vs 55.5; P = .029) compared with the control group. Patient- and physician-perceived efficacy was considered significantly higher in the supplemented group at 60 and 90 days (P < .05). Perceived tolerability of the overall intervention was better in the supplemented group at 30, 60, and 90 days (P < .05). Graft maturation showed more advanced degrees (grades 3 and 4) in the supplemented group at 90 days (61.8% vs 38.2%; P < .01). No intolerance or AEs associated with the nutritional supplement treatment were reported. Conclusion: The combination of the nutritional supplement and PT after ACL reconstruction improved pain, clinical outcome, and graft maturation. Nutritional supplementation showed higher efficacy during the second month of recovery, without causing AEs. Registration: NCT03355651 (ClinicalTrials.gov identifier).
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Gagliardi AG, Carry PM, Parikh HB, Traver JL, Howell DR, Albright JC. ACL Repair With Suture Ligament Augmentation Is Associated With a High Failure Rate Among Adolescent Patients. Am J Sports Med 2019; 47:560-566. [PMID: 30730755 DOI: 10.1177/0363546518825255] [Citation(s) in RCA: 94] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND The anterior cruciate ligament (ACL) repair technique avoids graft harvest and therefore the risk of donor site morbidity. However, early failure rates after ACL repair with suture ligament augmentation (SLA) remain high. PURPOSE To compare surgical failure, functional outcomes, return to sport, and joint laxity between adolescents who underwent ACL repair with SLA and those who underwent ACL reconstruction with quadriceps tendon-patellar bone autograft (QPA). STUDY DESIGN Cohort study; Level of evidence, 3. METHODS Adolescent patients (7-18 years old) underwent ACL repair with SLA or ACL reconstruction with QPA. The authors collected data from those who had postoperative information pertaining to repaired ligament or graft failure, range of motion, complications, and return to sport at a minimum of 6 months after surgery. Participants were contacted after surgery to complete study questionnaires. RESULTS The cohort included 22 consecutive patients in the SLA group and 157 in the QPA group. The median duration of follow-up was 2.7 years (interquartile range, 2.0-3.6 years) in the QPA group and 3.2 years (2.2-3.4 years) in the SLA group. After adjustment for sex, age, body mass index, and time from injury to surgery, the hazard of graft failure in the SLA group was 10.66 times (95% CI, 3.41-32.92; P < .0001) that of the QPA group. The cumulative incidence of graft failure in the first 3 years after surgery was 48.8% (95% CI, 28.9%-73.1%) in the SLA group, as opposed to 4.7% (2.1%-10.3%) in the QPA group. There was no difference in return to sport between the groups. Among individuals who did not rerupture their ACL, International Knee Documentation Committee and Lysholm scores were comparable between the groups, as well as range of motion. CONCLUSION The risk of failure was significantly increased in the SLA group relative to the QPA group. The high risk of failure for the SLA group in this short-term follow-up should be considered when selecting the treatment for adolescent patients with an ACL injury.
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Affiliation(s)
| | | | - Harin B Parikh
- School of Medicine, University of Colorado, Aurora, Colorado, USA
| | | | - David R Howell
- Children's Hospital Colorado, Aurora, Colorado, USA.,School of Medicine, University of Colorado, Aurora, Colorado, USA
| | - Jay C Albright
- Children's Hospital Colorado, Aurora, Colorado, USA.,School of Medicine, University of Colorado, Aurora, Colorado, USA
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Hofbauer M, Soldati F, Szomolanyi P, Trattnig S, Bartolucci F, Fu F, Denti M. Hamstring tendon autografts do not show complete graft maturity 6 months postoperatively after anterior cruciate ligament reconstruction. Knee Surg Sports Traumatol Arthrosc 2019; 27:130-136. [PMID: 30008057 PMCID: PMC6510818 DOI: 10.1007/s00167-018-5033-0] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Accepted: 06/22/2018] [Indexed: 01/29/2023]
Abstract
PURPOSE In this prospective, double-center cohort study, we aim to assess how the anterior cruciate ligament (ACL) signal intensity on magnetic resonance imaging (MRI) potentially varies between a group of patients with anatomic ACL reconstruction using autogenous hamstring grafts 6 months postoperatively and a healthy ACL control group, and how MRI-based graft signal intensity is related to knee laxity. METHODS Sixty-two consecutive patients who underwent ACL reconstruction using quadrupled hamstring tendon autograft were prospectively invited to participate in this study, and they were evaluated with MRI after 6 months of follow-up. 50 patients with an MRI of their healthy ACL (Clinica Luganese, Lugano, Switzerland) and 12 patients of their contralateral healthy knee (Department of Orthopaedic and Trauma Surgery, Medical University of Vienna, Austria) served as the control group. To evaluate graft maturity, the signal-to-noise quotient (SNQ) was measured in three regions of interest (ROIs) of the proximal, mid-substance and distal ACL graft and the healthy ACL. KT-1000 findings were obtained 6 months postoperatively in the ACL reconstruction group. Statistical analysis was independently performed to outline the differences in the two groups regarding ACL intensity and the correlation between SNQ and KT-1000 values. RESULTS There was a significant difference in the mean SNQ between the reconstructed ACL grafts and the healthy ACLs in the proximal and mid-substance regions (p = 0.001 and p = 0.004). The distal region of the reconstructed ACL showed a mean SNQ similar to the native ACL (n.s). Patients with a KT-1000 between 0 and 1 mm showed a mean SNQ of 0.1; however, a poor correlation was found between the mean SNQ and KT-1000 findings, probably due to the small sample size of patients with higher laxity. CONCLUSION After 6 months of follow-up, hamstring tendon autografts for anatomic ACL reconstruction do not show equal MRI signal intensity compared to a healthy ACL and should therefore be considered immature or at least not completely healed even if clinical laxity measurement provides good results. However, in the case of a competitive athlete, who is clinically stable and wants to return to sports at 6 months, performing an MRI to confirm the stage of graft healing might be an option. LEVEL OF EVIDENCE Prospective, comparative study II.
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Affiliation(s)
- Marcus Hofbauer
- Department of Orthopaedic and Trauma Surgery, Medical University of Vienna, Waehringerguertel 18-20, 1090, Vienna, Austria.
| | | | - Pavol Szomolanyi
- Centre of Excellence "High-field Magnetic Resonance (MR)", Medical University Vienna, Vienna, Austria
| | - Siegfried Trattnig
- Centre of Excellence "High-field Magnetic Resonance (MR)", Medical University Vienna, Vienna, Austria
| | | | - Freddie Fu
- Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Matteo Denti
- IRCCS Galeazzi Orthopaedic Institute, Milan, Italy
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Farthing C, Lang G, Feucht MJ, Südkamp NP, Izadpanah K. Modified Lemaire extra-articular stabilisation of the knee for the treatment of anterolateral instability combined with diffuse pigmented villonodular synovitis: a case report. BMC Musculoskelet Disord 2018; 19:330. [PMID: 30205827 PMCID: PMC6134778 DOI: 10.1186/s12891-018-2248-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Accepted: 08/27/2018] [Indexed: 01/12/2023] Open
Abstract
Background Diffuse pigmented villonodular synovitis (PVNS) of the knee is a rare proliferative joint disease associated with high recurrence rates following surgical treatment. Intra-articular joint instability in conjunction with PVNS implies complex reconstructive strategies due to the destructive nature of the disease. Case presentation Here, we present the case of a young patient with refractory PVNS and a chronic ipsilateral anterior cruciate ligament (ACL) rupture. Clinically, the patient presented with a grade 3 pivot shift phenomenon, indicating anterolateral rotational instability. Usually, PVNS implies a contraindication for ACL reconstruction due to the degenerative and pro-inflammatory joint microenvironment that is induced and maintained by PVNS. Therefore, we have performed a modified Lemaire extra-articular stabilization resulting in significant clinical improvement and subjective joint stability. In the latest follow-up examination at 12 months, the patient reported subjective joint stability and no swelling. In the clinical examination, the patient showed dynamic joint stability during walking. Additionally, the patient presented with grade 0 in pivot-shifting compared to the contralateral knee. The Lachman test exhibited no increased side-to-side difference and a firm endpoint. Conclusions Extra-articular anterolateral stabilisation of the knee in patients having anterolateral knee instability combined with PVNS is a safe and efficient surgical treatment option yielding significant clinical improvement as well as subjective joint stability.
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Affiliation(s)
- Cliodhna Farthing
- Department of Orthopedic and Trauma Surgery, Medical Center - Albert-Ludwigs-University of Freiburg, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, Freiburg im Breisgau, Germany.
| | - Gernot Lang
- Department of Orthopedic and Trauma Surgery, Medical Center - Albert-Ludwigs-University of Freiburg, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, Freiburg im Breisgau, Germany
| | - Matthias J Feucht
- Department of Orthopedic and Trauma Surgery, Medical Center - Albert-Ludwigs-University of Freiburg, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, Freiburg im Breisgau, Germany
| | - Norbert P Südkamp
- Department of Orthopedic and Trauma Surgery, Medical Center - Albert-Ludwigs-University of Freiburg, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, Freiburg im Breisgau, Germany
| | - Kaywan Izadpanah
- Department of Orthopedic and Trauma Surgery, Medical Center - Albert-Ludwigs-University of Freiburg, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, Freiburg im Breisgau, Germany
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