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Cordier G. MRI Assessment of Tendon Graft: Response. Am J Sports Med 2024; 52:NP26-NP27. [PMID: 39171948 DOI: 10.1177/03635465241255921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/23/2024]
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Morris JL, Letson HL, McEwen PC, Dobson GP. Adenosine, lidocaine, and magnesium therapy augments joint tissue healing following experimental anterior cruciate ligament rupture and reconstruction. Bone Joint Res 2024; 13:279-293. [PMID: 38843878 PMCID: PMC11156504 DOI: 10.1302/2046-3758.136.bjr-2023-0360.r1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/10/2024] Open
Abstract
Aims Adenosine, lidocaine, and Mg2+ (ALM) therapy exerts differential immuno-inflammatory responses in males and females early after anterior cruciate ligament (ACL) reconstruction (ACLR). Our aim was to investigate sex-specific effects of ALM therapy on joint tissue repair and recovery 28 days after surgery. Methods Male (n = 21) and female (n = 21) adult Sprague-Dawley rats were randomly divided into ALM or Saline control treatment groups. Three days after ACL rupture, animals underwent ACLR. An ALM or saline intravenous infusion was commenced prior to skin incision, and continued for one hour. An intra-articular bolus of ALM or saline was also administered prior to skin closure. Animals were monitored to 28 days, and joint function, pain, inflammatory markers, histopathology, and tissue repair markers were assessed. Results Despite comparable knee function, ALM-treated males had reduced systemic inflammation, synovial fluid angiogenic and pro-inflammatory mediators, synovitis, and fat pad fibrotic changes, compared to controls. Within the ACL graft, ALM-treated males had increased expression of tissue repair markers, decreased inflammation, increased collagen organization, and improved graft-bone healing. In contrast to males, females had no evidence of persistent systemic inflammation. Compared to controls, ALM-treated females had improved knee extension, gait biomechanics, and elevated synovial macrophage inflammatory protein-1 alpha (MIP-1α). Within the ACL graft, ALM-treated females had decreased inflammation, increased collagen organization, and improved graft-bone healing. In articular cartilage of ALM-treated animals, matrix metalloproteinase (MMP)-13 expression was blunted in males, while in females repair markers were increased. Conclusion At 28 days, ALM therapy reduces inflammation, augments tissue repair patterns, and improves joint function in a sex-specific manner. The study supports transition to human safety trials.
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Affiliation(s)
- Jodie L. Morris
- Heart and Trauma Research Laboratory, College of Medicine and Dentistry, James Cook University, Townsville, Australia
| | - Hayley L. Letson
- Heart and Trauma Research Laboratory, College of Medicine and Dentistry, James Cook University, Townsville, Australia
| | - Peter C. McEwen
- Orthopaedic Research Institute of Queensland, Townsville, Australia
| | - Geoffrey P. Dobson
- Heart and Trauma Research Laboratory, College of Medicine and Dentistry, James Cook University, Townsville, Australia
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Cai Z, Liu D, Yang Y, Lu W, Pan L, Liu X, Liu G, Vithran DTA, Li Y, Xiao W. Outcomes from different aspects indicate the all-inside technique may serve as an ideal option for anterior cruciate ligament reconstruction. Knee Surg Sports Traumatol Arthrosc 2024. [PMID: 38769796 DOI: 10.1002/ksa.12259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 04/26/2024] [Accepted: 05/02/2024] [Indexed: 05/22/2024]
Abstract
PURPOSE To evaluate the postoperative outcomes of the all-inside technique in arthroscopic anterior cruciate ligament reconstruction (ACLR). METHODS Patients who underwent ACLR using the all-inside technique between 2018 and 2021 were retrospectively assessed. All patients were followed up for at least 2 years. Functional recovery and pain relief were assessed using the International Knee Documentation Committee (IKDC) score, Lysholm score, Knee Injury and Osteoarthritis Outcome Score (KOOS) and visual analogue scale (VAS). Instrumented laxity was assessed via side-to-side difference using the Kneelax3 arthrometer. Graft maturity was estimated using the signal-to-noise quotient value based on magnetic resonance imaging (MRI). Adverse events during and after the surgery were recorded. RESULTS A total of 78 patients were included in this study, with a mean age of 28.1 ± 7.6 years. The IKDC (p < 0.001), Lysholm (p < 0.001) and KOOS (p < 0.001 for all subgroups) scores at the final follow-up were significantly higher than those before the surgery. The VAS scores (p < 0.05) were significantly lower than those before surgery. The side-to-side difference results indicated that 50 patients had a difference of less than 3 mm, indicating a tight graft, whereas only 1 patient had a difference of >5 mm, indicating a loose graft. The median signal-to-noise quotient of the graft on MRI was 1.4 (P25, P75: 1.0, 2.0). No intraoperative adverse events were observed. Postoperative adverse events included three cases of infection, three cases of graft rerupture, two cases of cyclops lesion and one case of surgical intervention for a meniscal tear. CONCLUSION ACLR using the all-inside technique offers promising results in patients with ACL rupture. LEVEL OF EVIDENCE Level IV.
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Affiliation(s)
- Zijun Cai
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Di Liu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Department of Orthopedic Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Yuntao Yang
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Wenhao Lu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Linyuan Pan
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xu Liu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Gaoming Liu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Djandan Tadum Arthur Vithran
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yusheng Li
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Wenfeng Xiao
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
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Delcogliano M, Sangiorgio A, Bensa A, Andriolo L, Boffa A, Filardo G. Platelet-rich plasma augmentation in anterior cruciate ligament reconstruction: Evidence is still too scattered. A scoping review of randomised controlled trials. Knee Surg Sports Traumatol Arthrosc 2024; 32:1143-1159. [PMID: 38488226 DOI: 10.1002/ksa.12127] [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: 10/11/2023] [Revised: 02/20/2024] [Accepted: 02/22/2024] [Indexed: 04/23/2024]
Abstract
PURPOSE Platelet-rich plasma (PRP) augmentation has been proposed to improve the results of anterior cruciate ligament reconstruction (ACLR). The present study aims to quantify the available evidence to support the use of PRP as biological augmentation in ACLR surgery. METHODS A systematic literature search was conducted on the PubMed, Cochrane, Web of Science and Embase databases on 10 March 2023. Inclusion criteria were randomised controlled trials (RCTs), written in English, addressing PRP augmentation in ACLR surgery, with no time limitation. A scoping review was performed to map the body of literature by examining the evidence related to specific aspects of patients' treatment and evaluation. Risk of bias evaluation was performed with the Cochrane risk-of-bias tool for randomised trials Version 2 (RoB 2), while the quality assessment was performed with the use of the Coleman Score. RESULTS Out of 983 articles retrieved, 23 RCTs on 943 knees were included in this scoping review. PRP was administered in a liquid form in nine studies and clotted in 11 studies, while in three studies both liquid and clotted PRP were used. Hamstring auto/allografts were used in 14 studies, patellar tendon auto/allografts were used in eight studies and one study described ACLR with peroneus longus allografts. The map of the evidence documented high heterogeneity also in terms of surgical technique, objective and subjective outcome measures and radiological assessment, as well as follow-up times ranging from 1 day to 2 years, with virtually no overlapping data among studies neither in terms of treatments nor evaluations. Risk of bias evaluation showed an overall low quality of the included studies. CONCLUSIONS The available literature addressing PRP augmentation in ACLR is largely scattered. PRP was produced and applied following different procedures, and high variability was detected across the included studies for every aspect of ACLR surgery and evaluation. Currently, a meaningful comparison of the available studies is not possible as the quantification of the literature results is biased by their heterogeneity. Future studies should provide more standardisation to investigate the benefits of biological augmentation in ACL surgery and confirm the promising yet weak evidence of PRP potential as well as the most suitable application modality, before routine use in clinical practice. LEVEL OF EVIDENCE Levels I and II, scoping review.
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Affiliation(s)
- Marco Delcogliano
- Service of Orthopaedics and Traumatology, Department of Surgery, EOC, Lugano, Switzerland
- Faculty of Biomedical Sciences, Università della Svizzera Italiana, Lugano, Switzerland
| | - Alessandro Sangiorgio
- Service of Orthopaedics and Traumatology, Department of Surgery, EOC, Lugano, Switzerland
| | - Alessandro Bensa
- Service of Orthopaedics and Traumatology, Department of Surgery, EOC, Lugano, Switzerland
| | - Luca Andriolo
- Clinica Ortopedica e Traumatologica 2, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Angelo Boffa
- Clinica Ortopedica e Traumatologica 2, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Giuseppe Filardo
- Service of Orthopaedics and Traumatology, Department of Surgery, EOC, Lugano, Switzerland
- Faculty of Biomedical Sciences, Università della Svizzera Italiana, Lugano, Switzerland
- Applied and Translational Research (ATR) Center, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
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Cordier G, Boudahmane S, Ovigue J, Michels F, Araujo Nunes G, Dallaudiere B. MRI Assessment of Tendon Graft After Lateral Ankle Ligament Reconstruction: Does Ligamentization Exist? Am J Sports Med 2024; 52:721-729. [PMID: 38343192 DOI: 10.1177/03635465231225487] [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: 03/02/2024]
Abstract
BACKGROUND No description exists in the literature about the normal evolution of tendon graft after a lateral ankle ligament (LAL) reconstruction. PURPOSE To assess the magnetic resonance imaging (MRI) characteristics and the evolution of the tendon graft during different moments in the follow-up after an endoscopic reconstruction of the LAL. STUDY DESIGN Cohort study; Level of evidence, 3. METHODS This prospective study included 37 consecutive patients who underwent an endoscopic reconstruction of the LAL with an autograft using the gracilis tendon to treat chronic ankle instability (CAI) resistant to nonoperative treatment (CAI group) and 16 patients without ankle instability (control group). All patients in the CAI group underwent a postoperative assessment at 6, 12, and 24 months using the Karlsson score and MRI examination. Only patients with good and excellent results were included in the study. Graft assessment consisted of qualitative measurements and quantitative evaluations of the reconstructed anterior talofibular ligament (RATFL) and reconstructed calcaneofibular ligament (RCFL), including signal-to-noise quotient (SNQ) and contrast-to-noise quotient (CNQ) measurements in proton density-fat suppressed (PD-FS) and T1-weighted sequences. The analysis of variance test was used to compare the SNQ and the CNQ at different time points for each sequence. RESULTS The MRI signal at 6 months was increased compared with that of the control group. Next, a significant signal decrease from 6 to 24 months was noted on PD-FS and T1-weighted images. SNQ measurements on PD-FS weighted images for both the RATFL and the RCFL demonstrated a significantly higher signal (P < .01 and P = .01, respectively) at 6 months compared with that of the control group. Subsequently, the signal decreased from 6 to 24 months. Similarly, CNQ measurements on PD-FS weighted images for both the RATFL and the RCFL demonstrated a significantly higher signal (P < .01 and P < .01, respectively) at 6 months compared with that of the control group. Subsequently, the signal decreased from 6 to 24 months. CONCLUSION The present study demonstrated an evolution of the MRI characteristics, suggesting a process of graft maturation toward ligamentization. This is important for clinical practice, as it suggests an evolution in graft properties and supports the possibility of creating a viable ligament.
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Affiliation(s)
- Guillaume Cordier
- Clinique du Sport, Vivalto Santé, Bordeaux-Merignac, France
- MIFAS by GRECMIP (Minimally Invasive Foot and Ankle Society), Merignac, France
| | - Sofiane Boudahmane
- Centre d'Imagerie Ostéo-articulaire, Clinique du Sport de Bordeaux-Merignac, Merignac, France
| | - Jordan Ovigue
- Clinique du Sport de Bordeaux-Merignac, Merignac, France
| | - Frederick Michels
- MIFAS by GRECMIP (Minimally Invasive Foot and Ankle Society), Merignac, France
- Orthopaedic Department, AZ Groeninge, Kortrijk, Belgium
- EFAS, ESSKA-AFAS Ankle Instability Group
| | - Gustavo Araujo Nunes
- MIFAS by GRECMIP (Minimally Invasive Foot and Ankle Society), Merignac, France
- Cote Brasília Clinic, DF, Brasilia, Brazil
| | - Benjamin Dallaudiere
- Centre d'Imagerie Ostéo-articulaire, Clinique du Sport de Bordeaux-Merignac, Merignac, France
- Centre de Résonance Magnétique des Systèmes Biologiques, Université de Bordeaux, Bordeaux, France
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Saliba I, Hardy A, Wang W, Vialle R, Feruglio S. A Review of Chronic Lateral Ankle Instability and Emerging Alternative Outcome Monitoring Tools in Patients following Ankle Ligament Reconstruction Surgery. J Clin Med 2024; 13:442. [PMID: 38256576 PMCID: PMC10816882 DOI: 10.3390/jcm13020442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 12/31/2023] [Accepted: 01/11/2024] [Indexed: 01/24/2024] Open
Abstract
Ankle sprains are exceedingly common injuries in both athletes and the general population. They account for 10 to 30% of all sports injuries. Although the vast majority of lateral ankle ligament injuries respond successfully to conservative management, the absolute number of those that progress to chronic lateral ankle instability (CLAI) remains considerably important. This condition is characterized by persistent symptoms and may be associated with short-term and long-term complications and functional deficits. There is still a lack of ideal postoperative management of CLAI patients. Furthermore, an evidence-based rehabilitation phasing does not exist and most of the published studies regarding this subject suggest some protocols based on a wide variety of functional assessment scores and other modalities that are not accurate enough. Moreover, the literature that assesses the ability to return to work (RTW) and return to sport (RTS) in the general population and athletes operated for CLAI most commonly shows aggregated results with global rates of RTW or RTS without describing a detailed timeline based on the readiness of patients to return to each level of activity. Although stress radiographs and MRI have been assessed as potential tools to improve postoperative management of CLAI patients, the first modality is limited by its low sensitivity to detect laxity and the second one by its static character and its inability to predict neither the healing process phase nor the mechanical properties of the repaired/reconstructed ligaments. Bioelectrical impedance, mechanical impedance and near-infrared spectroscopy are non-invasive methods of measurement that could be potential assessment tools to help surgeons improve the postoperative management of patients after CLAI surgery.
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Affiliation(s)
- Ibrahim Saliba
- LIP6 Department, Sorbonne Université, 75005 Paris, France; (W.W.); (S.F.)
| | | | - Wenzheng Wang
- LIP6 Department, Sorbonne Université, 75005 Paris, France; (W.W.); (S.F.)
| | | | - Sylvain Feruglio
- LIP6 Department, Sorbonne Université, 75005 Paris, France; (W.W.); (S.F.)
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Park SY, Cho JH, Ho JPY, Tu NT, Kim YB, Lee YS. Graft impingement increases anterior cruciate ligament graft signal more than acute graft bending angle: magnetic resonance imaging-based study in outside-in anterior cruciate ligament reconstruction. Knee Surg Sports Traumatol Arthrosc 2023; 31:4379-4389. [PMID: 37351630 DOI: 10.1007/s00167-023-07491-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 06/12/2023] [Indexed: 06/24/2023]
Abstract
PURPOSE In this study, the relationship between patient-specific geometric factors and tunnel placement in graft impingement was identified by using magnetic resonance imaging (MRI) signal intensity of anterior cruciate ligament (ACL) grafts. METHODS Ninety-two patients, who were treated between 2014 and 2020, were included retrospectively. These patients underwent primary remnant-preserving outside-in ACL reconstruction (ACLR) and were followed up with postoperative MRI at least one year after surgery. Plain radiographs and computed tomography (CT) were used to analyze tibial and femoral tunnel positions. Postoperative MRI was performed, at 32.8 ± 17.5 months after surgery, to evaluate the graft signal intensity, the ACL/posterior cruciate ligament (PCL) ratio (APR), ACL/muscle ratio (AMR), tunnel positions, and graft impingement. Clinical and stability outcomes were analyzed using the International Knee Documentation Committee (IKDC) subjective and objective scores, Lysholm scores, and side-to-side differences (SS-D). RESULTS The mean APR and AMR of the proximal third of the grafts were significantly lower than those of the middle third of the grafts (p = 0.017 and p = 0.045, respectively). Multivariate regression analysis showed that there was a negative association between the mean APR and AMR of entire intra-articular ACL graft and the distance from the anterior end of the intercondylar roof to the center of the tibial tunnel in the sagittal plane (p < 0.001 and p < 0.001, respectively) and the notch width index (p < 0.001 and p = 0.002, respectively). No significant correlations were found between tunneling and geometric factors, and clinical scores or SS-D. CONCLUSIONS Graft impingement on the anterior tibial tunnel relative to the end of the intercondylar roof and narrow notch was a more significant contributing factor on increased signal intensities of the ACL graft, compared with the acute femoral bending angle in remnant-preserving outside-in ACLR. Therefore, surgeons should focus on intercondylar notch anatomy during tibial tunnel placement to avoid roof impingement. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
- Seong Yun Park
- Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 166 Gumi-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 463-707, South Korea
| | - Joon Hee Cho
- Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 166 Gumi-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 463-707, South Korea
| | - Jade Pei Yuik Ho
- Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 166 Gumi-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 463-707, South Korea
| | - Nguyen Thanh Tu
- Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 166 Gumi-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 463-707, South Korea
| | - Yong Beom Kim
- Department of Orthopedic Surgery, Soonchunhyang University College of Medicine, Soonchunhyang University Hospital Seoul, 59 Daesagwan-ro, Seoul, Yongsan-gu, South Korea
| | - Yong Seuk Lee
- Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 166 Gumi-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 463-707, South Korea.
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Lee JB, Kholinne E, Yeom JW, So SP, Ben H, Alsaqri H, Koh KH, Jeon IH. Evaluation of a New MRI-Based Classification of Graft Status After Superior Capsule Reconstruction. Orthop J Sports Med 2023; 11:23259671231193315. [PMID: 37781637 PMCID: PMC10536853 DOI: 10.1177/23259671231193315] [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: 04/07/2023] [Accepted: 05/03/2023] [Indexed: 10/03/2023] Open
Abstract
Background A classification system for the graft state after superior capsule reconstruction (SCR) using magnetic resonance imaging (MRI) has not been described previously. Purpose To introduce a new, MRI-based classification system for graft integrity after SCR and to evaluate the system according to postoperative outcomes. Study Design Cohort study (diagnosis); Level of evidence, 3. Method Included were 62 consecutive patients who underwent SCR using autologous fascia lata graft between January 2013 and April 2021. Postoperative outcomes were assessed (American Shoulder and Elbow Surgeons [ASES] score, Constant score, pain visual analog scale [pVAS], range of motion [ROM], acromiohumeral distance [AHD], Hamada grade). Graft status was classified by 2 orthopaedic surgeons on postoperative MRI in accordance with the signal intensity and the presence or extent of the tear, as follows: type 1 (hypointense signal without tear), type 2 (hyperintense signal without tear), type 3 (partial-thickness tear), type 4 (full-thickness tear with partial continuity), and type 5 (full-thickness tear with complete discontinuity). Intra- and interobserver agreement were assessed using Cohen kappa. The correlation between postoperative outcomes (ASES score, Constant score, pVAS, ROM, AHD, and Hamada grade) and the SCR graft classification system was assessed with the Pearson correlation coefficient, and the outcomes were compared according to classification type. Results Patients were classified according to the new system as follows: type 1 (n = 15), type 2 (n = 20), type 3 (n = 7), type 4 (n = 8), and type 5 (n = 12). There was excellent interobserver agreement (κ = 0.819) and intraobserver agreement (κ = 0.937 and 0.919). The classification system showed a moderate to high correlation with the ASES score (r = -0.451; P = .001), pVAS (r = 0.359; P = .005), AHD (r = -0.642; P < .001), and Hamada grade (r = 0.414; P < .001). Patients classified as having types 1 and 2 showed better outcomes in terms of ASES score, pVAS, ROM, and AHD compared with type 5 patients (P ≤ .021 for all). Conclusion The new classification system was highly reproducible and showed clinical utility for both radiological and clinical evaluation after SCR.
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Affiliation(s)
- Jun-Bum Lee
- Department of Orthopaedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Erica Kholinne
- Department of Orthopedic Surgery, St Carolus Hospital, Faculty of Medicine, Universitas Trisakti, Jakarta, Indonesia
| | - Ji Woong Yeom
- Department of Orthopaedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Sang-Pil So
- Department of Orthopaedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Hui Ben
- Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Hood Alsaqri
- Department of Orthopaedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Kyoung-Hwan Koh
- Department of Orthopaedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - In-Ho Jeon
- Department of Orthopaedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
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Vari N, Marot V, Ripoll T, Vieira TD, Martinel V, Bérard E, Cavaignac E. Preserving the Semitendinosus Distal Attachment Is Associated With Improved Graft Remodeling After ACL Reconstruction. Am J Sports Med 2023; 51:2064-2072. [PMID: 37204156 DOI: 10.1177/03635465231169047] [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: 05/20/2023]
Abstract
BACKGROUND The semitendinosus (ST) tendon can be used by itself as a graft for anterior cruciate ligament (ACL) reconstruction. An increasing number of these procedures are being done while preserving the ST's tibial attachment, but there are no data on the remodeling of an attached ST (aST) graft. PURPOSE To compare graft remodeling on magnetic resonance imaging (MRI) scans at 1 year after ACL reconstruction between standard free ST graft and aST graft. STUDY DESIGN Cohort study; Level of evidence, 3. METHODS This prospective study enrolled 180 patients who were undergoing ACL reconstruction: 90 with the ST graft and 90 with the aST graft. The analysis was performed 1 year after the surgery. The main endpoint was the signal-to-noise quotient (SNQ) on MRI scans (T1-weighted sequence). The secondary endpoints were tibial tunnel widening (TTW), graft maturation (Howell classification), retear rate, new surgery rate, Simple Knee Value, Lysholm score, International Knee Documentation Committee (IKDC) score, postoperative Tegner score, difference between pre- and postoperative Tegner scores, ACL-Return to Sport after Injury (ACL-RSI), return-to-sports rate, and time to return to sports. RESULTS The mean adjusted SNQ was 1.18 (95% CI, 0.72-1.65) in the aST group and 3.88 (95% CI, 3.42-4.34) in the ST group (P < .001). The new surgery rate was 2.2% in the aST group and 10% in the ST group (P = .029). The median Lysholm score was significantly higher in the aST group (99; interquartile range [IQR], 95-100) than in the ST group (95; IQR, 91-99) (P = .004). The mean time to return to sports was significantly shorter in the aST group (248.73 ± 141.62 days) than the ST group (317.23 ± 144.69 days) (P = .002). No statistically significant difference was found between groups in the TTW (P = .503), Howell graft maturity grade (P = .149), retear rate (P > .999), Simple Knee Value (P = .061), postoperative Tegner score (P = .320), pre- to postoperative difference in Tegner score (P = .317), ACL-RSI (P = .097), IKDC score (P = .621), and return-to-sports rate (P > .999). CONCLUSION At 1 year postoperatively, remodeling of an ST graft assessed using MRI is better when its distal attachment is left intact.
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Affiliation(s)
- Nicolas Vari
- Musculoskeletal Institute, Hôpital Pierre Paul Riquet, CHU Toulouse, Toulouse, France
| | - Vincent Marot
- Orthopaedics Unit, Hospital Nostra Senyora de Meritxell, Escaldes-Engordany, Andorra
| | - Thomas Ripoll
- Musculoskeletal Institute, Hôpital Pasteur 2, CHU Nice, Nice, France
| | - Thais Dutra Vieira
- Centre Orthopedique Santy, FIFA Medical Center of Excellence, Hôpital Privé Jean Mermoz, Groupe GDS-Ramsay, Lyon, France
| | - Vincent Martinel
- Orthopedic Group Ormeau Pyrénées, Polyclinique de l'Ormeau, Tarbes, France
| | - Emilie Bérard
- Department of Epidemiology, Health Economics and Public Health, UMR 1295 CERPOP, University of Toulouse, INSERM, UPS, Toulouse University Hospital (CHU), Toulouse, France
| | - Etienne Cavaignac
- Musculoskeletal Institute, Hôpital Pierre Paul Riquet, CHU Toulouse, Toulouse, France
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Vari N, Marot V, Cavaignac M, Vieira TD, Bérard É, Cavaignac E. Factors Affecting Graft Remodeling and Anterior Cruciate Ligament Reconstruction: MRI Study of 180 Knees. Am J Sports Med 2023; 51:2073-2078. [PMID: 37249129 DOI: 10.1177/03635465231171947] [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: 05/31/2023]
Abstract
BACKGROUND Several factors affect the retear rate after anterior cruciate ligament (ACL) reconstruction, but there are few data on which factors affect graft remodeling. PURPOSE To determine which factors are associated with the remodeling of an ACL graft. STUDY DESIGN Case-control study; Level of evidence, 3. METHODS A retrospective longitudinal study was conducted to investigate the relationship between various exposure factors and the occurrence of an "event": graft remodeling measured with the signal-to-noise quotient (SNQ). Data were collected prospectively and analyzed retrospectively for this study. The endpoint was the SNQ on magnetic resonance imaging at postoperative 1 year. The effect of the following parameters on SNQ was investigated: sex, smoking habits, age at surgery, body mass index, time to surgery, time to return to sports, type of sport (in-line, pivot, contact), type of graft (free semitendinosus [ST] or attached ST), and addition of lateral tenodesis. RESULTS An overall 180 patients were enrolled (90 with each technique). The following factors were significantly and independently associated with the SNQ: attached ST graft (β = -2.624668; P < .001), age at the time of surgery (β = -0.7948476; P = .012), and time elapsed between the injury event and surgery (β = -0.7137424; P = .046). CONCLUSION Leaving the ST graft attached distally, being older at the time of surgery, and having more time elapse between the injury event and ACL reconstruction surgery were significantly associated with better graft remodeling.
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Affiliation(s)
- Nicolas Vari
- Musculoskeletal Institute, Hôpital Pierre Paul Riquet, CHU Toulouse, Toulouse, France
| | - Vincent Marot
- Orthopaedics Unit, Hospital Nostra Senyora de Meritxell, Escaldes-Engordany, Andorra
| | | | - Thais Dutra Vieira
- Centre Orthopedique Santy, FIFA Medical Center of Excellence, Hôpital Privé Jean Mermoz, Groupe GDS-Ramsay, Lyon, France
| | - Émilie Bérard
- Department of Epidemiology, Health Economics and Public Health, UMR 1295 CERPOP, University of Toulouse, INSERM, UPS, Toulouse University Hospital, Toulouse, France
| | - Etienne Cavaignac
- Musculoskeletal Institute, Hôpital Pierre Paul Riquet, CHU Toulouse, Toulouse, France
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11
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de Rousiers A, Rougereau G, Rousselin B, Langlais T, Rollet ME, Bauer T, Bachy M, Hardy A. Adaptation of the Signal Noise Quotient MRI classification for graft ligamentization analysis following ATFL and CFL anatomical reconstruction: Validation of the SNQA. Foot Ankle Surg 2023; 29:243-248. [PMID: 36774199 DOI: 10.1016/j.fas.2023.01.013] [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: 07/04/2022] [Revised: 12/19/2022] [Accepted: 01/27/2023] [Indexed: 02/05/2023]
Abstract
BACKGROUND Chronic ankle instability is the most frequent clinical sign of an antero tibiofibular (ATFL) and/or calcaneo fibular ligament (CFL) tear. One common surgical technique is to use the distal tendon of the gracilis muscle to reconstruct both the ATFL and CFL. In the knee, the hamstring tendons used in anterior cruciate ligament (ACL) reconstruction may go through structural modifications called "ligamentization ". A noninvasive MRI technique has been developed using the Signal/Noise Quotient to compare the signal of the graft following reconstruction to that of the posterior cruciate ligament. To our knowledge no studies have ever evaluated radiographic changes in the graft over time. The main goal of this study was to develop a specific MRI protocol to evaluate graft remodeling following ATFL and CFL reconstruction over time. METHODS A prospective study of the changes in the MRI signal of the ATFL-CFL graft 3-months postoperatively was performed in 20 patients. The main outcome was a comparison of the graft signal to that of the peroneal fibular tendon and the surrounding noise to determine the Ankle SNQ (SNQA). MRI images were evaluated by two senior radiologists to assess inter-rater reliability and then 2 weeks later for the intra-rater reproducibility. RESULTS The intraclass correlation (ICC) showed excellent inter- and intra rater reliability for the ATFL SNQA (0.96 and 0.91, respectively); and for the CFL SNQA, the ICC was 0.97 and 0.99, respectively. Bland-Altman analysis showed very limited bias in the interpretation of SNQA. CONCLUSION This preliminary study confirmed the inter- and intra- rater reliability of a new tool using the SNQA.
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Affiliation(s)
- Arnaud de Rousiers
- Departement of Orthopedic Surgery, Ambroise Paré Hospital, APHP, 9 avenue Charles de Gaulle, 92100 Boulogne-Billancourt, France.
| | - Grégoire Rougereau
- Departement of Orthopedic Surgery, Ambroise Paré Hospital, APHP, 9 avenue Charles de Gaulle, 92100 Boulogne-Billancourt, France
| | - Benoit Rousselin
- Departement of Orthopedic Surgery, Ambroise Paré Hospital, APHP, 9 avenue Charles de Gaulle, 92100 Boulogne-Billancourt, France
| | - Tristan Langlais
- Department of Pediatric Orthopedic Surgery, Trousseau Hospital, Sorbonne University, APHP, 26 avenue du Dr. Arnold Netter, 75012 Paris, France
| | - Marie-Eva Rollet
- Departement of Orthopedic Surgery, Ambroise Paré Hospital, APHP, 9 avenue Charles de Gaulle, 92100 Boulogne-Billancourt, France
| | - Thomas Bauer
- Departement of Orthopedic Surgery, Ambroise Paré Hospital, APHP, 9 avenue Charles de Gaulle, 92100 Boulogne-Billancourt, France
| | - Manon Bachy
- Department of Pediatric Orthopedic Surgery, Trousseau Hospital, Sorbonne University, APHP, 26 avenue du Dr. Arnold Netter, 75012 Paris, France; Université de Paris, B3OA, UMR CNRS 7052, INSERM U1271, 10 avenue de Verdun, 75010 Paris, France
| | - Alexandre Hardy
- Clinique du Sport, 28 boulevard Saint Marcel, 75005 Paris, France; GRC33 Sorbonne Université Service de Chirurgie Orthopédique et Réparatrice de l'Enfant, Hôpital Armand Trousseau, 26 avenue du Dr Arnold Netter 75012 Paris
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12
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Shimodaira H, Tensho K, Koyama S, Iwaasa T, Kumaki D, Yoshida K, Horiuchi H, Takahashi J. Effect of a new remnant-preserving technique with anatomical double-bundle anterior cruciate ligament reconstruction on MRI-based graft maturity: a comparison cohort study. Knee Surg Sports Traumatol Arthrosc 2022; 31:2394-2405. [PMID: 36181522 DOI: 10.1007/s00167-022-07180-3] [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: 05/16/2022] [Accepted: 09/20/2022] [Indexed: 11/06/2022]
Abstract
PURPOSE To investigate the effects of a new remnant-preserving double-bundle anterior cruciate ligament reconstruction (ACLR) technique, focused on avoiding remnant damage and preserving continuity of remnants, on graft maturity using magnetic resonance imaging (MRI). METHODS A total of 169 patients were divided into three groups: 41 in the preservation group, 70 in the resection group, and 58 in the absent group. In the preservation group, rather than passing the graft through the remnant tissue, the graft was reconstructed such that the anteromedial and posterolateral bundles sandwiched the remnant to avoid damage to the remnant and maintain its continuity. Based on 1-year postoperative MRI, the grafts were divided into three regions: distal, middle, and proximal. The signal/noise quotient (SNQ) of each region of interest was calculated to evaluate the signal intensity of the graft and was compared among the three groups. Additionally, to identify factors influencing graft maturity, a multiple regression analysis was performed with SNQ as the dependent variable and patient demographics, bone morphology, and surgical factors as independent variables. RESULTS In a three-group comparison of mean SNQs, the distal region was 3.3 ± 3.4, 8.9 ± 8.3, and 9.0 ± 8.6 (p < 0.001), the middle region was 5.3 ± 3.7, 10.9 ± 11.1, and 11.3 ± 10.2 (p < 0.001), and the proximal region was 6.8 ± 4.5, 11.1 ± 8.8, and 11.7 ± 10.8 (p = 0.017), in order of the preservation, resection, and absent groups, respectively. That indicated that the remnant-preserving ACLR was more hypointense than ACLR with remnant resection or absent in all three regions. Multiple regression analysis showed that remnant preservation remained the relevant factor affecting SNQ of the graft at the distal and middle levels. CONCLUSION The new remnant-preserving anatomic double-bundle ACLR had significantly better graft maturity, measured by SNQ on MRI, than the remnant resection and absent groups. The remnant procedure was the relevant factor affecting graft maturity. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
- Hiroki Shimodaira
- Department of Orthopedic Surgery, Shinshu University School of Medicine, 3-1-1, Asahi, Matsumoto, Nagano, 390-8621, Japan
| | - Keiji Tensho
- Department of Orthopedic Surgery, Shinshu University School of Medicine, 3-1-1, Asahi, Matsumoto, Nagano, 390-8621, Japan.
| | - Suguru Koyama
- Department of Orthopedic Surgery, Shinshu University School of Medicine, 3-1-1, Asahi, Matsumoto, Nagano, 390-8621, Japan
| | - Tomoya Iwaasa
- Department of Orthopedic Surgery, Shinshu University School of Medicine, 3-1-1, Asahi, Matsumoto, Nagano, 390-8621, Japan
| | - Daiki Kumaki
- Department of Orthopedic Surgery, Shinshu University School of Medicine, 3-1-1, Asahi, Matsumoto, Nagano, 390-8621, Japan
| | - Kazushige Yoshida
- Department of Orthopedic Surgery, Shinshu University School of Medicine, 3-1-1, Asahi, Matsumoto, Nagano, 390-8621, Japan
| | - Hiroshi Horiuchi
- Department of Rehabilitation, Shinshu University Hospital, 3-1-1, Asahi, Matsumoto, Nagano, 390-8621, Japan
| | - Jun Takahashi
- Department of Orthopedic Surgery, Shinshu University School of Medicine, 3-1-1, Asahi, Matsumoto, Nagano, 390-8621, Japan
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13
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Uquillas JA, Spierings J, van der Lande A, Eren AD, Bertrand M, Yuan H, Yuan H, van Groningen B, Janssen R, Ito K, de Boer J, Foolen J. An off-the-shelf decellularized and sterilized human bone-ACL-bone allograft for anterior cruciate ligament reconstruction. J Mech Behav Biomed Mater 2022; 135:105452. [PMID: 36122497 DOI: 10.1016/j.jmbbm.2022.105452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 08/31/2022] [Accepted: 09/03/2022] [Indexed: 11/16/2022]
Abstract
Approximately 1% of active individuals participating in sports rupture their anterior cruciate ligaments (ACL) every year, which is currently reconstructed using tendon autografts. Upon reconstruction, clinical issues of concern are ACL graft rupture, persistent knee instability, limited return to sports, and early onset of osteoarthritis (OA). This happens because tendon autografts do not have the same compositional, structural, and mechanical properties as a native ACL. To overcome these problems, we propose to use decellularized bone-ACL-bone allografts in ACL reconstruction (ACLR) as a mechanically robust, biocompatible, and immunologically safe alternative to autografts. Here, a decellularization protocol combined with sterilization using supercritical carbon dioxide (scCO2) was used to thoroughly decellularize porcine and human ACLs attached to tibial and femoral bone blocks. The specimens were named ultrACLean and their compositional, structural, and mechanical properties were determined. Our results indicate that: 1) decellularization of ultrACLean allografts leads to the removal of nearly 97% of donor cells, 2) ultrACLean has mechanical properties which are not different to native ACL, 3) ultrACLean maintained similar collagen content and decreased GAG content compared to native ACL, and 4) ultrACLean is not cytotoxic to seeded tendon-derived cells in vitro. Results from an in vivo pilot experiment showed that ultrACLean is biocompatible and elicits a moderate immunological response. In summary, ultrACLean has proven to be a mechanically competent and biocompatible graft with the potential to be used in ACLR surgery.
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Affiliation(s)
- Jorge Alfredo Uquillas
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands; Institute of Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, the Netherlands
| | - Janne Spierings
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands; Institute of Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, the Netherlands
| | - Antonio van der Lande
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands
| | - Aysegul Dede Eren
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands; Institute of Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, the Netherlands
| | - Manon Bertrand
- Hightech Contract Manufacturing Medical, Nijmegen, the Netherlands
| | - Hao Yuan
- Huipin Yuan's Lab, Sichuan, China
| | | | - Bart van Groningen
- Department of Orthopaedic Surgery, Maxima Medical Centre Eindhoven/Veldhoven, the Netherlands
| | - Rob Janssen
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands; Department of Orthopaedic Surgery, Maxima Medical Centre Eindhoven/Veldhoven, the Netherlands; Health Innovations and Technology, Department of Paramedical Sciences, Fontys University of Applied Sciences, Eindhoven, the Netherlands
| | - Keita Ito
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands; Eindhoven MedTech Innovation Center, Eindhoven University of Technology, Eindhoven, the Netherlands
| | - Jan de Boer
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands; Institute of Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, the Netherlands
| | - Jasper Foolen
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands; Institute of Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, the Netherlands.
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14
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Biset A, Douiri A, Robinson JR, Laboudie P, Colombet P, Graveleau N, Bouguennec N. Tibial tunnel expansion does not correlate with four-strand graft maturation after ACL reconstruction using adjustable cortical suspensory fixation. Knee Surg Sports Traumatol Arthrosc 2022; 31:1761-1770. [PMID: 35876906 DOI: 10.1007/s00167-022-07051-x] [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: 11/23/2021] [Accepted: 06/17/2022] [Indexed: 11/28/2022]
Abstract
PURPOSE Anterior cruciate ligament reconstruction (ACLR) using a short, quadrupled semitendinosus (ST-4) autograft, fixed with an adjustable suspensory fixation (ASF), has several potential advantages. However, the construct is suspected to generate micromotion, tunnel widening and poor graft maturation. The aim of this study was to evaluate post-operative tibial tunnel expansion, graft maturation and clinical outcomes for this type of ACLR. METHODS One-hundred and forty-nine patients were reviewed at a minimum of 2 years following 4-ST ACLR, mean 25.6 ± 3.5 months [24-55], with clinical follow-up and MRI scans. Graft maturity of the intra-articular part of the graft and the tibial tunnel portion was assessed using Signal-to-Noise Quotient (SNQ) and Howell score. Tibial tunnel expansion, bone-graft contact and graft volume in the tibial tunnel were calculated from the MRI scans. RESULTS Mean tibial tunnel expansion was 13 ± 16.5% [12-122]. Mean SNQ for graft within the tibial tunnel was 3.8 ± 7.1 [ - 7.7 to 39] and 2.0 ± 3.5 [ - 14 to 17] for the intra-articular portion of the graft. The Howell score for graft within the tibial tunnel was 41% Grade I, 37% Grade 2, 20% Grade 3, 2% grade 4, and for the intra-articular part 61% Grade 1, 26% Grade 2, 13% Grade 3 and 1% Grade 4. The mean tibial tunnel bone-graft contact was 81 ± 23% [0-100] and mean graft volume was 80 ± 22% [0-100]. No correlation was found between tibial tunnel expansion and graft maturity assessed at both locations. Graft maturity was correlated with higher graft-bone contact and graft volume in the tibial tunnel (p < 0.05). CONCLUSIONS ST-4 ACLR with ASF had low levels of tunnel enlargement at 2 years. No correlation was found between graft maturation and tibial tunnel expansion. Graft maturity was correlated with graft-bone contact and graft volume in the tibial tunnel. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
| | - Adil Douiri
- MD, Sports Clinic of Bordeaux-Merignac, Merignac, France
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15
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Putnis SE, Klasan A, Oshima T, Grasso S, Neri T, Coolican MRJ, Fritsch BA, Parker DA. Magnetic Resonance Imaging Assessment of Hamstring Graft Healing and Integration 1 and Minimum 2 Years after ACL Reconstruction. Am J Sports Med 2022; 50:2102-2110. [PMID: 35612835 DOI: 10.1177/03635465221096672] [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] [Indexed: 01/31/2023]
Abstract
BACKGROUND An increase has been seen in the number of studies of anterior cruciate ligament reconstruction (ACLR) that use magnetic resonance imaging (MRI) as an outcome measure and proxy for healing and integration of the reconstruction graft. Despite this, the MRI appearance of a steady-state graft and how long it takes to achieve such an appearance have not yet been established. PURPOSE To establish whether a hamstring tendon autograft for ACLR changes in appearance on MRI scans between 1 and 2 years and whether this change affects a patient's ability to return to sports. STUDY DESIGN Case series; Level of evidence, 4. METHODS Patients with hamstring tendon autograft ACLR underwent MRI and clinical outcome measures at 1 year and at a final follow-up of at least 2 years. MRI graft signal was measured at multiple regions of interest using oblique reconstructions both parallel and perpendicular to the graft, with lower signal indicative of better healing and expressed as the signal intensity ratio (SIR). Changes in tunnel aperture areas were also measured. Clinical outcomes were side-to-side anterior laxity and patient-reported outcome measures (PROMs). RESULTS A total of 42 patients were included. At 1 year, the mean SIR for the graft was 2.7 ± 1.2. Graft SIR of the femoral aperture was significantly higher than that of the tibial aperture (3.4 ± 1.3 vs 2.6 ± 1.8, respectively; P = .022). Overall, no significant change was seen on MRI scans after 2 years; a proximal graft SIR of 1.9 provided a sensitivity of 96% to remain unchanged. However, in the 6 patients with the highest proximal graft SIR (>4) at 1 year, a significant reduction in signal was seen at final follow-up (P = .026), alongside an improvement in sporting level. A significant reduction in aperture area was also seen between 1 and 2 years (tibial, -6.3 mm2, P < .001; femoral, -13.3 mm2, P < .001), which was more marked in the group with proximal graft SIR >4 at 1 year and correlated with a reduction in graft signal. The patients had a high sporting level; the median Tegner activity score was 6 (range, 5-10), and a third of patients scored either 9 or 10. Overall, PROMs and knee laxity were not associated with MRI appearance. CONCLUSION In the majority of patients, graft SIR on MRI did not change significantly after 1 year, and a proximal graft SIR <2 was a sensitive indicator for a stable graft signal, implying healing. Monitoring is proposed for patients who have a high signal at 1 year (proximal graft SIR >4), because a significant reduction in signal was seen in the second year, indicative of ongoing healing, alongside an improvement in sporting level. A reduction in tunnel aperture area correlated with a reduction in graft SIR, suggesting this could also be a useful measure of graft integration.
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Affiliation(s)
- Sven E Putnis
- Avon Orthopaedic Centre, Bristol, UK.,University Hospitals Bristol & Weston NHS Foundation Trust, UK
| | | | - Takeshi Oshima
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan.,Asanogawa General Hospital, Kanazawa, Japan
| | - Samuel Grasso
- University of Sydney, Sydney, Australia.,Sydney Orthopaedic Research Institute, Sydney, Australia
| | - Thomas Neri
- Laboratory of Human Movement Science, University of Lyon - University Jean Monnet, Saint Etienne, France.,Department of Orthopaedic Surgery, University Hospital of Saint-Etienne, France
| | | | | | - David A Parker
- University of Sydney, Sydney, Australia.,Sydney Orthopaedic Research Institute, Sydney, Australia
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16
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Sheean AJ. Editorial Commentary: Bone Marrow Aspirate Concentrate May Accelerate Anterior Cruciate Ligament Allograft Using Bone Patellar Tendon Bone Maturation on Magnetic Resonance Imaging, but Clinical Differences Have Not Been Demonstrated. Arthroscopy 2022; 38:2265-2267. [PMID: 35809981 DOI: 10.1016/j.arthro.2022.03.016] [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] [Received: 02/27/2022] [Revised: 03/02/2022] [Accepted: 03/03/2022] [Indexed: 02/02/2023]
Abstract
Accelerating graft healing in anterior cruciate ligament reconstruction (ACLR) continues to be an elusive proposition. In vivo assessments of graft histology are challenging to perform, especially in human subjects. Multiple authors have reported on the utility of magnetic resonance imaging as a noninvasive modality in characterizing postoperative changes, suggestive of graft maturation. However, previous literature, by and large, has been limited by heterogenous scanning protocols and underpowered comparisons of dissimilar treatment techniques, and these issues complicate efforts to assess the benefits (if any) of adjuncts focused on improving graft healing after ACLR. Particularly in cases of allograft ACLR, where concerns persist regarding the pace and quality of tissue healing and graft integration, the use of orthobiologic adjuncts represents a promising area for ongoing investigation. Although there has been great enthusiasm for the use of bone marrow aspirate concentrate as an adjunct in a variety of applications, high level evidence substantiating its use in ACLR is lacking. Even when significant differences between groups treated with and without such adjuncts may be apparent radiographically, demonstrating a concrete, clinical benefit will continue to be a difficult proposition.
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17
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Brophy RH, Schafer KA, Knapik DM, Motley J, Haas A, Matava MJ, Wright RW, Smith MV. Changes in Dynamic Postural Stability After ACL Reconstruction: Results Over 2 Years of Follow-up. Orthop J Sports Med 2022; 10:23259671221098989. [PMID: 35722181 PMCID: PMC9201321 DOI: 10.1177/23259671221098989] [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: 02/24/2022] [Accepted: 03/09/2022] [Indexed: 11/16/2022] Open
Abstract
Background: The anterior cruciate ligament (ACL) is crucial for knee proprioception and
postural stability. While ACL reconstruction (ACLR) and rehabilitation
improve postural stability, the timing in improvement of dynamic postural
stability after ACLR remains relatively unknown. Purpose: To evaluate changes in dynamic postural stability after ACLR out to 24 months
postoperatively. Study Design: Case series; Level of evidence, 4. Methods: Patients undergoing ACLR were prospectively enrolled, and dynamic postural
stability was assessed within 2 days before surgery, at 3-month intervals
postoperatively to 18 months, then at 24 months. Measurements were made on a
multidirectional platform tracking the patient’s center of mass based on
pelvic motion. The amount of time the patient was able to stay on the
platform was recorded, and a dynamic motion analysis score, reflecting the
patient’s ability to maintain one’s center of mass, was generated overall
and in 6 independent planes of motion. Results: A total of 44 patients with a mean age of 19.7 ± 6.2 years completed the
study protocol. Overall mean dynamic postural stability improved
significantly at 3, 6, 9, and 12 months after surgery, with continued
improvement out to 24 months. Notable improvements occurred in
medial/lateral and anterior/posterior stability from baseline to 6 months
postoperatively, while internal/external rotation and flexion/extension
stability declined initially after surgery from baseline to 3 months
postoperatively before stabilizing to the end of the study period. Conclusion: Overall dynamic postural stability significantly improved up to 12 months
after ACLR. Improvement in postural stability occurred primarily in the
medial/lateral and anterior/posterior planes of motion, with initial
decreases in the flexion/extension and internal/external rotational planes
of motion.
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Affiliation(s)
- Robert H Brophy
- Department of Orthopaedic Surgery, Washington University in St. Louis, St. Louis, Missouri, USA.,School of Medicine, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Kevin A Schafer
- Department of Orthopaedic Surgery, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Derrick M Knapik
- Department of Orthopaedic Surgery, Washington University in St. Louis, St. Louis, Missouri, USA.,School of Medicine, Washington University in St. Louis, St. Louis, Missouri, USA
| | - John Motley
- STAR Sports Therapy and Rehabilitation, Chesterfield, Missouri, USA
| | - Amanda Haas
- School of Medicine, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Matthew J Matava
- Department of Orthopaedic Surgery, Washington University in St. Louis, St. Louis, Missouri, USA.,School of Medicine, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Rick W Wright
- Department of Orthopaedic Surgery, Washington University in St. Louis, St. Louis, Missouri, USA.,Department of Orthopaedic Surgery, Vanderbilt University, Nashville, Tennessee, USA
| | - Matthew V Smith
- Department of Orthopaedic Surgery, Washington University in St. Louis, St. Louis, Missouri, USA.,School of Medicine, Washington University in St. Louis, St. Louis, Missouri, USA
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18
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Okutan AE, Kalkışım M, Gürün E, Ayas MS, Aynacı O. Tibial slope, remnant preservation, and graft size are the most important factors affecting graft healing after ACL reconstruction. Knee Surg Sports Traumatol Arthrosc 2022; 30:1584-1593. [PMID: 34245309 DOI: 10.1007/s00167-021-06660-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 07/02/2021] [Indexed: 11/29/2022]
Abstract
PURPOSE The aim of this study was to determine the anatomic, operative and biological factors that influenced graft healing after single-bundle anterior cruciate ligament (ACL) reconstruction. METHODS One hundred fourteen consecutive patients who underwent anatomic single-bundle ACL reconstruction with quadrupled hamstring tendon autografts between 2016 and 2019 were retrospectively analyzed. Ninety-four patients met the inclusion criteria with minimum follow-up of 12 months. Patients were evaluated with multiple clinical measurements, including International Knee Documentation Committee Subjective Knee Form (IKDC-SKF), Lyshom Scores, and Marx activity scale. To evaluate graft healing, the signal-to-noise quotient (SNQ) was measured at intra-articular graft and intra-tunnel integration were evaluated on magnetic resonance imaging (MRI) at one year after surgery. Potential factors affecting graft healing, including age, sex, body mass index, time from injury to surgery, posterior tibial slope, lateral femoral condyle ratio, notch width index, meniscal injury, remnant preservation, tunnel aperture locations, graft size, graft bending angle, graft/remaining notch volume ratio were evaluated for their association with graft SNQ value by stepwise regression analysis. RESULTS A total of 94 patients were evaluated with mean follow-up 28.5 ± 9 months. Univariate regression analysis showed that posterior tibial slope, notch width index, remnant preserving procedure, high femoral tunnel, anterior tibial tunnel, graft bending angle, and graft/remaining notch volume ratio significantly associated with graft SNQ values. Multivariate regression analysis showed that lateral tibial slope, remnant preservation, and graft/remaining notch volume ratio were independent factors correlated with graft SNQ values. Also, the graft SNQ values was weakly correlated with femoral tunnel integration and Marx activity scale at one year. There was no correlation between graft SNQ values and IKDC-SKF and Lysholm scores. There was no correlation between graft SNQ values and International Knee Documentation Committee and Lysholm scores. CONCLUSIONS Tibial slope, remnant preservation and graft/remaining notch volume ratio were significant independent associated factors of graft SNQ value at one year. The graft SNQ values were also weakly correlated with femoral tunnel integration and the Marx activity scale. These factors should be taken into account for ensuring the ideal graft healing and for the return to sport decision-making. LEVEL OF EVIDENCE Level IV.
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Affiliation(s)
- Ahmet Emin Okutan
- Department of Orthopaedics, Karadeniz Technical University, School of Medicine, Trabzon, Turkey.
| | - Muhammet Kalkışım
- Department of Orthopaedics, Karadeniz Technical University, School of Medicine, Trabzon, Turkey
| | - Enes Gürün
- Department of Radiology, Gazi University, School of Medicine, Ankara, Turkey
| | - Muhammet Salih Ayas
- Department of Orthopaedics, Erzurum Regional Training and Research Hospital, Erzurum, Turkey
| | - Osman Aynacı
- Department of Orthopaedics, Karadeniz Technical University, School of Medicine, Trabzon, Turkey
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Fukuda H, Ogura T, Asai S, Omodani T, Takahashi T, Yamaura I, Sakai H, Saito C, Tsuchiya A, Takahashi K. Bone-patellar tendon-bone autograft maturation is superior to double-bundle hamstring tendon autograft maturation following anatomical anterior cruciate ligament reconstruction. Knee Surg Sports Traumatol Arthrosc 2022; 30:1661-1671. [PMID: 34424354 DOI: 10.1007/s00167-021-06653-1] [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] [Received: 08/27/2020] [Accepted: 07/01/2021] [Indexed: 12/14/2022]
Abstract
PURPOSE The primary purpose of this study was to evaluate the second-look arthroscopic findings 1 year postoperatively and magnetic resonance imaging (MRI) findings 2 years after anterior cruciate ligament reconstruction (ACLR) using bone-patellar tendon-bone autograft (BTB) or hamstring tendon autograft (HT). Secondary purpose included clinical results from physical examination, including range of motion, Lachman test, pivot shift test, and knee anterior laxity evaluation, and the clinical score for subjective evaluations at 2 years after surgery. METHODS Between 2015 and 2018, 75 patients with primary ACL injuries were divided into either the BTB group (n = 30) or HT group (n = 45). When using HT, an anatomical double-bundle ACLR was performed. BTB was indicated for athletes with sufficient motivation to return to sporting activity. Graft maturation on second-look arthroscopy was scored in terms of synovial coverage and revascularization. All participants underwent postoperative MRI evaluation 2 years postoperatively. The signal intensity (SI) characteristics of the reconstructed graft were evaluated using oblique axial proton density-weighted MR imaging (PDWI) perpendicular to the grafts. The signal/noise quotient (SNQ) was calculated to quantitatively determine the normalized SI. For clinical evaluation, the Lachman test, pivot shift test, KT-2000 evaluation, Lysholm score, and Knee injury and Osteoarthritis Outcome Score (KOOS) were used. RESULTS Arthroscopic findings showed that the graft maturation score in the BTB group (3.6 ± 0.7) was significantly greater than that in the anteromedial bundle (AMB; 2.9 ± 0.2, p = 0.02) and posterolateral bundle (PLB; 2.0 ± 0.9, p = 0.001) in the HT group. The mean MRI-SNQs were as follows: BTB, 2.3 ± 0.5; AMB, 2.9 ± 0.9; and PLB, 4.1 ± 1.1. There were significant differences between BTB, AMB, and PLB (BTB and AMB: p = 0.04, BTB and PLB: p = 0.003, AMB and PLB: p = 0.03). Second-look arthroscopic maturation score and MRI-SNQ value significantly correlated for BTB, AMB, and PLB. No significant differences were detected in clinical scores. There was a significant difference (p = 0.02) in the knee laxity evaluation (BTB: 0.9 ± 1.1 mm; HT: 2.0 ± 1.9 mm). CONCLUSION BTB maturation is superior to that of double-bundle HT based on morphological and MRI evaluations following anatomical ACLR, although no significant differences were found in clinical scores. Regarding clinical relevance, the advantages of BTB may help clinicians decide on using the autograft option for athletes with higher motivation to return to sporting activity because significant differences were observed in morphological evaluation, MRI assessment, and knee anterior laxity evaluation between BTB and double-bundle HT. LEVEL OF EVIDENCE Level IV.
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Affiliation(s)
- Hideaki Fukuda
- Funabashi Orthopaedic Hospital Sports Medicine Center, 1-833 Hazama Funabashi-shi, Chiba, 274-0822, Japan.
| | - Takahiro Ogura
- Sports Medicine and Joint Center, Funabashi Orthopaedic Hospital, 1-833 Hasama, Funabashi, Chiba, 274-0822, Japan
| | - Shigehiro Asai
- Sports Medicine and Joint Center, Funabashi Orthopaedic Hospital, 1-833 Hasama, Funabashi, Chiba, 274-0822, Japan
| | - Toru Omodani
- Sports Medicine and Joint Center, Funabashi Orthopaedic Hospital, 1-833 Hasama, Funabashi, Chiba, 274-0822, Japan
| | - Tatsuya Takahashi
- Sports Medicine and Joint Center, Funabashi Orthopaedic Hospital, 1-833 Hasama, Funabashi, Chiba, 274-0822, Japan
| | - Ichiro Yamaura
- Sports Medicine and Joint Center, Funabashi Orthopaedic Hospital, 1-833 Hasama, Funabashi, Chiba, 274-0822, Japan
| | - Hiroki Sakai
- Sports Medicine and Joint Center, Funabashi Orthopaedic Hospital, 1-833 Hasama, Funabashi, Chiba, 274-0822, Japan
| | - Chikara Saito
- Sports Medicine and Joint Center, Funabashi Orthopaedic Hospital, 1-833 Hasama, Funabashi, Chiba, 274-0822, Japan
| | - Akihiro Tsuchiya
- Sports Medicine and Joint Center, Funabashi Orthopaedic Hospital, 1-833 Hasama, Funabashi, Chiba, 274-0822, Japan
| | - Kenji Takahashi
- Sports Medicine and Joint Center, Funabashi Orthopaedic Hospital, 1-833 Hasama, Funabashi, Chiba, 274-0822, Japan
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20
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Ebert JR, Edwards P, Joss B, Annear PT. A structured accelerated versus control rehabilitation pathway after anterior cruciate ligament reconstruction using autologous hamstrings demonstrates earlier improvement in physical outcomes without increasing graft laxity: A randomized controlled trial. Phys Ther Sport 2022; 55:271-281. [DOI: 10.1016/j.ptsp.2022.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/11/2022] [Accepted: 05/12/2022] [Indexed: 10/18/2022]
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21
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Koc BB, Truyens A, Heymans MJLF, Jansen EJP, Schotanus MGM. Effect of Low-Load Blood Flow Restriction Training After Anterior Cruciate Ligament Reconstruction: A Systematic Review. Int J Sports Phys Ther 2022; 17:334-346. [PMID: 35391871 PMCID: PMC8975583 DOI: 10.26603/001c.33151] [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: 07/26/2021] [Accepted: 01/23/2022] [Indexed: 11/18/2022] Open
Abstract
Background Quadriceps strength and mass deficits are common after anterior cruciate ligament (ACL) reconstruction. Postoperatively, heavy load resistance training can have detrimental effects on knee joint pain and ACL graft laxity. Therefore, low-load blood flow restriction (LL-BFR) training has been suggested as an alternative to traditional strength rehabilitation. Purpose The present systematic review aimed to investigate the effect of LL-BFR training on quadriceps strength, quadriceps mass, knee joint pain, and ACL graft laxity after ACL reconstruction compared to non-BFR training. Study design Systematic review. Methods A systematic literature search of PubMed, EMBASE.com, Cochrane Library/Wiley, CINAHL/Ebsco and Web of Science/Clarivate Analytics was performed on 19 February 2021. Studies were included if they compared LL-BFR and non-BFR training after ACL reconstruction with pre- and post-intervention quadriceps strength, quadriceps mass, knee joint pain or ACL graft laxity measurement. Systematic reviews, editorials, case reports and studies not published in a scientific peer reviewed journal were excluded. The risk of bias of randomized studies was assessed with the use of the Cochrane Risk of Bias Tool. Results A total of six randomized controlled trials were included. Random sequence generation and allocation concealment was defined as high risk in two of the six studies. In all studies blinding of participants and personnel was unclear or could not be performed. The included studies used different LL-BFR and non-BFR protocols with heterogeneous outcome measurements. Therefore, a qualitative analysis was performed. Two of the six studies assessed quadriceps strength and demonstrated significant greater quadriceps strength after LL-BFR compared to non-BFR training. Quadriceps mass was evaluated in four studies. Two studies observed significant greater quadriceps mass after LL-BFR compared to non-BFR training, while two studies observed no significant difference in quadriceps mass. Knee joint pain was assessed in three studies with significantly less knee joint pain after LL-BFR compared to non-BFR training. Two studies evaluated ACL graft laxity and observed no significant difference in ACL graft laxity between LL-BFR and non-BFR training. Conclusion The results of this systematic review indicate that LL-BFR training after ACL reconstruction may be beneficial on quadriceps strength, quadriceps mass, and knee joint pain compared to non-BFR training with non-detrimental effects on ACL graft laxity. However, more randomized controlled trials with standardized intervention protocols and outcome measurements are needed to add evidence on the clinical value of LL-BFR training. Level of evidence 2a.
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Affiliation(s)
- Baris B Koc
- Department of Orthopedics and Sports Surgery, Zuyderland Medical Center
| | - Alexander Truyens
- Department of Orthopedics and Sports Surgery, Zuyderland Medical Center
| | | | - Edwin J P Jansen
- Department of Orthopedics and Sports Surgery, Zuyderland Medical Center
| | - Martijn G M Schotanus
- Department of Orthopedics and Sports Surgery, Zuyderland Medical Centre; School of Care and Public Health Research Institute, Faculty of Health, Medicine & Life Sciences, Maastricht University Medical Centre
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22
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Costa GG, Perelli S, Grassi A, Russo A, Zaffagnini S, Monllau JC. Minimizing the risk of graft failure after anterior cruciate ligament reconstruction in athletes. A narrative review of the current evidence. J Exp Orthop 2022; 9:26. [PMID: 35292870 PMCID: PMC8924335 DOI: 10.1186/s40634-022-00461-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 02/28/2022] [Indexed: 01/11/2023] Open
Abstract
Anterior cruciate ligament (ACL) tear is one of the most common sport-related injuries and the request for ACL reconstructions is increasing nowadays. Unfortunately, ACL graft failures are reported in up to 34.2% in athletes, representing a traumatic and career-threatening event. It can be convenient to understand the various risk factors for ACL failure, in order to properly inform the patients about the expected outcomes and to minimize the chance of poor results. In literature, a multitude of studies have been performed on the failure risks after ACL reconstruction, but the huge amount of data may generate much confusion.The aim of this review is to resume the data collected from literature on the risk of graft failure after ACL reconstruction in athletes, focusing on the following three key points: individuate the predisposing factors to ACL reconstruction failure, analyze surgical aspects which may have significant impact on outcomes, highlight the current criteria regarding safe return to sport after ACL reconstruction.
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Affiliation(s)
- Giuseppe Gianluca Costa
- Orthopaedic and Traumatologic Unit, Umberto I Hospital, Azienda Sanitaria Provinciale di Enna, C.da Ferrante, 94100, Enna, Italy. .,Knee and Arthroscopy Unit, Institut Catalá de Traumatologia I Medicina de L'Esport (ICATME), Hospital Universitari Quiron Dexeus, Universitat Autonoma de Barcelona, Barcelona, Catalunya, Spain.
| | - Simone Perelli
- Knee and Arthroscopy Unit, Institut Catalá de Traumatologia I Medicina de L'Esport (ICATME), Hospital Universitari Quiron Dexeus, Universitat Autonoma de Barcelona, Barcelona, Catalunya, Spain.,Department of Surgery and Morphologic Science, Orthopaedic Surgery Service, Universitat Autonoma de Barcelona, Hospital Del Mar, Barcelona, Spain
| | - Alberto Grassi
- Clinica Ortopedica e Traumatologica II, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Arcangelo Russo
- Orthopaedic and Traumatologic Unit, Umberto I Hospital, Azienda Sanitaria Provinciale di Enna, C.da Ferrante, 94100, Enna, Italy
| | - Stefano Zaffagnini
- Clinica Ortopedica e Traumatologica II, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Juan Carlos Monllau
- Knee and Arthroscopy Unit, Institut Catalá de Traumatologia I Medicina de L'Esport (ICATME), Hospital Universitari Quiron Dexeus, Universitat Autonoma de Barcelona, Barcelona, Catalunya, Spain.,Department of Surgery and Morphologic Science, Orthopaedic Surgery Service, Universitat Autonoma de Barcelona, Hospital Del Mar, Barcelona, Spain
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23
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Suture tape reinforcement of hamstring tendon graft reduces postoperative knee laxity after primary ACL reconstruction. J Exp Orthop 2022; 9:20. [PMID: 35195796 PMCID: PMC8866616 DOI: 10.1186/s40634-022-00454-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 02/11/2022] [Indexed: 01/15/2023] Open
Abstract
Purpose To evaluate and compare subjective and objective knee outcomes following hamstring tendon (HT) and quadriceps tendon (QT) anterior cruciate ligament reconstruction (ACLR) with or without suture tape (ST) reinforcement. It was hypothesized that the addition of an intra-articular synthetic augmentation with a ST would reduce postoperative knee laxity and graft ruptures after ACLR. Methods A 1:1 matched-cohort comparison of patients who underwent HT and QT autograft ACLR with or without ST reinforcement was performed. Patients with ST reinforcement were consecutively assigned to the study groups until a number of 20 in each group was achieved. Medical records were reviewed for demographic characteristics and additional injuries. Laxity measurements with KT-1000, strength measurements and physical examination findings were collected both preoperatively and at 6 months and patient reported outcome (PRO) scores were collected both preoperatively and at 12 months, and comparison was made HT vs HT + ST and QT vs QT + ST. Reoperations and re-ruptures were recorded during the 24-month follow-up period. Results Overall, 80 patients who underwent ACLR were included. Patients with HT + ST had significant less laxity postoperatively compared to HT at 6 months, 1.9 vs 0.8 mm, p < 0.05. No differences were found between the QT and QT + ST group. At 6 weeks patients treated with ST, both QT and HT, had a significant deficit in flexion compared to those without ST. However, this resolved at 6 months. There were no significant differences between HT + ST vs HT, or QT + ST vs QT, regarding postoperative PROs or strength measurements. Furthermore, the incidence of subsequent surgery and graft rupture was not significantly different between the groups. Conclusion ACLR with HT + ST reduces laxity at 6 months compared to ACLR without ST, a difference not seen when ACLR was performed using QT with or without ST. No other differences were seen between the two techniques comparing subjective and objective findings. Level of evidence Level III.
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24
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Firth AD, Bryant DM, Litchfield R, McCormack RG, Heard M, MacDonald PB, Spalding T, Verdonk PC, Peterson D, Bardana D, Rezansoff A, Getgood AM, Willits K, Birmingham T, Hewison C, Wanlin S, Pinto R, Martindale A, O’Neill L, Jennings M, Daniluk M, Boyer D, Zomar M, Moon K, Moon R, Fan B, Mohan B, Buchko GM, Hiemstra LA, Kerslake S, Tynedal J, Stranges G, Mcrae S, Gullett L, Brown H, Legary A, Longo A, Christian M, Ferguson C, Mohtadi N, Barber R, Chan D, Campbell C, Garven A, Pulsifer K, Mayer M, Simunovic N, Duong A, Robinson D, Levy D, Skelly M, Shanmugaraj A, Howells F, Tough M, 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, Declerq G, Vuylsteke K, Van Haver M. Predictors of Graft Failure in Young Active Patients Undergoing Hamstring Autograft Anterior Cruciate Ligament Reconstruction With or Without a Lateral Extra-articular Tenodesis: The Stability Experience. Am J Sports Med 2022; 50:384-395. [PMID: 35050817 PMCID: PMC8829733 DOI: 10.1177/03635465211061150] [Citation(s) in RCA: 50] [Impact Index Per Article: 25.0] [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) reconstruction (ACLR) has higher failure rates in young active patients returning to sports as compared with older, less active individuals. Augmentation of ACLR with an anterolateral procedure has been shown to reduce failure rates; however, indications for this procedure have yet to be clearly defined. PURPOSE/HYPOTHESIS The purpose of this study was to identify predictors of ACL graft failure in high-risk patients and determine key indications for when hamstring ACLR should be augmented by a lateral extra-articular tenodesis (LET). We hypothesized that different preoperative characteristics and surgical variables may be associated with graft failure characterized by asymmetric pivot shift and graft rupture. STUDY DESIGN Case-control study; Level of evidence, 3. METHODS Data were obtained from the Stability 1 Study, a multicenter randomized controlled trial of young active patients undergoing autologous hamstring ACLR with or without a LET. We performed 2 multivariable logistic regression analyses, with asymmetric pivot shift and graft rupture as the dependent variables. The following were included as predictors: LET, age, sex, graft diameter, tear chronicity, preoperative high-grade knee laxity, preoperative hyperextension on the contralateral side, medial meniscal repair/excision, lateral meniscal repair/excision, posterior tibial slope angle, and return-to-sports exposure time and level. RESULTS Of the 618 patients in the Stability 1 Study, 568 with a mean age of 18.8 years (292 female; 51.4%) were included in this analysis. Asymmetric pivot shift occurred in 152 (26.8%) and graft rupture in 43 (7.6%). The addition of a LET (odds ratio [OR], 0.56; 95% CI, 0.37-0.83) and increased graft diameter (OR, 0.62; 95% CI, 0.44-0.87) were significantly associated with lower odds of asymmetric pivot shift. The addition of a LET (OR, 0.40; 95% CI, 0.18-0.91) and older age (OR, 0.83; 95% CI, 0.72-0.96) significantly reduced the odds of graft rupture, while greater tibial slope (OR, 1.15; 95% CI, 1.01-1.32), preoperative high-grade knee laxity (OR, 3.27; 95% CI, 1.45-7.41), and greater exposure time to sport (ie, earlier return to sport) (OR, 1.18; 95% CI, 1.08-1.29) were significantly associated with greater odds of rupture. CONCLUSION The addition of a LET and larger graft diameter were significantly associated with reduced odds of asymmetric pivot shift. Adding a LET was protective of graft rupture, while younger age, greater posterior tibial slope, high-grade knee laxity, and earlier return to sport were associated with increased odds of graft rupture. Orthopaedic surgeons should consider supplementing hamstring autograft ACLR with a LET in young active patients with morphological characteristics that make them at high risk of reinjury.
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Affiliation(s)
| | | | - Robert Litchfield
- London Health Sciences Centre, Western University, Fowler Kennedy Sport Medicine Clinic, London, Canada
| | | | | | | | - Tim Spalding
- University Hospitals Coventry Warwickshire NHS Trust, Coventry, UK
| | | | | | | | - Alex Rezansoff
- Sport Medicine Centre, University of Calgary, Calgary, Canada
| | | | - Alan M.J. Getgood
- Alan M.J. Getgood, MD, Fowler Kennedy Sport Medicine Clinic, Western University, 3M Centre, London, ON N6A 3K7, Canada () (Twitter: FKSMC_Getgood)
| | | | | | | | | | | | | | | | | | - Michal Daniluk
- London Health Sciences Centre, Western University, Fowler Kennedy Sport Medicine Clinic, London, Canada
| | | | | | | | | | | | - Bindu Mohan
- 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 the Fowler Kennedy Sport Medicine Clinic, Western University, London, Ontario, Canada
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25
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Predictors of patient satisfaction after primary hamstring anterior cruciate ligament reconstruction. Knee 2022; 34:246-251. [PMID: 35065328 DOI: 10.1016/j.knee.2022.01.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 09/26/2021] [Accepted: 01/06/2022] [Indexed: 02/02/2023]
Abstract
BACKGROUND Predictors of patient satisfaction (PS) after anterior cruciate ligament (ACL) reconstruction are not well known. This study investigated predictors of PS and whether PS was associated with pre-injury level of sport participation, patient reported knee function and quality of life after ACL reconstruction. METHODS Patients who underwent primary hamstring ACL reconstruction between January 2015 and December 2017 were retrospectively evaluated. An online survey was used to evaluate PS (yes = satisfied, no = unsatisfied), duration of supervised postoperative rehabilitation, timing of return to pre-injury level of sport, pre-injury level of sport participation, patient reported knee function and quality of life. Preoperative, operative and postoperative variables were collected from the medical records. RESULTS A total of 183 patients completed the survey at a median of 3.6 (1.5) years after ACL surgery. At final follow-up, 82% of patients were satisfied with the outcome. Preoperative (e.g. age) and operative (e.g. meniscal tear) variables were not predictors of PS (p > 0.05). Duration of supervised postoperative rehabilitation, timing of return to pre-injury level of sport and postoperative ACL injury were predictors of PS (p = 0.018, p = 0.016 and p < 0.001, respectively). Pre-injury level of sport participation was significantly higher in satisfied compared to unsatisfied patients: 44.7% (n = 67) versus 18.2% (n = 6) (p = 0.005). In addition, satisfied patients reported significantly higher patient reported knee function and quality of life compared to unsatisfied patients (p < 0.001). CONCLUSION This study provided data on predictors of PS after primary ACL reconstruction. Furthermore, PS was associated with pre-injury level of sport participation, patient reported knee function and quality of life.
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Different timing in allograft and autograft maturation after primary anterior cruciate ligament reconstruction does not influence the clinical outcome at mid-long-term follow-up. Knee Surg Sports Traumatol Arthrosc 2022; 30:2281-2290. [PMID: 34782927 PMCID: PMC8592808 DOI: 10.1007/s00167-021-06785-4] [Citation(s) in RCA: 2] [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: 04/06/2021] [Accepted: 10/25/2021] [Indexed: 11/17/2022]
Abstract
PURPOSE The use of allografts in primary anterior cruciate ligament reconstruction (ACLR) is increasing although they are still supposed to be associated to greater risk of re-rupture due to a slower and less efficient graft maturation. The aim of this prospective randomized controlled study was to compare the graft maturation after ACLR with allograft and autograft by MRI at 6- and 12-month follow-up and integrate these data with the functional and clinical results observed at 6-, 12- and 60-month follow-up. METHODS Fifty patients with indication to primary ACLR were randomly and equally divided into hamstring autograft or allograft tendon groups. The graft maturation was measured at 6- and 12-month follow-up by the SNQ score and other radiological parameters on MRI scans. Clinical and functional recovery was evaluated by Lysholm score, Visual Analogues Scale, Tegner activity scale and modified Cincinnati knee rating system at 6, 12 and 60 months after surgery to estimate the predictive value of the radiological parameters for clinical outcomes. Return-to-sport (ACL-RSI) was measured 60 months after surgery. RESULTS Three patients had retear of the neo-ligament (two from Auto group and one from Allo group). All the clinical/functional parameters significantly improved over time, with no statistically significant difference between the groups. At 6 months, the SNQ value was significantly higher in the Auto than in the Allo group (12.9 vs 7.9, p = 0.038), but at 12 months they were comparable (9.8 vs 10.4). The 6-month SNQ values did not correlate with the clinical scores, whereas the 12-month SNQ values significantly correlated with the Cincinnati score, Lysholm score and Tegner activity scale collected at 60-month follow-up. CONCLUSION No clinical or functional differences have been found between the two treatment groups, supporting the suitability of using allograft in primary ACLR, when available. The results at MRI scans showed a different graft maturation trend in the two groups, with allografts being more reactive in the first 6 months. MRI together with the subjective evaluation allows to evaluate objectively the status of the neo-ligamentization process and therefore helps the surgeon to dictate the individual time for return-to-sport. LEVEL OF EVIDENCE Level I.
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27
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Lutz PM, Achtnich A, Schütte V, Woertler K, Imhoff AB, Willinger L. Anterior cruciate ligament autograft maturation on sequential postoperative MRI is not correlated with clinical outcome and anterior knee stability. Knee Surg Sports Traumatol Arthrosc 2022; 30:3258-3267. [PMID: 34739559 PMCID: PMC9464175 DOI: 10.1007/s00167-021-06777-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 10/18/2021] [Indexed: 01/22/2023]
Abstract
PURPOSE Magnetic resonance imaging (MRI) signal intensity is correlated to structural postoperative changes of the anterior cruciate ligament (ACL) autograft. The purpose of this study was to investigate the ACL autograft maturation process via MRI over 2 years postoperatively, compare it to a native ACL signal and correlate the results with clinical outcome, return to preinjury sports levels, and knee laxity measurements. METHODS ACL autograft signal intensity was measured in 17 male patients (age, 28.3 ± 7.0 years) who underwent ACL reconstruction with hamstring autograft at 6 weeks, 3-, 6-, 12-, and 24 months postoperatively by 3 Tesla MRI. Controls with an intact ACL served as control group (22 males, 8 females; age, 26.7 ± 6.8 years). An ACL/PCL ratio (APR) and ACL/muscle ratio (AMR) was calculated to normalize signals to soft tissue signal. APR and AMR were compared across time and to native ACL signal. Clinical outcome scores (IKDC, Lysholm), return to preinjury sports levels (Tegner activity scale), and knee laxity measurement (KT-1000) were obtained and correlated to APR and AMR at the respective time points. RESULTS The APR and AMR of the ACL graft changed significantly from the lowest values at 6 weeks to reach the highest intensity after 6 months (p < 0.001). Then, the APR and AMR were significantly different from a native ACL 6 months after surgery (p < 0.01) but approached the APR and AMR of the native ACL at 1- and 2 years after surgery (p < 0.05). The APR changed significantly during the first 2 years postoperatively in the proximal (p < 0.001), mid-substance (p < 0.001), and distal (p < 0.01) intraarticular portion of the ACL autograft. A hypo-intense ACL MRI signal was associated with return to the preinjury sports level (p < 0.05). No correlation was found between ACL MRI graft signal and clinical outcome scores or KT-1000 measurements. CONCLUSION ACL grafts undergo a continuous maturation process in the first 2 years after surgery. The ACL graft signals became hyper-intense 6 months postoperatively and approximated the signal of a native intact ACL at 12- and 24 months. Patients with a hypo-intense ACL graft signal at 2 years follow-up were more likely to return to preinjury sports levels. The results of the present study provide a template for monitoring the normal ACL maturation process via MRI in case of prolonged clinical symptoms. However, subjective outcome and clinical examination of knee laxity remain important to assess the treatment success and to allow to return to sports. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Patricia M. Lutz
- Department for Orthopedic Sports Medicine, Technical University Munich, Ismaninger Strasse 22, 81675 Munich, Germany
| | - Andrea Achtnich
- Department for Orthopedic Sports Medicine, Technical University Munich, Ismaninger Strasse 22, 81675 Munich, Germany
| | - Vincent Schütte
- Department for Orthopedic and Trauma Surgery, Martin-Luther-University Halle-Wittenberg, Ernst-Grube-Strasse 40, 06120 Halle (Saale), Germany
| | - Klaus Woertler
- Department of Diagnostic and Interventional Radiology, Technical University of Munich, Ismaninger Strasse 22, 81675 Munich, Germany
| | - Andreas B. Imhoff
- Department for Orthopedic Sports Medicine, Technical University Munich, Ismaninger Strasse 22, 81675 Munich, Germany
| | - Lukas Willinger
- Department for Orthopedic Sports Medicine, Technical University Munich, Ismaninger Strasse 22, 81675 Munich, Germany
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28
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Chronological changes in cross-sectional area of the bone-patellar tendon-bone autograft after anatomic rectangular tunnel ACL reconstruction. Knee Surg Sports Traumatol Arthrosc 2021; 29:3782-3792. [PMID: 33452577 DOI: 10.1007/s00167-020-06404-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 12/07/2020] [Indexed: 01/12/2023]
Abstract
PURPOSE The purpose of this study was to evaluate the change in cross-sectional area (CSA) of bone-patellar tendon-bone (BTB) autografts up to 5 years after the anatomic rectangular tunnel (ART) anterior cruciate ligament reconstruction (ACLR). The changing pattern in CSA might be a potential indicator of the graft remodeling process. METHODS Ninety-six (62 males, 34 females, mean age 27.0 years) patients were enrolled in this study with a total of 220 MRI scans after ART BTB ACLR to evaluate the CSA of the ACL autografts. The patients with first time unilateral ACLR that consented to undergo MRI evaluations at postoperative periods were included in this study. Intraoperatively, the CSA of the graft was measured directly using a custom-made area micrometer at the midpoint of the graft. Postoperatively, using an oblique axial slice MRI that was perpendicular to the long axis of the graft, the CSA of the graft was measured with digital radiology viewing program "SYNAPSE" at the midpoint of the graft. The postoperative MRI scans were classified into seven groups according to the period from ACLR to MRI evaluation: Group 0-2 months (m.), Group 3-6 m., Group 7-12 m., Group 1-2 years (y.), Group 2-3 y., Group 3-4 y., and Group 4 y.-. The percent increase of the CSA was calculated by dividing the postoperative CSA by the intraoperative CSA. RESULTS The postoperative CSA was significantly larger than the intraoperative CSA in each group, with the exception of Group 0-2 m. The mean percent increase of the CSA in Group 0-2 m., 3-6 m., 7-12 m., 1-2 y., 2-3 y., 3-4 y., 4 y.- was 101.8 ± 18.2, 188.9 ± 27.4, 190.9 ± 43.7, 183.3 ± 28.9, 175.2 ± 27.9, 163.9 ± 19.8, 164.5 ± 25.4% respectively. The percent increase in Group 3-6 m., 7-12 m., 1-2 y., 2-3 y., 3-4 y., and 4 y.- was significantly greater than that in Group 0-2 m. CONCLUSIONS The CSA of the BTB autografts after the ART BTB ACLR increases rapidly by 3-6 months after ACLR, reached a maximum value of 190% at around 1 year, decreases gradually after that, and reaches a plateau at around 3 years. The current study might help clinicians to estimate an individual BTB autograft's remodeling stages when considering returning patients to sports. LEVEL OF EVIDENCE IV.
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