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Fradin T, Saithna A, Haidar IM, Rayes J, El Helou A, Ngbilo C, Pioger C, Vieira TD, Hopper GP, Sonnery-Cottet B. Management of the Failed First Revision ACL Reconstruction: Clinical Outcomes of Nonsurgical Management Versus Second Revision ACL Reconstruction From the SANTI Group. Am J Sports Med 2022; 50:3236-3243. [PMID: 36074032 DOI: 10.1177/03635465221119202] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND The optimum management strategy after failure of revision anterior cruciate ligament reconstruction (RACLR) is not clearly defined. The literature evaluating differences in outcomes between surgical and nonsurgical management is sparse. PURPOSE/HYPOTHESIS The purpose was to evaluate the outcomes of surgical versus nonsurgical management of failed first RACLR. It was hypothesized that the long-term clinical outcomes of second RACLR would be superior with respect to knee stability, return to sport, and patient-reported outcome measures when compared with nonsurgical treatment. STUDY DESIGN Cohort study; Level of evidence, 3. METHODS Patients who experienced failure of first RACLR were evaluated. All participants followed the same rehabilitation protocol regardless of whether they underwent nonsurgical treatment or a second RACLR. Follow-up comprised regular clinical review and a standardized telephone interview at the end of the study period. Patient-reported outcome measures were recorded at the final follow-up. RESULTS A total of 41 patients with a mean follow-up of 104 ± 52.7 months (range, 40-140 months) were evaluated. Of these, 31 underwent a second RACLR, and 10 patients chose nonsurgical treatment. There was a high rate of return to sport in both groups, but patients undergoing second RACLR had significantly better Tegner (6.35 vs 4.8; P = .012), Lysholm (88.5 vs 78.3; P = .0353), Knee injury and Osteoarthritis Outcome Score (KOOS) Quality of Life (72.6 vs 56.3; P = .0490), and KOOS Sport and Recreation scores (81.4 vs 62.5; P = .0033). Significantly more patients undergoing second RACLR achieved the Patient Acceptable Symptom State for KOOS Sport and Recreation than those who underwent nonsurgical management (74.2% vs 30%; P = .015). The most important predictor of failure to achieve a good/excellent Lysholm score in multivariate analysis was nonsurgical management (P = .0095). CONCLUSION Both second RACLR and nonsurgical management of failed first RACLR were associated with high rates of return to sport. However, second RACLR was associated with significantly better functional outcome scores with respect to Tegner, Lysholm, KOOS Quality of Life, and KOOS Sport and Recreation scores compared to nonsurgical management. In addition, nonsurgical treatment was the only significant predictor of failure to achieve a good/excellent Lysholm score at the final follow-up, and this was likely a function of inferior knee stability in that group.
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Affiliation(s)
- Thomas Fradin
- Centre Orthopédique Santy, FIFA Medical Center of Excellence, Hôpital Privé Jean Mermoz, Groupe GDS-Ramsay, Lyon, France
| | - Adnan Saithna
- Arizona Brain, Spine & Sports Injuries Center, Scottsdale, Arizona, USA
| | - Ibrahim M Haidar
- Centre Orthopédique Santy, FIFA Medical Center of Excellence, Hôpital Privé Jean Mermoz, Groupe GDS-Ramsay, Lyon, France
| | - Johnny Rayes
- Centre Orthopédique Santy, FIFA Medical Center of Excellence, Hôpital Privé Jean Mermoz, Groupe GDS-Ramsay, Lyon, France
| | - Abdo El Helou
- Centre Orthopédique Santy, FIFA Medical Center of Excellence, Hôpital Privé Jean Mermoz, Groupe GDS-Ramsay, Lyon, France
| | - Cedric Ngbilo
- Centre Orthopédique Santy, FIFA Medical Center of Excellence, Hôpital Privé Jean Mermoz, Groupe GDS-Ramsay, Lyon, France
| | - Charles Pioger
- Centre Orthopédique Santy, FIFA Medical Center of Excellence, Hôpital Privé Jean Mermoz, Groupe GDS-Ramsay, Lyon, France
| | - Thais Dutra Vieira
- Centre Orthopédique Santy, FIFA Medical Center of Excellence, Hôpital Privé Jean Mermoz, Groupe GDS-Ramsay, Lyon, France
| | - Graeme P Hopper
- Centre Orthopédique Santy, FIFA Medical Center of Excellence, Hôpital Privé Jean Mermoz, Groupe GDS-Ramsay, Lyon, France
| | - Bertrand Sonnery-Cottet
- Centre Orthopédique Santy, FIFA Medical Center of Excellence, Hôpital Privé Jean Mermoz, Groupe GDS-Ramsay, Lyon, France
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Gorodischer TD, Zicaro JP, Yacuzzi C, Costa Paz M. Good Short-Term Clinical Outcomes and Low Rates of Return to Sports after Repeat Revision ACL Reconstruction. J Knee Surg 2022; 35:1312-1319. [PMID: 33545723 DOI: 10.1055/s-0041-1723765] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Repeat revision anterior cruciate ligament reconstruction (ACL-R) is a rare, demanding procedure and, as such, has not been well studied. Most of the available literature shows improved functional outcomes compared with preoperative state but inferior results when compared with primary ACL-R, particularly regarding return to preinjury level of sports. The purpose of this study was to assess functional outcomes in patients who had undergone repeat revision ACL-R. The secondary aims were to register return to sports, associated meniscal and/or chondral lesions, and evaluate radiological anatomical parameters. Nine patients between 2011 and 2017 were evaluated, who had a minimum follow-up of 2 years. Median age at repeat ACL-R was 32 years (interquartile range [IQR], 30-34 years) and the median follow-up was 27 months (IQR, 24-39 months). Data collected prior to surgery and at last follow-up included patient demographics, operative findings, physical examination findings including pivot shift and KT-1000 arthrometer measurement; Lysholm and International Knee Documentation Committee (IKDC) subjective scores; and return to sports and level using the Tegner score. Knee Injury and Osteoarthritis Outcome Score (KOOS) subjective score and radiographic anatomical parameters were recorded at last follow-up. Mean IKDC and Lysholm score improvement was 25 points (confidence interval [CI] 12-37) and 25 points (CI 11-39), respectively (p < 0.001). The median postoperative KOOS score was pain: 93 (IQR, 64-96); symptoms: 94 (IQR, 83-97); activities of daily life: 96 (IQR, 90-100); sports: 75 (IQR, 50-90); and quality of life: 50 (IQR, 43-81). Postoperative median side-to-side KT-1000 arthrometer difference was 2 mm (IQR, 1-8 mm). The median radiographic posterior tibial slope was 10 degrees (IQR, 9-10). One patient was considered a failure at 16 months postoperative. Only 44% (four out of nine) patients were able to return to their sports. None of these patients had a cartilage injury, while three out of five patients who did not return to their sports had International Cartilage Regeneration & Joint Preservation Society grade III or IV cartilage injury. Patients should be counseled on the challenging outcomes of repeat revision ACL-R. This is Level IV, therapeutic case series.
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Affiliation(s)
- Tomás D Gorodischer
- Department of Orthopaedics and Traumatology, Institute of Orthopedics "Carlos E. Ottolenghi," Italian Hospital of Buenos Aires, Buenos Aires, Argentina
| | - Juan Pablo Zicaro
- Department of Orthopaedics and Traumatology, Institute of Orthopedics "Carlos E. Ottolenghi," Italian Hospital of Buenos Aires, Buenos Aires, Argentina
| | - Carlos Yacuzzi
- Department of Orthopaedics and Traumatology, Institute of Orthopedics "Carlos E. Ottolenghi," Italian Hospital of Buenos Aires, Buenos Aires, Argentina
| | - Matías Costa Paz
- Department of Orthopaedics and Traumatology, Institute of Orthopedics "Carlos E. Ottolenghi," Italian Hospital of Buenos Aires, Buenos Aires, Argentina
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Sonnery-Cottet B, Haidar I, Rayes J, Fradin T, Ngbilo C, Vieira TD, Freychet B, Ouanezar H, Saithna A. Long-term Graft Rupture Rates After Combined ACL and Anterolateral Ligament Reconstruction Versus Isolated ACL Reconstruction: A Matched-Pair Analysis From the SANTI Study Group. Am J Sports Med 2021; 49:2889-2897. [PMID: 34351825 DOI: 10.1177/03635465211028990] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Clinical studies have demonstrated significant advantages of combined anterior cruciate ligament and anterolateral ligament reconstruction (ACL+ALLR) over isolated ACL reconstruction (ACLR) with respect to reduced graft rupture rates, a lower risk of reoperation for secondary meniscectomy, improved knee stability, and higher rates of return to sports. However, no long-term studies exist. PURPOSE/HYPOTHESIS The purpose of this study was to compare the outcomes of isolated ACLR versus ACL+ALLR at long-term follow-up. The hypothesis was that patients who underwent combined procedures would experience significantly lower rates of graft rupture. STUDY DESIGN Cohort study; Level of evidence, 3. METHODS Patients undergoing primary ACL+ALLR between January 2011 and March 2012 were propensity matched in a 1:1 ratio to patients who underwent isolated ACLR during the same period. A combination of face-to-face and telemedicine postoperative follow-up was undertaken. At the end of the study period (March 2020), medical notes and a final telemedicine interview were used to determine whether patients had experienced any complications or reoperations. The Knee injury and Osteoarthritis Outcome Score, International Knee Documentation Committee score, Lysholm score, and Tegner score were collected for all patients. Graft survivorship was assessed using Kaplan-Meier analysis. Logistic regression was performed to account for the potential effect of activity level on graft rupture rates. RESULTS A total of 86 matched pairs were included in the study. The mean ± SD age was 32.2 ± 8.8 years (range, 22-67 years) in the ACL+ALLR group and 34.7 ± 8.5 years (range, 21-61 years) in the isolated ACLR group. The mean duration of follow-up was 104.33 ± 3.74 months (range, 97-111 months). Patients who underwent combined ACL+ALLR versus isolated ACLR experienced significantly better ACL graft survivorship (96.5% vs 82.6%, respectively; P = .0027), lower overall rates of reoperation (15.3% vs 32.6%; P < .05), and lower rates of revision ACLR (3.5% vs 17.4%; P < .05). Patients undergoing isolated ACLR were at >5-fold greater risk of graft rupture (odds ratio, 5.549; 95% CI, 1.431-21.511; P = .0132), regardless of their preinjury activity level. There were no significant differences between groups with respect to other complications or any clinically important differences in patient-reported outcome measures. CONCLUSION Patients who underwent combined ACL+ALLR experienced significantly better long-term ACL graft survivorship, lower overall rates of reoperation, and no increase in complications compared with patients who underwent isolated ACLR. Further, patients who underwent isolated ACLR had a >5-fold increased risk of undergoing revision surgery at a mean follow-up of 104.3 months.
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Affiliation(s)
- Bertrand Sonnery-Cottet
- Centre Orthopédique Santy, Lyon, France.,Hôpital Privé Jean Mermoz, Ramsay-Générale de Santé, Lyon, France
| | - Ibrahim Haidar
- Centre Orthopédique Santy, Lyon, France.,Hôpital Privé Jean Mermoz, Ramsay-Générale de Santé, Lyon, France
| | - Johnny Rayes
- Centre Orthopédique Santy, Lyon, France.,Hôpital Privé Jean Mermoz, Ramsay-Générale de Santé, Lyon, France
| | - Thomas Fradin
- Centre Orthopédique Santy, Lyon, France.,Hôpital Privé Jean Mermoz, Ramsay-Générale de Santé, Lyon, France
| | - Cedric Ngbilo
- Centre Orthopédique Santy, Lyon, France.,Hôpital Privé Jean Mermoz, Ramsay-Générale de Santé, Lyon, France
| | - Thais Dutra Vieira
- Centre Orthopédique Santy, Lyon, France.,Hôpital Privé Jean Mermoz, Ramsay-Générale de Santé, Lyon, France
| | - Benjamin Freychet
- Centre Orthopédique Santy, Lyon, France.,Hôpital Privé Jean Mermoz, Ramsay-Générale de Santé, Lyon, France
| | - Herve Ouanezar
- HMS Group FIFA Medical Centre of Excellence Dubai, United Arab Emirates
| | - Adnan Saithna
- Arizona Brain, Spine & Sports Injuries Center, Scottsdale, Arizona, USA
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4
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Ra HJ, Kim JH, Lee DH. Comparative clinical outcomes of anterolateral ligament reconstruction versus lateral extra-articular tenodesis in combination with anterior cruciate ligament reconstruction: systematic review and meta-analysis. Arch Orthop Trauma Surg 2020; 140:923-931. [PMID: 32140829 DOI: 10.1007/s00402-020-03393-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Indexed: 12/22/2022]
Abstract
BACKGROUND Anterolateral augmentation procedures can be divided into traditional lateral extra-articular tenodesis (LET) and modern anterolateral ligament (ALL) reconstruction. Nevertheless, no studies have compared the clinical results between LET and ALL reconstruction, when combined with intra-articular ACL reconstruction. This study was therefore designed to compare the clinical results, including the anterior translation, rotational laxity, and patient-reported outcomes, in a group of patients who underwent ACL reconstruction combined with LET or ALL reconstruction. METHODS All studies systematically searched until March 2018 without any language restriction that reported the results of a lateral extra-articular stabilization procedure using either LET or ALL reconstruction methods combined with ACL reconstruction were evaluated. Two reviewers independently recorded data from each study, including the sample size, improvement in Lysholm score, and the number of patients with each grade of knee laxity using Lachman and pivot shift tests. RESULTS The pooled results of ten studies showed that the postoperative proportion of knees with grade 2 or 3 on the Lachman test was significantly higher following LET compared with ALL reconstruction in combination with ACL reconstruction (10.8%, 95% confidence interval [CI]: 6.6-17.1% vs. 1.5%, 95% CI 0.5-4.5%; p = 0.001). However, the pooled results of 12 studies showed that the proportion of knees that belonged to grade 2 or 3 on the pivot shift test, indicating poor rotational stability, was similar between these two techniques (4.9%, 95% CI 2.0-11.5% vs. 2.3%, 95% CI 1.1-4.5%; p = 0.101). The pooled improvements in Lysholm scores in these two groups were also similar (32.3, 95% CI 26.8-37.9 vs. 25.7, 95% CI 16.7-34.7, p = 0.218). CONCLUSION LET could lead to worse anterior instability than with ALL reconstruction when these two approaches were combined with single-bundle ACL reconstruction. However, rotational stability and patient-reported outcomes were similar between the techniques.
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Affiliation(s)
- Ho Jong Ra
- Department of Orthopedic Surgery, Gangneung Asan Hospital, College of Medicine, Ulsan University, Gangneung, Republic of Korea
| | - Jun-Ho Kim
- Department of Orthopaedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Ilwon-ro, Gangnam-gu, Seoul, 06351, Republic of Korea
| | - Dae-Hee Lee
- Department of Orthopaedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Ilwon-ro, Gangnam-gu, Seoul, 06351, Republic of Korea.
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Modified Lemaire Lateral Extra-articular Tenodesis in the Pediatric Patient: An Adjunct to Anterior Cruciate Ligament Reconstruction. Arthrosc Tech 2019; 9:e111-e116. [PMID: 32021783 PMCID: PMC6993266 DOI: 10.1016/j.eats.2019.09.010] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 09/11/2019] [Indexed: 02/03/2023] Open
Abstract
Recent literature has identified a population of active adolescents aged 13 to 15 years who are at high risk for anterior cruciate ligament graft rupture. Addressing the anterolateral complex during primary anterior cruciate ligament reconstruction has recently re-emerged in the literature, with various techniques available. This paper aims to describe a lateral extra-articular tenodesis procedure using the iliotibial band with a modified Lemaire technique. This procedure is recommended for active adolescents at a high risk of graft re-tear as an enhancement to primary anterior cruciate ligament reconstruction with soft-tissue graft.
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6
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Weber AE, Zuke W, Mayer EN, Forsythe B, Getgood A, Verma NN, Bach BR, Bedi A, Cole BJ. Lateral Augmentation Procedures in Anterior Cruciate Ligament Reconstruction: Anatomic, Biomechanical, Imaging, and Clinical Evidence. Am J Sports Med 2019; 47:740-752. [PMID: 29401410 DOI: 10.1177/0363546517751140] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND There has been an increasing interest in lateral-based soft tissue reconstructive techniques as augments to anterior cruciate ligament reconstruction (ACLR). The objective of these procedures is to minimize anterolateral rotational instability of the knee after surgery. Despite the relatively rapid increase in surgical application of these techniques, many clinical questions remain. PURPOSE To provide a comprehensive update on the current state of these lateral-based augmentation procedures by reviewing the origins of the surgical techniques, the biomechanical data to support their use, and the clinical results to date. STUDY DESIGN Systematic review. METHODS A systematic search of the literature was conducted via the Medline, EMBASE, Scopus, SportDiscus, and CINAHL databases. The search was designed to encompass the literature on lateral extra-articular tenodesis (LET) procedures and the anterolateral ligament (ALL) reconstruction. Titles and abstracts were reviewed for relevance and sorted into the following categories: anatomy, biomechanics, imaging/diagnostics, surgical techniques, and clinical outcomes. RESULTS The search identified 4016 articles. After review for relevance, 31, 53, 27, 35, 45, and 78 articles described the anatomy, biomechanics, imaging/diagnostics, surgical techniques, and clinical outcomes of either LET procedures or the ALL reconstruction, respectively. A multitude of investigations were available, revealing controversy in addition to consensus in several categories. The level of evidence obtained from this search was not adequate for systematic review or meta-analysis; thus, a current concepts review of the anatomy, biomechanics, imaging, surgical techniques, and clinical outcomes was performed. CONCLUSION Histologically, the ALL appears to be a distinct structure that can be identified with advanced imaging techniques. Biomechanical evidence suggests that the anterolateral structures of the knee, including the ALL, contribute to minimizing anterolateral rotational instability. Cadaveric studies of combined ACLR-LET procedures demonstrated overconstraint of the knee; however, these findings have yet to be reproduced in the clinical literature. The current indications for LET augmentation in the setting of ACLR and the effect on knee kinematic and joint preservation should be the subject of future research.
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Affiliation(s)
- Alexander E Weber
- Department of Orthopaedic Surgery, University of Southern California, Los Angeles, California, USA
| | - William Zuke
- Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, Illinois, USA
| | - Erik N Mayer
- Department of Orthopaedic Surgery, University of Southern California, Los Angeles, California, USA
| | - Brian Forsythe
- Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, Illinois, USA
| | - Alan Getgood
- Fowler Kennedy Sports Clinic, Western University, London, Ontario, Canada
| | - Nikhil N Verma
- Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, Illinois, USA
| | - Bernard R Bach
- Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, Illinois, USA
| | - Asheesh Bedi
- Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, Michigan, USA
| | - Brian J Cole
- Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, Illinois, USA
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Germann M, Snedeker JG, Stalder M, Nuss KM, Meyer DC, Farshad M. Incorporating BMP-2 and skeletal muscle to a semitendinosus autograft in an oversized tunnel yields robust bone tunnel ossification in rabbits: Toward single-step revision of failed anterior cruciate ligament reconstruction. Knee 2018; 25:765-773. [PMID: 30057249 DOI: 10.1016/j.knee.2018.07.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Revised: 05/10/2018] [Accepted: 07/12/2018] [Indexed: 02/02/2023]
Abstract
BACKGROUND Bone tunnel widening after anterior cruciate ligament (ACL) reconstruction is a known complication that can lead to graft failure. Subsequent revision surgery typically involves a two-stage procedure. The aim of this study was to test a novel autologous tendon graft retaining muscle tissue combined with Human Recombinant Bone Morphogenetic Protein-2 (rh-BMP-2) leading to rapid ossification of the muscle tissue, simultaneously replenishing bone stock and producing a mechanically stable bone-tendon insertion. METHODS In 12 skeletally mature New Zealand rabbits, the ACL was resected and oversized bone tunnels were drilled to model tunnel widening. The ipsilateral semitendinosus muscle-tendon graft was harvested and folded twice. Muscle tissue was removed in the middle third but retained at both distal ends. One side was wrapped in a collagen sponge loaded with rh-BMP-2 while the other end was used as its own control. RESULTS All animals were euthanized after six weeks. Micro-computed tomography (micro-CT) was used to analyze bone formation in 12 animals, with additional biomechanical testing to failure and histology performed for six animals each. Micro-CT showed that bone densities were higher by a factor of 2.4 in treated graft ends compared with their controls. Biomechanical testing showed a mean overall failure load of 37.5 N. Histology showed that the trabecular bone surrounding the implant was significantly (P = 0.0087) thicker on the treated (85.5 μm) compared with the control side (68.2 μm). CONCLUSIONS We conclude that a semitendinosus graft retaining the muscle tissue stimulated by recombinant Bone Morphogenetic Protein-2 (BMP-2) allows robust osseointegration of the graft within an oversized bone tunnel in an animal model.
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Affiliation(s)
- Marco Germann
- Orthopaedic Department, Balgrist University Hospital, University of Zurich, Forchstrasse 340, CH-8008 Zurich, Switzerland.
| | - Jess G Snedeker
- Orthopaedic Department, Balgrist University Hospital, University of Zurich, Forchstrasse 340, CH-8008 Zurich, Switzerland
| | - Michael Stalder
- Orthopaedic Department, Balgrist University Hospital, University of Zurich, Forchstrasse 340, CH-8008 Zurich, Switzerland
| | - Katja M Nuss
- Musculoskeletal Research Unit (MSRU), Vetsuisse Faculty, University of Zürich, Winterthurerstrasse 260, 8057 Zürich, Switzerland
| | - Dominik C Meyer
- Orthopaedic Department, Balgrist University Hospital, University of Zurich, Forchstrasse 340, CH-8008 Zurich, Switzerland
| | - Mazda Farshad
- Orthopaedic Department, Balgrist University Hospital, University of Zurich, Forchstrasse 340, CH-8008 Zurich, Switzerland
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Biazzo A, Manzotti A, Motavalli K, Confalonieri N. Femoral press-fit fixation versus interference screw fixation in anterior cruciate ligament reconstruction with bone-patellar tendon-bone autograft: 20-year follow-up. J Clin Orthop Trauma 2018; 9:116-120. [PMID: 29896012 PMCID: PMC5995157 DOI: 10.1016/j.jcot.2018.02.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 12/21/2017] [Accepted: 02/22/2018] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION The aim of this paper is to present our experience with femoral press-fit fixation in anterior cruciate ligament reconstruction using bone-patellar tendon-bone autograft. METHODS The patient population was randomly placed in two groups: group A (58 patients), who underwent femoral screw fixation; group B (62 patients), who underwent femoral press-fit fixation. RESULTS At last follow-up 9.2% of patients were lost; 28% of patients in group A and 64% of patients in group B had excellent International Knee Documentation Committee score (grade A); 66% of patients in group A and 32% of patients in group B had good International Knee Documentation Committee scores (grade B). The difference was statistically significant (p < 0.05). CONCLUSIONS Femoral press-fit fixation of bone- patellar tendon- bone autograft provides stable fixation at low cost, it ensures unlimited bone-to-bone healing and high primary stability, avoiding the disadvantages of hardware and the need for removal in case of revision.
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Affiliation(s)
- A. Biazzo
- Orthopaedic Department, ASST Gaetano Pini-CTO, via Bignami 1, 20126 Milano, Italy
- Corresponding author.
| | - A. Manzotti
- Orthopaedic Department, Ospedale Luigi Sacco, Via Giovanni Battista Grassi, 74, 20157 Milano, Italy
| | - K. Motavalli
- Orthopaedic Department, ASST Gaetano Pini-CTO, via Bignami 1, 20126 Milano, Italy
| | - N. Confalonieri
- Orthopaedic Department, ASST Gaetano Pini-CTO, via Bignami 1, 20126 Milano, Italy
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Zaffagnini S, Marcheggiani Muccioli GM, Grassi A, Roberti di Sarsina T, Raggi F, Signorelli C, Urrizola F, Spinnato P, Rimondi E, Marcacci M. Over-the-top ACL Reconstruction Plus Extra-articular Lateral Tenodesis With Hamstring Tendon Grafts: Prospective Evaluation With 20-Year Minimum Follow-up. Am J Sports Med 2017; 45:3233-3242. [PMID: 28922015 DOI: 10.1177/0363546517723013] [Citation(s) in RCA: 92] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND There are few published studies with very long-term follow-up of combined intra- and extra-articular anterior cruciate ligament (ACL) reconstruction. PURPOSE To analyze clinical and radiographic outcomes of over-the-top ACL reconstruction plus extra-articular lateral tenodesis with autologous hamstrings at minimum 20-year follow-up. STUDY DESIGN Case series; Level of evidence, 4. METHODS Of 60 originally eligible patients who underwent over-the-top ACL reconstruction with double-stranded hamstring tendon (leaving intact graft tibial insertions) and extra-articular lateral plasty (performed with the remnant part of tendons), 52 were prospectively evaluated at a minimum 20-year follow-up (mean follow-up, 24 years; 41 men, 11 women; mean age at time of surgery, 25.5 ± 7.6 years). Twenty-nine patients were available for prospective evaluations: clinical (Lysholm, Tegner, and objective International Knee Documentation Committee [IKDC]), instrumented (KT-2000), and radiographic (standard, long-standing, and Merchant views). Subjective KOOS (Knee injury and Osteoarthritis Outcome Score) and objective inertial sensor pivot-shift analysis (KiRA) were carried out at final follow-up. Twenty-three patients were investigated by phone interview for subjective Tegner score and documented complications, rerupture, or revision surgery. RESULTS At final follow-up, mean Lysholm score was 85.7 ± 14.6; median Tegner score, 4 (range, 3-5); sport activity resumption, 86.2%; and objective IKDC score, good or excellent in 86% of patients (31%, A; 55%, B). Only 3 of 26 patients (12%) had >5-mm manual maximum KT-2000 side-to-side difference. KiRA system documented positive pivot-shift (>0.9-m/s2 tibial acceleration side-to-side difference) in these 3 of 26 patients (12%). Statistically significant changes were as follows: decrease in Tegner score from 7 (range, 6-8) at 5-year follow-up to 4 (range, 3-5) at 10 years ( P < .0001) and decrease in Lysholm score from 96.1 ± 7.3 at 10-year follow-up to 85.7 ± 14.6 at 20 years ( P = .0003). Radiographic evaluation demonstrated significant difference of medial joint space between injured and healthy knees in patients with concomitant medial meniscectomy (n = 8, 3.2 ± 0.6 vs 5.0 ± 1.8 mm, P = .0114). No significant differences were reported regarding lateral or patellofemoral joint space. One patient (2%) experienced rerupture, with 3 of 52 (5.8%) having a contralateral ACL injury (excluded from KT-2000 and radiographic evaluations). Overall, 4 of 29 clinical failures (objective IKDC, KT-2000) and 1 rerupture among 52 patients were registered at final follow-up. CONCLUSION Studied surgical technique demonstrated good results in laxity control at 20-year minimum follow-up. The lateral extra-articular plasty associated with ACL reconstruction did not generate lateral knee or patellofemoral osteoarthritis. The factor increasing osteoarthritis was meniscectomy.
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Affiliation(s)
- Stefano Zaffagnini
- II Clinica Ortopedica e Traumatologica, Istituto Ortopedico Rizzoli, University of Bologna, Bologna, Italy
| | | | - Alberto Grassi
- II Clinica Ortopedica e Traumatologica, Istituto Ortopedico Rizzoli, University of Bologna, Bologna, Italy
| | - Tommaso Roberti di Sarsina
- II Clinica Ortopedica e Traumatologica, Istituto Ortopedico Rizzoli, University of Bologna, Bologna, Italy
| | - Federico Raggi
- II Clinica Ortopedica e Traumatologica, Istituto Ortopedico Rizzoli, University of Bologna, Bologna, Italy
| | - Cecilia Signorelli
- Laboratorio Biomeccanica ed Innovazione Tecnologica, Istituto Ortopedico Rizzoli, University of Bologna, Bologna, Italy
| | | | - Paolo Spinnato
- Diagnostic and Interventional Radiology, Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Eugenio Rimondi
- Diagnostic and Interventional Radiology, Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Maurilio Marcacci
- II Clinica Ortopedica e Traumatologica, Istituto Ortopedico Rizzoli, University of Bologna, Bologna, Italy
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Combined anterior cruciate ligament reconstruction and lateral extra-articular tenodesis does not result in an increased rate of osteoarthritis: a systematic review and best evidence synthesis. Knee Surg Sports Traumatol Arthrosc 2017; 25:1149-1160. [PMID: 28289822 DOI: 10.1007/s00167-017-4510-1] [Citation(s) in RCA: 90] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2016] [Accepted: 03/06/2017] [Indexed: 12/20/2022]
Abstract
PURPOSE The role of lateral extra-articular tenodesis (LEAT) as an augment to primary anterior cruciate ligament reconstruction (ACLR) remains controversial. However, concerns exist regarding the risk of development of osteoarthritis due to over constraint of the knee. To systematically review the literature to analyse the long-term incidence of osteoarthritis in patients who had an LEAT performed in isolation or in combination with intra-articular ACLR for the treatment of ACL deficiency. METHODS Two reviewers independently searched five databases for randomized controlled trials (RCTs), non-randomized comparative, and retrospective cohort studies (CS) with long-term radiological follow-up of patients with ACL deficiency treated with ACLR combined with LEAT or LEAT in isolation. Risk of bias was performed using a modified Downs & Black's checklist. The primary outcome was the development of osteoarthritis. The studies were divided into those with moderate/severe osteoarthritis at between 5 to 10 years and >10-year follow-up. The rate of meniscal pathology at the time of the index surgery was recorded. A best evidence synthesis was performed. RESULTS Eight studies reported on 421 patients in which an LEAT procedure was carried out. There were two high-quality RCTs and six low-quality CS. The follow-up was between 5- and 10-years in 5 studies and >10-years in 3. The presence of moderate/severe osteoarthritis was not detected in three studies and was found in 4/44 (9%) and 13/70 (18.6%) patients in the other two. At 11 year follow-up, one study demonstrated no osteoarthritis, while the other two studies reported rates of 54/100 (54%) and 17/24 (71%) respectively at >24 years. In the latter two cases, the rate of meniscal pathology was >50%. A best evidence synthesis revealed that there was insufficient evidence that the addition of a LEAT to an ACLR resulted in an increased rate of osteoarthritis. CONCLUSION The best available evidence would suggest that the addition of a LEAT to ACLR does not result in an increase rate of osteoarthritis of the knee. In knees that have undergone a combined ACLR and LEAT, the incidence of osteoarthritis was low up to 11 years but increased thereafter. The presence of meniscal injury at the index surgery was reported to be greater predictor of the development of osteoarthritis. LEVEL OF EVIDENCE IV.
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Kumar C, Gupta AK, Singh SK, Jain R. Transportal Anterior Cruciate Ligament Reconstruction with Quadrupled Hamstring Tendon Graft: A Prospective Outcome Study. Indian J Orthop 2017; 51:600-605. [PMID: 28966383 PMCID: PMC5609381 DOI: 10.4103/ortho.ijortho_57_17] [Citation(s) in RCA: 7] [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] [Indexed: 02/04/2023]
Abstract
BACKGROUND Anterior cruciate ligament (ACL) reconstruction has been one of the most commonly performed procedures throughout the world. Unsatisfactory outcome with conventional ACL reconstruction has been attributed to nonanatomic graft placement. Researchers have advised placing the graft in the native footprint of ACL to avoid nonanatomic graft placement. The goal of this study was to analyze the outcome of anatomic single bundle ACL reconstruction using transportal technique. MATERIALS AND METHODS This was a prospective outcome study conducted on 85 consecutive patients of ACL reconstruction of which 62 patients met inclusion and exclusion criteria and were analyzed for final results. All the patients underwent ACL reconstruction by quadrupled hamstring tendon graft using transportal technique and the accessory anteromedial (AAM) portal for femoral tunnel creation. The graft was fixed with endobutton on femoral side and bioabsorbable screw on the tibial side. Patients were evaluated for range of motion, International Knee Documentation Committee (IKDC) score, and Lysholm scores at a minimum followup period of 2 years. The mean pre- and postoperative scores were compared using Wilcoxon signed-rank test. RESULTS The mean Lysholm and IKDC scores improved significantly (P < 0.0001) from preoperative value. According to IKDC score, 90.3% (n = 56) were either normal or near normal at final followup. According to Lysholm score, 75.8% of patients had excellent and 13.3% had good results. Preoperatively, pivot shift was present in 85.5% (n = 53) of patients which reduced to 4.8% (n = 3) postoperatively. Infection and knee stiffness occurred in two patients, and femoral tunnel blowout and graft re-rupture occurred in one patient each. CONCLUSION Anatomic ACL reconstruction by AAM portal is a reproducible technique which gives good clinical outcome at short-term followup.
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Affiliation(s)
- Chandan Kumar
- Department of Orthopaedics, G.S.V.M. Medical College, Kanpur, Uttar Pradesh, India
| | - Anil Kumar Gupta
- Department of Orthopaedics, G.S.V.M. Medical College, Kanpur, Uttar Pradesh, India,Address for correspondence: Dr. Anil Kumar Gupta, Department of Orthopaedics, G.S.V.M. Medical College, P-6, Medical College Campus, Kanpur - 208 002, Uttar Pradesh, India. E-mail:
| | - Santosh Kumar Singh
- Department of Orthopaedics, G.S.V.M. Medical College, Kanpur, Uttar Pradesh, India
| | - Rohit Jain
- Department of Orthopaedics, G.S.V.M. Medical College, Kanpur, Uttar Pradesh, India
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Cantin O, Lustig S, Rongieras F, Saragaglia D, Lefèvre N, Graveleau N, Hulet C. Outcome of cartilage at 12years of follow-up after anterior cruciate ligament reconstruction. Orthop Traumatol Surg Res 2016; 102:857-861. [PMID: 27544885 DOI: 10.1016/j.otsr.2016.06.011] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Revised: 06/05/2016] [Accepted: 06/09/2016] [Indexed: 02/02/2023]
Abstract
INTRODUCTION In cases of chronic anterior laxity, reconstruction of the anterior cruciate ligament (ACL) can slow the development of osteoarthritis. This study was conducted to determine the overall prevalence of osteoarthritis and to identify the risk factors after ACL reconstruction. HYPOTHESIS Meniscus tears, time from injury to surgery, body mass index (BMI), residual laxity, and cartilage lesions influence the progression towards osteoarthritis. MATERIALS AND METHODS This multicenter, retrospective study on the outcome of cruciate ligaments at 12 years of follow-up was conducted within the 2014 SOFCOT Symposium. The cohort included 675 arthroscopic reconstructions of the ACL from January 2002 to December 2003. The clinical evaluation included the objective and subjective IKDC score. Osteoarthritis was analyzed on 589 knee X-rays according to the IKDC classification. The predictive factors of osteoarthritis development studied were age, gender, BMI, time from injury to surgery, activity level, medial or lateral meniscectomy, type of graft, medial or lateral chondropathy, tunnel positioning, and residual laxity. Univariate and multivariate analyses with logistic regression were performed. RESULTS The mean follow-up was 11.9±0.8 years. The subjective IKDC score was 83.7±13. At 12 years, the rate of moderate to severe osteoarthritis l (IKDCC or D) was 19% (16% medial tibiofemoral osteoarthritis, 4% lateral tibiofemoral osteoarthritis, and 2% patellofemoral osteoarthritis). The prognostic factors were age at surgery greater than 34 years (P<0.05), cartilage lesions at surgery (P<0.05), medial or lateral meniscectomy (P<0.05), and residual laxity (P<0.05). CONCLUSIONS This large-scale study identified risk factors for osteoarthritis that should improve the information provided to patients on long-term progression after ACL reconstruction. LEVEL OF EVIDENCE Retrospective cohort study, level IV.
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Affiliation(s)
- O Cantin
- Service de chirurgie orthopédique, centre Albert-Trillat, hôpital de la Croix-Rousse, 103, grande rue de la Croix-Rousse, 69004 Lyon, France
| | - S Lustig
- Service de chirurgie orthopédique, centre Albert-Trillat, hôpital de la Croix-Rousse, 103, grande rue de la Croix-Rousse, 69004 Lyon, France.
| | - F Rongieras
- Service de chirurgie orthopédique, hôpital d'instruction des armées Desgenettes, 108, boulevard Pinel, 69003 Lyon, France
| | - D Saragaglia
- Clinique universitaire de chirurgie orthopédique et de traumatologie du sport, hôpital Sud, CHU de Grenoble, avenue de Kimberley, 38130 Échirolles, France
| | - N Lefèvre
- Institut de l'appareil locomoteur Nollet, 75017 Paris, France; Clinique du sport Paris V, 75005 Paris, France
| | - N Graveleau
- Centre de consultation orthopédique et sportive, clinique du sport de Bordeaux-Mérignac, 2, rue Negrevergne, 33700 Mérignac, France
| | - C Hulet
- Département d'orthopédie-traumatologie, Unité Inserm COMETE, UMR U1075, CHU de Caen, avenue Côte-de-Nacre, 14000 Caen, France
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- SoFCOT, 56, rue Boissonade, 75014 Paris, France
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Tudisco C, Bisicchia S, Cosentino A, Chiozzi F, Piva M. Knee stability, athletic performance and sport-specific tasks in non-professional soccer players after ACL reconstruction: comparing trans-tibial and antero-medial portal techniques. Muscles Ligaments Tendons J 2015; 5:175-80. [PMID: 26605191 DOI: 10.11138/mltj/2015.5.3.175] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
BACKGROUND a wrong position of bone tunnels, in particular on the femur, is one of the most frequent causes of a failed anterior cruciate ligament (ACL) reconstruction. Several studies demonstrated that drilling the femoral tunnel through the antero-medial portal (AMP) allows a more anatomical placement on the lateral femoral condyle and higher knee stability, compared to trans-tibial (TT) technique. The aim of this study was to retrospectively evaluate two groups of soccer players operated on for ACL reconstruction according to either one of these two techniques. METHODS two groups of non-professional soccer players operated on for a single bundle ACL reconstruction with hamstrings autograft using either a TT (20 patients) or an AMP (23 patients) technique were retrospectively evaluated with KT-1000 arthrometer, manual pivot shift test, isokinetic test, the incremental treadmill-running test, athletic and sport specific tasks, and knee scores (IKDC, Lysholm and KOOS). RESULTS the AMP group showed better results at pivot shift test and KOOS, but lower flexion angles at single leg squat test. There were no differences in all the other considered outcomes. CONCLUSIONS the better rotational stability of the knee achieved in AMP group did not lead to significantly better clinical and functional results in our patients. LEVEL OF EVIDENCE III TREATMENT STUDY Case-control study.
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Affiliation(s)
- Cosimo Tudisco
- Department of Orthopaedic Surgery, University of Rome Tor Vergata, Italy
| | | | - Andrea Cosentino
- Department of Orthopaedic Surgery, University of Rome Tor Vergata, Italy
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Abstract
The annual incidence of ACL tears is increasing steadily in pediatric patients. Chronic anterior instability causes meniscal lesions at a frequency that increases significantly with the injury-to-surgery interval. Conservative therapy, simple suturing, and isolated extra-articular tendon reconstruction are associated with high failure rates. Intra-articular arthroscopy-assisted tendon reconstruction is a good treatment method, although several different techniques have been described. We used a transphyseal technique with a hamstring tendon graft to treat 14 knees in 13 patients with a mean age of 13 years and 7 months. Mean injury-to-surgery interval was 6 months. Strict compliance with technical rules is required when using this technique. Bone tunnel diameter must not exceed 8 mm. Bone tunnels must be as vertical and central as possible. The fixation material must not bridge the physis (at the femur, cortical fixation; and at the tibia, fixation using a resorbable screw no longer than 25 mm combined with a staple). Meniscal lesions were present in half the knees and meniscal preservation considered mandatory. Conservative treatment of concomitant lesions was performed routinely. After a mean follow-up of 15 months, no recurrent tears or revision procedures for meniscectomy had been recorded. The IKDC grade was A or B in 93% of knees. The mean subjective IKDC score was 83.3 and the Lysholm score was in the excellent or good range in 93% of knees. Of the 14 knees, 2 exhibited signs suggesting femoral epiphysiodesis, with 4° of valgus deformity compared to the contra-lateral knee and no clinical consequences. Transphyseal reconstruction with open physes conducted in strict compliance with technical rules can be performed to control the instability and preserve the menisci. Nevertheless, this technique carries a risk of epiphysiodesis, chiefly at the femur.
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Patellar tendon autograft reconstruction of the anterior cruciate ligament with and without lateral plasty in advanced-stage chronic laxity. A clinical, prospective, randomized, single-blind study using passive dynamic X-rays. Knee 2014; 21:58-65. [PMID: 23810648 DOI: 10.1016/j.knee.2013.06.001] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2012] [Revised: 05/29/2013] [Accepted: 06/03/2013] [Indexed: 02/07/2023]
Abstract
PURPOSE A prospective randomized study was performed to assess the influence of extra-articular ilio-tibial band tenodesis on the results of arthroscopic anterior cruciate ligament (ACL) reconstruction in patients with advanced-stage chronic anterior laxity of the knee. METHODS Preoperatively, the two constituent groups of our series of 120 patients: group 1 (Kenneth Jones) and group 2 (Kenneth Jones+extra-articular ilio-tibial band tenodesis) were strictly comparable with regard to demographic data, activity level, interval between the injury and the operation, and even objective laxity. Through radiological measurements made by passive dynamic X-rays, we studied the evolution of the objective laxity on the two compartments (medial and lateral) of the knee before the surgery and in review. RESULTS At 2 years follow-up, there was no significant difference between the two groups in terms of the subjective result, sports, and the overall international knee documentation committee score, however, In terms of objective laxity; Gain laxity obtained after surgery on the lateral compartment, was statistically higher in cases of extra-articular associated plasty (+29%), by cons in cases of intra-articular reconstruction alone, the laxity of the lateral compartment was poorly controlled and has continued to evolve despite the plasty of the ACL. CONCLUSION The indication of an associated extra-articular plasty remains very discussed but we plead for an objective criterion with knowing the importance of preoperative objective laxity especially that of the lateral compartment to decide if it necessary, or not, being associated. LEVEL OF EVIDENCE Level I, therapeutic prospective randomized trial.
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16
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Griffith TB, Allen BJ, Levy BA, Stuart MJ, Dahm DL. Outcomes of repeat revision anterior cruciate ligament reconstruction. Am J Sports Med 2013; 41:1296-301. [PMID: 23605223 DOI: 10.1177/0363546513482568] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND As anterior cruciate ligament (ACL) reconstruction is performed increasingly in the United States, the rate of revision ACL reconstruction continues to rise. A paucity of literature exists with respect to repeat ACL revision surgery. PURPOSE To evaluate the functional outcomes of patients who had undergone at least 2 revision ACL reconstructions. STUDY DESIGN Case series; Level of evidence, 4. METHODS The records of all patients who had undergone repeat revision ACL reconstructions between 1998 and 2009 were retrospectively reviewed. Data collected included patient demographics, operative findings, pre- and postoperative physical examination findings, radiographs, and Tegner, Lysholm, and International Knee Documentation Committee (IKDC) subjective scores. RESULTS Fifteen patients had undergone repeat revision ACL reconstruction during the study period. Mean age was 27 years (range, 18-57 years). Mean follow-up was 5 years (range, 2-10 years). At the time of repeat revision surgery, new tunnels were drilled in 9 of 15 (60%) cases. Of those, 8 of 9 (89%) were drilled because femoral tunnels were deemed "too anterior." During repeat revision, 11 of 15 (73%) patients were noted to have a meniscal tear, and 9 of 15 (67%) had International Cartilage Repair Society (ICRS) grade 3 or 4 chondral lesions. Mean Lysholm score was 60 preoperatively and increased to 82 postoperatively (P < .001). Mean preoperative IKDC score was 59, which increased to 80 postoperatively (P < .001). Mean preoperative Tegner score was 6.0. Mean postoperative Tegner score was 4.5, with only 4 of 15 (27%) patients having returned to their prior activity level (P < .001). Two patients (13%) sustained a traumatic rerupture. Presence of grade 3 or 4 chondral lesions and body mass index greater than 28 at the time of repeat revision were associated with a "fair" or "poor" outcome by Lysholm score (P = .007 and P = .03, respectively) and IDKC subjective scoring (P = .04 and P = .007, respectively). CONCLUSION Repeat revision ACL reconstruction may improve the functional outcomes of patients who have failed revision ACL reconstruction. Most patients do not return to prior activity level following repeat revision. Presence of grade 3 or 4 chondral lesions and body mass index greater than 28 were associated with worse outcomes.
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Lim HC, Yoon YC, Wang JH, Bae JH. Anatomical versus non-anatomical single bundle anterior cruciate ligament reconstruction: a cadaveric study of comparison of knee stability. Clin Orthop Surg 2012. [PMID: 23205233 PMCID: PMC3504688 DOI: 10.4055/cios.2012.4.4.249] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Background The purpose of this study was to compare the initial stability of anatomical and non-anatomical single bundle anterior cruciate ligament (ACL) reconstruction and to determine which would better restore intact knee kinematics. Our hypothesis was that the initial stability of anatomical single bundle ACL reconstruction would be superior to that of non-anatomical single bundle ACL reconstruction. Methods Anterior tibial translation (ATT) and internal rotation of the tibia were measured with a computer navigation system in seven pairs of fresh-frozen cadaveric knees under two testing conditions (manual maximum anterior force, and a manual maximum anterior force combined with an internal rotational force). Tests were performed at 0, 30, 60, and 90 degrees of flexion with the ACL intact, the ACL transected, and after reconstruction of one side of a pair with either anatomical or non-anatomical single bundle ACL reconstruction. Results Under manual maximal anterior force, both reconstruction techniques showed no significant difference of ATT when compared to ACL intact knee state at 30° of knee flexion (p > 0.05). Under the combined anterior and internal rotatory force, non-anatomical single-bundle ACL reconstruction showed significant difference of ATT compared to those in ACL intact group (p < 0.05). In contrast, central anatomical single bundle ACL reconstruction showed no significant difference of ATT compared to those in ACL intact group (p > 0.05). Internal rotation of the tibia showed no significant difference in the ACL intact, the ACL transected, non-anatomical reconstructed and anatomical reconstructed knees. Conclusions Anatomical single bundle ACL reconstruction restored the initial stability closer to the native ACL under combined anterior and internal rotational forces when compared to non-anatomical ACL single bundle reconstruction.
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Affiliation(s)
- Hong-Chul Lim
- Department of Orthopaedic Surgery, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
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18
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The femoral insertion of the anterior cruciate ligament: discrepancy between macroscopic and histological observations. Arthroscopy 2012; 28:1135-46. [PMID: 22440794 DOI: 10.1016/j.arthro.2011.12.021] [Citation(s) in RCA: 114] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2011] [Revised: 12/20/2011] [Accepted: 12/21/2011] [Indexed: 02/02/2023]
Abstract
PURPOSE To observe the femoral anterior cruciate ligament (ACL) insertion macroscopically, histologically, and immunohistologically. METHODS We used 20 embalmed cadaveric knees (mean age, 69.8 ± 5.3 years) for this study. The femoral ACL insertion was observed macroscopically, and areas were measured with digital calipers. The morphology of the ACL insertion was subsequently observed, and the areas were measured histologically and immunohistologically (stained for types I and III collagen). Finally, the macroscopic and microscopic measurements were compared. RESULTS Macroscopically, in 16 knees, the proximal ACL fibers spread in a fanlike manner on the medial aspect of the lateral femoral condyle and the femoral insertion was oval. The lengths of the long and short axes of the insertion were 17.7 ± 2.7 mm and 4.6 ± 0.7 mm, respectively. Microscopically, the insertion was located just behind the lateral intercondylar ridge (resident's ridge) and could be divided into the direct and indirect insertions. The direct insertion was 5.3 ± 1.1 mm wide and did not continue to the posterior cartilage. The indirect insertion was located behind the direct insertion, and the posterior ACL fiber stained for type I collagen blended into the posterior cartilage on immunohistologic observations. Another bony ridge was found at the posterior margin of the direct insertion. The widths of the direct insertion were similar between microscopic and macroscopic measurements. CONCLUSIONS The femoral ACL insertion observed macroscopically corresponded to the direct insertion observed microscopically. The posterior portion behind the lateral intercondylar posterior ridge was the indirect insertion microscopically and appeared membrane-like macroscopically. CLINICAL RELEVANCE Findings from observation of the lateral intercondylar posterior ridge during arthroscopy and consideration of the distance from the posterior cartilage border may contribute to surgeons' decisions about femoral tunnel placement during anatomic ACL reconstruction.
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Tudisco C, Bisicchia S. Drilling the femoral tunnel during ACL reconstruction: transtibial versus anteromedial portal techniques. Orthopedics 2012; 35:e1166-72. [PMID: 22868600 DOI: 10.3928/01477447-20120725-14] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Incorrect bone tunnel position, particularly on the femoral side, is a frequent cause of failed anterior cruciate ligament reconstruction. Several studies have reported that drilling the femoral tunnel through the anteromedial portal allows a more anatomical placement on the lateral femoral condyle and higher knee stability than does transtibial reconstruction.In the current study, the femoral tunnel was drilled with transtibial (n=6) and anteromedial (n=6) portal techniques in 12 cadaveric knees. With appropriate landmarks inserted into bone tunnels, the direction and length of the tunnels were determined on anteroposterior and lateral radiographs. Knee stability was evaluated with a KT1000 arthrometer (MEDmetric Corporation, San Diego, California) and pivot shift test, comparing the pre- and postoperative values of both techniques. Finally, all knees were dissected to enhance vision of the insertion of the reconstructed ligament. The anteromedial portal technique led to better placement of the femoral tunnel in the coronal and sagittal planes, with higher knee stability according to the pivot shift test but not the KT1000 arthrometer. Anatomical and clinical results reported in the literature on transtibial and anteromedial portal techniques are controversial, but most of studies report better results with the anteromedial portal technique, especially regarding rotational stability. The current cadaveric study showed that the anteromedial portal technique provided better tunnel placement on the lateral femoral condyle in the coronal and sagittal planes, with an improvement in the rotational stability of the knee.
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Affiliation(s)
- Cosimo Tudisco
- Department of Orthopaedic Surgery, University of Rome Tor Vergata, Rome, Italy.
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Widuchowski W, Widuchowska M, Koczy B, Dragan S, Czamara A, Tomaszewski W, Widuchowski J. Femoral press-fit fixation in ACL reconstruction using bone-patellar tendon-bone autograft: results at 15 years follow-up. BMC Musculoskelet Disord 2012; 13:115. [PMID: 22738187 PMCID: PMC3492212 DOI: 10.1186/1471-2474-13-115] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2011] [Accepted: 06/15/2012] [Indexed: 01/13/2023] Open
Abstract
Background If anterior cruciate ligament (ACL) reconstruction is to be performed, decision regarding graft choice and its fixation remains one of the most controversial. Multiple techniques for ACL reconstruction are available. To avoid disadvantages related to fixation devices, a hardware-free, press-fit ACL reconstruction technique was developed. The aim of this study was to evaluate clinical outcome and osteoarthritis progression in long term after ACL reconstruction with central third patellar-tendon autograft fixed to femur by press-fit technique. Methods Fifty two patients met inclusion/excusion criteria for this study. The patients were assessed preoperatively and at 15 years after surgery with International Knee Documentation Committee Knee Ligament Evaluation Form, Lysholm knee score, Tegner activity scale and radiographs. Results Good overall clinical outcomes and self-reported assessments were documented, and remained good at 15 years. The mean Lysholm and Tegner scores improved from 59.7 ± 18.5 and 4.2 ± 1.0 preoperatively to 86.4 ± 5.6 (p = 0.004) and 6.9 ± 1.4 (p = 0.005) respectively at follow-up. The IKDC subjective score improved from 60.1 ± 9.2 to 80.2 ± 8.1 (p = 0.003). According to IKDC objective score, 75% of patients had normal or nearly normal knee joints at follow-up. Grade 0 or 1 results were seen in 85% of patients on laxity testing. Degenerative changes were found in 67% of patients. There was no correlation between arthritic changes and stability of knee and subjective evaluation (p > 0.05). Conclusions ACL reconstruction with patellar tendon autograft fixed to femur with press-fit technique allows to achieve good self-reported assessments and clinical ligament evaluation up to 15 years. Advantages of the bone-patellar-tendon-bone (BPTB) press-fit fixation include unlimited bone-to-bone healing, cost effectiveness, avoidance of disadvantages associated with hardware, and ease for revision surgery. BPTB femoral press-fit fixation technique can be safely applied in clinical practice and enables patients to return to preinjury activities including high-risk sports.
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Affiliation(s)
- Wojciech Widuchowski
- District Hospital of Orthopedics and Trauma Surgery, Department of the Knee Surgery, Arthroscopy and Sports Traumatology, Piekary Slaskie, Poland.
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Li B. Numerical Simulation of Ligament Force in Pitching Motion. APPLIED MECHANICS AND MATERIALS 2012; 170-173:3292-3295. [DOI: 10.4028/www.scientific.net/amm.170-173.3292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
The knee joint is a vulnerable joint that is easily injured. This is due in part to the fact that the joint is in the middle of two long lever-arms, the femur and the tibia. This makes the knee ligaments prone to injury from any strong contact to the knee, or sometimes even from just the force of the body moving through space with a hard muscle contraction. Simulation of ligament force in pitching motion of basketball player is studied in this paper.
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Affiliation(s)
- Bin Li
- Heilongjiang Institute Science and Technology
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22
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Zanella LAZ, Junior AB, Badotti AA, Michelin AF, Algarve RI, de Quadros Martins CA. ANATOMICAL RECONSTRUCTION OF ANTERIOR CRUCIATE LIGAMENT OF THE KNEE: DOUBLE BAND OR SINGLE BAND? Rev Bras Ortop 2012; 47:197-203. [PMID: 27042621 PMCID: PMC4799383 DOI: 10.1016/s2255-4971(15)30086-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2010] [Accepted: 06/16/2011] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVE To evaluate the double-band and single-band techniques for anatomical reconstruction of the anterior cruciate ligament of the knee and demonstrate that the double-band technique not only provides greater anterior stability but also causes less pain and a better subjective patient response. METHODS We selected 42 patients who underwent anterior cruciate ligament reconstruction, by means of either the single-band anatomical reconstruction technique, using flexor tendon grafts with two tunnels, or the double-band anatomical reconstruction technique, using four tunnels and grafts from the semitendinosus and gracilis tendons. All fixations were performed using interference screws. There was no variation in the sample. Before the operation, the objective and subjective IKDC scores, Lysholm score and length of time with the injury were evaluated. All these variables were reassessed six months later, and the KT-1000 correlation with the contralateral knee was also evaluated. RESULTS There was no significant difference between the two groups in subjective evaluations, but the single-band group showed better results in relation to range of motion and objective evaluations including KT-1000 (with statistical significance). CONCLUSION Our study demonstrated that there was no difference between the two groups in subjective evaluations, but better results were found using the single-band anatomical technique, in relation to objective evaluations.
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Affiliation(s)
| | - Adair Bervig Junior
- Resident Physician at Passo Fundo Orthopedic Hospital, Passo Fundo, RS, Brazil
| | | | - Alexandre Froes Michelin
- Physician and Preceptor of Medical Residence and the Knee Group, Passo Fundo Orthopedic Hospital, Passo Fundo, RS, Brazil
| | - Rodrigo Ilha Algarve
- Physician and Preceptor of Medical Residence and the Knee Group, Passo Fundo Orthopedic Hospital, Passo Fundo, RS, Brazil
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A new technique in double-bundle anterior cruciate ligament reconstruction using implant-free femoral fixation. INTERNATIONAL ORTHOPAEDICS 2012; 36:1479-85; discussion 1539-41. [PMID: 22323087 DOI: 10.1007/s00264-012-1488-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2012] [Accepted: 01/09/2012] [Indexed: 10/14/2022]
Abstract
PURPOSE The study is a prospective case-series analysis to demonstrate a new double bundle technique for anterior cruciate ligament (ACL) reconstruction with the use of hamstring tendons through a single tibial tunnel, a double femoral socket with implant-free femoral fixation and interference screw for tibial fixation. MATERIALS AND METHODS Twenty-one patients were treated with the same technique. Hamstring tendons were not removed from the tibial side, and using a single tibial and a double femoral tunnel of 8 and 6 mm, respectively, anatomic ACL reconstruction was performed. Graft passage was performed from the tibial side to the posterolateral femoral tunnel and was looped back to the anteromedial femoral tunnel to be fixed on the tibial tunnel with an interference screw and additional extracortical fixation. Follow-up of the study group was performed for a two-year period, documenting standard clinical and radiographic parameters. RESULTS Post-operative follow-up (mean 24 months) revealed radiological widening of tibial tunnel (mean 133.6%) in all patients and minor femoral tunnels widening (119.4% and 117.5%). Clinical evaluation showed no signs of instability, and knee evaluation using the IKDC score was performed. CONCLUSION The manuscript describes a novel technique in ACL reconstruction, and reports the radiographic results of tunnel widening and clinical scores. Implant-free femoral fixation led to minor tunnel widening similar to previously published data. Further studies need to be performed to compare the long-term results with different published techniques of cost-effective implant-free ACL reconstruction.
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Murray JRD, Lindh AM, Hogan NA, Trezies AJ, Hutchinson JW, Parish E, Read JW, Cross MV. Does anterior cruciate ligament reconstruction lead to degenerative disease?: Thirteen-year results after bone-patellar tendon-bone autograft. Am J Sports Med 2012; 40:404-13. [PMID: 22116668 DOI: 10.1177/0363546511428580] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Reporting of long-term outcome of anterior cruciate ligament (ACL) reconstruction with the patellar tendon (bone-patellar tendon-bone [BTB]) autograft is limited. There are concerns that degenerative joint disease is common in the long term, which may be associated with the procedure itself. HYPOTHESES (1) ACL reconstruction with BTB provides good long-term outcome. (2) There are additional factors to surgical reconstruction that can be associated with the development of degenerative disease. STUDY DESIGN Case series; Level of evidence, 4. METHODS Of 161 patients, 114 were eligible. Patient-centered outcome was by Lysholm and subjective International Knee Documentation Committee (IKDC) score; objective outcome measures were clinical examination and IKDC radiological grade. RESULTS Mean average follow-up was 13 years. The IKDC radiological grades in the worst compartment were A = 15%, B = 51%, C = 19%, and D = 14% (n = 83). There was a significant difference between the injured versus contralateral uninjured knee (n = 42, P = .003). In a subgroup with no meniscal or chondral injury the IKDC grades were A = 38%, B = 55%, C = 7%, and D = 0% (n = 29). The mean subjective scores were 89 ± 11 (Lysholm) and 83 ± 15 (IKDC) (n = 114). Poor IKDC subjective outcome was associated with chondral injury (P = .001), previous surgery (P = .022), return to sport (P = .013), and poor radiological grade in the ipsilateral medial compartment (P = .004). A poor IKDC radiological grade was associated with chondral injury (P = .002), meniscal injury (P = .010) and meniscectomy (P = .012), an IKDC subjective score of <85 (P = .01), and poor radiological grade in the contralateral medial compartment (P = .041). CONCLUSION At 13 years, BTB ACL reconstruction provides a good outcome. Chondral and meniscal damage at surgery were associated with a poor radiological outcome, indicating that injuries sustained during ACL rupture may be the main predictors of degenerative bone disease.
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Affiliation(s)
- James R D Murray
- Avon Orthopaedic Centre, Southmead Hospital, Bristol, United Kingdom.
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Farshad M, Gerber C, Szucs T, Meyer DC. Determining utility values in patients with anterior cruciate ligament tears using clinical scoring systems. BMC Health Serv Res 2011; 11:182. [PMID: 21813026 PMCID: PMC3160876 DOI: 10.1186/1472-6963-11-182] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2010] [Accepted: 08/04/2011] [Indexed: 03/17/2023] Open
Abstract
Background Several instruments and clinical scoring systems have been established to evaluate patients with ligamentous knee injuries. A comparison of individual articles in the literature is challenging, not only because of heterogeneity in methodology, but also due to the variety of the scoring systems used to document clinical outcomes. There is limited information about the correlation between used scores and quality of life with no information being available on the impact of each score on the utility values. The aim of this study was to compare the most commonly used scores for evaluating patients with anterior cruciate ligament (ACL) injuries, and to establish corresponding utility values. These values will be used for the interpretation and comparison of outcome results in the currently available literature for different treatment options. Methods Four hypothetical vignettes were defined, based on different levels of activities after rupture of the ACL to simulate typical situations seen in daily practice. A questionnaire, including the Health Utility Index (HUI) for utility values, the IKDC subjective score, the Lysholm and the Tegner score, was created and 25 orthopedic surgeons were asked to fill the questionnaire for each hypothetical patient as proxies for all patients they had treated and who would fit in that hypothetical vignette. Results The utility value as an indicator for quality of life increased with the level of activity. Having discomforts already during normal activities of daily living was rated with a mean utility value of 0.37 ± 0.19, half of that of a situation where mild sport activity was possible without discomfort (0.78 ± 0.11). All investigated scores were able to distinguish clearly (p < 0.05) between the hypothetical vignettes. However, the utility values correlated best with the IKDC subjective score (r = 0.86, p < 0.001) followed by the Lysholm score (r = 0.77, p < 0.001) and the Tegner score (r = 0.77, p < 0.001). Conclusions Here we report the correlation between the most commonly used scores for the assessment of patients with a ruptured ACL and utility values as an indicator of quality of life. Assumptions were based on expert opinions to provide a possible transformation algorithm. The IKDC subjective knee score showed the highest correlation to the quality of life (i.e. HUI) in patients with a ruptured ACL. Confirmation of our results is needed by systematic inclusion of a measurement instrument for utility values in future clinical studies beside the already used clinical knee scoring systems.
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Affiliation(s)
- Mazda Farshad
- Balgrist University Hospital, Orthopedic Surgery, University of Zürich, Switzerland.
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Tsivgoulis SD, Tzagarakis GN, Papagelopoulos PJ, Koulalis D, Sakellariou VI, Kampanis NA, Chlouverakis GI, Alpantaki KI, Nikolaou PK, Katonis PG. Pre-operative versus post-operative gait variability in patients with acute anterior cruciate ligament deficiency. J Int Med Res 2011; 39:580-93. [PMID: 21672363 DOI: 10.1177/147323001103900227] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Change in gait variability at least 6 months after surgical reconstruction of the anterior cruciate ligament (ACL) was assessed in 20 male patients with acute ACL deficiency and compared with pre-operative data and that from 20 healthy male controls. Gait was measured using a triaxial accelerometer and data were analysed by the Gait Evaluation Differential Entropy Method (GEDEM) to determine gait variability. Pain was assessed with a visual analogue scale and functional ability with the Oswestry Disability Index and the International Knee Documentation Committee score. Mean gait variability was significantly lower after than before surgery, with values for the anterior-posterior axis being in the normal range of controls after 6 months, whereas in the mediolateral axis mean gait variability remained significantly higher, indicating that some rotational instability remained in the time-frame of the study. Pain and functional ability scores improved after surgery compared with before surgery. The combination of accelerometry and GEDEM may be a useful orthopaedic tool for the post-operative evaluation of patients who have undergone ACL reconstruction.
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Affiliation(s)
- S D Tsivgoulis
- Foundation of Research and Technology Hellas, Institute of Applied and Computational Mathematics, Voutes, Crete, Greece
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van Eck CF, Fu FH, Pernin J, Verdonk P, Neyret P. "Long-term follow-up of 24.5 years after intra-articular anterior cruciate ligament reconstruction with lateral extra-articular augmentation". Letter to the editor. Am J Sports Med 2011; 39:NP1; author reply NP2. [PMID: 21460070 DOI: 10.1177/0363546511404960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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Ferretti A, Monaco E, Giannetti S, Caperna L, Luzon D, Conteduca F. A medium to long-term follow-up of ACL reconstruction using double gracilis and semitendinosus grafts. Knee Surg Sports Traumatol Arthrosc 2011; 19:473-8. [PMID: 20602086 DOI: 10.1007/s00167-010-1206-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2009] [Accepted: 06/17/2010] [Indexed: 02/07/2023]
Abstract
This paper reports the results of our approach to ACL tears and knee laxity, based on 30 years of experience in ACL reconstruction with hamstrings and founded on the following cornerstones: the use of doubled semitendinosus and gracilis as a free graft; the use of an out-in technique for femoral drilling and of very strong and stiff fixation devices; the careful examination and repair or reconstruction of the lateral compartment in selected patients; and the use of unaggressive rehabilitation. We prospectively evaluated a series of 100 consecutive patients who underwent ACL reconstruction between 2001 and 2002. A clinical and radiological follow-up was performed at a minimum of 6 years. After 6 years, the International Knee Documentation Committee score demonstrated good-to-excellent results (A and B) in 98% of patients. However, arthrometric results using the KT-1000 demonstrated that 6/80 patients (7.5%) had >5 mm manual maximum side-to-side difference. The median Tegner activity score was 5 (range 1-9); the median Lysholm score was 96 (range 81-100); and the median subjective IKDC score was 94 (range 66-100). We reported 6/80 failures as revealed by a 2+ or 3+ pivot-shift test result and/or KT-1000 side-to-side difference of more than 5 mm. The IKDC score revealed excellent results in all women who underwent extra-articular tenodesis. Radiographic evaluation demonstrated early signs of osteoarthritis in 9% of patients.
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Affiliation(s)
- Andrea Ferretti
- Department of Orthopaedics and Traumatology, Kirk Kilgour Sports Injury Center, II School of Medicine, Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy
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Quelard B, Sonnery-Cottet B, Zayni R, Ogassawara R, Prost T, Chambat P. Preoperative factors correlating with prolonged range of motion deficit after anterior cruciate ligament reconstruction. Am J Sports Med 2010; 38:2034-9. [PMID: 20702861 DOI: 10.1177/0363546510370198] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Impaired postoperative range of motion remains one of the most frequent complications after anterior cruciate ligament reconstruction. PURPOSE This study was undertaken to determine the preoperative factors associated with prolonged range of motion deficit after anterior cruciate ligament reconstruction. STUDY DESIGN Cohort study; Level of evidence, 3. METHODS Between January 2007 and March 2008, a consecutive series of 217 patients underwent anterior cruciate ligament reconstruction and were reviewed at 6 weeks and 3 months after surgery. In this series, all data of patients who required a further surgery for arthrolysis until December 2009 were studied. Goniometric range of motion measurement was performed the day before surgery and at 6 weeks and 3 months postoperatively. Bone contusions were analyzed on preoperative magnetic resonance imaging (MRI). All MRI scans were performed in the 6 months before surgery. Seven potential risk factors-age, sex, limited preoperative range of motion, meniscal lesions, bone contusion(s), operative delay less than 45 days, and rehabilitation-were assessed using univariate analysis. The correlations between the significant factors previously identified were analyzed further using multivariate logistic regression analysis. RESULTS Limited preoperative range of motion (P < .001), typical bone contusions of the lateral compartment (P < .001), operative delay less than 45 days (P = .003), and female sex (P = .049) were found to be significantly correlated with delayed recovery. The limited preoperative mobility and the presence of typical contusions were strongly correlated (P < .001). In the group of patients who underwent surgery within 45 days, delayed recovery was strongly correlated with limited preoperative mobility (P = .0008) and to the presence of typical contusions (P < .001). Arthrolysis was correlated with delayed range of motion (odds ratio [OR], 8.2; 95% confidence interval [CI], 1.9-50; P =.001) and bone bruise (OR, 7.6; 95% CI, 1.7-46.1; P = .002). CONCLUSION Preoperative limited range of motion and typical bone bruises of the lateral femoral condyle and tibial plateau are major risk factors for a difficult rehabilitation after anterior cruciate ligament reconstruction.
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Pernin J, Verdonk P, Si Selmi TA, Massin P, Neyret P. Long-term follow-up of 24.5 years after intra-articular anterior cruciate ligament reconstruction with lateral extra-articular augmentation. Am J Sports Med 2010; 38:1094-102. [PMID: 20305053 DOI: 10.1177/0363546509361018] [Citation(s) in RCA: 138] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Many studies have reported successful outcomes 10 to 15 years after ACL reconstruction. However, few authors report results at ultra long-term follow-up (more than 20 years of follow-up). PURPOSE The aim of this study was to determine how the status of the medial meniscus and the medial compartment articular cartilage observed at the time of ACL reconstruction affects results more than 24 years after surgery. This article examines long-term outcome of ACL reconstruction with extra-articular augmentation (procedure performed through a medial arthrotomy). STUDY DESIGN Case series; Level of evidence, 4. METHODS One hundred of 148 patients reviewed at 11.5 years of follow-up could be reviewed at 24.5 years. Complete clinical and radiographic evaluation (International Knee Documentation Committee scale and Knee Injury and Osteoarthritis Outcome Score) was performed. RESULTS The radiographic International Knee Documentation Committee rating was as follows: grade A, 39%; grade B, 7%; grade C, 27%; and grade D, 27%. Onset of osteoarthritis was correlated with medial meniscal status and femoral chondral defects at time of surgery. CONCLUSION Total medial meniscectomy and articular cartilage damage were risk factors for osteoarthritis.
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Affiliation(s)
- Jerome Pernin
- Department of Orthopaedic Surgery, Angers University Hospital, 4 Rue Larrey, Angers, France.
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Gadikota HR, Wu JL, Seon JK, Sutton K, Gill TJ, Li G. Single-tunnel double-bundle anterior cruciate ligament reconstruction with anatomical placement of hamstring tendon graft: can it restore normal knee joint kinematics? Am J Sports Med 2010; 38:713-20. [PMID: 20139332 PMCID: PMC3740356 DOI: 10.1177/0363546509353406] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Anatomical reconstruction techniques that can restore normal joint kinematics without increasing surgical complications could potentially improve clinical outcomes and help manage anterior cruciate ligament injuries more efficiently. HYPOTHESIS Single-tunnel double-bundle anterior cruciate ligament reconstruction with anatomical placement of hamstring tendon graft can more closely restore normal knee anterior-posterior, medial-lateral, and internal-external kinematics than can conventional single-bundle anterior cruciate ligament reconstruction. STUDY DESIGN Controlled laboratory study. METHODS Kinematic responses after single-bundle anterior cruciate ligament reconstruction and single-tunnel double-bundle anterior cruciate ligament reconstruction with anatomical placement of hamstring tendon graft were compared with the intact knee in 9 fresh-frozen human cadaveric knee specimens using a robotic testing system. Kinematics of each knee were determined under an anterior tibial load (134 N), a simulated quadriceps load (400 N), and combined torques (10 N.m valgus and 5 N.m internal tibial torques) at 0 degrees , 15 degrees , 30 degrees , 60 degrees , and 90 degrees of flexion. RESULTS Anterior tibial translations were more closely restored to the intact knee level after single-tunnel double-bundle reconstruction with anatomical placement of hamstring tendon graft than with a single-bundle reconstruction under the 3 external loading conditions. Under simulated quadriceps load, the mean internal tibial rotations after both reconstructions were lower than that of the anterior cruciate ligament-intact knee with no significant differences between these 3 knee conditions at 0 degrees and 30 degrees of flexion (P > .05). The increased medial tibial shifts of the anterior cruciate ligament-deficient knees were restored to the intact level by both reconstruction techniques under the 3 external loading conditions. CONCLUSION Single-tunnel double-bundle anterior cruciate ligament reconstruction with anatomical placement of hamstring tendon graft can better restore the anterior knee stability compared with a conventional single-bundle reconstruction. Both reconstruction techniques are efficient in restoring the normal medial-lateral stability but overcorrect the internal tibial rotations. CLINICAL RELEVANCE Single-tunnel double-bundle anterior cruciate ligament reconstruction with anatomical placement of hamstring tendon graft could provide improved clinical outcomes over a conventional single-bundle reconstruction.
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Affiliation(s)
- Hemanth R. Gadikota
- Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Jia-Lin Wu
- Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Jong Keun Seon
- Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
- Department of Orthopaedics, Chonnam National University Hwasun Hospital, Jeonnam, South Korea
| | - Karen Sutton
- Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Thomas J. Gill
- Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Guoan Li
- Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
- Address correspondence to Guoan Li, PhD, Bioengineering Laboratory, Massachusetts General Hospital/Harvard Medical School, 55 Fruit Street, GRJ 1215, Boston, MA 02114 ()
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Freeman JW, Woods MD, Cromer DA, Wright LD, Laurencin CT. Tissue engineering of the anterior cruciate ligament: the viscoelastic behavior and cell viability of a novel braid-twist scaffold. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2009; 20:1709-28. [PMID: 19723437 DOI: 10.1163/156856208x386282] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The anterior cruciate ligament (ACL) is the most commonly injured ligament of the knee; it also contributes to normal knee function and stability. Due to its poor healing potential severe ACL damage requires surgical intervention, ranging from suturing to complete replacement. Current ACL replacements have a host of limitations that prevent their extensive use. Investigators have begun to utilize tissue-engineering techniques to create new options for ACL repair, regeneration and replacement. In this study we tested novel braid-twist scaffolds, as well as braided scaffolds, twisted fiber scaffolds and aligned fiber scaffolds, for use as ACL replacements composed of poly(L-lactic acid) fibers. Scaffolds were examined using stress relaxation tests, cell viability assays and scanning electron microscopy. The behaviors of the braid-twist scaffolds were modeled with Maxwell and quasi-linear viscoelastic (QLV) models. In stress relaxation tests, the braid-twist scaffolds behaved similarly to native ACL tissue, with final normalized stresses of 87% and 83% after an 8 N load. There was agreement between the experimental data and the Maxwell model when the model included an element for each structural element in the scaffold. There was also agreement between the experimental data and QLV model, scaffolds with similar braiding angles shared constants. In cell proliferation studies no differences were found between fibroblast growth on the braided scaffolds and the braid-twist scaffolds. SEM images showed the presence of new extracellular matrix. Data from this and previous tensile studies demonstrate that the braid-twist scaffold design may be effective in scaffolds for ACL tissue regeneration.
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Affiliation(s)
- Joseph W Freeman
- School of Biomedical Engineering and Sciences, Virginia Tech, Blacksburg, VA 24061, USA
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Paci JM, Scuderi MG, Werner FW, Sutton LG, Rosenbaum PF, Cannizzaro JP. Knee medial compartment contact pressure increases with release of the type I anterior intermeniscal ligament. Am J Sports Med 2009; 37:1412-6. [PMID: 19286914 DOI: 10.1177/0363546509331418] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND The anterior intermeniscal ligament of the knee is at risk during knee arthroscopy, anterior cruciate ligament reconstruction, and tibial nail insertion. HYPOTHESIS Release of the anterior intermeniscal ligament, in knees with type I ligaments, will result in altered contact pressures in the medial compartment. STUDY DESIGN Controlled laboratory study. METHODS Five fresh-frozen human cadaveric knees with intact type I anterior intermeniscal ligaments were chosen for testing in a modified MTS machine from 0 degrees to 60 degrees of flexion under 2 conditions: (1) intact and (2) after sharp sectioning of the anterior intermeniscal ligament. Measurements were made using inframeniscal contact pressure sensors covering the medial compartment. Poststudy analysis was done in 10 degrees increments between 0 degrees and 60 degrees of flexion, looking at peak contact pressure and the amount of contact area seeing pressure. RESULTS Sectioning of the anterior intermeniscal ligament caused a statistically significant increase in the peak pressure at 20 degrees , 30 degrees , 40 degrees , and 50 degrees of knee flexion. The largest change occurred at 40 degrees of knee flexion, when the peak pressure increased by 27.5% (3.68 MPa to 4.69 MPa). Contact area decreased, although this difference was not statistically significant. CONCLUSION Release of the anterior intermeniscal ligament results in increased peak contact pressures in the medial compartment of the knee. CLINICAL RELEVANCE Care should be taken to avoid sacrifice of this ligament during surgery.
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Affiliation(s)
- James M Paci
- Department of Orthopedic Surgery, State University of New York Upstate Medical University, Syracuse, New York 13210, USA.
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Gadikota HR, Seon JK, Kozanek M, Oh LS, Gill TJ, Montgomery KD, Li G. Biomechanical comparison of single-tunnel-double-bundle and single-bundle anterior cruciate ligament reconstructions. Am J Sports Med 2009; 37:962-9. [PMID: 19261901 PMCID: PMC3740372 DOI: 10.1177/0363546508330145] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Anatomic double-bundle reconstruction has been thought to better simulate the anterior cruciate ligament anatomy. It is, however, a technically challenging procedure, associated with longer operation time and higher cost. HYPOTHESIS Double-bundle anterior cruciate ligament reconstruction using a single femoral and tibial tunnel can closely reproduce intact knee kinematics. STUDY DESIGN Controlled laboratory study. METHODS Eight fresh-frozen human cadaveric knee specimens were tested using a robotic testing system to investigate the kinematic response of the knee joint under an anterior tibial load (130 N), simulated quadriceps load (400 N), and combined torques (5 N.m valgus and 5 N.m internal tibial torques) at 0 degrees, 15 degrees, 30 degrees, 60 degrees, and 90 degrees of flexion. Each knee was tested sequentially under 4 conditions: (1) anterior cruciate ligament intact, (2) anterior cruciate ligament deficient, (3) single-bundle anterior cruciate ligament reconstruction using quadrupled hamstring tendon, and (4) single-tunnel-double-bundle anterior cruciate ligament reconstruction using the same tunnels and quadrupled hamstring tendon graft as in the single-bundle anterior cruciate ligament reconstruction. RESULTS Single-tunnel-double-bundle anterior cruciate ligament reconstruction more closely restored the intact knee kinematics than single-bundle anterior cruciate ligament reconstruction at low flexion angles (< or =30 degrees ) under the anterior tibial load and simulated muscle load (P < .05). However, single-tunnel-double-bundle anterior cruciate ligament reconstruction overconstrained the knee joint at high flexion angles (> or =60 degrees ) under the anterior tibial load and at 0 degrees and 30 degrees of flexion under combined torques. CONCLUSION This double-bundle anterior cruciate ligament reconstruction using a single tunnel can better restore anterior tibial translations to the intact level compared with single-bundle anterior cruciate ligament reconstruction at low flexion angles, but it overconstrained the knee joint at high flexion angles. CLINICAL RELEVANCE This technique could be an alternative for both single-bundle and double-tunnel-double-bundle anterior cruciate ligament reconstructions to reproduce intact knee kinematics and native anterior cruciate ligament anatomy.
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Affiliation(s)
- Hemanth R. Gadikota
- Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Jong Keun Seon
- Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts,Department of Orthopaedics, Chonnam National University Hwasun Hospital, Jeonnam, South Korea
| | - Michal Kozanek
- Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Luke S. Oh
- Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Thomas J. Gill
- Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | | | - Guoan Li
- Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts,Address correspondence to Guoan Li, PhD, Bioengineering Laboratory, Massachusetts General Hospital/Harvard Medical School, 55 Fruit Street, GRJ 1215, Boston, MA 02114 ()
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Wegrzyn J, Chouteau J, Philippot R, Fessy MH, Moyen B. Repeat revision of anterior cruciate ligament reconstruction: a retrospective review of management and outcome of 10 patients with an average 3-year follow-up. Am J Sports Med 2009; 37:776-85. [PMID: 19336620 DOI: 10.1177/0363546508330141] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND To the authors' knowledge, no previous published study has focused on management and outcome of repeat revision of anterior cruciate ligament reconstruction in terms of functional result and meniscus and articular cartilage status. HYPOTHESIS Repeat revision of anterior cruciate ligament reconstruction improves knee stability, but with inferior results for functional outcome compared with primary anterior cruciate ligament reconstruction. Meniscal tears and subsequent articular cartilage degeneration are more prevalent with successive revisions due to recurrent laxity. STUDY DESIGN Case series; Level of evidence, 4. MATERIALS AND METHODS Between February 2003 and November 2006, a consecutive series of 10 patients with an average age at 30 years (range, 17-48) were operated on for a repeat revision of anterior cruciate ligament reconstruction (2 revisions after a primary reconstruction) with arthroscopic procedures. A clinical and a radiographic evaluation were performed to assess anterior cruciate ligament reconstruction failures, outcome of revisions, and causes of failures. Meniscal tears and articular cartilage lesions were analyzed. RESULTS The average follow-up of the second revision was 38 months (range, 12-61). At latest follow-up, final International Knee Documentation Committee assessment was excellent or good in 7 cases. Postoperatively, only 2 patients recovered to the same sports activity level they had before their first anterior cruciate ligament reconstruction. Four had a lower level, and 4 discontinued sports activity. The postoperative average side-to-side KT-1000 arthrometer maximum manual difference was 1.3 +/- 1.9 mm. Nine patients had meniscal tears and 7 had articular cartilage lesions. Meniscal tears, meniscectomies, and articular cartilage degeneration increased after the second revision (P = .016, P = .0098, and P = .0197, respectively). Severe articular cartilage degeneration (International Cartilage Repair Society grade III and IV lesions) was found in patients with bad functional outcome (final International Knee Documentation Committee assessment C or D) (P = .0472). Incidence of articular cartilage degeneration was found to be more prevalent in cases of meniscal tears and partial meniscectomy at the same tibiofemoral compartment (P = .0157). Index anterior cruciate ligament reconstruction and first revision failures were caused by recurrent trauma (60% and 70%, respectively) or a surgical technical error with tunnel malpositioning (40% and 10%, respectively). CONCLUSION Outcome of repeat revision of anterior cruciate ligament reconstruction was excellent or good in 70% of the cases, although decreased after the second revision, in relation to the occurrence of meniscal tears and articular cartilage lesions. Meniscal and articular cartilage lesions were more frequent and more severe with recurrent laxity. The cause of failures was mainly recurrent trauma, followed by surgical technical errors.
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Affiliation(s)
- Julien Wegrzyn
- Department of Orthopedic Surgery and Sports Medicine, Centre Hospitalier Lyon-Sud, Pierre-Bénite, France.
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Marcacci M, Zaffagnini S, Giordano G, Iacono F, Presti ML. Anterior cruciate ligament reconstruction associated with extra-articular tenodesis: A prospective clinical and radiographic evaluation with 10- to 13-year follow-up. Am J Sports Med 2009; 37:707-14. [PMID: 19193599 DOI: 10.1177/0363546508328114] [Citation(s) in RCA: 150] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND This study was undertaken to prospectively analyze, at a mean 11-year follow-up, the clinical and radiographic outcomes in patients undergoing the authors' intra-articular anterior cruciate ligament reconstructive procedure with extra- articular augmentation, and to compare these data with those at 5-year follow-up. PURPOSE The clinical and radiographic outcomes in patients undergoing anterior cruciate ligament reconstruction were analyzed at a mean 11-year follow-up. STUDY DESIGN Case series; Level of evidence, 4. METHODS The authors studied 54 of 60 consecutive high-level sports patients who underwent their anterior cruciate ligament reconstruction technique between 1993 and 1995. The surgical technique uses the hamstring tendons with intact tibial insertions for intra-articular double-stranded reconstruction plus an extra-articular plasty (augmentation) performed with the remnant part of the tendons. Clinical and radiographic evaluations were performed. RESULTS After 11 years, the International Knee Documentation Committee score demonstrated good or excellent results (A and B) in 90.7% of patients. Ligament arthrometry using the KT-2000 arthrometer demonstrated that only 2 patients had >5 mm manual maximum side-to-side difference in laxity. The mean Tegner activity score was 4.5, while the mean Lysholm score was 97.3 and the mean subjective score was 90.0%. Radiographic evaluation demonstrated progressive joint narrowing only for the 20 patients having concomitant medial meniscal surgery. CONCLUSION The original technique demonstrates highly satisfactory results. Factors negatively affecting the outcomes are meniscectomy and laxity. In this series, anterior cruciate ligament reconstruction with lateral plasty shows maintenance of knee stability at long-term follow-up. Knee osteoarthritis after anterior cruciate ligament reconstruction with extra-articular tenodesis does not appear to be greater than after anterior cruciate ligament reconstructions without extra-articular augmentation as reported in historical controls.
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Chouteau J, Benareau I, Testa R, Fessy MH, Lerat JL, Moyen B. Comparative study of knee anterior cruciate ligament reconstruction with or without fluoroscopic assistance: a prospective study of 73 cases. Arch Orthop Trauma Surg 2008; 128:945-50. [PMID: 17874244 DOI: 10.1007/s00402-007-0452-2] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2007] [Indexed: 10/22/2022]
Abstract
INTRODUCTION Correct placement of both tibial and femoral tunnels is one of the main factors for a favorable clinical outcome after anterior cruciate ligament (ACL) reconstruction. We used an original system of computer assisted surgery (CAS). The system, based on fluoroscopic guidance combined with special graphical software of image analyzing, showed to the surgeon, before drilling, the recommended placement of tibial and femoral tunnel centers. We compared the first anatomical and clinical results of this procedure to the usual one single incision technique. MATERIALS AND METHODS We conducted a prospective study on 73 patients; 37 patients were operated on with CAS and 36 without CAS, by the same senior surgeon. The mean age was 27 years for both groups. Every patient was reviewed at an average of 2.2 years (range 1-4.5) by an independent observer, using IKDC scoring system, KT-1000, and passive stress radiographs. RESULTS Time between ACL rupture and reconstruction averaged 30 months for both groups. CAS needed 9.3 min extra surgery time. Clinical evaluation was graded from A to C as per the IKDC scoring system: 67.6% A, 29.7% B, 2.7% C with CAS; and 60% A, 37.1% B, 2.9% C without CAS. IKDC subjective knee evaluation score averaged 89.7 with CAS and 89.5 without CAS. Pre operative KT-1000 maxi manual differential laxity averaged 7. At revision time, all the patients after CAS had a differential laxity less than 2 and 97.7% without CAS. Stress X-rays differential laxity averaged 2.4 mm with CAS and 3 mm without CAS. The area of dispersion of the tunnels' center was smaller on the femoral side using the CAS method. There was no statistically significant difference between both groups using IKDC score, KT-1000 and passive stress radiographs. CONCLUSIONS The CAS method provided a more accurate and reproducible tunnels placement without clinical significant effect.
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Affiliation(s)
- Julien Chouteau
- Department of Orthopaedic Surgery and Sport Medicine, Centre Hospitalier Lyon-Sud, Chemin du Grand Revoyer, Pierre Bénite Cedex, France.
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Lebel B, Hulet C, Galaud B, Burdin G, Locker B, Vielpeau C. Arthroscopic reconstruction of the anterior cruciate ligament using bone-patellar tendon-bone autograft: a minimum 10-year follow-up. Am J Sports Med 2008; 36:1275-82. [PMID: 18354147 DOI: 10.1177/0363546508314721] [Citation(s) in RCA: 112] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Anterior cruciate ligament reconstruction surgery and technique have changed over the past decade. HYPOTHESIS Modern arthroscopic management of an anterior cruciate ligament tear using patellar tendon autograft offers a high patient satisfaction rate and good clinical results over the long term. However, it may be associated with osteoarthritis changes over time. STUDY DESIGN Case series; Level of evidence, 4. METHODS In 1992, a prospective computerized database of anterior cruciate ligament reconstruction was established. Since that time, 101 anterior cruciate ligament arthroscopic reconstructions performed at our institution have been observed. Inclusion criteria were as follows: reconstruction with bone-patellar tendon-bone graft, a minimum 10-year follow-up, a standardized operative procedure, and no previous anterior cruciate ligament repair or associated ligament lesions. Before surgery, the mean age of the patients was 28.8 years +/- 8.3 (mean +/- SD). The follow-up assessment was established using the International Knee Documentation Committee (IKDC) 2000 form and quantitative laxity testing with a KT-1000 arthrometer. The joint space narrowing assessment used the IKDC score with a 30 degrees posteroanterior weightbearing view. RESULTS Mean follow-up was 11.6 +/- 0.8 years. Nine graft ruptures occurred. The satisfaction rate was excellent (90%). Seventy patients (74%) were still actively participating in sports. The mean subjective IKDC 2000 score was 90.5 +/- 8.8 points. The IKDC score was statistically correlated to laxity, time from injury, and osteoarthritis development at final follow-up. Ninety-one percent of patients were graded A or B according to the overall IKDC score. The radiological assessment reported osteoarthritis development in 17.8% of patients, and 39% showed radiological changes. Osteoarthritis was correlated with body mass index (P = .01) and age at follow-up (P = .006). In a selected population without meniscus and articular cartilage injury, an osteoarthritis rate of only 8% was found. Conclusion Arthroscopic anterior cruciate ligament reconstruction using bone-patellar tendon-bone autograft resulted in high patient satisfaction levels and good clinical results after 10 years. Moreover, a high percentage of patients remained involved in sports activities, and anterior cruciate ligament reconstruction protected their meniscus from a secondary tear. However, knee osteoarthritis developed in 17.8% of patients so treated.
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Pinczewski LA, Salmon LJ, Jackson WFM, von Bormann RBP, Haslam PG, Tashiro S. Radiological landmarks for placement of the tunnels in single-bundle reconstruction of the anterior cruciate ligament. ACTA ACUST UNITED AC 2008; 90:172-9. [PMID: 18256083 DOI: 10.1302/0301-620x.90b2.20104] [Citation(s) in RCA: 116] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
There is little evidence examining the relationship between anatomical landmarks, radiological placement of the tunnels and long-term clinical outcomes following anterior cruciate ligament (ACL) reconstruction. The aim of this study was to investigate the reproducibility of intra-operative landmarks for placement of the tunnels in single-bundle reconstruction of the ACL using four-strand hamstring tendon autografts. Isolated reconstruction of the ACL was performed in 200 patients, who were followed prospectively for seven years with use of the International Knee Documentation Committee forms and radiographs. Taking 0% as the anterior and 100% as the posterior extent, the femoral tunnel was a mean of 86% (sd 5) along Blumensaat's line and the tibial tunnel was 48% (sd 5) along the tibial plateau. Taking 0% as the medial and 100% as the lateral extent, the tibial tunnel was 46% (sd 3) across the tibial plateau and the mean inclination of the graft in the coronal plane was 19 degrees (sd 5.5). The use of intra-operative landmarks resulted in reproducible placement of the tunnels and an excellent clinical outcome seven years after operation. Vertical inclination was associated with increased rotational instability and degenerative radiological changes, while rupture of the graft was associated with posterior placement of the tibial tunnel. If the osseous tunnels are correctly placed, single-bundle reconstruction of the ACL adequately controls both anteroposterior and rotational instability.
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Affiliation(s)
- L A Pinczewski
- North Sydney Orthopaedic and Sports Medicine Centre, 286 Pacific Highway, Crows Nest, Sydney, Australia
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Rollier JC, Besse JL, Lerat JL, Moyen B. [Anterior cruciate ligament revision: analysis and results from a series of 74 cases]. ACTA ACUST UNITED AC 2007; 93:344-50. [PMID: 17646815 DOI: 10.1016/s0035-1040(07)90275-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
PURPOSE OF THE STUDY This was a retrospective series of patients who underwent revision ligamentoplasty of the anterior cruciate ligament (ACL). We wanted to assess the functional outcome after this type of surgery and search for potential prognostic factors. MATERIAL AND METHODS The series included 74 patients, mean age 34 years (range 21-59 years). The initial ligamentoplasty was performed with a synthetic ligament (n=16), an autograft (n=57) or an allograft (n=1). Differential laxity (KT-1000 maximal manual) was 7 +/- 2.5 mm. Anterior drawer was measured on the stress x-rays in 20 degrees flexion: medial 8 +/- 4.7 mm, lateral 8.3 +/- 4.9 mm. Mean time to revision surgery was 78 months. Reconstruction was performed arthroscopically in 69 knees. The implant used for the revision reconstruction was an autograft: patellar tendon (n=42), quadriceps tendon (n=15), hamstring tendon (n=13), patellar tendon and quadriceps tendon (MacInJones) (n=3), fascia lata (n=1). A meniscal tear was noted in 24 knees and a cartilage lesion in 35. RESULTS Outcome was assessed at mean 21.2 months follow-up. The mean IKDC function score was 71.7 (range 21.8-100). 78% of patients considered their knee normal or nearly normal and 88% presented a positive Lachmann. Mean differential laxity measured with KT-1000 (maximal manual) was 2 +/- 1.7 mm. Stress x-rays revealed a mean differential laxity measured at 3.7 +/- 2.3 mm medially and 6.3 +/- 4.3 mm laterally. The presence of a meniscal lesion favored osteoarthritic degradation. Presence of chondral lesions altered the functional outcome significantly and limited resumption of sports activities. An initial repair using a synthetic ligament affected the functional outcome after revision surgery and favored or aggravated chondral lesions. DISCUSSION The clinical results we have obtained with revision ACL ligamentoplasty are comparable to previous series reported in the literature. The functional outcome is not as good as after first-intention repair, especially if the initial plasty was done with a synthetic ligament and the knee presented meniscal or cartilage damage.
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Affiliation(s)
- J-C Rollier
- Service de Chirurgie Orthopédique et de Médecine du Sport, Centre Hospitalier Lyon-Sud, 69497 Pierre-Bénite.
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Zantop T, Kubo S, Petersen W, Musahl V, Fu FH. Current techniques in anatomic anterior cruciate ligament reconstruction. Arthroscopy 2007; 23:938-47. [PMID: 17868832 DOI: 10.1016/j.arthro.2007.04.009] [Citation(s) in RCA: 70] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2006] [Revised: 12/17/2006] [Accepted: 04/03/2007] [Indexed: 02/07/2023]
Abstract
PURPOSE The aim of this report is to summarize several techniques that are currently performed to reconstruct the anterior cruciate ligament (ACL) via an anatomic approach restoring the anteromedial (AM) bundle and posterolateral (PL) bundle separately. METHODS A survey containing questions about technique and rehabilitation protocol and a picture of an anatomic specimen, where study participants were asked to locate the tunnels, was created. This was sent to surgeons identified either through an Internet-based search via the National Library of Medicine or who have presented clinical studies about anatomic ACL reconstruction at international meetings. The questions were presented in an open-fashioned way in an Excel-based data file (Microsoft, Redmond, WA) and addressed the profile of the panelists, number of total and anatomic ACL reconstruction per year, graft choice, graft fixation, advantages and disadvantages of anatomic ACL reconstruction, and rehabilitation protocol. RESULTS One of the most common techniques used 2 femoral and 2 tibial tunnels with a soft-tissue graft. All but 1 panelist used a hamstring graft. A great variance in tunnel placement of the PL bundle was noted. Most surgeons prefer a transtibial technique for the AM bundle. Of the study participants, 67% start by placing a tunnel at the tibial insertion of the ACL. All of the surgeons who started at the femoral insertion with the PL bundle used an accessory medial portal technique. CONCLUSIONS Anatomic reconstruction of the ACL remains a technically demanding procedure. Hamstring grafts are the most commonly used graft; an extracortical flip button technique is used at the femoral site, and a hybrid technique is used at the tibial site. The femoral tunnel placement of the PL bundle tunnel is statistically different from the AM bundle tunnel, and the same rehabilitation protocols as for single-bundle ACL reconstructions are used. CLINICAL RELEVANCE Knowledge of the pitfalls and current techniques used for an anatomic approach restoring both bundles of the ACL may provide important information for surgeons considering this technique. LEVEL OF EVIDENCE Level V, expert opinion.
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Affiliation(s)
- Thore Zantop
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.
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Moisala AS, Järvelä T, Harilainen A, Sandelin J, Kannus P, Järvinen M. The effect of graft placement on the clinical outcome of the anterior cruciate ligament reconstruction: a prospective study. Knee Surg Sports Traumatol Arthrosc 2007; 15:879-87. [PMID: 17370064 DOI: 10.1007/s00167-007-0295-y] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2006] [Accepted: 01/22/2007] [Indexed: 02/01/2023]
Abstract
The effect of the graft placement on the clinical outcome of patients after anterior cruciate ligament (ACL) reconstruction has been studied sparsely. We conducted a prospective follow-up of 140 patients who underwent an arthroscopic ACL reconstruction with a hamstring graft. One hundred and four of them (74%) could be examined at the 2-year follow-up. Clinical examination included Lysholm, Tegner, and International Knee Documentation Committee rating scores, arthrometric anterior-posterior knee laxity assessment, and muscle strength assessments. The graft placement was measured from lateral radiographs using a system recommended for measuring the attachment positions of the cruciate ligaments as well as a method called 'the sumscore of the graft placement', which takes into account both the femoral and the tibial graft placements simultaneously. The sumscore was smaller in knees with normal anterior-posterior knee laxity in the Lachman test (P = 0.002) and normal rotational knee laxity in the pivot shift test (P = 0.01) than in those with abnormal laxity. The tibial graft placement was more anterior when the Lachman test was normal (P = 0.04). The Lysholm score was better when the femoral graft placement was more posterior (r = -0.20, P = 0.04). The optimal femoral graft placement was between 25 and 29% of length of the femoral condyle along the Blumensaat's line from posterior to anterior. The optimal tibial graft placement was between 32 and 37% of the length of the tibial plateau from the anterior corner, and the optimal sumscore was between 61 and 66. The sumscore and its components (the femoral and tibial graft placements) showed a clear association with the clinical outcome of the patients. The best outcome was achieved when the sumscore was small; that is the graft placement showed posterior enough in the femur, and anterior enough in the tibia.
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Affiliation(s)
- Anna-Stina Moisala
- Medical School, University of Tampere, Kalevantie 4, 33014 Tampere, Finland.
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Huang MH, Yang RC, Chou PH. Preliminary effects of hyaluronic acid on early rehabilitation of patients with isolated anterior cruciate ligament reconstruction. Clin J Sport Med 2007; 17:242-50. [PMID: 17620776 DOI: 10.1097/jsm.0b013e31812570fa] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To investigate the effects of Hyaluronic acid (HA) on early rehabilitation of patients with isolated anterior cruciate ligament (ACL) reconstruction. DESIGN Randomized, controlled clinical trial. SETTING A total 120 patients with isolated ACL injury who had received patellar tendon autograft reconstruction were randomly assigned to four groups (groups I-IV), with 30 subjects in each group. INTERVENTIONS All patients received 16 weeks of a regular rehabilitation program and an intra-articular injection of HA or saline weekly for 3 weeks. Additionally, patients in group I received the HA commencing at 4 weeks after surgery, patients in group II at 8 weeks, and patients in group III at 12 weeks. Patients in group IV did not receive HA but did receive the same volume of normal saline as control subjects at 4 weeks after surgery. The rehabilitation program started at the same time after surgery for all groups. MAIN OUTCOME MEASUREMENTS Outcomes were measured at 4, 8, 12, and 16 weeks after reconstruction, and at follow-up 1 year later. These included the changes in Lysholm knee scoring scale, knee range of motion, ambulation speed (AS), and muscle peak torque (MPT) of knee flexion and extension. RESULTS There were improvements in groups I-III shortly after receiving the HA, but not in the saline group (group IV). Patients in groups II and III showed more improvement in AS and MPT after rehabilitation program and at follow-up. Besides, the best results 1 year later occurred in the group receiving HA at 8 weeks after surgery (group II). CONCLUSION HA therapy results in more functional and MPT improvement in ACL rehabilitation, and the intervention at 8 weeks after surgery results in the best outcome.
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Affiliation(s)
- Mao-Hsiung Huang
- Departments of Physical Medicine and Rehabilitation, Kaohsiung Medical University Hospital, Taiwan.
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Marrale J, Morrissey MC, Haddad FS. A literature review of autograft and allograft anterior cruciate ligament reconstruction. Knee Surg Sports Traumatol Arthrosc 2007; 15:690-704. [PMID: 17429611 DOI: 10.1007/s00167-006-0236-1] [Citation(s) in RCA: 86] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2006] [Accepted: 11/09/2006] [Indexed: 01/13/2023]
Abstract
Knee anterior cruciate ligament reconstructive surgery has significantly evolved and now includes the option of using an allograft. This has resulted in numerous studies evaluating the advantages and disadvantages of allografts. The purpose of this literature review is to evaluate this research and present important findings to allow the selection of the most appropriate graft source when considering allograft versus autograft reconstruction.
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Affiliation(s)
- Jonathan Marrale
- Division of Applied Biomedical Research, School of Biomedical and Health Sciences, King's College London, London, UK
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Pinczewski LA, Lyman J, Salmon LJ, Russell VJ, Roe J, Linklater J. A 10-year comparison of anterior cruciate ligament reconstructions with hamstring tendon and patellar tendon autograft: a controlled, prospective trial. Am J Sports Med 2007; 35:564-74. [PMID: 17261567 DOI: 10.1177/0363546506296042] [Citation(s) in RCA: 447] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND There are no controlled, prospective studies comparing the 10-year outcomes of anterior cruciate ligament (ACL) reconstruction using patellar tendon (PT) and 4-strand hamstring tendon (HT) autografts. HYPOTHESIS Comparable results are possible with HT and PT autografts. STUDY DESIGN Cohort study; Level of evidence, 2. METHODS One hundred eighty ACL-deficient knees that met inclusion criteria underwent ACL reconstruction (90 HT autograft, 90 PT autograft) by one surgeon and were treated with an accelerated rehabilitation program. All knees were observed in a prospective fashion with subjective, objective, and radiographic evaluation at 2, 5, 7, and 10-year intervals. RESULTS At 10 years, there were no differences in graft rupture rates (7/90 PT vs. 12/90 HT, P = .24). There were 20 contralateral ACL ruptures in the PT group, compared with 9 in the HT group (P = .02). In all patients, graft rupture was associated with instrumented laxity >2 mm at 2 years (P = .001). Normal or near-normal function of the knee was reported in 97% of patients in both groups. In the PT group, harvest-site symptoms (P = .001) and kneeling pain (P = .01) were more common than in the HT group. More patients reported pain with strenuous activities in PT knees than in HT knees (P = .05). Radiographic osteoarthritis was more common in PT knees than the HT-reconstructed knees (P = .04). The difference, however, was composed of patients with mild osteoarthritis. Other predictors of radiographic osteoarthritis were <90% single-legged hop test at 1 year and the need for further knee surgery. An "ideal" outcome, defined as an overall International Knee Documentation Committee grade of A or B and a radiographic grade of A at 10 years after ACL reconstruction, was associated with <3 mm of instrumented laxity at 2 years, the absence of additional surgery in the knee, and HT grafts. CONCLUSIONS It is possible to obtain excellent results with both HT and PT autografts. We recommend HT reconstructions to our patients because of decreased harvest-site symptoms and radiographic osteoarthritis.
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Affiliation(s)
- Leo A Pinczewski
- North Sydney Orthopaedic and Sports Medicine Centre, Crows Nest, Sydney, NSW, Australia.
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Giraud B, Besse JL, Cladière F, Ecochard R, Moyen B, Lerat JL. Influence d’une ligamentoplastie extra-articulaire latérale sur les résultats de la reconstruction du ligament croisé antérieur avec le ligament patellaire avec 7 ans de recul. ACTA ACUST UNITED AC 2006; 92:788-97. [PMID: 17245238 DOI: 10.1016/s0035-1040(06)75947-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
PURPOSE OF THE STUDY Reconstruction of the anterior cruciate ligament (ACL) is a common procedure, but use of lateral reinforcement is still a subject of debate. The purpose of this study was to compare two randomized series of ACL reconstructions, one using an intra-articular method (patellar tendon autograft) and the other an intra- and extra-articular method (Mac-InJones). MATERIAL AND METHODS From January 1995 to March 1998, 63 knees underwent surgery for ACL reconstruction. Inclusion criteria was significant medial differential laxity measured between 7 and 12 mm on passive dynamic x-rays as 20 degrees flexion. Group 1 (patellar tendon intra-articular reconstruction) included 34 patients (27.1+/-7.5 years) and group 2 (intra-articular reconstruction plus extra-articular quadircipital tendon plasty) included 29 patients (28.5+/-12 years). The IKDC score was determined for 72% of the knees in group 1 and 68% in group 2 at seven years follow-up on average (102 and 93 months respectively). Anterior laxity was measured radiographically and with KT-1000. The position of the tunnels was controlled using the Aglietti method. RESULTS The subjective functional score was 83.6+/-3.5 in group 1 and 83.5+/-3.5 in group 2. The overall IKDC knee score classes for group 1 were 0% A, 52.4% B, 28.6% C, and 19% D and for group 2 were 5.5% group A, 50% group B, 33.3% group C, and 11.1% group D. In group 1, the pivot test was negative in 61.9% and noted stage 1 in 28.6% and stage 2 in 9.5%. In group 2, the pivot test was negative in 78.9% and noted stage 1 in 15.8% and stage 2 in 5.3%. The KT-1000 showed no difference in gain in laxity: 31% for group 1 and 27% for group 2. Similarly, radiographically there was no difference with a 43.9% gain in differential laxity for the medial compartment and 45.3% for the lateral compartment in group 1. In group 2 the corresponding values were 51.9% and 41.8%. The position of the tunnels was the same in the two groups. DISCUSSION In a preliminary study with two years follow-up, the results in these two series were not significantly different. It was concluded that there was not clear advantage to adding the extra-articular lateral plasty. At the present 7-year follow-up, pivoting appears to be better controlled in the lateral plasty group (p=0.23), but with no significant difference for laxity for both knee compartments. The inclusion criteria would be different today and would be based on the laxity of the lateral compartment.
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Affiliation(s)
- B Giraud
- Service de Chirurgie Orthopédique et de Médecine du Sport, Centre Hospitalier Lyon-Sud, 69495 Pierre-Bénite
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Aït Si Selmi T, Fithian D, Neyret P. The evolution of osteoarthritis in 103 patients with ACL reconstruction at 17 years follow-up. Knee 2006; 13:353-8. [PMID: 16935515 DOI: 10.1016/j.knee.2006.02.014] [Citation(s) in RCA: 122] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2006] [Accepted: 02/28/2006] [Indexed: 02/02/2023]
Abstract
AIM To evaluate the functional and radiological outcome of a bone-tendon-bone anterior cruciate ligament reconstruction, at long-term follow-up. METHODS A retrospective study of 148 patients, of which 103 were available for long-term follow-up. Complete functional and radiological evaluation (International Knee Documentation Committee scale) were performed in 89 out of the 103 patients [Anderson AF. Rating scales. In: Fu FH, Harner CD, Vince KG, (Eds.). Knee Surgery, Baltimore, Williams and Wilkins vol. 1, 1994; 12, pp. 275-296]. RESULTS The mean follow-up time was 17.4 years. Subjectively, 88% of the patients were very satisfied or satisfied. According to the IKDC score 55% had type A symptoms, 29% type B, 12% type C, and 4% type D. The IKDC ligament evaluation showed 14.9% type A, 44.8% type B, 35.8% type C, and 4.5% type D. At the review 22.7% had a narrowing <50% (C) and 4.7% a narrowing >50% (D). Onset of osteoarthritis showed an association with the status of the medial meniscus. Knees with a preserved (healthy or sutured) medial meniscus had a significantly (p < 0.05) better radiological outcome. Among these, 9% had a joint space narrowing <50% (C) and 2% had a narrowing >50% (D). Medial meniscectomy, residual laxity, and femoral chondral defects were associated with osteoarthritis. CONCLUSION The outcome of anterior cruciate ligament reconstruction plus extra-articular tenodesis is good in the very long term, particularly in knees with a preserved medial meniscus.
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Affiliation(s)
- T Aït Si Selmi
- Centre Livet of Orthopaedics Surgery and Traumatology, Hôpital de la Croix Rousse, Centre Livet 69300 Caluire, France.
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Majima T, Lo IKY, Marchuk LL, Shrive NG, Frank CB. Effects of ligament repair on laxity and creep behavior of an early healing ligament scar. J Orthop Sci 2006; 11:272-7. [PMID: 16721529 DOI: 10.1007/s00776-006-1015-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2005] [Accepted: 02/27/2006] [Indexed: 10/24/2022]
Abstract
BACKGROUND Previous clinical studies have reported that conservatively managed medial collateral ligament (MCL) injuries remained unstable 9 years post injury with subjective complaints of muscle weakness, reinjuries, and post-traumatic osteoarthritis. Animal studies have also reported that healing MCLs were weaker and more lax than controls. Therefore, our purpose was to study the early effects of ligament repair on scar laxity, creep, and creep recovery in a rabbit model of bilateral medial collateral ligament (MCL) injury. METHODS Each rabbit had one MCL cut in midsubstance which was not repaired, while the other MCL had a sagittal Z-plasty repair. Six weeks after surgery, isolated bone-MCL-bone complexes were biomechanically tested for MCL laxity, cyclic creep, creep recovery, and then loaded to ultimate failure. RESULTS Nonrepaired scars were significantly more lax than both repaired Z-plasty scars and normal controls. In contrast, there was no significant difference in MCL laxity between repaired scars and normal controls. There were no significant differences between nonrepaired or repaired scars for either cyclic creep and creep recovery. Both crept significantly more and recovered significantly less than normal controls after the same load history. There were no significant differences in the failure load, stiffness, and tensile strength between gap scars and Z-plasty scars. All healing ligaments had significantly lower failure load, stiffness, and tensile strength than normal controls. CONCLUSIONS The present study demonstrates that ligament repair is effective in decreasing short-term laxity of ligament scars. These 6-week scars would be prone to abnormal creep if loaded excessively.
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Affiliation(s)
- Tokifumi Majima
- Division of Orthopaedics, Faculty of Medicine, McCaig Centre for Joint Injury & Arthritis Research, University of Calgary, 3330 Hospital Drive NW, Calgary, AB, Canada T2N 4N1
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Salmon LJ, Russell VJ, Refshauge K, Kader D, Connolly C, Linklater J, Pinczewski LA. Long-term outcome of endoscopic anterior cruciate ligament reconstruction with patellar tendon autograft: minimum 13-year review. Am J Sports Med 2006; 34:721-32. [PMID: 16399931 DOI: 10.1177/0363546505282626] [Citation(s) in RCA: 208] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Short-term results of anterior cruciate ligament reconstruction are well reported; however, there are no studies evaluating endoscopic reconstruction of the anterior cruciate ligament with a minimum 10-year follow-up. HYPOTHESIS Anterior cruciate ligament reconstruction with patellar tendon graft affords good subjective results and clinical laxity assessments but may be associated with development of osteoarthritis over the long term. STUDY DESIGN Case series; Level of evidence, 4. METHODS Endoscopic anterior cruciate ligament reconstruction was performed in 67 consecutive patients without significant articular surface damage. Patients were assessed at 5, 7, and 13 years after surgery with the International Knee Documentation Committee Knee Ligament Evaluation Form, Lysholm knee score, hop tests, kneeling pain, and radiographs. RESULTS At 13-year review, self-reported assessments remained excellent; 96% of patients reported normal or nearly normal knee function. Grade 0 or 1 results were seen in more than 92% of patients on laxity testing. Patients who had undergone meniscectomy at the time of reconstruction had increased laxity between 7 and 13 years on instrumented testing (P = .03) and 6 times greater odds of anterior cruciate ligament graft rupture than if they had not undergone meniscectomy (95% confidence interval, 1-37). Degenerative changes on radiographs were found in 79% of patients at 13 years and were associated with meniscectomy (P = .006), loss of extension (P = .05), and greater laxity on Lachman test (P = .04). CONCLUSIONS Endoscopic anterior cruciate ligament reconstruction with patellar tendon autograft affords and maintains good self-reported assessments and clinical ligament evaluation up to 13 years. Radiographic degenerative changes were seen in three quarters of patients. Almost half developed loss of extension, suggesting onset of early osteoarthritis. Patients who had undergone meniscectomy at the time of reconstruction had increased clinical ligament laxity over time and greater odds of graft rupture, possibly reflecting the effect of prolonged increased strain on the graft. Continued follow-up is required to resolve concerns regarding integrity of the patellar tendon graft beyond 13 years, particularly in the absence of meniscal tissue.
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Affiliation(s)
- Lucy J Salmon
- Australian Institute of Musculoskeletal Research, Sydney, NSW, Australia.
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Giron F, Cuomo P, Aglietti P, Bull AMJ, Amis AA. Femoral attachment of the anterior cruciate ligament. Knee Surg Sports Traumatol Arthrosc 2006; 14:250-6. [PMID: 16283172 DOI: 10.1007/s00167-005-0685-y] [Citation(s) in RCA: 86] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2005] [Accepted: 04/02/2005] [Indexed: 12/11/2022]
Abstract
Endoscopic anterior cruciate ligament (ACL) reconstruction is one of the most popular orthopaedic procedures. Correct tunnel positioning is a prerequisite to success. Current surgical techniques are unable to duplicate the complex anatomy and function of the native ACL. Surgery mainly aims at restoring anteroposterior laxity. The ACL is not isometric and only a few fibers are nearly isometric over the full range of motion. However, a nearly isometric behaviour of the ACL graft is desirable. Isometry is mainly influenced by femoral attachment; thus the femoral tunnel position has a greater effect than the tibial on graft length changes. The purpose of this article is to describe the anatomy of the femoral ACL insertion and to discuss the surgical techniques used to replicate it.
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