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Zhong J, Lee NJ, Crutchfield C, Mueller J, Ahmad C, Trofa D, Lynch TS. Perioperative outcomes in isolated versus multiligamentous anterior cruciate ligament reconstruction: a retrospective cohort analysis. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY & TRAUMATOLOGY : ORTHOPEDIE TRAUMATOLOGIE 2024; 34:1597-1607. [PMID: 38363347 DOI: 10.1007/s00590-024-03848-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 01/25/2024] [Indexed: 02/17/2024]
Abstract
PURPOSE The outcomes of anterior cruciate ligament reconstruction in the setting of multiligamentous knee injury (M-ACLR) have not been well characterized compared to isolated ACLR (I-ACLR). This study aims to characterize and compare short-term outcomes between I-ACLR and M-ACLR. METHODS This is a retrospective cohort analysis of the American College of Surgeons National Surgical Quality Improvement Program database from 2005 to 2017. Current Procedural Terminology codes were used to identify and compare elective I- and M-ACLR patients, excluding patients undergoing concomitant meniscal or chondral procedures. Patient demographics and outcomes after I- and M-ACLR were compared using bivariate analysis. Multiple logistic regression analyzed if multiligamentous ACLR was an independent risk factor for adverse outcomes. RESULTS There was a total of 13,131 ACLR cases, of which 341 were multiligamentous cases. The modified fragility index-5 was higher in multiligamentous ACLR (p < 0.001). Multiligamentous ACLR had worse perioperative outcomes, with higher rate of all complications (3.8%, p = 0.013), operative time > 1.5 h (p < 0.001), length of stay (LOS) ≥ 1 day (p < 0.001), wound complication (2.1%, p = 0.001), and intra- or post-op transfusions (p < 0.001). In multiple logistic regression, multiligamentous ACLR was an independent risk factor for LOS ≥ 1 (odds ratio [OR] 5.8), and intra-/post-op transfusion (OR 215.1) and wound complications (OR 2.4). M-ACLR was not an independent risk factor for any complication, reoperation at 30 days, readmission, urinary tract infection (UTI), or venous thromboembolism (VTE). CONCLUSION M-ACLR generally had worse outcomes than I-ACLR, including longer LOS, need for perioperative transfusions, and wound complications.
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Affiliation(s)
- Jack Zhong
- Department of Orthopedic Surgery, Columbia University, 301 E 17th St, 14th Floor, New York, NY, 10010, USA.
- Department of Orthopaedic Surgery, New York University Langone Health, New York, 10010, USA.
| | - Nathan J Lee
- Department of Orthopedic Surgery, Columbia University, 301 E 17th St, 14th Floor, New York, NY, 10010, USA
| | - Connor Crutchfield
- Department of Orthopedic Surgery, Columbia University, 301 E 17th St, 14th Floor, New York, NY, 10010, USA
| | - John Mueller
- Department of Orthopedic Surgery, Columbia University, 301 E 17th St, 14th Floor, New York, NY, 10010, USA
| | - Christopher Ahmad
- Department of Orthopedic Surgery, Columbia University, 301 E 17th St, 14th Floor, New York, NY, 10010, USA
| | - David Trofa
- Department of Orthopedic Surgery, Columbia University, 301 E 17th St, 14th Floor, New York, NY, 10010, USA
| | - T S Lynch
- Department of Orthopedic Surgery, Columbia University, 301 E 17th St, 14th Floor, New York, NY, 10010, USA
- Department of Orthopedic Surgery, Henry Ford Health, Detroit, 48202, USA
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Sproul D, Agarwal A, Malyavko A, Mathur A, Kreulen RT, Thakkar SC, Best MJ. Graft failure within 2 years of isolated anterior cruciate ligament reconstruction is associated with increased risk of secondary meniscus tears. Knee Surg Sports Traumatol Arthrosc 2023; 31:5823-5829. [PMID: 37938327 DOI: 10.1007/s00167-023-07653-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 10/24/2023] [Indexed: 11/09/2023]
Abstract
PURPOSE A debilitating complication following anterior cruciate ligament reconstruction is a secondary meniscus tear. Currently, the literature is mixed regarding the risk factors associated with the incidence of secondary meniscus tears. The aim of this study was to investigate risk factors associated with meniscus tears following an isolated primary anterior cruciate ligament reconstruction. ACL graft failure was hypothesized to be the strongest risk factor for secondary meniscal injury occurrence. METHODS A retrospective cohort analysis was performed using the PearlDiver Database. Patients with a primary anterior cruciate ligament reconstruction were identified in the database. Patients with concomitant knee ligament injury or meniscus injury present at the time the index procedure were excluded. Patients were grouped to those who had a secondary meniscus tear within 2 years following anterior cruciate ligament reconstruction and those who did not. Univariate analysis and multivariable regression analysis was conducted to identify significant risk factors for a secondary meniscus tear. RESULTS There were 25,622 patients meeting criteria for inclusion in this study. Within 2 years from the primary anterior cruciate ligament reconstruction, there were 1,781 patients (7.0%) that experienced a meniscus tear. Graft failure had the highest odds of having a postoperative meniscus tear within 2 years (OR: 4.1; CI 3.5-4.8; p < 0.002). Additional significant risk factors included tobacco use (OR: 2.0; CI 1.0-3.1; p < 0.001), increased Charlson Comorbidity Index (OR: 1.2; CI 1.1-1.4), male gender (OR: 1.1; CI 1.1-1.2; p < 0.001), obesity (OR: 1.1; CI 1.1-1.2; p < 0.001), delayed surgery (OR:1.1; CI 1.1-1.2; p < 0.002), and patients age 30 and older (OR: 1.0; CI 1.0-1.0; p < 0.001). CONCLUSIONS This study found that anterior cruciate ligament graft failure is the strongest predictor of post-operative meniscus tears. Other risk factors, including tobacco use, increased CCI, male gender, obesity, delayed surgery, and age 30 and older, were established, with several being modifiable. Therefore, targeted preoperative optimization of modifiable risk factors and postoperative protocols may reduce the risk of secondary meniscus tears. LEVEL OF EVIDENCE Level III, prognostic trial.
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Affiliation(s)
- David Sproul
- The George Washington University School of Medicine and Health Sciences, 2300 I (Eye) St NW, Washington, DC, 20052, USA.
| | - Amil Agarwal
- The George Washington University School of Medicine and Health Sciences, 2300 I (Eye) St NW, Washington, DC, 20052, USA
| | - Alisa Malyavko
- The George Washington University School of Medicine and Health Sciences, 2300 I (Eye) St NW, Washington, DC, 20052, USA
| | - Abhay Mathur
- The George Washington University School of Medicine and Health Sciences, 2300 I (Eye) St NW, Washington, DC, 20052, USA
| | - R Timothy Kreulen
- Adult Reconstruction Division, Department of Orthopaedic Surgery, Johns Hopkins University, 10700 Charter Drive, Suite 205, Columbia, MD, 21044, USA
| | - Savyasachi C Thakkar
- Adult Reconstruction Division, Department of Orthopaedic Surgery, Johns Hopkins University, 10700 Charter Drive, Suite 205, Columbia, MD, 21044, USA
| | - Matthew J Best
- Adult Reconstruction Division, Department of Orthopaedic Surgery, Johns Hopkins University, 10700 Charter Drive, Suite 205, Columbia, MD, 21044, USA
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Pechlivanidou E, Antonopoulos I, Margariti RE. Gender equality challenges in orthopaedic surgery: a systematic review. INTERNATIONAL ORTHOPAEDICS 2023; 47:2143-2171. [PMID: 37433883 DOI: 10.1007/s00264-023-05876-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 06/20/2023] [Indexed: 07/13/2023]
Abstract
PURPOSE Several studies have examined gender-equality challenges and ways to improve women's representation and management. Orthopaedic surgeons and patients are less gender equitable than them of other surgical disciplines. This systematic review summarizes these findings and highlights orthopaedic surgery gender inequality. METHODS Search of the PubMed, Embase, and Cochrane databases was carried out to extract human studies investigating the gender gap in orthopaedics, trying to highlight the equality challenges orthopaedic surgery faces. Studies incorporating patients with comorbidities in which gender is a proven risk factor, and pregnant women were excluded. RESULTS This systematic review included 59 studies involving 692,435 people (mean females/males ratio: 4.44), spanning the years 1987-2023. Regarding the targeted population, 35 (59.32%) studies focused on patients, while 24 (40.68%) on physicians. Orthopaedic surgery is described as an unfriendly career field for women as surgeons or sports leading physicians while women are generally under represented in the academic field of orthopaedics. Regarding patients, female gender consists both a risk and prognostic factor influencing the prevalence of degenerative disease and the outcome of the operative treatment in reconstructive orthopaedics. Female gender is a risk factor for multiple sports injuries and influences the pathogenetic mechanisms resulting in ACL reconstruction. Regarding spine surgery, women are less likely to have surgery suggested, and such suggestion underlines severe disease's progression. CONCLUSIONS Gender differences affect orthopaedic patient-physician-healthcare system interactions. Recognizing biases and their patterns is useful to improve the actual situation. By preventing those an unbiased, tolerant, and egalitarian workplace for physicians and a healthcare system that provides the best treatment to patients could be created.
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Affiliation(s)
- Evmorfia Pechlivanidou
- 1st Department of Orthopaedics, P. & A. Kyriakou Children's Hospital, Athens, Greece.
- Department of Hygiene, Epidemiology and Medical Statistics, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
| | - Ioannis Antonopoulos
- Department of Anatomy, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Rodanthi E Margariti
- 1st Department of Orthopaedics, P. & A. Kyriakou Children's Hospital, Athens, Greece
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Labarre C, Kim SH, Pujol N. Incidence and type of meniscal tears in multilligament injured knees. Knee Surg Sports Traumatol Arthrosc 2023; 31:465-474. [PMID: 35854134 DOI: 10.1007/s00167-022-07064-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 07/01/2022] [Indexed: 02/07/2023]
Abstract
PURPOSE Meniscal injuries occurring during multi-ligament knee injuries (MLKI) are underreported. The purpose of this study was to compare the incidence and type of meniscal tears seen at the time of multi-ligament reconstruction surgery compared to those occurring during isolated anterior cruciate ligament (ACL) surgery. METHODS Patients undergoing surgical treatment for MLKI and ACL-only injuries between 2010 and 2020 were reviewed. Two-hundred and thirty-five patients were included in the MLKI group. There were 131 chronic injuries and 104 acute injuries. Two-hundred and twenty-two ACL-only chronic injuries were used as a control group for comparison with the chronic MLKI group. Demographic data, type of meniscal tears, ligament injury patterns (Schenck classification) and time from injury to surgery were recorded. A delayed procedure was defined by a 4-week interval after the knee injury. RESULTS A meniscus was torn in 69 knees (29.4%): 36 knees (15.3%) with an isolated medial meniscus tear, 33 knees (17.9%) with an isolated lateral meniscus tear,.Nine knees (3.8%) had both menisci torn. MLKI with medial or lateral-sided bicruciate ligament injuries (KDIIIM-KDIIIL) were significantly associated with a lower rate of meniscal tears than knee injuries involving the ACL-only and medial/lateral-sided ligament injuries (KDI) (medial-sided injuries p = 0.025; lateral-sided injuries p = 0.049). Lateral-sided injuries had significantly less meniscal damage than medial-sided injuries: 22/124 (17.7%) vs. 41/100 (41%); (p < 0.001). No significant differences were found for frequency, type and distribution of meniscal tears between acute and chronic MLKI surgery. ACL-only chronic injuries were associated with a higher rate of meniscal tears: 123/222 knees (55.4%) vs. 35/131 (26.9%) chronic MLKI; (p < 0.001), mainly involving the medial meniscus: 102/222 (46%) vs. 18/131 (13.7%); (p < 0.001). CONCLUSIONS Meniscal tears were less common in the MLKI group than in the isolated ACL injury group. The degree of ligament injury patterns and the side of the injured collateral ligament influenced the type and incidence of meniscal damage. Contrary to isolated ACL injuries, a delayed procedure was not associated with a higher rate of meniscal lesions but did influence the type of treatment. Understanding of meniscal tears patterns in MLKI helps to improve the treatment management of these complex injuries.
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Affiliation(s)
- Chloé Labarre
- Department of Orthopedic and Trauma Surgery, Centre Hospitalier de Versailles ,André Mignot Hospital, Île-de-France Ouest University, 177 Rue de Versailles, 78150, Le Chesnay, France
| | - Seong Hwan Kim
- Department of Orthopedic Surgery, Hyundae General Hospital, Chung-Ang University College of Medicine, Jinjeop-eup, Namyangju-si, Gyunggi-do, Republic of Korea
| | - Nicolas Pujol
- Department of Orthopedic and Trauma Surgery, Centre Hospitalier de Versailles ,André Mignot Hospital, Île-de-France Ouest University, 177 Rue de Versailles, 78150, Le Chesnay, France.
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Zou L, Yang Y, Wang Y. A Meta-Analysis of Systemic Evaluation of Knee Ligament Injury or Intervention of Knee Proprioceptive Function Recovery. JOURNAL OF HEALTHCARE ENGINEERING 2022; 2022:9129284. [PMID: 35222897 PMCID: PMC8872686 DOI: 10.1155/2022/9129284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/26/2021] [Accepted: 12/17/2021] [Indexed: 11/17/2022]
Abstract
OBJECTIVE The knee ligaments, as a passive knee joint stability device, provide protection for the knee joint and ensure its functional integrity. This role has long been known and recognized by people. The original purpose of knee ligament reconstruction after knee ligament injury is to restore its anatomical structure and mechanical stability mechanism. METHODS Taking athletes as the research object, randomized controlled trials (RCTs) on improving ankle joint function of athletes related to proprioception training at home and abroad were included. The search time was from the establishment of the database to December 31, 2019, and the references of related documents were traced. Two researchers independently screened the literature, extracted data, and evaluated the quality of the literature. RevMan 5.3 software was used for data analysis. RESULTS The extensor strength, flexor strength, and flexor strength/extensor strength of the affected limb were higher than before the operation one year after surgery (P < 0.01). The Lysholm score, Lysholm instability score, and one-foot jump distance were all higher than those before surgery (P < 0.05); the difference of KT-2000 for both knees was smaller than that before surgery (P < 0.05). CONCLUSION In maintaining the anterior stability of the knee joint, the knee ligament provides 85% static resistance to prevent the tibia from moving forward, so knee ligament injury will cause knee instability. The proprioceptive feedback mechanism plays an important role in maintaining the functional stability of joints.
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Affiliation(s)
- Longqiang Zou
- Department of Sports Medical, Ganzhou People's Hospital and the Affiliated Ganzhou Hospital of Nanchang University, Ganzhou 341000, Jiangxi, China
| | - Yibin Yang
- Department of Sports Medical, Ganzhou People's Hospital and the Affiliated Ganzhou Hospital of Nanchang University, Ganzhou 341000, Jiangxi, China
| | - Yihai Wang
- Department of Sports Medical, Ganzhou People's Hospital and the Affiliated Ganzhou Hospital of Nanchang University, Ganzhou 341000, Jiangxi, China
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Abstract
Meniscus surgery is one of the most commonly performed orthopedic procedures worldwide. Modifiable risk factors for meniscus injury include body mass index, participation in athletics and occupation. Nonmodifiable risk factors include age, sex, lower extremity alignment, discoid meniscus, ligamentous laxity, and biconcave tibial plateau. Conditions commonly associated with meniscal injury are osteoarthritis, anterior cruciate ligament injury, and tibial plateau fractures. Tear type and location vary by patient age and functional status. Surgical management of meniscus injury is typically cost-effective in terms of quality-adjusted life years. The purpose of this review is to provide an overview of meniscal injury epidemiology by summarizing tear types and locations, associated conditions, and factors that increase the risk for meniscal injury. The economic burden of meniscus injury and strategies to prevent injury to the meniscus are also reviewed.
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Affiliation(s)
- Bryan G Adams
- Department of Orthopedic Surgery, Madigan Army Medical Center, Tacoma, WA
| | - Megan N Houston
- Department of Orthopedic Surgery, John A. Feagin Jr Sports Medicine Fellowship, Keller Army Hospital, West Point, NY
| | - Kenneth L Cameron
- Department of Orthopedic Surgery, John A. Feagin Jr Sports Medicine Fellowship, Keller Army Hospital, West Point, NY
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Kim SH, Park YB, Kim BS, Lee DH, Pujol N. Incidence of Associated Lesions of Multiligament Knee Injuries: A Systematic Review and Meta-analysis. Orthop J Sports Med 2021; 9:23259671211010409. [PMID: 34368374 PMCID: PMC8312178 DOI: 10.1177/23259671211010409] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Accepted: 01/05/2021] [Indexed: 11/17/2022] Open
Abstract
Background: The incidence of concomitant injuries, including meniscal and cartilage injuries, has not been adequately reported in previous studies on multiligament knee injury (MLKI) because their primary focal points have been the degree of ligament injury, treatment strategy, involvement of other soft tissues, and neurovascular injury. Purpose: To analyze the incidence of associated lesions in MLKIs, including medial and lateral meniscal injuries, cartilage lesions, and complications. Study Design: Systemic review; Level of evidence, 4. Methods: The PubMed, Embase, Cochrane Library, CINAHL, and Scopus databases were searched between inception and April 30, 2020. Studies were included if they reported the incidence rates of medial and/or lateral meniscal tears and cartilage injuries in cases of MLKIs. For the meta-analysis, data were extracted on clinical outcomes measured according to the number of medial and/or lateral meniscal tears, cartilage injuries, and complications. Results: A total of 45 studies were included in the MLKI analysis (3391 patients). The pooled rate of medial meniscal tears was 30.4% (95% CI, 24.1%-37.1%; P < .0001; I2 = 85.8%). The pooled rate of lateral meniscal tears was 27.5% (95% CI, 20.3%-35.3%; P < .0001; I2 = 89.6%). The pooled rate of cartilage injuries was 27.5% (95% CI, 22.1%-33.3%; P < .0001; I2 = 86.8%). The pooled rates of peroneal nerve injuries, vascular injuries, and arthrofibrosis were 19.2% (95% CI, 14.2%-24.7%; P < .001; I2 = 81.3%), 18.4% (95% CI, 13.2%-24.3%; P < .0001; I2 = 81.0%), and 11.2% (95% CI, 8.1%-14.7%; P = .0018; I2 = 54.0%), respectively. Conclusion: The pooled rates of meniscal tears and cartilage injuries concomitant with MLKIs were high, ranging from 27% to 30%, and the pooled rates of peroneal nerve injury, vascular injury, and arthrofibrosis were considerable, ranging from 11% to 19%. The influence of these associated lesions on clinical results should be evaluated in future clinical studies.
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Affiliation(s)
- Seong Hwan Kim
- Department of Orthopedic Surgery, Centre Hospitalier de Versailles, Le Chesnay, France.,Department of Orthopedic Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Republic of Korea
| | - Yong-Beom Park
- Department of Orthopedic Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Republic of Korea
| | - Boo-Seop Kim
- Department of Orthopedic Surgery, Hyundae General Hospital, Chung-Ang University College of Medicine, Namyangju-si, Republic of Korea
| | - Dong-Hoon Lee
- Department of Orthopedic Surgery, Hyundae General Hospital, Chung-Ang University College of Medicine, Namyangju-si, Republic of Korea
| | - Nicolas Pujol
- Department of Orthopedic Surgery, Centre Hospitalier de Versailles, Le Chesnay, France
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Khalifa AA, Mohamed RAE, Abo-Zeid AR, Abd-Elaal AM. Rehabilitation options for patients with an isolated meniscal tear, a narrative review. SPORTS ORTHOPAEDICS AND TRAUMATOLOGY 2020; 36:364-369. [DOI: 10.1016/j.orthtr.2020.08.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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Moreira J, Almeida M, Lunet N, Gutierres M. Ramp lesions: a systematic review of MRI diagnostic accuracy and treatment efficacy. J Exp Orthop 2020; 7:71. [PMID: 32978704 PMCID: PMC7519018 DOI: 10.1186/s40634-020-00287-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 09/09/2020] [Indexed: 01/11/2023] Open
Abstract
Purpose We conducted a systematic review of the published literature to assess the accuracy of Magnetic Resonance Imaging (MRI) in establishing the presence of ramp lesions (RLs) in Anterior Cruciate Ligament (ACL) deficient knees and the clinical efficacy of the surgical repair of RLs. Methods A comprehensive search of the MEDLINE, Web of Science and Scopus databases was performed according to PRISMA guidelines. Studies assessing MRI diagnostic accuracy for RLs or the clinical effect of RL repair in participants with ACL injuries were included. Diagnostic accuracy measures were pooled and plotted in forest plots. Preoperative and at last follow-up treatment efficacy outcome measures were extracted and plotted in forest plots, for graphical comprehension. Results Sixteen studies met the criteria and were included. The diagnostic analysis showed a pooled sensitivity, specificity, positive and negative likelihood ratios of 65.1% (95% CI, 59.73 to 70.42), 91.6% (95% CI, 89.14 to 94.05), 2.91 (95% CI, 2.38–3.55) and 0.53 (95% CI, 0.44–0.64), respectively, with high heterogeneity (I2 above 80%) for all measures. Treatment analysis showed improved Lysholm Knee Score, IKDC score and laxity difference between the knees in all studies after meniscal suture repair. A separate analysis showed no differences between repair of smaller, stable, RLs with meniscal sutures and repair with abrasion and trephination only. Conclusion Although the results present considerable heterogeneity, MRI seems to demonstrate moderate accuracy in the diagnosis of RLs in patients with ACL tear and the surgical repair of RLs can be associated with improved overall outcomes.
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Affiliation(s)
- José Moreira
- Faculty of Medicine, University of Porto, Alameda Hernâni Monteiro, 4200-319, Porto, Portugal.
| | - Margarida Almeida
- Faculty of Medicine, University of Porto, Alameda Hernâni Monteiro, 4200-319, Porto, Portugal
| | - Nuno Lunet
- EPIUnit-Instituto de Saúde Pública, University of Porto, Porto, Portugal.,Departamento de Ciências da Saúde Pública e Forenses e Educação Médica, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Manuel Gutierres
- Faculty of Medicine, University of Porto, Alameda Hernâni Monteiro, 4200-319, Porto, Portugal.,Serviço de Ortopedia e Traumatologia, Centro Hospitalar de S. João, Porto, Portugal
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Bumberger A, Koller U, Hofbauer M, Tiefenboeck TM, Hajdu S, Windhager R, Waldstein W. Ramp lesions are frequently missed in ACL-deficient knees and should be repaired in case of instability. Knee Surg Sports Traumatol Arthrosc 2020; 28:840-854. [PMID: 31076825 PMCID: PMC7035224 DOI: 10.1007/s00167-019-05521-3] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 04/24/2019] [Indexed: 01/11/2023]
Abstract
PURPOSE The aim of the current study was (1) to provide an overview of common definitions and classification systems of ramp lesions (RL) and (2) to systematically review the available literature with regard to the diagnosis and treatment of RLs in anterior cruciate ligament (ACL)-deficient knees. METHODS Following the PRISMA guidelines, MEDLINE and Scopus were searched for articles (1) reporting on acute or chronic ACL injuries, (2) with concomitant medial meniscus injury, (3) located at the posterior meniscocapsular attachment site (and red-red zone). Ex vivo studies, reviews and technical notes were excluded. RESULTS Twenty-seven studies were included based on the criteria mentioned above. RLs are common in ACL-deficient knees with a prevalence ranging from 9 to 24%. RLs should especially be suspected in younger patients, patients with an increased meniscal slope and in patients with prolonged time from injury to surgery. The sensitivity of MRI for the detection of RLs ranges from 48 to 86% at a specificity of 79-99%. For arthroscopy, RLs are easily missed through standard anterior portals (sensitivity 0-38%). RL repair leads to a significant improvement of subjective knee scores, regardless of the specific fixation technique. For stable RLs, the literature suggests equivalent postoperative stability for trephination and abrasion compared to surgical RL repair. CONCLUSION Ramp lesions are frequently missed in ACL-deficient knees on standard arthroscopy with anterior portals only. If a RL is suspected, exploration via an additional posteromedial portal is indicated. In case of instability, RL repair should be performed. LEVEL OF EVIDENCE IV.
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Affiliation(s)
- Alexander Bumberger
- Department of Orthopaedics and Trauma Surgery, Vienna General Hospital, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - Ulrich Koller
- Department of Orthopaedics and Trauma Surgery, Vienna General Hospital, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - Marcus Hofbauer
- Department of Orthopaedics and Trauma Surgery, Vienna General Hospital, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - Thomas Manfred Tiefenboeck
- Department of Orthopaedics and Trauma Surgery, Vienna General Hospital, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - Stefan Hajdu
- Department of Orthopaedics and Trauma Surgery, Vienna General Hospital, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - Reinhard Windhager
- Department of Orthopaedics and Trauma Surgery, Vienna General Hospital, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - Wenzel Waldstein
- Department of Orthopaedics and Trauma Surgery, Vienna General Hospital, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria.
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Capin JJ, Khandha A, Buchanan TS, Snyder-Mackler L. Partial medial meniscectomy leads to altered walking mechanics two years after anterior cruciate ligament reconstruction: Meniscal repair does not. Gait Posture 2019; 74:87-93. [PMID: 31491565 PMCID: PMC6790293 DOI: 10.1016/j.gaitpost.2019.08.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 07/29/2019] [Accepted: 08/25/2019] [Indexed: 02/02/2023]
Abstract
BACKGROUND Partial meniscectomy dramatically increases the risk for post-traumatic, tibiofemoral osteoarthritis after anterior cruciate ligament reconstruction (ACLR). Concomitant medial meniscus surgery influences walking biomechanics (e.g., medial tibiofemoral joint loading) early after ACLR; whether medial meniscus surgery continues to influence walking biomechanics two years after ACLR is unknown. RESEARCH QUESTION Does medial meniscus treatment at the time of ACLR influence walking biomechanics two years after surgery? METHODS This is a secondary analysis of prospectively collected data from a clinical trial (NCT01773317). Fifty-six athletes (age 24 ± 8 years) with operative reports, two-year biomechanical analyses, and no second injury prior to two-year testing participated after primary ACLR. Participants were classified by concomitant medial meniscal status: no medial meniscus involvement (n = 36), partial medial meniscectomy (n = 9), and medial meniscus repair (n = 11). Participants underwent biomechanical analyses during over-ground walking including surface electromyography; a validated musculoskeletal model estimated medial compartment tibiofemoral contact forces. Gait variables were analyzed using 3 × 2 ANOVAs with group (medial meniscus treatment) and limb (involved versus uninvolved) comparisons. RESULTS There was a main effect of group (p = .039) for peak knee flexion angle (PKFA). Participants after partial medial meniscectomy walked with clinically meaningfully smaller PKFAs in both the involved and uninvolved limbs compared to the no medial meniscus involvement group (group mean difference [95%CI]; involved: -4.9°[-8.7°, -1.0°], p = .015; uninvolved: -3.9°[-7.6°, -0.3°], p = .035) and medial meniscus repair group (involved: -5.2°[-9.9°, -0.6°], p = .029; uninvolved: -4.7°[-9.0°, -0.3°], p = .038). The partial medial meniscectomy group walked with higher involved versus uninvolved limb medial tibiofemoral contact forces (0.45 body weights, 95% CI: -0.01, 0.91 BW, p = 0.053) and truncated sagittal plane knee excursions, which were not present in the other two groups. SIGNIFICANCE Aberrant gait biomechanics may concentrate high forces in the antero-medial tibiofemoral cartilage among patients two years after ACLR plus partial medial meniscectomy, perhaps explaining the higher osteoarthritis rates and offering an opportunity for targeted interventions. LEVEL OF EVIDENCE Level III.
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Sinicina I, Pankratz H. Kniegelenkverletzung: überraschende Wende bei Begutachtung vor Strafgericht. Rechtsmedizin (Berl) 2018. [DOI: 10.1007/s00194-018-0282-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Capin JJ, Khandha A, Zarzycki R, Manal K, Buchanan TS, Snyder-Mackler L. Gait Mechanics After ACL Reconstruction Differ According to Medial Meniscal Treatment. J Bone Joint Surg Am 2018; 100:1209-1216. [PMID: 30020126 PMCID: PMC6636792 DOI: 10.2106/jbjs.17.01014] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Knee osteoarthritis risk is high after anterior cruciate ligament reconstruction (ACLR) and arthroscopic meniscal surgery, and higher among individuals who undergo both. Although osteoarthritis development is multifactorial, altered walking mechanics may influence osteoarthritis progression. The purpose of this study was to compare gait mechanics after ACLR among participants who had undergone no medial meniscal surgery, partial medial meniscectomy, or medial meniscal repair. METHODS This was a secondary analysis of data collected prospectively as part of a clinical trial. Sixty-one athletes (mean age of 21.4 ± 8.2 years) who had undergone primary ACLR participated in the study when they achieved impairment resolution (5.3 ± 1.7 months postoperatively), including minimal to no effusion, full knee range of motion, and ≥80% quadriceps-strength symmetry. Participants were classified by concomitant medial meniscal treatment: no involvement or nonsurgical management of a small, stable tear; partial meniscectomy; or meniscal repair. Participants underwent comprehensive walking analyses. Joint contact forces were estimated using a previously validated, electromyography-driven musculoskeletal model. Variables were analyzed using a mixed-model analysis of variance with group and limb comparisons (α = 0.05); group comparisons of interlimb differences in measurements (surgical minus contralateral limb) were performed to determine significant interactions. RESULTS The participants in the partial meniscectomy group walked with a higher peak knee adduction moment (pKAM) in the surgical versus the contralateral limb as compared with those in the meniscal repair group and those with no medial meniscal surgery (group difference for partial versus repair: 0.10 N-m/kg-m, p = 0.020; and for partial versus none: 0.06 N-m/kg-m, p = 0.037). Participants in the repair group walked with a smaller percentage of medial to total tibiofemoral loading in the surgical limb compared with both of the other groups (group difference for repair versus partial: -12%, p = 0.001; and for repair versus none: -7%, p = 0.011). The participants in the repair group loaded the medial compartment of the surgical versus the contralateral limb 0.5 times body weight less than did the participants in the partial meniscectomy group. CONCLUSIONS Participants in the partial meniscectomy group walked with higher pKAM and shifted loading toward the medial compartment of the surgical limb, while participants in the repair group did the opposite, walking with lower pKAM and unloading the surgical limb relative to the contralateral limb. These findings may partially explain the conflicting evidence regarding pKAM after ACLR and the elevated risk for osteoarthritis (whether from overloading or underloading) after ACLR with concomitant medial meniscectomy or repair. LEVEL OF EVIDENCE Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Jacob J. Capin
- University of Delaware, Newark, Delaware,E-mail address for J.J. Capin:
| | | | | | - Kurt Manal
- University of Delaware, Newark, Delaware
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