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Zsidai B, Kaarre J, Narup E, Samuelsson K. Timing of Anterior Cruciate Ligament Surgery. Clin Sports Med 2024; 43:331-341. [PMID: 38811113 DOI: 10.1016/j.csm.2023.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]
Abstract
This narrative review examines the current literature for the influence of the surgical timing in the setting of anterior cruciate ligament (ACL) reconstruction on various outcomes. Although the exact definition of early and delayed ACL reconstruction (ACLR) is a subject of controversy, surgical timing influences arthrofibrosis and postoperative stiffness, quadriceps strength, postoperative knee function, and the incidence of intra-articular injuries to the menisci and cartilage. Additionally, there is a shortage of evidence regarding the role of ACLR timing in the setting of multiligament knee injury and when concurrent procedures are performed during the operative treatment of the ACL-injured knee.
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Affiliation(s)
- Bálint Zsidai
- Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
| | - Janina Kaarre
- Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; Department of Orthopaedic Surgery, UPMC Freddie Fu Sports Medicine Center, University of Pittsburgh, 3200 South Water Street, Pittsburgh, PA, USA
| | - Eric Narup
- Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Kristian Samuelsson
- Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; Department of Orthopaedics, Sahlgrenska University Hospital, Göteborgsvägen 31, 431 30 Mölndal, Sweden
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Kanto R, Yamaguchi M, Yoshiya S, Matsumoto A, Sasaki K, Nakayama H, Tachibana T. High prevalence of associated intra-articular injuries with increasing time period from anterior cruciate ligament injury to reconstruction, even in apparent copers. Knee 2023; 44:110-117. [PMID: 37595416 DOI: 10.1016/j.knee.2023.08.001] [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: 09/01/2022] [Revised: 03/22/2023] [Accepted: 08/02/2023] [Indexed: 08/20/2023]
Abstract
BACKGROUND It still unclear whether copers may bear the same time-sensitive risk of intra-articular injury as non-copers. The objectives were to investigate the clinical characteristics of copers and non-copers that have sustained an anterior cruciate ligament (ACL) injury, and to examine and compare the intra-articular pathologies in delayed ACL reconstruction (ACLR) in copers and noncopers. METHODS Patients who sustained ACL injury while participating in high-performance sports and opted for non-operative treatment were enrolled in this study. Depending on the occurrence of the knee giving way, patients were classified into copers and noncopers. Clinical characteristics were compared between the two groups. Additionally, intra-articular injuries were evaluated for those who eventually underwent delayed ACLR. RESULTS 11 of the 75 patients (14.7%) were classified as copers. No major differences were found in the clinical characteristics between groups. Following the initial non-operative treatment, 67 patients underwent delayed ACLR. When examining intra-articular abrasions at the time of surgery, non-copers who continued sports activities for 3 to 12 months exhibited a significantly higher rate of injury as opposed to their coper counterparts. However, the difference in the prevalence of intra-articular lesions between the two groups in patients who continued to play sports for at least 12 months before surgery was nominal. CONCLUSION The rate of copers was relatively low in patients who resumed playing high-level sports after ACL injury. Additionally, even in copers, those who continued sports activities for more than 12 months had comparably high prevalence of intra-articular injuries with noncopers. STUDY DESIGN Retrospective case-control study; Level of evidence, 3.
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Affiliation(s)
- Ryo Kanto
- Department of Orthopaedic Surgery, Meiwa Hospital, Nishinomiya, Hyogo, Japan; Department of Orthopaedic Surgery, Hyogo Medical University, Nishinomiya, Hyogo, Japan.
| | - Motoi Yamaguchi
- Department of Orthopaedic Surgery, Meiwa Hospital, Nishinomiya, Hyogo, Japan
| | - Shinichi Yoshiya
- Department of Orthopaedic Surgery, Nishinomiya Kaisei Hospital, Nishinomiya, Hyogo, Japan
| | - Akio Matsumoto
- Department of Orthopaedic Surgery, Meiwa Hospital, Nishinomiya, Hyogo, Japan
| | - Ken Sasaki
- Department of Orthopaedic Surgery, Anshin Hospital, Kobe, Hyogo, Japan
| | - Hiroshi Nakayama
- Department of Orthopaedic Surgery, Hyogo Medical University, Nishinomiya, Hyogo, Japan
| | - Toshiya Tachibana
- Department of Orthopaedic Surgery, Hyogo Medical University, Nishinomiya, Hyogo, Japan
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Erard J, Cance N, Shatrov J, Fournier G, Gunst S, Ciolli G, Porcelli P, Lustig S, Servien E. Delaying ACL reconstruction is associated with increased rates of medial meniscal tear. Knee Surg Sports Traumatol Arthrosc 2023; 31:4458-4466. [PMID: 37486367 DOI: 10.1007/s00167-023-07516-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 07/14/2023] [Indexed: 07/25/2023]
Abstract
PURPOSE The aim of this study was to evaluate the relationship between the time from injury to ACL reconstruction (ACLR) and the rate as well as repairability of meniscal tears. Secondary aims were to evaluate the relationship between meniscal injury and Tegner Activity Scale, age, BMI, and gender. METHODS Between 2012 and 2022, 1,840 consecutive ACLRs were performed. A total of 1,317 ACLRs were included with a mean patient age of 31.2 years ± 10.5 [16-60]. Meniscal tear was assessed during arthroscopy using the ISAKOS classification. Time from injury to ACLR, Tegner Activity Scale, age, BMI and gender were analysed in uni- and then in multivariate analyses. Patients were divided into four groups according to the time from injury to surgery: < 3 months (427; 32%), 3-6 months (388; 29%), 6-12 months (248; 19%) and > 12 months (254; 19%). RESULTS Delaying ACLR > 12 months significantly increased the rate of medial meniscal (MM) injury (OR 1.14; p < 0.001). No correlation was found between a 3- or 6-month time from injury to surgery and MM tear. Performing ACLR > 3, 6, or 12 months after injury did not significantly increase the rate of lateral meniscal (LM) injury. Increasing Tegner activity scale was significantly associated with a lower rate of MM injury (OR 0.90; p = 0.020). An age > 30 years (OR 1.07; p = 0.025) and male gender (OR 1.13; p < 0.0001) was also associated with an increased rate of MM injury. Age > 30 years decreased the rate of MM repair (OR 0.85; p < 0.001). Male gender increased the rate of LM tear (OR 1.10; p = 0.001). CONCLUSION Performing ACLR more than 12 months after injury was associated with increased rates of MM injury but not with lower rates of repairable lesions. An increased pre-injury Tegner activity score was associated with a decreased rate of MM tear. Age > 30 years was associated with an increased rate of MM tear with concomitant ACL injury and a decreased rate of repairability of MM tear. ACLR should be performed within 12 months from injury to prevent from the risk of MM injury. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
- Julien Erard
- Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, 103 Grande Rue de La Croix Rousse, 69004, Lyon, France.
| | - Nicolas Cance
- Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, 103 Grande Rue de La Croix Rousse, 69004, Lyon, France
| | - Jobe Shatrov
- Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, 103 Grande Rue de La Croix Rousse, 69004, Lyon, France
- Sydney Orthopaedic Research Institute, University of Notre Dame Australia, Hornsby and Ku-Ring Hospital, Sydney, Australia
| | - Gaspard Fournier
- Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, 103 Grande Rue de La Croix Rousse, 69004, Lyon, France
| | - Stanislas Gunst
- Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, 103 Grande Rue de La Croix Rousse, 69004, Lyon, France
| | - Gianluca Ciolli
- Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, 103 Grande Rue de La Croix Rousse, 69004, Lyon, France
- Department of Orthopaedics, A. Gemelli University Hospital Foundation IRCCS, Catholic University, Via Della Pineta Sacchetti, 217, 00168, Rome, Italy
| | - Pasquale Porcelli
- Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, 103 Grande Rue de La Croix Rousse, 69004, Lyon, France
- Orthopaedic and Traumatology Department, Centro Traumatologico Ortopedico, Via Gianfranco Zuretti, 29, 10126, Turin, TO, Italy
| | - Sébastien Lustig
- Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, 103 Grande Rue de La Croix Rousse, 69004, Lyon, France
- IFSTTAR, Univ Lyon, Claude Bernard Lyon 1 University, LBMC UMR_T9406, F69622, Lyon, France
| | - Elvire Servien
- Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, 103 Grande Rue de La Croix Rousse, 69004, Lyon, France
- LIBM-EA 7424, Interuniversity Laboratory of Human Movement Science, Université Lyon 1, Lyon, France
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Reist H, Vacek PM, Endres N, Tourville TW, Failla M, Geeslin A, Geeslin M, Borah A, Krug M, Choquette R, Toth M, Beynnon BD. Risk Factors for Concomitant Meniscal Injury With Sport-Related Anterior Cruciate Ligament Injury. Orthop J Sports Med 2023; 11:23259671231196492. [PMID: 37693810 PMCID: PMC10492489 DOI: 10.1177/23259671231196492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 06/07/2023] [Indexed: 09/12/2023] Open
Abstract
Background Previous studies of concomitant meniscal injury in athletes with anterior cruciate ligament (ACL) injury have examined age, sex, body mass index (BMI), injury mechanism, and time from injury to surgery as potential risk factors. Purpose To identify additional risk factors for concomitant meniscal injury, including preinjury joint laxity and lower extremity alignment, in athletes with sport-related ACL injury. Study Design Cross-sectional study; Level of evidence, 3. Methods This study included 180 participants aged 13 to 26 years who underwent ACL reconstruction (ACLR) after a first-time ACL injury sustained during participation in sport. Contralateral lower extremity alignment and joint laxity were used as surrogate measures for the injured knee before trauma. Concomitant meniscal tear patterns were identified at the time of ACLR. Sex-specific analyses were conducted. Results Concomitant meniscal injury was observed in 60.6% of the subjects. The prevalence of concomitant injury was higher in male than female participants (69.9% vs 54.2%; P = .035) due to a higher prevalence of lateral meniscal injuries (56.2% vs 38.3%; P = .018). Among male patients, there was a significant difference in the prevalence of concomitant lateral meniscal tear according to sport participation (≥9 vs <9 h/week: 67.4% vs 35.7%; P = .032). Among male patients, the likelihood of concomitant injury to both the lateral and medial menisci increased by 28.8% for each 1-mm decrease in navicular drop. Among female patients, the likelihood of concomitant injury to the lateral meniscus increased by 15% per degree increase in genu recurvatum and 14% per degree decrease in standing quadriceps angle, with similar effects on the likelihood of concurrent injury to both the lateral and medial menisci. Conclusion Measures of lower extremity alignment and genu recurvatum previously identified as risk factors for ACL injury were also associated with concomitant meniscal injury in female patients while other risk factors, including BMI and joint laxity, were not. Increased time spent participating in sport and navicular drop were associated with concomitant meniscal injury in male patients.
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Affiliation(s)
- Hailee Reist
- Department of Orthopedics and Rehabilitation, Robert Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Pamela M. Vacek
- Department of Medical Biostatistics, Robert Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Nathan Endres
- Department of Orthopedics and Rehabilitation, Robert Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Timothy W. Tourville
- Department of Rehabilitation and Movement Science, College of Nursing and Health Sciences, University of Vermont, Burlington, Vermont, USA
| | - Mathew Failla
- Department of Rehabilitation and Movement Science, College of Nursing and Health Sciences, University of Vermont, Burlington, Vermont, USA
| | - Andrew Geeslin
- Department of Orthopedics and Rehabilitation, Robert Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Matthew Geeslin
- Department of Radiology, Robert Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Andy Borah
- Department of Orthopedics and Rehabilitation, Robert Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Mickey Krug
- Department of Orthopedics and Rehabilitation, Robert Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Rebecca Choquette
- Department of Orthopedics and Rehabilitation, Robert Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Mike Toth
- Department of Orthopedics and Rehabilitation, Robert Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
- Department of Medicine, Robert Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Bruce D. Beynnon
- Department of Orthopedics and Rehabilitation, Robert Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
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Lv H, Li W, Wang Y, Chen W, Yan X, Yuwen P, Hou Z, Wang J, Zhang Y. Prediction model for tibial plateau fracture combined with meniscus injury. Front Surg 2023; 10:1095961. [PMID: 37396296 PMCID: PMC10312001 DOI: 10.3389/fsurg.2023.1095961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 06/05/2023] [Indexed: 07/04/2023] Open
Abstract
Purpose To investigate a prediction model of meniscus injury in patients with tibial plateau fracture. Methods This retrospective study enrolled patients with tibial plateau fractures who were treated in the Third Hospital of Hebei Medical University from January 1, 2015, to June 30, 2022. Patients were divided into a development cohort and a validation cohort based on the time-lapse validation method. Patients in each cohort were divided into a group with meniscus injury and a group without meniscus injury. Statistical analysis with Student's t-test for continuous variables and chi square test for categorical variables was performed for patients with and without meniscus injury in the development cohort. Multivariate logistic regression analysis was used to screen the risk factors of tibial plateau combined with meniscal injury, and a clinical prediction model was constructed. Model performance was measured by examining discrimination (Harrell's C-index), calibration (calibration plots), and utility [decision analysis curves (DCA)]. The model was validated internally using bootstrapping and externally by calculating their performance in a validation cohort. Results Five hundred patients (313 [62.6%] males, 187 [37.4%] females) with a mean age of 47.7 ± 13.8 years were eligible and were divided into development (n = 262) and validation (n = 238) cohorts. A total of 284 patients had meniscus injury, including 136 in the development cohort and 148 in the validation cohort We identified high-energy injuries as a risk factor (OR = 1.969, 95%CI 1.131-3.427). Compared with blood type A, patients with blood type B were more likely to experience tibial plateau fracture with meniscus injury (OR = 2.967, 95%CI 1.531-5.748), and office work was a protective factor (OR = 0.279, 95%CI 0.126-0.618). The C-index of the overall survival model was 0.687 (95% CI, 0.623-0.751). Similar C-indices were obtained for external validation [0.700(0.631-0.768)] and internal validation [0.639 (0.638-0.643)]. The model was adequately calibrated and its predictions correlated with the observed outcomes. The DCA curve showed that the model had the best clinical validity when the threshold probability was 0.40 and 0.82. Conclusions Patients with blood type B and high-energy injuries are more likely to have meniscal injury. This may help in clinical trial design and individual clinical decision-making.
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Affiliation(s)
| | | | | | | | | | | | | | - Juan Wang
- Department of Orthopedic Surgery, The Third Hospital of Hebei Medical University, ShijiazhuangChina
| | - Yingze Zhang
- Department of Orthopedic Surgery, The Third Hospital of Hebei Medical University, ShijiazhuangChina
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Vermeijden HD, Yang XA, Rademakers MV, Kerkhoffs GMMJ, van der List JP, DiFelice GS. Early and Delayed Surgery for Isolated ACL and Multiligamentous Knee Injuries Have Equivalent Results: A Systematic Review and Meta-analysis. Am J Sports Med 2023; 51:1106-1116. [PMID: 35099334 DOI: 10.1177/03635465211069356] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Early surgery for acute ligamentous injuries has recently shown good clinical and functional outcomes. PURPOSE To assess the advantages of early vs delayed surgery in patients undergoing isolated anterior cruciate ligament (ACL) or multiligament-injured knee (MLIK) surgery. STUDY DESIGN Meta-analyses of Level 1, 2, and 3 studies; Level of evidence, 4. METHODS A systematic search was performed via PubMed, EMBASE, and Cochrane for studies reporting outcomes of timing of surgery after isolated ACL injury or in the MLIK setting using accelerated rehabilitation protocols. Two analyses were conducted to differentiate early and delayed treatment (3- and 6-week cutoffs). Collected outcomes included meniscal or chondral lesions, failure and reoperation rates, range of motion (ROM) deficits, other complications, muscle strength, instrumented laxity, and functional outcomes. Outcomes were reported in risk ratios (RR) or mean differences with 95% CIs. RESULTS For timing of isolated ACL surgery, 16 studies were included with 2093 patients. High-grade evidence indicated that there were no differences in meniscal or chondral lesions, failure and reoperation rates, stiffness, ROM deficits, complications, muscle strength, instrumented laxity, and functional outcomes between patients treated early and late (all P > .05). When including only studies that set no preoperative criteria for early surgery, the findings were similar. Regarding MLIK surgery, 14 studies were included with 1172 patients. Low evidence was noted for the following: patients treated early had significantly fewer meniscal injuries (RR, 0.7; P = .04) and chondral injuries (RR, 0.5; P < .001), while no differences were found in reoperation rates, complications, stiffness, ROM deficits, muscle strength, instrumented laxity, and functional outcomes between the groups. Other than higher Lysholm scores in the early group for the 3-week analysis (mean difference, 6.8; P = .01), there were no differences between cutoff analyses. CONCLUSION This systematic review with meta-analysis found no differences in clinical and functional outcomes between early and delayed surgery for isolated ACL injuries. For MLIK injuries, there were also no differences in surgical outcomes between early and delayed surgery.
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Affiliation(s)
- Harmen D Vermeijden
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, New York, USA
- Department of Orthopaedic Surgery, Spaarne Gasthuis Hospital, Hoofddorp, the Netherlands
- Amsterdam Movement Science, Department of Orthopaedic Surgery, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Xiuyi A Yang
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, New York, USA
| | - Maarten V Rademakers
- Department of Orthopaedic Surgery, Spaarne Gasthuis Hospital, Hoofddorp, the Netherlands
| | - Gino M M J Kerkhoffs
- Amsterdam Movement Science, Department of Orthopaedic Surgery, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
- Academic Center for Evidence Based Sports Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
- Amsterdam Collaboration on Health and Safety in Sports, Amsterdam UMC, University of Amsterdam and Vrije Universiteit Amsterdam IOC Research Center, Amsterdam, the Netherlands
| | - Jelle P van der List
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, New York, USA
- Department of Orthopaedic Surgery, Spaarne Gasthuis Hospital, Hoofddorp, the Netherlands
- Amsterdam Movement Science, Department of Orthopaedic Surgery, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Gregory S DiFelice
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, New York, USA
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Prodromidis AD, Drosatou C, Mourikis A, Sutton PM, Charalambous CP. Relationship Between Timing of Anterior Cruciate Ligament Reconstruction and Chondral Injuries: A Systematic Review and Meta-analysis. Am J Sports Med 2022; 50:3719-3731. [PMID: 34523380 DOI: 10.1177/03635465211036141] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND After anterior cruciate ligament (ACL) injury, the optimal timing of ACL reconstruction and the influence of this timing on chondral damage remain unclear. PURPOSE To assess the effect of timing of ACL reconstruction on the presence of chondral injuries via a systematic review and meta-analysis. STUDY DESIGN Systematic review and meta-analysis; Level of evidence, 4. METHODS Two reviewers independently performed systematic literature searches of 5 online databases using the Cochrane methodology for systematic reviews. Eligibility criteria were any comparative study of patients aged >16 years that assessed the relationship between timing of primary ACL reconstruction surgery and rates of chondral injuries. Meta-analysis was conducted using a random-effects model. RESULTS After screening, 14 studies (n = 3559 patients) out of 2363 titles met the inclusion criteria: 3 randomized controlled trials (n = 272), 3 prospective cohort studies (n = 398), and 8 retrospective cohort studies (n = 2889). In analysis of the studies, chondral injury rates were compared between ACL reconstructions performed before and after 3 time points: 3, 6, and 12 months after injury (eg, ≤3 vs >3 months). The rates of chondral injury increased with each time point. The increase was mostly due to low-grade injuries at 3 months (estimated odds ratio, 1.914; 95% CI, 1.242-2.949; P = .003), with the increase in high-grade injuries becoming predominant after 12 months (estimated odds ratio, 3.057; 95% CI, 1.460-6.40; P = .003). CONCLUSION Our findings suggest that delaying ACL reconstruction surgery results in a higher rate of chondral injuries and the severity of these lesions worsens with time. These findings are comparable with those of our previously published study, which demonstrated a higher risk of meniscal tears associated with delayed ACL surgery. When ACL reconstruction is indicated, surgery ≤3 months after injury is associated with a lower risk of intra-articular damage. REGISTRATION CRD42016032846 (PROSPERO).
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Affiliation(s)
- Apostolos D Prodromidis
- School of Medicine, University of Central Lancashire, Preston, UK.,Trauma and Orthopaedics, Aintree University Hospitals NHS Foundation Trust, Liverpool, UK
| | - Chrysoula Drosatou
- Department of Nursing, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Paul M Sutton
- Orthopaedics, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Charalambos P Charalambous
- School of Medicine, University of Central Lancashire, Preston, UK.,Orthopaedics, Blackpool Teaching Hospitals NHS Foundation Trust, Blackpool, UK
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Mortazavi SMJ, Moharrami A, Tamhri SS, Okati A, Shamabadi A. Time from Injury Is the Key Predictor of Meniscal Injury in ACL-Deficient Knees. J Knee Surg 2022; 35:1091-1096. [PMID: 33618397 DOI: 10.1055/s-0040-1722324] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The meniscus is one of the most important structures of the knee that needs to be saved if possible. Previous studies showed that increasing time from an anterior cruciate ligament (ACL) injury (TFI) could lead to a meniscal tear, especially medial meniscus (MM). We developed the present study to see if the TFI alone is a predictor of meniscal injury in ACL-deficient knees. We included 111 patients who had a reconstructed ACL injury at our institution from March 2015 to March 2016 in this retrospective cohort study. All demographic data, including age, gender, and body mass index (BMI), were collected. We also recorded the mechanism of injury and the TFI. We extracted the meniscal condition at the time of surgery from the surgical report. All patients were followed up for a mean of 23 months, and the Lysholm score and pain visual analog scale (VAS) score were obtained. The mean TFI of patients with MM tear was 17.4 ± 16.8 months, which was significant than the patients with lateral meniscal (LM) tear (9.3 ± 8.3 months) and intact meniscus (7.4 ± 8.1 months) (p = 0.001). Patients with TFI less than 6 months had a significantly lower rate of MM tear, and increasing TFI more than 6 months could increase the rate of MM tear (p = 0.001). We could not find any association between age, BMI, and gender and meniscal injury. At the latest follow-up, Lysholm and VAS scores in patients with and without meniscal tear were the same. Our study confirms that increasing time from the ACL injury would increase the risk of MM damage. The cutoff point for this risk factor is 6 months from initial injury; therefore, to save the meniscus, it might be better to perform ACL reconstruction within 6 months in ACL-deficient knees.
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Affiliation(s)
- Seyed Mohammad Javad Mortazavi
- Department of Orthopedic Surgery, Joint Reconstruction Research Center, Tehran University of Medical Science, Tehran, Iran
| | - Alireza Moharrami
- Department of Orthopedic Surgery, Joint Reconstruction Research Center, Tehran University of Medical Science, Tehran, Iran
| | - S S Tamhri
- Department of Orthopedic Surgery, Joint Reconstruction Research Center, Tehran University of Medical Science, Tehran, Iran
| | - Ali Okati
- Department of Orthopedic Surgery, Joint Reconstruction Research Center, Tehran University of Medical Science, Tehran, Iran
| | - Ahmad Shamabadi
- Department of Orthopedic Surgery, Joint Reconstruction Research Center, Tehran University of Medical Science, Tehran, Iran
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Abstract
Meniscal lesions often occur in association with anterior cruciate ligament (ACL) tears at the moment of the injury or, secondarily, as a consequence of knee instability. Both ACL and meniscus lesions are associated with a higher risk of osteoarthritis. Adequate treatment of these lesions reduces the rate of degenerative changes in the affected knee. Meniscal tears should be addressed concomitantly with ACL reconstruction and the treatment must be oriented towards preserving the meniscal tissue anytime this is possible. Several options for approaching a meniscus tear are available. The meniscal suture should always be considered, and, if possible, meniscectomy should be the last choice. “Masterly neglect” is a valuable option in selected cases.
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Chan CX, Silas C, Ifran NN, Mok YR, Krishna L. Risk Factors for New Meniscal Tears following Anterior Cruciate Ligament Reconstruction. J Knee Surg 2022; 35:529-533. [PMID: 32898900 DOI: 10.1055/s-0040-1716361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
This study aims to compare the rate of meniscal tears after anterior cruciate ligament (ACL) reconstruction in patients who have undergone concomitant meniscal repair during the index procedure with that in patients who have not undergone such surgery. It also evaluates other risk factors, such as age, gender, race, body mass index (BMI), site of concomitant meniscal surgery, and ACL graft failure. This is a retrospective study conducted at a large tertiary public hospital. Patients who underwent primary anterior cruciate ligament reconstruction (ACLR) surgery with or without concomitant meniscal repair from 2011 to 2016 were identified. Patients with old meniscal tears and previous meniscal surgeries were excluded. The aforementioned demographical, injury, and surgical details were obtained and analyzed using univariate and multivariate logistic regression analysis. Our study cohort included 754 patients. Primary ACLR surgery was performed with meniscal repair in 172 (22.8%) of the patients, with meniscectomy in 202 (26.8%) of the patients, and without concomitant meniscal surgery in 380 (50.4%) of the patients. A total of 81 (10.7%) patients developed meniscal tears after the index procedure. Such tears occurred in 12.2% (21 of 172) of the patients who had undergone concomitant meniscal repair during the index ACLR, and in 10.3% (60 of 582) of the patients who had not undergone concomitant meniscal repair (p = 0.30). On multivariate analysis, only ACL graft failure was significantly associated with new meniscal tears (p < 0.001, odds ratio 18.69, 95% confidence interval 9.18-38.05). ACL graft failure is the only independent risk factor for meniscal tears after ACLR surgery in our large cohort of patients. Concomitant meniscal repair was not an associated risk factor.
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Affiliation(s)
- Chloe Xiaoyun Chan
- Division of Sports Medicine and Surgery, Department of Orthopaedic Surgery, National University Hospital, National University Health System Singapore, Singapore
| | - Christian Silas
- Division of Sports Medicine and Surgery, Department of Orthopaedic Surgery, National University Hospital, National University Health System Singapore, Singapore
| | - Nadia Nastassia Ifran
- Division of Sports Medicine and Surgery, Department of Orthopaedic Surgery, National University Hospital, National University Health System Singapore, Singapore
| | - Ying Ren Mok
- Division of Sports Medicine and Surgery, Department of Orthopaedic Surgery, National University Hospital, National University Health System Singapore, Singapore
| | - Lingaraj Krishna
- Division of Sports Medicine and Surgery, Department of Orthopaedic Surgery, National University Hospital, National University Health System Singapore, Singapore
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11
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Escoda Menéndez S, García González P, Meana Morís AR, del Valle Soto M, Maestro Fernández A. Meniscal Ramp Lesions: What the Radiologist Needs to Know. Acad Radiol 2022; 29:619-626. [PMID: 33663972 DOI: 10.1016/j.acra.2021.02.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 02/09/2021] [Accepted: 02/10/2021] [Indexed: 01/11/2023]
Abstract
Meniscal ramp lesions are a special type of injury that affects the periphery of the posterior horn of the medial meniscus (PHMM) and/or its meniscocapsular attachments. They are strongly associated with acute and chronic anterior cruciate ligament (ACL) tears. These lesions have gained much prominence in recent years, due to a significant increase in their diagnosis and their important biomechanical involvement in the knee. It is known that their presence in ACL-deficient knees is related to instability and if they are not repaired during ACL reconstruction, they can ultimately cause the failure of the graft. Since this type of injury is often underdiagnosed due to its localization at the "blind" point of arthroscopic vision, it is crucial to make an accurate preoperative diagnosis of them with MRI. The objective of this article is to review the recent literature regarding meniscal ramp lesions and to summarize the anatomical, biomechanical and fundamentally diagnostic aspects, emphasizing the radiological findings described until now.
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12
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Sulaiman Y, Li J, Chen G, Abudouaini H, Li Q, Tang X. The relationship between a Segond fracture and meniscus injury in patients with anterior cruciate ligament tears. Knee 2021; 33:193-199. [PMID: 34655845 DOI: 10.1016/j.knee.2021.09.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 06/26/2021] [Accepted: 09/16/2021] [Indexed: 02/08/2023]
Abstract
BACKGROUND Segond fracture may be identified when an anterior cruciate ligament (ACL) tear is diagnosed, and it has historically been considered a sign of significant knee trauma indicating intra-articular injury. There are few studies on the correlation between a Segond fracture and meniscus injury. The purpose of this study was to evaluate the relationship between a Segond fracture and meniscus injury in patients with ACL tears. METHODS A retrospective review of all patients undergoing acute ACL reconstruction (less than 1 month from the time of injury) between 2013 and 2020 was performed. The absence or presence of a Segond fracture was confirmed using preoperative radiographs. Demographic data (age, sex and body mass index), injury variables (time from injury and mechanism of injury) and arthroscopic features (meniscal or chondral injury) were analysed to investigate the relationship between a Segond fracture and meniscus injury. RESULTS A total of 427 patients were included in the study. The incidence of Segond fractures was 12.4%. Among the patients with a Segond fracture, 15 patients were injured playing soccer (28.3%), 11 patients were injured playing basketball (20.8%), eight patients sustained the injury during racquet sports (15.1%), five patients (9.4%) were injured during less popular sports (such as skiing, ice-skating and boxing), and 14 patients (26.4%) were injured by contact mode of injury. A Segond fracture was a significant risk factor for lateral meniscus tears in patients with ACL tears (adjusted odds ratio, 1.938; 95% confidence interval, 1.078-3.481; P = 0.027). CONCLUSION The incidence of Segond fractures in patients with acute ACL tears was higher than that reported in previous studies. A Segond fracture could increase the risk of a lateral meniscus tear in patients with an ACL tear.
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Affiliation(s)
- Yaxiaer Sulaiman
- Department of Orthopedic Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Jian Li
- Department of Orthopedic Surgery, West China Hospital, Sichuan University, Chengdu, China.
| | - Gang Chen
- Department of Orthopedic Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Haimiti Abudouaini
- Department of Orthopedic Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Qi Li
- Department of Orthopedic Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Xin Tang
- Department of Orthopedic Surgery, West China Hospital, Sichuan University, Chengdu, China
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13
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Sheppard WL, Hinckel BB, Arshi A, Sherman SL, Jones KJ. Accurate Reporting of Concomitant Procedures Is Highly Variable in Studies Investigating Knee Cartilage Restoration. Cartilage 2021; 12:333-343. [PMID: 30971096 PMCID: PMC8236649 DOI: 10.1177/1947603519841673] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
OBJECTIVE Successful clinical outcomes following cartilage restoration procedures are highly dependent on addressing concomitant pathology. The purpose of this study was to document methods for evaluating concomitant procedures of the knee when performed with articular cartilage restoration techniques, and to review their reported findings in high-impact clinical orthopedic studies. We hypothesized that there are substantial inconsistencies in reporting clinical outcomes associated with concomitant procedures relative to outcomes related to isolated cartilage repair. DESIGN A total of 133 clinical studies on articular cartilage repair of the knee were identified from 6 high-impact orthopedic journals between 2011 and 2017. Studies were included if they were primary research articles reporting clinical outcomes data following surgical treatment of articular cartilage lesions with a minimum sample size of 5 patients. Studies were excluded if they were review articles, meta-analyses, and articles reporting only nonclinical outcomes (e.g., imaging, histology). A full-text review was then used to evaluate details regarding study methodology and reporting on the following variables: primary cartilage repair procedure, and the utilization of concomitant procedures to address additional patient comorbidities, including malalignment, meniscus pathology, and ligamentous instability. Each study was additionally reviewed to document variation in clinical outcomes reporting in patients that had these comorbidities addressed at the time of surgery. RESULTS All studies reported on the type of primary cartilage repair procedure, with autologous chondrocyte implantation (ACI) noted in 43% of studies, microfracture (MF) reported in 16.5%, osteochondral allograft (OCA) in 15%, and osteochondral autograft transplant (OAT) in 8.2%. Regarding concomitant pathology, anterior cruciate ligament (ACL) reconstruction (24.8%) and meniscus repair (23.3%) were the most commonly addressed patient comorbidities. A total of 56 studies (42.1%) excluded patients with malalignment, meniscus injury, and ligamentous instability. For studies that addressed concomitant pathology, 72.7% reported clinical outcomes separately from the cohort treated with only cartilage repair. A total of 16.5% of studies neither excluded nor addressed concomitant pathologies. There was a significant amount of variation in the patient reported outcome scores used among the studies, with the majority of studies reporting International Knee Documentation Committee (IKDC) and Knee Injury and Osteoarthritis Outcomes Score (KOOS) in 47.2% and 43.6% of articles, respectively. CONCLUSIONS In this study on knee cartilage restoration, recognition and management of concomitant pathology is inadequately reported in approximately 28% of studies. Only 30% of articles reported adequate treatment of concomitant ailments while scoring their outcomes using one of a potential 18 different scoring systems. These findings highlight the need for more standardized methods to be applied in future research with regard to inclusion, exclusion, and scoring concomitant pathologies with regard to treatment of cartilage defects in the knee.
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Affiliation(s)
- William L. Sheppard
- Department of Orthopaedic Surgery, University of California, Los Angeles, Santa Monica, CA, USA,David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Betina B. Hinckel
- Department of Orthopedic Surgery, University of Missouri Health, Columbia, MO, USA
| | - Armin Arshi
- Department of Orthopaedic Surgery, University of California, Los Angeles, Santa Monica, CA, USA,David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Seth L. Sherman
- Department of Orthopedic Surgery, University of Missouri Health, Columbia, MO, USA
| | - Kristofer J. Jones
- Department of Orthopaedic Surgery, University of California, Los Angeles, Santa Monica, CA, USA,David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA,Kristofer J. Jones, Department of Orthopaedic Surgery, Division of Sports Medicine and Shoulder Surgery, David Geffen School of Medicine at UCLA, 10833 Le Conte Avenue, 76-143 CHS, Los Angeles, CA 90095-6902, USA. Emails:
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14
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Prodromidis AD, Drosatou C, Thivaios GC, Zreik N, Charalambous CP. Timing of Anterior Cruciate Ligament Reconstruction and Relationship With Meniscal Tears: A Systematic Review and Meta-analysis. Am J Sports Med 2021; 49:2551-2562. [PMID: 33166481 DOI: 10.1177/0363546520964486] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Anterior cruciate ligament (ACL) ruptures are common, but the ideal timing for ACL reconstruction after injury is unclear with regard to meniscal insult. PURPOSE To determine whether there is a relationship between timing from ACL rupture to ACL reconstruction and development of meniscal tears within this period. STUDY DESIGN Systematic review and meta-analysis. METHODS A systematic literature search was undertaken independently by 2 reviewers using the Cochrane method for systematic reviews in 5 online databases. The reviewers performed independent data extraction and assessment of risk of bias and study quality. The search included any comparative study, including randomized controlled trials (RCTs), prospective and retrospective cohort studies, and case-control studies of an adult population, that assessed the relationship between timing of ACL reconstruction surgery and rates of meniscal tears. RESULTS After screening, 12 studies (No. of participants = 3042) out of 3390 records were included for analysis: 3 RCTs (n = 272), 2 prospective cohort studies (n = 307), and 7 retrospective cohort studies (n = 2463). In analysis of these studies, rates of reported meniscal tears were compared for ACL procedures performed at 3 and 6 months after injury. Meta-analysis of 5 studies (n = 2012) showed that ACL reconstruction performed >3 months after injury was associated with a higher rate of medial meniscal tears compared with ACL reconstruction performed within 3 months of injury (estimated OR, 2.235; 95% CI, 1.183-4.223; P = .013) but not with a higher rate of lateral meniscal tears. Similarly, meta-analysis of 4 studies (n = 990) showed that ACL reconstruction performed >6 months after injury was associated with a higher rate of medial meniscal tears compared with ACL reconstruction performed within 6 months of injury (estimated OR, 2.487; 95% CI, 1.241-4.984; P = .01) but not with a higher rate of lateral meniscal tears. CONCLUSION Our results suggest that delay of ACL reconstruction surgery >3 months after injury is associated with a higher rate of medial meniscal tears within this prereconstruction time frame. Further high-quality prospective studies may help determine whether this is a causal effect. However, based on current evidence, in those patients for whom ACL reconstruction is indicated, ACL reconstruction within 3 months of injury may be recommended. REGISTRATION CRD42016032846 (PROSPERO).
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Affiliation(s)
- Apostolos D Prodromidis
- Aintree University Hospitals NHS Foundation Trust, Trauma & Orthopaedics, Liverpool, UK.,University of Central Lancashire, Preston, UK
| | - Chrysoula Drosatou
- National and Kapodistrian University of Athens, School of Health Sciences, Department of Nursing, Athens, Greece
| | | | - Nasri Zreik
- Aintree University Hospitals NHS Foundation Trust, Trauma & Orthopaedics, Liverpool, UK
| | - Charalambos P Charalambous
- University of Central Lancashire, Preston, UK.,Blackpool Teaching Hospitals NHS Foundation Trust, Orthopaedics, Blackpool, UK
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15
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Kim SH, Han SJ, Park YB, Kim DH, Lee HJ, Pujol N. A systematic review comparing the results of early vs delayed ligament surgeries in single anterior cruciate ligament and multiligament knee injuries. Knee Surg Relat Res 2021; 33:1. [PMID: 33413656 PMCID: PMC7792064 DOI: 10.1186/s43019-020-00086-9] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 11/27/2020] [Indexed: 12/30/2022] Open
Abstract
PURPOSE The purpose of this study was to compare clinical outcomes and incidence of concomitant injuries in patients undergoing early vs delayed surgical treatment of single anterior cruciate ligament (ACL) injury and multiligament knee injury (MLKI). METHODS A literature search using PubMed, Embase, the Cochrane Library, the Cumulative Index to Nursing and Allied Health, and Scopus from their inception to April 30, 2020 was conducted. Studies with levels I to IV evidence reporting the incidence of meniscus or cartilage injury according to early vs delayed surgery in single ACL injuries and MLKIs were included. In the meta-analysis, data based on the number of meniscus and cartilage injuries were extracted and pooled. Lysholm and Tegner scores were analyzed using two-sample Z-tests to calculate the non-weighted mean difference (NMD). A meta-regression analysis was also performed to determine the effect of single ACL injury and MLKI/study design. RESULTS Sixteen studies on single ACL injury and 14 studies on MLKI were included in this analysis. In the analysis, there were significant decreases in Lysholm score (NMD - 5.3 [95% confidence interval (CI) - 7.37 to - 3.23]) and Tegner score (NMD - 0.25 [95% CI - 0.45 to - 0.05]) and increases in risk of meniscus tear (odds ratio [OR] 1.73 [95% CI 1.1-2.73], p = 0.01) and cartilage injury (OR 2.48 [95% CI 1.46-4.2], p = 0.0007) in the delayed surgery group regardless of single ACL injury or MLKI. The result of the meta-regression analysis indicated that single ACL injury and MLKI/study design were not significant moderators of overall heterogeneity (p > 0.05). CONCLUSIONS Our study suggests that delayed ACL surgery significantly resulted in a higher risk of meniscus tear and cartilage injury and decreased Lysholm and Tegner scores compared to early ACL surgery. The Lysholm scores in the delayed MLKI surgery group were significantly decreased, but the risks of meniscus tear and cartilage injury in the delayed MLKI surgery group remained unclear. LEVEL OF EVIDENCE Level III, meta-analysis.
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Affiliation(s)
- 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
- Department of Orthopedic Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, 102 Heukseok-ro, Dongjak-gu, Seoul, 06973, Republic of Korea
| | - Sang-Jin Han
- Department of Orthopedic Surgery, Hyundae General Hospital, Chung-Ang University College of Medicine, Jinjeop-eup, Namyangju-si, Gyunggi-do, Republic of Korea
| | - Yong-Beom Park
- Department of Orthopedic Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, 102 Heukseok-ro, Dongjak-gu, Seoul, 06973, Republic of Korea
| | - Dong-Hyun Kim
- Department of Orthopedic Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, 102 Heukseok-ro, Dongjak-gu, Seoul, 06973, Republic of Korea
| | - Han-Jun Lee
- 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 Surgery, Centre Hospitalier de Versailles, Le Chesnay, France.
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16
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Gee SM, Tennent DJ, Cameron KL, Posner MA. The Burden of Meniscus Injury in Young and Physically Active Populations. Clin Sports Med 2020; 39:13-27. [PMID: 31767103 DOI: 10.1016/j.csm.2019.08.008] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Meniscus injuries affect the young and physically active population. Although meniscus injuries are common in many sports, football, soccer, basketball, and wrestling are associated with the greatest risk. In an occupational setting, jobs requiring kneeling, squatting, and increased physical activity level have the greatest risk. Meniscus injury can be isolated to the meniscus or associated with other concomitant injuries, including anterior cruciate ligament tears and tibial plateau fractures. The frequency of meniscal repair is increasing because of a better understanding of meniscal pathophysiology, technological advancements, and a focus on meniscal preservation following injury to mitigate long-term consequences such as osteoarthritis.
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Affiliation(s)
- Shawn M Gee
- Tripler Army Medical Center, 1 Jarrett White Road, Honolulu, HI 96859, USA.
| | - David J Tennent
- John A. Feagin Jr. Sports Medicine Fellowship, Keller Army Community Hospital, 900 Washington Road, West Point, NY 10996, USA
| | - Kenneth L Cameron
- John A. Feagin Jr. Sports Medicine Fellowship, Keller Army Community Hospital, 900 Washington Road, West Point, NY 10996, USA
| | - Matthew A Posner
- John A. Feagin Jr. Sports Medicine Fellowship, Keller Army Community Hospital, 900 Washington Road, West Point, NY 10996, USA
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17
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Ishibashi Y, Adachi N, Koga H, Kondo E, Kuroda R, Mae T, Uchio Y. Japanese Orthopaedic Association (JOA) clinical practice guidelines on the management of anterior cruciate ligament injury - Secondary publication. J Orthop Sci 2020; 25:6-45. [PMID: 31843222 DOI: 10.1016/j.jos.2019.10.009] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 10/12/2019] [Accepted: 10/16/2019] [Indexed: 02/09/2023]
Abstract
BACKGROUND This clinical guideline presents recommendations for the management of patients with anterior cruciate ligament (ACL) injury, endorsed by the Japanese Orthopaedic Association (JOA) and Japanese Orthopaedic Society of Knee, Arthroscopy and Sports Medicine (JOSKAS). METHODS The JOA ACL guideline committee revised the previous guideline based on "Medical Information Network Distribution Service Handbook for Clinical Practice Guideline Development 2014", which proposed a desirable method for preparing clinical guidelines in Japan. Furthermore, the importance of "the balance of benefit and harm" was also emphasized. This guideline consists of 21 clinical questions (CQ) and 23 background questions (BQ). For each CQ, outcomes from the literature were collected and evaluated systematically according to the adopted study design. RESULTS We evaluated the objectives and results of each study in order to make a decision on the level of evidence so as to integrate the results with our recommendations for each CQ. For BQ, the guideline committee proposed recommendations based on the literature. CONCLUSIONS This guideline is intended to be used by physicians, orthopedic surgeons, physical therapists, and athletic trainers managing ACL injuries. We hope that this guideline is useful for appropriate decision-making and improved management of ACL injuries.
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Affiliation(s)
- Yasuyuki Ishibashi
- Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, Japan.
| | - Nobuo Adachi
- Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Japan
| | - Hideyuki Koga
- Department of Joint Surgery and Sports Medicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Japan
| | - Eiji Kondo
- Centre for Sports Medicine, Hokkaido University Hospital, Japan
| | - Ryosuke Kuroda
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Japan
| | - Tatsuo Mae
- Department of Sports Medical Biomechanics, Osaka University Graduate School of Medicine, Japan
| | - Yuji Uchio
- Department of Orthopaedic Surgery, Shimane University School of Medicine, Japan
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Acosta-Olivo C, Tamez-Mata Y, González-Robles J, Dávila-Martínez A, Vilchez-Cavazos F, Peña-Martínez V, de la Garza-Castro S, Villarreal-Villarreal G. Clinical Evaluation of Patients with a Delayed Treatment of Anterior Cruciate Ligament Rupture. Open Orthop J 2019. [DOI: 10.2174/1874325001913010244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/22/2023] Open
Abstract
Background:
Isolated ACL lesions can occur in up to 44.5% of sports patients and its association with a meniscal injury can be 30-80%.
Objective:
The aim of our study was to evaluate and compare clinical function of the knee in patients with reconstruction of the ACL, with or without meniscal injury.
Methods:
This was a retrospective study during a four-year period of patients with ACL repaired injury. Inclusion criteria were indistinct gender, >18 years of age with a primary ACL repaired injury (with or without associated meniscal injury). The exclusion criterion were an associated knee injury (except meniscal injury), an associated fracture in the lower limb, previous knee surgery, reconstruction surgery, graft failure after 7 months, rheumatological or psychiatric disease. The Tegner Lysholm Knee Scoring Scale, the International Knee Documentation Committee (IKDC) form and a Visual Analog Scale (VAS) were applied. The patients were divided into groups, ≤1 year and >1 year of follow-up after surgery, and in ACL injury alone or ACL plus meniscal injury.
Results:
A total of 126 ACL injuries were analyzed. No significant difference was observed between groups in demographic data. In the patients with meniscal injury, the medial meniscus was involved in 24 (50%) cases, and the lateral meniscus 22 (46%). No difference was observed between groups in the evaluation with the Lysholm-Tegner score, IKDC and VAS.
Conclusion:
Patients with isolated ACL lesions or ACL lesions plus meniscal injuries, treated with partial meniscectomy, presented a similar clinical and functional evolution even after four years of treatment.
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19
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Kim SG, Kim SH, Baek JH, Kim JG, Jang KM, Lim HC, Bae JH. High incidence of subsequent re-operation following treatments for medial meniscus tears combined with anterior cruciate ligament reconstruction: second-look arthroscopic study. Knee Surg Relat Res 2019; 31:11. [PMID: 32660645 PMCID: PMC7219574 DOI: 10.1186/s43019-019-0009-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Accepted: 08/22/2019] [Indexed: 11/10/2022] Open
Abstract
Background The Multicenter Orthopaedic Outcomes Network (MOON) group recently reported that medial meniscus (MM) repairs are associated with more frequent re-operations when compared to lateral meniscus (LM) repairs. The purpose of this study was to compare the meniscal healing and the incidence of subsequent re-operation of medial and lateral meniscal tears that occurred concurrently with anterior cruciate ligament (ACL) injuries. Methods We retrospectively reviewed patients who underwent second-look arthroscopy after primary ACL reconstruction (ACLR) between June 2005 to December 2016. The healing of meniscal tears following repair or left in situ, and re-tear following partial meniscectomy, were evaluated via second-look arthroscopy and compared between medial and lateral meniscus. Moreover, the incidence of subsequent meniscal re-operation after the index ACLR were investigated and compared between medial and lateral meniscus. Subsequent meniscal re-operation was performed in cases of the following three symptomatic meniscus tears: re-tears at the meniscectomy site; new tears; and failed healing of repaired or left in situ meniscus. Results There were 148 meniscal tears in 121 patients at index ACLR. There were 62 MM tears, 38 LM tears, and 24 bilateral meniscus tears. At second-look arthroscopy, the “successful healing” rate for tears following repair was higher in LM tears (91.2%) compared to MM tears (80.0%), although it was not statistically significant (p > 0.05). No significant differences were observed in the healing of left in situ tears or re-tear of meniscectomy site between medial and lateral meniscus. Patients with MM tears combined with ACL injuries had a higher incidence of subsequent meniscal re-operation compared to patients with LM tears (25.6% vs 16.1%, p = 0.025). Conclusions There was a trend for the successful healing rate to be higher in LM repairs than MM repairs. Subsequent meniscal re-operations after ACLR were more frequent in patients with medial meniscal tears concurrently with ACL injuries in comparison to patients with lateral meniscal tears. Level of study Level IV, retrospective case series.
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Affiliation(s)
- Sang-Gyun Kim
- Department of Orthopaedic Surgery, Korea University Ansan Hospital, 123, Jeokgeum-ro, Danwon-Gu, Ansan‑si, Gyeongki‑do, 15355, Republic of Korea
| | - Soo-Hyun Kim
- Department of Orthopaedic Surgery, Korea University Guro Hospital, Korea University College of Medicine, 148, Gurodong-ro, Guro-gu, Seoul, 08308, Republic of Korea
| | - Jung-Heum Baek
- Department of Orthopaedic Surgery, Korea University Ansan Hospital, 123, Jeokgeum-ro, Danwon-Gu, Ansan‑si, Gyeongki‑do, 15355, Republic of Korea
| | - Jae-Gyoon Kim
- Department of Orthopaedic Surgery, Korea University Ansan Hospital, 123, Jeokgeum-ro, Danwon-Gu, Ansan‑si, Gyeongki‑do, 15355, Republic of Korea
| | - Ki-Mo Jang
- Department of Orthopaedic Surgery, Korea University Anam Hospital, Korea University College of Medicine, 145, Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Hong-Chul Lim
- Department of Orthopaedic Surgery, Seoul Barunsesang Hospital, 421, Siheung-daero, Geumcheon-gu, Seoul, 08523, Republic of Korea
| | - Ji-Hoon Bae
- Department of Orthopaedic Surgery, Korea University Guro Hospital, Korea University College of Medicine, 148, Gurodong-ro, Guro-gu, Seoul, 08308, Republic of Korea.
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20
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Mehl J, Otto A, Baldino JB, Achtnich A, Akoto R, Imhoff AB, Scheffler S, Petersen W. The ACL-deficient knee and the prevalence of meniscus and cartilage lesions: a systematic review and meta-analysis (CRD42017076897). Arch Orthop Trauma Surg 2019; 139:819-841. [PMID: 30758661 DOI: 10.1007/s00402-019-03128-4] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Indexed: 10/27/2022]
Abstract
INTRODUCTION The purpose of this systematic review and meta-analysis was to analyze and compare the rate of secondary meniscus and cartilage lesions diagnosed at different time points of ACL reconstruction. MATERIALS AND METHODS A systematic search for articles comparing the rate of secondary meniscus and cartilage lesions diagnosed at different time points of ACL reconstruction was performed. PubMed central was the database used for the literature review. RESULTS Forty articles out of 1836 were included. In 35 trials (88%), there was evidence of a positive correlation between the rate of meniscus and/or cartilage lesions and the time since ACL injury. This correlation was more evident for the medial meniscus in comparison with the lateral meniscus. In particular, a delay of more than 6 months was critical for secondary medial meniscus injuries [risk ratio 0.58 (95% CI 0.44-0.79)] and a delay of more than 12 months was critical for cartilage injuries [risk ratio 0.42 (95% CI 0.29-0.59)]. Additionally, there is evidence that the chance for meniscal repair decreases as the time since ACL rupture increases. CONCLUSION Chronic instability in the ACL-deficient knee is associated with a significant increase of medial meniscus injuries after 6 months followed by a significant increase of cartilage lesions after 12 months.
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Affiliation(s)
- Julian Mehl
- Abteilung für Sportorthopädie der TU München, Klinikum rechts der Isar der TU, Munich, Germany
| | - Alexander Otto
- Department of Orthopaedic Surgery, University of Connecticut, Farmington, CT, USA
| | - Joshua B Baldino
- Abteilung für Sportorthopädie der TU München, Klinikum rechts der Isar der TU, Munich, Germany
| | - Andrea Achtnich
- Chirurgisch-Traumatologisches Zentrum, Asklepios Klinik St.Georg, Hamburg, Germany
| | - Ralph Akoto
- Abteilung für Sportorthopädie der TU München, Klinikum rechts der Isar der TU, Munich, Germany
| | - Andreas B Imhoff
- Abteilung für Sportorthopädie der TU München, Klinikum rechts der Isar der TU, Munich, Germany
| | | | - Wolf Petersen
- Klinik für Orthopädie und Unfallchirurgie am Martin Luther Krankenhaus, Berlin, Caspar Theysstr. 27-31, 14193, Berlin, Germany.
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Panjwani T, Mok YR, Wong KL, Chan CX, Toh SJ, Krishna L. The presence of concomitant intra-articular injuries and bone bruise does not affect pre-operative knee pain and symptoms in patients undergoing anterior cruciate ligament reconstruction. Knee Surg Sports Traumatol Arthrosc 2019; 27:893-897. [PMID: 30267189 DOI: 10.1007/s00167-018-5168-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Accepted: 09/21/2018] [Indexed: 11/29/2022]
Abstract
PURPOSE Increased knee pain at the time of anterior cruciate ligament (ACL) reconstruction may predict increased pain post-operatively, a prolonged recovery and a more difficult rehabilitation. The main objective of our study was to identify preoperative factors, such as concomitant intra-articular injuries and bone bruises, that may be associated with increased knee pain and symptoms in patients undergoing ACL reconstruction. METHODS Patient data was queried from our institution's prospectively maintained ACL reconstruction registry. Two-hundred and seventy patients who underwent primary ACL reconstruction within 3 months of injury were included in the study. Predictors such as demographic characteristics (age, body mass index and gender) and injury characteristics (mechanism of injury, meniscal injury, chondral injury and bone bruise) were recorded. The association between the pre-operative knee injury and Osteoarthritis Outcome Score (KOOS) pain and symptom subscales and the Short Form-36 (SF-36) bodily pain subscale, and the predictors were assessed using logistic regression for categorical variables and linear regression for continuous variables. RESULTS The mean age of our patient group was 25.4 years with 211 out of 270 (78%) being males. Bone bruise was present in 243 patients (90%), meniscal injury in 165 (61%) patients and chondral injury in 40 (15%) patients. The presence of bone bruise, meniscal injury or chondral injury was not significantly associated with worse preoperative KOOS pain and symptom and SF-36 bodily pain scores. Other factors that were not associated were demographic characteristics (age, BMI and gender) and mechanism of injury. CONCLUSION The presence of bone bruise and concomitant intra-articular injuries does not affect pre-operative knee pain and symptoms in patients undergoing ACL reconstruction within 3 months of injury. This knowledge would aid the surgeon in pre-operative counselling, and prognostication of post-operative pain and rehabilitation after ACL reconstruction.
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Affiliation(s)
- Taufiq Panjwani
- Department of Orthopaedic Surgery, National University Hospital Sports Centre, National University Health System, NUHS Tower Block, Level 11, 1E Kent Ridge Road, Singapore, 119288, Singapore.
| | - Ying Ren Mok
- Department of Orthopaedic Surgery, National University Hospital Sports Centre, National University Health System, NUHS Tower Block, Level 11, 1E Kent Ridge Road, Singapore, 119288, Singapore
| | - Keng Lin Wong
- Department of Orthopaedic Surgery, National University Hospital Sports Centre, National University Health System, NUHS Tower Block, Level 11, 1E Kent Ridge Road, Singapore, 119288, Singapore
| | - Chloe Xiaoyun Chan
- Yong Loo Lin School of Medicine, National University of Singapore, 12 Science Drive 2, Singapore, 117549, Singapore
| | - Shi Jie Toh
- Department of Orthopaedic Surgery, National University Hospital Sports Centre, National University Health System, NUHS Tower Block, Level 11, 1E Kent Ridge Road, Singapore, 119288, Singapore
| | - Lingaraj Krishna
- Department of Orthopaedic Surgery, National University Hospital Sports Centre, National University Health System, NUHS Tower Block, Level 11, 1E Kent Ridge Road, Singapore, 119288, Singapore
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Mok YR, Wong KL, Panjwani T, Chan CX, Toh SJ, Krishna L. Anterior cruciate ligament reconstruction performed within 12 months of the index injury is associated with a lower rate of medial meniscus tears. Knee Surg Sports Traumatol Arthrosc 2019; 27:117-123. [PMID: 29978305 DOI: 10.1007/s00167-018-5027-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Accepted: 06/21/2018] [Indexed: 01/13/2023]
Abstract
PURPOSE To verify the correlation of time to surgery with the prevalence of concomitant intra-articular injuries detected on arthroscopy during anterior cruciate ligament (ACL) reconstruction. METHODS The medical records of 653 patients who underwent ACL reconstruction surgery were retrospectively analyzed. Univariate and multivariate logistic regression analysis was performed to identify factors that were associated with the presence of at least one intra-articular injury, medial meniscus tears, lateral meniscus tears and chondral injuries at the time of surgery. Further univariate analysis was conducted to determine the earliest time-point for surgery, after which the rate of concomitant injuries was significantly higher. RESULTS Longer time to surgery (OR 1.019 95% CI 1.010, 1.028, p = 0.000), male sex (OR 1.695 95% CI 1.074, 2.675 p = 0.023), and higher BMI (OR 1.050 95% CI 1.006, 1.097 p = 0.025) were correlated with a higher prevalence of medial meniscus tears. There was an increased prevalence of medial meniscus tears when surgery was carried out more than 12 months after the index injury (OR 2.274 95% CI 1.469, 3.522, p = 0.000). The correlation between longer time to surgery and chondral injuries approached statistical significance (OR 1.006 95% CI 0.999, 1.012, p = 0.073). However, a longer time to surgery was not associated with an increased prevalence of lateral meniscus tears (OR 1.003 95% CI 0.998, 1.009, p = n.s.). CONCLUSIONS Longer time to surgery is associated with an increased prevalence of medial meniscus tears in ACL reconstruction. Surgery performed within 12 months of the index injury reduces the prevalence of medial meniscus tears. Prioritizing males and overweight patients for counselling and early intervention can be considered. LEVEL OF EVIDENCE Therapeutic level III retrospective cohort study.
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Affiliation(s)
- Ying Ren Mok
- National University Hospital Sports Centre, Department of Orthopaedic Surgery, National University Health System, NUHS Tower Block, Level 11, 1E Kent Ridge Road, Singapore, 119288, Singapore.
| | - Keng Lin Wong
- National University Hospital Sports Centre, Department of Orthopaedic Surgery, National University Health System, NUHS Tower Block, Level 11, 1E Kent Ridge Road, Singapore, 119288, Singapore
| | - Taufiq Panjwani
- National University Hospital Sports Centre, Department of Orthopaedic Surgery, National University Health System, NUHS Tower Block, Level 11, 1E Kent Ridge Road, Singapore, 119288, Singapore
| | - Chloe Xiaoyun Chan
- Yong Loo Lin School of Medicine, National University of Singapore, 12 Science Drive 2, Singapore, 117549, Singapore
| | - Shi Jie Toh
- National University Hospital Sports Centre, Department of Orthopaedic Surgery, National University Health System, NUHS Tower Block, Level 11, 1E Kent Ridge Road, Singapore, 119288, Singapore
| | - Lingaraj Krishna
- National University Hospital Sports Centre, Department of Orthopaedic Surgery, National University Health System, NUHS Tower Block, Level 11, 1E Kent Ridge Road, Singapore, 119288, Singapore
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23
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Sommerfeldt M, Goodine T, Raheem A, Whittaker J, Otto D. Relationship Between Time to ACL Reconstruction and Presence of Adverse Changes in the Knee at the Time of Reconstruction. Orthop J Sports Med 2018; 6:2325967118813917. [PMID: 30560143 PMCID: PMC6293370 DOI: 10.1177/2325967118813917] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Background: Treatment of patients with anterior cruciate ligament (ACL) injuries is often
complicated by secondary damage to the meniscus and cartilage. Purpose: To assess the association between time from ACL tear to ACL reconstruction
(ACLR) and the presence of intra-articular injuries at the time of ACLR,
including meniscal tears, irreparable meniscal tears, chondral damage, and
knee compartment degenerative changes. Study Design: Cross-sectional study; Level of evidence, 3. Methods: Consecutive patients undergoing primary ACLR performed by a single surgeon in
a Canadian health system over a 5.5-year period were included. Age at ACLR,
activity level prior to injury, time from injury to ACLR (TFI), presence and
degree of radiographic osteoarthritic features (International Knee
Documentation Committee [IKDC] score by tibiofemoral and/or patellofemoral
compartment), and surgeon-recorded meniscal lesions (presence and treatment
[repair or excision]) and chondral lesions (International Cartilage Repair
Society [ICRS] scale grade >2) at time of ACLR were extracted from
medical records. The association between TFI (in quartiles: first quartile
[0-36 wk] through fourth quartile [110-1000 wk]) and each outcome was
assessed with multivariable logistic regression adjusted for age at ACLR and
activity level. Results: A total of 860 individual patient records were included. The median patient
age was 27.0 years (range, 12-63 years), 47.5% were female (403/849), and
47.2% were classified as playing competitive or professional sports versus
recreational sport (337/714). After adjustment for age and activity level,
TFI was associated with presence of medial meniscal tear (odds ratio [OR] of
fourth-quartile vs first-quartile patients, 3.86; 95% CI, 2.38-6.24;
P < .001), medial meniscal tear requiring greater
than two-thirds meniscectomy (OR, 5.64; 95% CI, 2.99-10.67;
P < .001), medial femoral condyle chondral damage
(OR, 3.42; 95% CI, 1.96-5.95; P < .001), and medial
tibiofemoral radiographic osteoarthritic features (OR, 22.03; 95% CI,
5.17-93.86; P < .001). TFI was not associated with
adverse outcomes in the lateral tibiofemoral or patellofemoral
compartments. Conclusion: Increases in TFI are associated with medial meniscal tears, including
irreparable medial meniscal tears, medial femoral condyle chondral damage,
and early medial tibiofemoral compartment degenerative changes at time of
ACLR. These findings highlight the importance of establishing a timely
diagnosis and implementing an appropriate treatment plan for patients with
ACL injuries. This approach may prevent further instability episodes that
place patients at risk of sustaining additional intra-articular injuries in
the affected knee. Further research is required to understand the
implications of TFI and to determine whether decreasing the TFI alters the
natural history after an ACL injury.
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Affiliation(s)
- Mark Sommerfeldt
- Glen Sather Sports Medicine Clinic, University of Alberta, Edmonton, Alberta, Canada.,Division of Orthopaedic Surgery, Department of Surgery, University of Alberta, Edmonton, Alberta, Canada
| | - Tom Goodine
- Division of Orthopaedic Surgery, Department of Surgery, University of Alberta, Edmonton, Alberta, Canada
| | - Abdul Raheem
- Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Jackie Whittaker
- Glen Sather Sports Medicine Clinic, University of Alberta, Edmonton, Alberta, Canada.,Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - David Otto
- Glen Sather Sports Medicine Clinic, University of Alberta, Edmonton, Alberta, Canada.,Division of Orthopaedic Surgery, Department of Surgery, University of Alberta, Edmonton, Alberta, Canada
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Sommerfeldt M, Raheem A, Whittaker J, Hui C, Otto D. Recurrent Instability Episodes and Meniscal or Cartilage Damage After Anterior Cruciate Ligament Injury: A Systematic Review. Orthop J Sports Med 2018; 6:2325967118786507. [PMID: 30057927 PMCID: PMC6058426 DOI: 10.1177/2325967118786507] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Background Delayed anterior cruciate ligament (ACL) reconstruction may be associated with increased risk of subsequent knee joint damage and osteoarthritis (OA). The relationship between recurrent instability episodes and meniscal or cartilage damage after first-time ACL injury is unknown. Purpose To assess the association between recurrent knee instability episodes and prevalence of meniscal lesions, cartilage damage, and OA after first-time ACL injury. Study Design Systematic review; Level of evidence, 4. Methods Six electronic databases were systematically searched using keywords and Medical Subject Heading terms. Studies selected were of English language, included original data, had a prospective design, and provided an outcome of recurrent instability and meniscal lesions, cartilage damage, or OA after first-time ACL injury. Adjusted odds ratios (ORs) were extracted or unadjusted ORs (95% CI) were calculated. PRISMA guidelines were followed, and 2 independent raters assessed study quality using Downs and Black criteria. Results Of 905 potentially relevant studies, 7 were included. Sample sizes ranged from 43 to 541, and Downs and Black scores ranged from 2 to 12. Clinical and methodological heterogeneity precluded meta-analysis. Six studies reported a positive association between recurrent instability episodes and medial meniscal damage (OR range, 3.46 [95% CI, 1.24-9.99] to 11.56 [1.37-521.06]). The association between instability episodes and lateral meniscal or cartilage damage was inconsistent. No studies examined the association between instability episodes and OA. Conclusion This systematic review provides preliminary evidence that recurrent instability episodes after first-time ACL injury may be associated with increased odds of medial meniscal damage. This highlights the importance of early diagnosis, education, and treatment for individuals with ACL injury, all of which must include a specific focus on the prevention and management of instability episodes. High-quality, prospective cohort studies are needed that assess the effects of diagnostic and treatment delay, recurrent instability episodes on secondary meniscal and cartilage damage, and OA after an initial ACL injury.
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Affiliation(s)
- Mark Sommerfeldt
- Glen Sather Sports Medicine Clinic, University of Alberta, Edmonton, Alberta, Canada.,Division of Orthopaedic Surgery, Department of Surgery, University of Alberta, Edmonton, Alberta, Canada
| | - Abdul Raheem
- Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Jackie Whittaker
- Glen Sather Sports Medicine Clinic, University of Alberta, Edmonton, Alberta, Canada.,Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Catherine Hui
- Glen Sather Sports Medicine Clinic, University of Alberta, Edmonton, Alberta, Canada.,Division of Orthopaedic Surgery, Department of Surgery, University of Alberta, Edmonton, Alberta, Canada
| | - David Otto
- Glen Sather Sports Medicine Clinic, University of Alberta, Edmonton, Alberta, Canada.,Division of Orthopaedic Surgery, Department of Surgery, University of Alberta, Edmonton, Alberta, Canada
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25
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Chan CX, Wong KL, Toh SJ, Krishna L. Epidemiology of patients with anterior cruciate ligament injuries undergoing reconstruction surgery in a multi-ethnic Asian population. Res Sports Med 2018; 29:12-24. [PMID: 29985059 DOI: 10.1080/15438627.2018.1492391] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
We conducted an epidemiological study to identify the demographics and pre-operative characteristics of patients undergoing primary anterior cruciate ligament (ACL) reconstruction in a multi-ethnic Asian population. A retrospective study was performed on 696 patients who registered in our ACL reconstruction registry from January 2013 to August 2016. Important inter-ethnic differences were found. Indian patients were significantly older compared to Malay and Chinese patients. Malay and Indian patients were more likely to be male, overweight, and obese compared to Chinese patients. Soccer was the predominant sport involved, although ethnic predominance in specific sports exists. Novel findings from this study include increased prevalence of concomitant chondral injuries in the Chinese population compared to Malays and Indians, and significantly higher rates of concomitant intra-articular injuries in soccer and basketball compared to netball. Identification of these high-risk subgroups would serve useful in guiding the formulation of prevention strategies within our multi-ethnic community.
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Affiliation(s)
- Chloe Xiaoyun Chan
- Yong Loo Lin School of Medicine, National University of Singapore , Singapore, Singapore
| | - Keng Lin Wong
- Division of Sports Medicine and Surgery, Department of Orthopaedic Surgery, National University Hospital, National University Health System (NUHS) , Singapore, Singapore
| | - Shi Jie Toh
- Division of Sports Medicine and Surgery, Department of Orthopaedic Surgery, National University Hospital, National University Health System (NUHS) , Singapore, Singapore
| | - Lingaraj Krishna
- Division of Sports Medicine and Surgery, Department of Orthopaedic Surgery, National University Hospital, National University Health System (NUHS) , Singapore, Singapore
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26
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Incidence and patterns of meniscal tears accompanying the anterior cruciate ligament injury: possible local and generalized risk factors. INTERNATIONAL ORTHOPAEDICS 2018; 42:2113-2121. [PMID: 29804224 DOI: 10.1007/s00264-018-3992-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 05/15/2018] [Indexed: 01/14/2023]
Abstract
AIM OF THE WORK Injury to the anterior cruciate ligament (ACL) is frequently accompanied by tears of the menisci. Some of these tears occur at the time of injury, but others develop over time in the ACL-deficient knee. The aim of this study was to evaluate the effects of the patient characteristics, time from injury (TFI), and posterior tibial slope (PTS) on meniscal tear patterns. Our hypothesis was that meniscal tears would occur more frequently in ACL-deficient knees with increasing age, weight, TFI, PTS, and in male patients. METHODS Of the ACL-injured patients, 362 were analyzed, and details of meniscal lesions were collected. The medial and lateral tibial slopes (MTS, LTS) were measured via computed tomography. Patient demographics, TFI, MTS, and LTS were correlated with the diagnosed meniscal tears. RESULTS Of the patients, 113 had a medial meniscus (MM) tear, 54 patients had a lateral meniscus (LM) tear, 34 patients had tears of both menisci, and 161 patients had no meniscal tear. The most common tear location was the posterior horn (PH) of the MM, followed by tear involving the whole MM. Patient age, BMI, and TFI were significantly associated with the incidence of MM tear. Female patients had a higher incidence of injury than males in all tear sites except in the body and PH. Male patients had more vertical and peripheral tears. The median MTS and LTS for patients with MM tears were 7.0°and 8.7°, respectively, while those of patients with LM tears were 6.9° and 8.1°. Steeper LTS was significantly associated with tears of LM and of both menisci. CONCLUSION Older age, male sex, increased BMI, and prolonged TFI were significant factors for the development of MM tears. An increase in the tibial slope, especially of the lateral plateau, seems to increase the risk of tear of the LM and of both menisci. LEVEL OF EVIDENCE Level III.
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27
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Thorlund JB, Juhl CB, Ingelsrud LH, Skou ST. Risk factors, diagnosis and non-surgical treatment for meniscal tears: evidence and recommendations: a statement paper commissioned by the Danish Society of Sports Physical Therapy (DSSF). Br J Sports Med 2018; 52:557-565. [PMID: 29420236 DOI: 10.1136/bjsports-2017-098429] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/09/2018] [Indexed: 01/08/2023]
Abstract
This statement aimed at summarising and appraising the available evidence for risk factors, diagnostic tools and non-surgical treatments for patients with meniscal tears. We systematically searched electronic databases using a pragmatic search strategy approach. Included studies were synthesised quantitatively or qualitatively, as appropriate. Strength of evidence was determined according to the Grading of Recommendations Assessment Development and Evaluation framework. Low-quality evidence suggested that overweight (degenerative tears, k=3), male sex (k=4), contact and pivoting sports (k=2), and frequent occupational kneeling/squatting (k=3) were risk factors for meniscal tears. There was low to moderate quality evidence for low to high positive and negative predictive values, depending on the underlying prevalence of meniscal tears for four common diagnostic tests (k=15, n=2474). Seven trials investigated exercise versus surgery (k=2) or the effect of surgery in addition to exercise (k=5) for degenerative meniscal tears. There was moderate level of evidence for exercise improving self-reported pain (Effect Size (ES)-0.51, 95% CI -1.16 to 0.13) and function (ES -0.06, 95% CI -0.23 to 0.11) to the same extent as surgery, and improving muscle strength to a greater extent than surgery (ES -0.45, 95% CI -0.62 to -0.29). High-quality evidence showed no clinically relevant effect of surgery in addition to exercise on pain (ES 0.18, 95% 0.05 to 0.32) and function (ES, 0.13 95% CI -0.03 to 0.28) for patients with degenerative meniscal tears. No randomised trials comparing non-surgical treatments with surgery in patients younger than 40 years of age or patients with traumatic meniscal tears were identified. Diagnosis of meniscal tears is challenging as all clinical diagnostic tests have high risk of misclassification. Exercise therapy should be recommended as the treatment of choice for middle-aged and older patients with degenerative meniscal lesions. Evidence on the best treatment for young patients and patients with traumatic meniscal tears is lacking.
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Affiliation(s)
- Jonas Bloch Thorlund
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
| | - Carsten Bogh Juhl
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark.,Department of Rehabilitation, Copenhagen University Hospital, Herlev and Gentofte, Denmark
| | - Lina Holm Ingelsrud
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark.,Department of Orthopaedic Surgery, Copenhagen University Hospital, Hvidovre, Denmark
| | - Søren Thorgaard Skou
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark.,Department of Physiotherapy and Occupational Therapy, Næstved-Slagelse-Ringsted Hospitals, Region Zealand, Denmark
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28
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Chan CX, Wong KL, Toh SJ, Krishna L. Chinese Ethnicity Is Associated With Concomitant Cartilage Injuries in Anterior Cruciate Ligament Tears. Orthop J Sports Med 2018; 6:2325967117750083. [PMID: 29376084 PMCID: PMC5777569 DOI: 10.1177/2325967117750083] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Background Chinese ethnicity is associated with the presence of knee osteoarthritis. This raises the possibility that it may similarly be associated with concomitant meniscus and cartilage injuries in patients with anterior cruciate ligament (ACL) tears. There are currently no published data on the effect of Chinese ethnicity in this regard. Purpose The primary aim was to determine whether Chinese ethnicity is associated with concomitant intra-articular injuries in patients with ACL tears and to verify the correlation of age, sex, body mass index, mechanism of injury, cause of injury, and presence of bone contusions on magnetic resonance imaging with such injuries. A secondary purpose was to determine the optimal time frame for surgical reconstruction in patients with identified risk factors for concomitant injuries. Study Design Cohort study; Level of evidence, 3. Methods The medical records of 696 patients from a multiethnic population who underwent ACL reconstruction from January 2013 to August 2016 were retrospectively analyzed. Univariate and multivariate logistic regression analyses were performed to identify patient factors that were associated with medial meniscus tears, lateral meniscus tears, and cartilage injuries. Further univariate analysis was conducted to determine the earliest time point for surgery, after which the rate of concomitant injuries was significantly higher. Results Over half (69.1%, n = 481) of our study population sustained at least 1 other concomitant knee injury. Meniscus tears were most frequently associated with ACL tears (24.1% medial, 25.6% lateral, and 15.5% medial and lateral meniscus tears). Cartilage injuries were present in 18.4% of our cohort. Chinese ethnicity was associated with concomitant cartilage injuries. Increased age (≥30 years) was significantly associated with cartilage injuries and male sex with medial and lateral meniscus tears. Among patients with these factors, significantly fewer medial meniscus tears and cartilage injuries were noted when surgery was carried out within 12 months of the index trauma. Conclusion This is one of the first studies to have identified an association between Chinese ethnicity and concomitant cartilage injuries in ACL tears. This study also found an association between increased age and an increased prevalence of cartilage injuries. Male sex was associated with both medial and lateral meniscus tears. Definitive surgery should be performed within 12 months of the index injury to minimize further intra-articular injuries.
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Affiliation(s)
- Chloe Xiaoyun Chan
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Keng Lin Wong
- Division of Sports Medicine and Surgery, Department of Orthopaedic Surgery, National University Hospital, National University Health System, Singapore
| | - Shi Jie Toh
- Division of Sports Medicine and Surgery, Department of Orthopaedic Surgery, National University Hospital, National University Health System, Singapore
| | - Lingaraj Krishna
- Division of Sports Medicine and Surgery, Department of Orthopaedic Surgery, National University Hospital, National University Health System, Singapore
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29
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Pike AN, Bryant T, Ogura T, Minas T. Intermediate- to Long-Term Results of Combined Anterior Cruciate Ligament Reconstruction and Autologous Chondrocyte Implantation. Orthop J Sports Med 2017; 5:2325967117693591. [PMID: 28321429 PMCID: PMC5347433 DOI: 10.1177/2325967117693591] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Cartilage injury associated with anterior cruciate ligament (ACL) ruptures is common; however, relatively few reports exist on concurrent cartilage repair with ACL reconstruction. Autologous chondrocyte implantation (ACI) has been utilized successfully for treatment of moderate to large chondral defects. HYPOTHESIS ACL insufficiency with relatively large chondral defects may be effectively managed with concurrent ACL reconstruction and ACI. STUDY DESIGN Case series; Level of evidence, 4. METHODS Patients undergoing concurrent ACL primary or revision reconstruction with ACI of single or multiple cartilage defects were prospectively evaluated for a minimum 2 years. Pre- and postoperative outcome measures included the modified Cincinnati Rating Scale (MCRS), Western Ontario and McMaster Universities Osteoarthritis Index, visual analog pain scales, and postsurgery satisfaction surveys. ACI graft failure or persistent pain without functional improvement were considered treatment failures. RESULTS Twenty-six patients were included, with 13 primary and 13 revision ACL reconstructions performed. Mean defect total surface area was 8.4 cm2, with a mean follow-up of 95 months (range, 24-240 months). MCRS improved from 3.62 ± 1.42 to 5.54 ± 2.32, Western Ontario and McMaster Universities Osteoarthritis Index from 45.31 ± 17.27 to 26.54 ± 17.71, and visual analog pain scale from 6.19 ± 1.27 to 3.65 ± 1.77 (all Ps <.001). Eight patients were clinical failures, 69% of patients were improved at final follow-up, and 92% stated they would likely undergo the procedure again. No outcome correlation was found with regard to age, body mass index, sex, defect size/number, follow-up time, or primary versus revision ACL reconstruction. In subanalysis, revision ACL reconstructions had worse preoperative MCRS scores and greater defect surface areas. However, revision MCRS score improvements were greater, resulting in similar final functional scores when compared with primary reconstructions. CONCLUSION Challenging cases of ACL tears with large chondral defects treated with concurrent ACL reconstruction and ACI can lead to moderately improved pain and function at long-term follow-up. Factors associated with clinical failure are not clear. When combined with ACI, patients undergoing revision ACL reconstructions have worse function preoperatively compared with those undergoing primary reconstructions but have similar final outcomes.
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Affiliation(s)
- Andrew N Pike
- Department of Orthopaedic Surgery, Division of Sports Medicine, Tripler Army Medical Center, Honolulu, Hawaii, USA
| | - Tim Bryant
- Department of Orthopaedic Surgery, Cartilage Repair Center, Brigham and Women's Hospital, Chestnut Hill, Massachusetts, USA
| | - Takahiro Ogura
- Department of Orthopaedic Surgery, Cartilage Repair Center, Brigham and Women's Hospital, Chestnut Hill, Massachusetts, USA
| | - Tom Minas
- Department of Orthopaedic Surgery, Cartilage Repair Center, Brigham and Women's Hospital, Chestnut Hill, Massachusetts, USA
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30
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Peltier A, Lording T, Maubisson L, Ballis R, Neyret P, Lustig S. The role of the meniscotibial ligament in posteromedial rotational knee stability. Knee Surg Sports Traumatol Arthrosc 2015; 23:2967-73. [PMID: 26264383 DOI: 10.1007/s00167-015-3751-0] [Citation(s) in RCA: 109] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Accepted: 08/06/2015] [Indexed: 01/14/2023]
Abstract
PURPOSE Tears of the posterior horn of the medial meniscus (PHMM) are very common in the ACL-deficient knee. Specific lesions of the PHMM have been described in the setting of ACL rupture: ramp lesions and injuries to the meniscotibial ligament. There are little data available regarding the role these lesions play in knee instability. The aim of this study is to analyse the biomechanical consequences of ramp and meniscotibial ligament lesions on knee stability. Our hypothesis was that these lesions would cause increased instability in the setting of ACL rupture. METHODS A cadaveric study was undertaken: ten knees were included for analysis. The biomechanical repercussions of different meniscoligamentous injuries were studied in four stages: stage 1 involved testing the intact knee, stage 2 after transection of the ACL, stage 3 following creation of a ramp lesion, and stage 4 after detachment of the meniscotibial ligament. Four parameters were measured during the experiment: anterior tibial translation under a force of 134 N, internal and external tibial rotation under a torque of 5 Nm, and valgus angulation under a torque of 10 Nm. Measurements were taken in four knee flexion positions: 0° or full extension, 30°, 70°, and 90° of flexion. RESULTS There was a statistically significant increase in anterior tibial translation for stage 2 (6.8 ± 1.3 mm, p ≤ 0.001), stage 3 (9.4 ± 1.3 mm, p ≤ 0.001), and stage 4 (9.3 ± 1.3 mm, p ≤ 0.001) compared to stage 1. There was no significant difference between stage 2 and stage 3 (2.6 mm, n.s.) or stage 4 (2.5 mm, n.s.). We did, however, demonstrate an increase in anterior tibial translation of 2.6 mm after the creation on a lesion of the PHMM compared to isolated division of the ACL, for all flexion angles combined. There was an increase in internal tibial rotation between stage 1 and stage 4 (3.2° ± 0.7°, p ≤ 0.001) and between stage 2 and stage 4 (2.0° ± 0.7°, p = 0.023). A significant difference was demonstrated for external rotation under 5 Nm torque between stages 4 and 1 (2.2° ± 0.5°, p ≤ 0.001) and between stages 4 and 2 (1.7° ± 0.5°, p = 0.007) for all knee flexion angles combined. No created lesion had a significant effect on medial laxity under a 10-Nm valgus torque at any degree of knee flexion. CONCLUSION Lesions of the posterior horn of the medial meniscus are frequent in cases of anterior cruciate ligament rupture. These lesions appear to play a significant role in knee stability. Ramp lesions increase the forces in the ACL, and the PHMM is a secondary restraint to anterior tibial translation. Lesions of the meniscotibial ligament may increase rotatory instability of the knee.
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Affiliation(s)
- A Peltier
- Centre Albert Trillat, Orthopaedic Surgery, Croix-Rousse Hospital, Lyon, France
| | - T Lording
- Melbourne Orthopaedic Group, The Alfred Hospital, Melbourne, Australia
| | - L Maubisson
- François Rabelais University (IAE), Tours, France
| | - R Ballis
- Centre Albert Trillat, Orthopaedic Surgery, Croix-Rousse Hospital, Lyon, France
| | - P Neyret
- Centre Albert Trillat, Orthopaedic Surgery, Croix-Rousse Hospital, Lyon, France
| | - S Lustig
- Centre Albert Trillat, Orthopaedic Surgery, Croix-Rousse Hospital, Lyon, France.
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Peltier A, Lording TD, Lustig S, Servien E, Maubisson L, Neyret P. Posteromedial meniscal tears may be missed during anterior cruciate ligament reconstruction. Arthroscopy 2015; 31:691-8. [PMID: 25660007 DOI: 10.1016/j.arthro.2014.12.003] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Revised: 10/16/2014] [Accepted: 12/03/2014] [Indexed: 02/02/2023]
Abstract
PURPOSE This study aimed to assess the benefit of using an arthroscopic intercondylar view and a posterior medial viewing portal during anterior cruciate ligament (ACL) reconstruction in the diagnosis of posterior horn of the medial meniscus (PHMM) tears. A secondary objective was to determine clinical and radiological risk factors for the PHMM. METHODS Forty-one patients undergoing isolated ACL reconstruction were prospectively evaluated. At ACL reconstruction, the PHMM was assessed using a standard 30° arthroscope in 3 sequential stages: a "classic" anterolateral portal view, an intercondylar view, and a view through a posteromedial portal. RESULTS Thirty-nine patients were included (12 female patients and 27 male patients). A posteromedial tear of the medial meniscus was found in 17 patients using the anterolateral portal view. The intercondylar view identified 4 new additional lesions and extensions of 3 previously identified lesions. The posteromedial portal view identified 6 new lesions and 5 extensions of known lesions compared with the anterolateral portal view. Two lesions seen through the posteromedial portal were not identified by either the anterolateral portal view or the intercondylar view. CONCLUSIONS Tears of the PHMM may be underdiagnosed by intraoperative assessment using only an anterolateral portal view during ACL reconstruction. The intercondylar view combined with a posteromedial portal aids in the diagnosis of PHMM tears and should be considered in routine ACL reconstruction to assess meniscal status, particularly when the interval from injury to surgery is prolonged. LEVEL OF EVIDENCE Level IV, therapeutic case series.
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Affiliation(s)
- Adrien Peltier
- Albert Trillat Center, Groupement Hospitalier Nord,Université Lyon, Lyon, France
| | - Timothy D Lording
- Albert Trillat Center, Groupement Hospitalier Nord,Université Lyon, Lyon, France; Frankston Hospital, Frankston, Australia.
| | - Sébastien Lustig
- Albert Trillat Center, Groupement Hospitalier Nord,Université Lyon, Lyon, France
| | - Elvire Servien
- Albert Trillat Center, Groupement Hospitalier Nord,Université Lyon, Lyon, France
| | | | - Philippe Neyret
- Albert Trillat Center, Groupement Hospitalier Nord,Université Lyon, Lyon, France
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32
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Feucht MJ, Bigdon S, Bode G, Salzmann GM, Dovi-Akue D, Südkamp NP, Niemeyer P. Associated tears of the lateral meniscus in anterior cruciate ligament injuries: risk factors for different tear patterns. J Orthop Surg Res 2015; 10:34. [PMID: 25889148 PMCID: PMC4389969 DOI: 10.1186/s13018-015-0184-x] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2015] [Accepted: 03/04/2015] [Indexed: 02/03/2023] Open
Abstract
Background The pattern of lateral meniscus tears observed in anterior cruciate ligament (ACL)-injured subjects varies greatly and determines subsequent management. Certain tear patterns with major biomechanical consequences should be repaired in a timely manner. Knowledge about risk factors for such tears may help to identify patients in the early posttraumatic phase and subsequently may improve clinical results. Methods A database of 268 patients undergoing primary ACL reconstruction was used to identify all patients with isolated ACL tears and patients with an associated tear of the lateral meniscus. Patients who underwent surgery >6 months after the injury were excluded. Based on the arthroscopic appearance of the lateral meniscus, patients were assorted to one of three groups: ‘no tear,’ ‘minor tear,’ and ‘major tear.’ Tear patterns defined as major included root tears, complete radial tears, and unstable longitudinal tears including bucket-handle tears. Univariate analysis was performed by comparing the three groups with regard to gender, age, height, weight, BMI, type of injury (high-impact sport, low-impact sport, and not sports related), and mechanism of injury (non-contact vs. contact). Multivariate logistic regression was carried out to identify independent risk factors for minor and major meniscal tears and to calculate odds ratios (OR). Results Two hundred fifteen patients met the inclusion and exclusion criteria. Of those, 56% had isolated ACL tears, 27% had associated minor tears, and 17% had associated major tears of the lateral meniscus. Univariate analysis revealed significant differences between the three groups for gender (p = 0.002), age groups (p = 0.026), and mechanism of injury (p < 0.001). A contact injury mechanism was a risk factor for minor tears (OR: 4.28) and major tears (OR: 18.49). Additional risk factors for major tears were male gender (OR: 7.38) and age <30 years (OR: 5.85). Conclusion Male patients, patients <30 years, and particularly patients who sustained a contact injury have a high risk for an associated major lateral meniscus tear. Special attention is therefore necessary in those patients and early referral to magnetic resonance imaging and/or arthroscopy is recommended to allow meniscus repair in a timely manner.
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Affiliation(s)
- Matthias J Feucht
- Department of Orthopedic Surgery and Traumatology, Freiburg University Hospital, Albert Ludwigs University of Freiburg, Hugstetter Straße 55, 79106, Freiburg, Germany.
| | - Sebastian Bigdon
- Department of Orthopedic Surgery and Traumatology, Freiburg University Hospital, Albert Ludwigs University of Freiburg, Hugstetter Straße 55, 79106, Freiburg, Germany.
| | - Gerrit Bode
- Department of Orthopedic Surgery and Traumatology, Freiburg University Hospital, Albert Ludwigs University of Freiburg, Hugstetter Straße 55, 79106, Freiburg, Germany.
| | - Gian M Salzmann
- Department of Orthopedic Surgery and Traumatology, Freiburg University Hospital, Albert Ludwigs University of Freiburg, Hugstetter Straße 55, 79106, Freiburg, Germany.
| | - David Dovi-Akue
- Department of Orthopedic Surgery and Traumatology, Freiburg University Hospital, Albert Ludwigs University of Freiburg, Hugstetter Straße 55, 79106, Freiburg, Germany.
| | - Norbert P Südkamp
- Department of Orthopedic Surgery and Traumatology, Freiburg University Hospital, Albert Ludwigs University of Freiburg, Hugstetter Straße 55, 79106, Freiburg, Germany.
| | - Philipp Niemeyer
- Department of Orthopedic Surgery and Traumatology, Freiburg University Hospital, Albert Ludwigs University of Freiburg, Hugstetter Straße 55, 79106, Freiburg, Germany.
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