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Dadgostar H, Zarrini M, Hoveidaei AH, Sattarpour R, Razi S, Arasteh P, Razi M. Two-Year Functional Outcomes of Nonsurgical Treatment in Concomitant Anterior Cruciate Ligament and Medial Collateral Ligament Injuries: A Case-Control Study. J Knee Surg 2024. [PMID: 38442911 DOI: 10.1055/a-2281-1736] [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: 03/07/2024]
Abstract
The anterior cruciate ligament (ACL) is a common knee injury in high-intensity sports, which can cause early career loss in young athletes. Concomitant damage to other knee stabilizers may occur, such as the medial collateral ligament (MCL). Recent studies have shown that knee stability can increase without surgical intervention in patients with ACL and MCL injuries. Regarding the importance of functional tests in return to exercise prediction, this study aims to measure nonsurgical approach's long-term outcome for concomitant ACL and MCL injuries with a focus on functional tests. This is a case-control study with a 2-year follow-up. The case group consisted of patients who had provided written consent and completed their 2-year follow-up, and the control group was made up of healthy people who did not have any knee medical conditions and were matched by age, gender, and activity level. Physical examinations, Tegner and International Knee Documentation Committee questionnaires, and knee magnetic resonance imaging were conducted, and functional performance tests were performed after a 10-minute warm-up. Lody's index (the ratio of injured-to-uninjured knee results) was calculated. The data were analyzed using independent t-test, one-way analysis of variance, chi-squared test, and Fisher's exact test. The study involved 11 patients in each concomitant ACL and MCL injury cases and healthy control groups with a mean age of 32.4 and 28 years, respectively. None of the patients reported knee instability symptoms in the 2-year follow-up. More than half of the patients continued their sports field without reinjury, with no significant difference in activity levels between case and control groups. The 6-meter hop test and single-leg hop test showed no significant difference between case and control groups (p-value: 0.326, 0.859), and no significant difference was observed in the three Carioca, cocontraction, and Shuttle tests in the 2-year follow-up. Functional tests in ACL and MCL injuries revealed normal outcomes, implying a nonsurgical approach for patients with proximal ACL tears, better knee stability, and no significant differences between the injured and control groups.
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Affiliation(s)
- Heleh Dadgostar
- Department of Sports and Exercise Medicine, School of Medicine, Hazrat e Rasool General Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Mojgan Zarrini
- Department of Sports and Exercise Medicine, School of Medicine, Hazrat e Rasool General Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Amir Human Hoveidaei
- Sports Medicine Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Sattarpour
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Saeed Razi
- Bone and Joint Reconstruction Research Center, Department of Orthopedics, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | | | - Mohammad Razi
- Department of Orthopedic Surgery, Rasoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran
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Smeets A, Ghafelzadeh Ahwaz F, Bogaerts S, Berger P, Peers K. Comparison of immediate versus optional delayed surgical repair for treatment of acute anterior cruciate ligament injury through a parallel, multicentric, pragmatic randomized controlled trial - IODA trial. BMC Sports Sci Med Rehabil 2024; 16:22. [PMID: 38238809 PMCID: PMC10797880 DOI: 10.1186/s13102-024-00816-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 01/14/2024] [Indexed: 01/22/2024]
Abstract
BACKGROUND Standard care for anterior cruciate ligament (ACL) injuries often includes surgical reconstruction of the ACL. However, two randomized controlled trials [1, 2] (RCT) concluded that conservative treatment does not result in inferior clinical outcomes compared to immediate ACL reconstruction. More research is needed to verify these results and assess whether patient-specific parameters determine if a patient would benefit from one treatment option over the other. METHODS This is a pragmatic, multi-center RCT with two parallel groups. Patients with an acute ACL injury will be recruited from Belgian hospitals. Patients will be randomized to conservative treatment (rehabilitation + optional delayed surgery) or immediate ACL reconstruction (< 12 weeks). The primary outcome is the Knee injury and Osteoarthritis Outcome Score (KOOS) at 7 months (short term) and 1-year long term) post-injury. These following additional outcomes will be administered at 4 and 7 months (short term) and 1, 2, and 3 years post-injury (long term): patient-reported outcomes concerning knee symptoms, knee function and quality of life, functional knee tests, time to return to pre-injury activity level and return to work, structural knee joint damage and cartilage health (only at 4 months and 3 years post-injury), as well as adverse events such as re-rupture rates. Furthermore, the secondary objective is to identify (through a predictive analysis) individuals who would benefit the most from early reconstruction versus those who should rather be treated conservatively. DISCUSSION This large RCT will assess the clinical effectiveness of both surgical and conservative treatment. In addition, it will be the first study that provides insights into which patient-specific factors predict successful outcomes after conservative treatment of ACL injuries. These results will be the first step toward early patient identification regarding treatment decisions. This is urgently needed to avoid (1) delayed surgeries and prolonged rehabilitation and (2) unnecessary surgeries. TRIAL REGISTRATION this trial was registered on ClinicalTrials.gov (NCT05747079) on 10/02/2023.
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Affiliation(s)
- Annemie Smeets
- Research group of Physical & Rehabilitation Medicine, Department of Development & Regeneration, KU Leuven, Leuven, Belgium
- Research group of Musculoskeletal Rehabilitation, Department of Rehabilitation Sciences & Physiotherapy, KU Leuven, Leuven, Belgium
| | - Feryal Ghafelzadeh Ahwaz
- Research group of Physical & Rehabilitation Medicine, Department of Development & Regeneration, KU Leuven, Leuven, Belgium.
| | - Stijn Bogaerts
- Research group of Physical & Rehabilitation Medicine, Department of Development & Regeneration, KU Leuven, Leuven, Belgium
- Department of Physical & Rehabilitation Medicine, University Hospitals Leuven, Leuven, Belgium
| | - Pieter Berger
- Department of Orthopaedic Surgery, University of Leuven, Leuven, Belgium
| | - Koen Peers
- Research group of Physical & Rehabilitation Medicine, Department of Development & Regeneration, KU Leuven, Leuven, Belgium
- Department of Physical & Rehabilitation Medicine, University Hospitals Leuven, Leuven, Belgium
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Previ L, Monaco E, Carrozzo A, Fedeli G, Annibaldi A, Cantagalli MR, Rossi G, Ferretti A. Spontaneous healing of a ruptured anterior cruciate ligament: a case series and literature review. J Exp Orthop 2023; 10:11. [PMID: 36738386 PMCID: PMC9898698 DOI: 10.1186/s40634-022-00566-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 12/20/2022] [Indexed: 02/05/2023] Open
Abstract
PURPOSE The anterior cruciate ligament is probably one of the ligaments with the lowest healing potential. Many authors have reported cases of spontaneous healing but nowadays it is difficult to predict successful healing of an anterior cruciate ligament rupture and, even more, residual functionality and capability to return to sport. The aim of this study was to investigate cases of spontaneous healing in a population that received non-surgical treatment after anterior cruciate ligament rupture and to perform an updated review of contemporary literature. METHODS The authors retrospectively reviewed patients who suffered from an acute complete anterior cruciate ligament rupture and underwent non-surgical treatment. No specific rehabilitation protocol was prescribed. A new magnetic resonance imaging study was conducted 6 months after the injury for all patients. A literature review was conducted regarding spontaneous healing of the anterior cruciate ligament. The papers included in the analysis were reports of any level of evidence, written in English, Italian, or French languages; articles were excluded if they reported non-human studies, histological studies, studies conducted without magnetic resonance imaging or arthroscopic second look, or partial anterior cruciate ligament tear. RESULTS Case series: Six patients were enrolled in the study. All patients had a proximal anterior cruciate ligament lesion. The minimum follow-up was 13 months (range 6-20 months). At the last follow-up the mean score on the Lysholm scale was 97, the mean IKDC score was 94, and the mean KOOS score was 96. All patients returned to their own sport activities; no one reported significant differences. The magnetic resonance imaging study at 6 months revealed an end-to-end continuous anterior cruciate ligament with homogeneous signal. No one had any new knee injury at last follow-up. LITERATURE REVIEW A search of comprehensive databases retrieved 1057 articles; 8 full-text articles met the eligibility criteria. The studies were heterogeneous regarding the populations analysed, sport activity level, treatment applied, healing definition, and follow-up. The failure rate of non-surgical management ranged among the papers from 0 to 73%. CONCLUSIONS The study findings show that spontaneous anterior cruciate ligament healing is possible and there are chances of clinical recovery for patients not suitable for surgery. However, there is still a lack of evidence about predictors, clinical outcomes, and adequate rehabilitation protocols.
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Affiliation(s)
- Leonardo Previ
- grid.7841.aAOU Sant’Andrea, La Sapienza University of Rome, Rome, Italy The Investigations Were Performed at AOU Sant’Andrea, La Sapienza University of Rome, Rome, Italy
| | - Edoardo Monaco
- grid.7841.aAOU Sant’Andrea, La Sapienza University of Rome, Rome, Italy The Investigations Were Performed at AOU Sant’Andrea, La Sapienza University of Rome, Rome, Italy
| | - Alessandro Carrozzo
- grid.7841.aAOU Sant’Andrea, La Sapienza University of Rome, Rome, Italy The Investigations Were Performed at AOU Sant’Andrea, La Sapienza University of Rome, Rome, Italy
| | - Gianluca Fedeli
- grid.7841.aAOU Sant’Andrea, La Sapienza University of Rome, Rome, Italy The Investigations Were Performed at AOU Sant’Andrea, La Sapienza University of Rome, Rome, Italy
| | - Alessandro Annibaldi
- grid.7841.aAOU Sant’Andrea, La Sapienza University of Rome, Rome, Italy The Investigations Were Performed at AOU Sant’Andrea, La Sapienza University of Rome, Rome, Italy
| | - Matteo Romano Cantagalli
- grid.7841.aAOU Sant’Andrea, La Sapienza University of Rome, Rome, Italy The Investigations Were Performed at AOU Sant’Andrea, La Sapienza University of Rome, Rome, Italy
| | - Giorgio Rossi
- grid.7841.aAOU Sant’Andrea, La Sapienza University of Rome, Rome, Italy The Investigations Were Performed at AOU Sant’Andrea, La Sapienza University of Rome, Rome, Italy
| | - Andrea Ferretti
- grid.7841.aAOU Sant’Andrea, La Sapienza University of Rome, Rome, Italy The Investigations Were Performed at AOU Sant’Andrea, La Sapienza University of Rome, Rome, Italy
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Pitsillides A, Stasinopoulos D, Giannakou K. Healing potential of the anterior cruciate ligament in terms of fiber continuity after a complete rupture: A systematic review. J Bodyw Mov Ther 2021; 28:246-254. [PMID: 34776148 DOI: 10.1016/j.jbmt.2021.06.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 05/28/2021] [Accepted: 06/08/2021] [Indexed: 10/21/2022]
Abstract
INTRODUCTION Complete rupture of the anterior cruciate ligament is a major problem owing to inadequate surgery outcomes and the limited healing capacity of the ligament. This study aimed to summarise the evidence on the spontaneous healing potential of the anterior cruciate ligament in terms of fiber continuity based on magnetic resonance imaging (MRI) findings. METHODS PubMed, Cochrane Library, Scopus, and MEDLINE databases were searched from their inception to November 1, 2020. Studies that analysed patients diagnosed with complete anterior cruciate ligament rupture were included. Further, studies that used conservative treatment as intervention and MRI finding as an outcome measure were included. RESULTS In total, 9 studies, with a total of 734 participants, met the inclusion criteria. Knee laxity was measured in all studies. Two studies classified patients according to rupture location, where most ligaments with restored fiber continuity had proximal ruptures. All included studies reported spontaneous healing. Furthermore, none of the included studies reported the absence of healing. CONCLUSIONS This systematic review demonstrates the intrinsic healing capacity of the anterior cruciate ligament, indicating a higher healing potential for proximal ruptures. While our study reveals an emerging need to question general practice, a definitive conclusion could not be drawn owing to the low quality of the studies included and the heterogeneity of results.
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Affiliation(s)
- Alexios Pitsillides
- Department of Health Sciences, School of Sciences, European University Cyprus, Nicosia 1516, Cyprus
| | - Dimitrios Stasinopoulos
- University of West Attica, Department of Physiotherapy, Laboratory of Neuromuscular and Cardiovascular Study of Motion, Athens, Greece
| | - Konstantinos Giannakou
- Department of Health Sciences, School of Sciences, European University Cyprus, Nicosia 1516, Cyprus.
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De Kanter J, Oei E, Schiphof D, Van Meer B, Van Middelkoop M, Reijman M, Bierma-Zeinstra S, Runhaar J, Van der Heijden R. Prevalence of small osteophytes on knee MRI in several large clinical and population-based studies of various age groups and OA risk factors. OSTEOARTHRITIS AND CARTILAGE OPEN 2021; 3:100187. [DOI: 10.1016/j.ocarto.2021.100187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 05/18/2021] [Accepted: 05/25/2021] [Indexed: 10/21/2022] Open
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Zicaro JP, Garcia-Mansilla I, Zuain A, Yacuzzi C, Costa-Paz M. Has platelet-rich plasma any role in partial tears of the anterior cruciate ligament? Prospective comparative study. World J Orthop 2021; 12:423-432. [PMID: 34189080 PMCID: PMC8223727 DOI: 10.5312/wjo.v12.i6.423] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 02/18/2021] [Accepted: 05/07/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Partial tears of the anterior cruciate ligament (ACL) are frequent, and there is still considerable controversy surrounding their diagnosis, natural history and treatment.
AIM To examine patient-reported outcomes, physical examination and magnetic resonance imaging (MRI) findings of partial ACL tears treated with an intraarticular injection of platelet-rich plasma (PRP) compared to a control group.
METHODS From January 2015 to November 2017, consecutive patients from a single institution with partial ACL tears treated nonoperatively were prospectively evaluated. Partial tears were defined as a positive Lachman test with a clear end-point, a negative pivot-shift and less than 3 mm of side-to-side difference using the KT1000 arthrometer. Patients in group 1 were treated with one intraarticular injection of PRP and specific physical therapy protocol. Control group consisted of patients treated only with physical therapy. Prospective analyzed data included physical examination, Tegner activity level and Lysholm and International Knee Documentation Committee scores. Baseline MRI findings and at 6 mo follow-up were reviewed. Failure was defined as those patients with clinical instability at follow-up that required a subsequent ACL reconstruction.
RESULTS A total of 40 patients where included, 21 treated with PRP injection with a mean follow-up of 25 mo [standard deviation (SD): 3.6] and 19 in the control group with a mean follow-up of 25 mo (SD: 5.68). Overall failure rate was 32.0% (n = 13). No significant differences were observed between groups regarding subjective outcomes, return to sport and failure rate. MRI findings revealed an improvement in the ACL signal in half of the patients of both groups. However, we did not find a significant relationship between MRI findings and clinical outcomes.
CONCLUSION Overall, 95.0% of patients returned to sports at a mean follow-up of 25 mo. Mean time to return to sports was 4 mo. Out of these patients, almost 30.0% in each group had a new episode of instability and required surgery at a median time of 5 mo in group 1 and 8 mo in group 2. The addition of PRP alone was not sufficient to enhance any of the outcome measures evaluated, including MRI images, clinical evaluation and failure rate.
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Affiliation(s)
- Juan Pablo Zicaro
- Knee Division, Hospital Italiano de Buenos Aires, Buenos Aires 1181, Argentina
| | | | - Andres Zuain
- Knee Division, Hospital Italiano de Buenos Aires, Buenos Aires 1181, Argentina
| | - Carlos Yacuzzi
- Knee Division, Hospital Italiano de Buenos Aires, Buenos Aires 1181, Argentina
| | - Matias Costa-Paz
- Knee Division, Hospital Italiano de Buenos Aires, Buenos Aires 1181, Argentina
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Lee HJ, Park YB, Kim SH. Diagnostic Value of Stress Radiography and Arthrometer Measurement for Anterior Instability in Anterior Cruciate Ligament Injured Knees at Different Knee Flexion Position. Arthroscopy 2019; 35:1721-1732. [PMID: 31072721 DOI: 10.1016/j.arthro.2019.01.046] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 01/21/2019] [Accepted: 01/28/2019] [Indexed: 02/02/2023]
Abstract
PURPOSE To evaluate diagnostic value of stress radiography and arthrometer measurements for anterior instability at different knee flexion angle positions. METHODS Forty-three patients with complete anterior cruciate ligament (ACL) rupture (group 1) and 37 normal subjects (group 2) were enrolled prospectively. Arthrometer (KT-1000) measurements and stress radiography by Telos were used to evaluate side-to-side differences. Results were recorded according to the knee position (30°, 45°, 60°, and 90°). Areas under the receiver operating characteristic curves (AUCs) were used to evaluate the diagnostic accuracy of each evaluation method. The calculated cutoff values at 30° position were used to evaluate the sensitivity and specificity of combined evaluation with stress radiography and arthrometer measurements. RESULTS The side-to-side differences on stress radiography and arthrometer measurements were significantly different between groups (P < .05), except for the values at the 90° position in arthrometer measurements (P = .844). The amount of anterior translation decreased in both arthrometer measurements and stress radiography between 30° and 45° positions (P < .000); however, no further decrease was observed beyond 45°. The AUC of stress radiography at the 30° position was significantly higher than other values (AUC = 0.955; P = .000). Moreover, the clinical cutoff value of 3 mm showed 86.0% sensitivity and 89.2% specificity in stress radiography at 30°, which were higher than those in arthrometer measurements. Combined use of stress radiography and arthrometer measurements at the 30° position showed 100% sensitivity and 59.5% specificity as a screening test. CONCLUSIONS Evaluation at the 30° knee position was significantly superior to that at other positions for both stress radiography and arthrometer measurements, whereas the 90° knee flexion position was not meaningful for any measurements. Evaluation needs to be performed with a 3-mm cutoff value for stress radiography at the 30° knee position; however, combined use of stress radiography and arthrometer measurements at the 30° knee flexion can have a higher diagnostic value. LEVEL OF EVIDENCE Level I, diagnostic study of established criteria.
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Affiliation(s)
- Han-Jun Lee
- Department of Orthopedic Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, South Korea
| | - Yong-Beom Park
- Department of Orthopedic Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, South Korea
| | - Seong Hwan Kim
- Department of Orthopedic Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, South Korea; Orthopedic Department, Centre Hospitalier de Versailles, Le Chesnay, France.
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