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Jungmann PM, Lange T, Wenning M, Baumann FA, Bamberg F, Jung M. Ankle Sprains in Athletes: Current Epidemiological, Clinical and Imaging Trends. Open Access J Sports Med 2023; 14:29-46. [PMID: 37252646 PMCID: PMC10216848 DOI: 10.2147/oajsm.s397634] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 05/06/2023] [Indexed: 05/31/2023] Open
Abstract
Purpose Ankle injuries are frequent sports injuries. Despite optimizing treatment strategies during recent years, the percentage of chronification following an ankle sprain remains high. The purpose of this review article is, to highlight current epidemiological, clinical and novel advanced cross-sectional imaging trends that may help to evaluate ankle sprain injuries. Methods Systematic PubMed literature research. Identification and review of studies (i) analyzing and describing ankle sprain and (ii) focusing on advanced cross-sectional imaging techniques at the ankle. Results The ankle is one of the most frequently injured body parts in sports. During the COVID-19 pandemic, there was a change in sporting behavior and sports injuries. Ankle sprains account for about 16-40% of the sports-related injuries. Novel cross-sectional imaging techniques, including Compressed Sensing MRI, 3D MRI, ankle MRI with traction or plantarflexion-supination, quantitative MRI, CT-like MRI, CT arthrography, weight-bearing cone beam CT, dual-energy CT, photon-counting CT, and projection-based metal artifact reduction CT may be introduced for detection and evaluation of specific pathologies after ankle injury. While simple ankle sprains are generally treated conservatively, unstable syndesmotic injuries may undergo stabilization using suture-button-fixation. Minced cartilage implantation is a novel cartilage repair technique for osteochondral defects at the ankle. Conclusion Applications and advantages of different cross-sectional imaging techniques at the ankle are highlighted. In a personalized approach, optimal imaging techniques may be chosen that best detect and delineate structural ankle injuries in athletes.
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Affiliation(s)
- Pia M Jungmann
- Department of Diagnostic and Interventional Radiology, Medical Center–University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Department of Radiology, Kantonsspital Graubünden, Chur, Switzerland
| | - Thomas Lange
- Department of Radiology, Medical Physics, Medical Center – University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Markus Wenning
- Department of Orthopedic and Trauma Surgery, Medical Center – University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Frédéric A Baumann
- Department of Vascular Medicine, Hospital of Schiers, Schiers, Switzerland
| | - Fabian Bamberg
- Department of Diagnostic and Interventional Radiology, Medical Center–University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Matthias Jung
- Department of Diagnostic and Interventional Radiology, Medical Center–University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
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Nakashima H, Uchida S, Hatakeyama A, Murata Y, Yamanaka Y, Tsukamoto M, Sekiya I, Sakai A. Isolation and Characterization of Synovial Mesenchymal Stem Cells Derived From Patients With Chronic Lateral Ankle Instability: A Comparative Analysis of Synovial Fluid, Adipose Synovium, and Fibrous Synovium of the Ankle Joint. Orthop J Sports Med 2022; 10:23259671221094615. [PMID: 35601732 PMCID: PMC9118449 DOI: 10.1177/23259671221094615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Accepted: 02/17/2022] [Indexed: 11/16/2022] Open
Abstract
Background: Synovial mesenchymal stem cells (MSCs) have high proliferative potential and are considered an excellent source for stem cell therapy. Purposes: To isolate MSCs from the synovium of ankle joints in patients with chronic lateral ankle instability (CLAI) and to compare the characteristics of MSCs derived from the synovium anterior to the talus with those from the surrounding anterior talofibular ligament (ATFL) synovium. Study Design: Controlled laboratory study. Methods: The synovium was harvested from 2 locations in the ankle, the synovium anterior to the talus and the surrounding ATFL synovium, of 14 patients who underwent arthroscopic ATFL repair for CLAI without osteochondral lesions of the talus (OLTs). Synovial fluid was also harvested. MSCs were isolated from both types of synovial tissue, as well as synovial fluid. The number of MSCs in the synovium and their viability, proliferation, colony-forming units, and potential to differentiate into adipose, bone, and cartilage tissues were determined and compared between groups. Additionally, real-time polymerase chain reaction was used to assess the differentiation capacity of adipose, bone, and cartilage tissues from both samples. The Wilcoxon signed rank test was used to compare the sample weight, number of colonies, number of nucleated cells per colony, yield obtained, and phenotypic characteristics of MSCs derived from different locations of the synovium. Results: No significant differences were observed in the sample weight ( P = .051), number of nucleated cells per milligram ( P = .272), number of colonies ( P = .722), and yield obtained ( P = .099) between the 2 groups. MSCs could not be isolated from synovial fluid. The frequency of oil red O–positive adipogenic colonies ( P = .028) and the expression of the adipsin gene ( P < .05) were significantly increased in the cells from the synovium anterior to the talus compared to those in the cells from the surrounding ATFL synovium. However, chondrogenic and osteogenic potentials were not significantly different between the 2 groups. Conclusion: Synovial MSCs obtained from the ankle joint had self-renewal and multilineage differentiation potential, although the adipogenesis potential of MSCs from the synovium anterior to the talus was superior to that from the surrounding ATFL synovium. Clinical Relevance: Both the adipose synovium and fibrous synovium in the ankle joints of patients with CLAI may be a good source of MSCs for stem cell therapy applications, whereas synovial fluid appeared unsuitable.
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Affiliation(s)
- Hirotaka Nakashima
- Department of Orthopaedic Surgery, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Soshi Uchida
- Department of Orthopaedic Surgery, Wakamatsu Hospital, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Akihisa Hatakeyama
- Department of Orthopaedic Surgery, Wakamatsu Hospital, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Yoichi Murata
- Department of Orthopaedic Surgery, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Yoshiaki Yamanaka
- Department of Orthopaedic Surgery, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Manabu Tsukamoto
- Department of Orthopaedic Surgery, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Ichiro Sekiya
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Akinori Sakai
- Department of Orthopaedic Surgery, University of Occupational and Environmental Health, Kitakyushu, Japan
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Preexisting and treated concomitant ankle instability does not compromise patient-reported outcomes of solitary osteochondral lesions of the talus treated with matrix-induced bone marrow stimulation in the first postoperative year: data from the German Cartilage Registry (KnorpelRegister DGOU). Knee Surg Sports Traumatol Arthrosc 2022; 30:1187-1196. [PMID: 32737525 DOI: 10.1007/s00167-020-06172-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 07/16/2020] [Indexed: 12/13/2022]
Abstract
PURPOSE The purpose of this study was to compare the subjective ankle function within the first year following matrix-induced bone marrow stimulation (M-BMS) of patients with a solitary osteochondral lesion of the talus (OCLT) with and without concomitant chronic ankle instability (CAI). METHODS Data from the German Cartilage Registry (KnorpelRegister DGOU) for 78 patients with a solitary OCLT and a follow-up of at least 6 months were included. All patients received M-BMS for OCLT treatment. The cohort was subdivided into patients with OCLT without CAI treated with M-BMS alone (n = 40) and patients with OCLT and CAI treated with M-BMS and additional ankle stabilisation (n = 38). The Foot and Ankle Ability Measure (FAAM), the Foot and Ankle Outcome Score (FAOS), and the Numeric Rating Scale for Pain (NRS) were used to assess patient-reported outcomes (median (minimum-maximum)). RESULTS From preoperatively to 12 months postoperatively, patients with OCLT without CAI treated with M-BMS alone had a significant improvement of all subscales in the FAAM [activity of daily living 64.3 (10-100) to 88.1 (39-100); sports 34.4 (0-100) to 65.6 (13-94), functional activities of daily life 50 (0-90) to 80 (30-100), functional sports 30 (0-100) to 70 (5-100)] and FAOS [pain 61.1 (8-94) to 86.1 (50-100), symptoms 60.7 (18-96) to 76.8 (29-100), activities of daily living 72.1 (24-100) to 91.9 (68-100), sport/recreational activities 30.0 (0-70) to 62.5 (0-95), quality of life 31.3 (6-50) to 46.9 (19-100)]. Within the first year, patients with OCLT and CAI treated with M-BMS and ankle stabilisation also showed significant improvement in the FAAM [activity of daily living 68.8 (5-99) to 90.5 (45-100); sports 32.8 (0-87.5) to 64.1 (0-94), functional activities of daily life 62.5 (25-100) to 80 (60-90), functional sports 30 (0-100) to 67.5 (0.95)] and the FAOS [pain 66.7 (28-92) to 87.5 (47-100), symptoms 57.1 (29-96) to 78.6 (50-100), activities of daily living 80.1 (25-100) to 98.5 (59-100), sport/recreational activities 35.0 (0-100) to 70.0 (0-100), quality of life 25.0 (0-75) to 50.0 (19-94)]. The pain level decreased significantly in both groups. No significant difference was found between both groups regarding the subscales of FAAM, FAOS and the NRS 1 year postoperatively. CONCLUSION Improvements in subjective ankle function, daily life activities and sports activities were observed within the first year following M-BMS. Our results suggest that preexisting and treated ankle instability did not compromise subjective outcome in patients treated with M-BMS in the first postoperative year. LEVEL OF EVIDENCE Level IV.
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Utturkar AA, Ditzler MG, Schallert EK, Jadhav SP, Smith BG, Gladstein AZ, Kan JH. Pediatric Bassett's ligament: pathology or normal anatomy? Pediatr Radiol 2021; 51:1237-1242. [PMID: 33595702 DOI: 10.1007/s00247-020-04942-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 10/20/2020] [Accepted: 12/16/2020] [Indexed: 11/30/2022]
Abstract
BACKGROUND Bassett's ligament is an accessory fascicle of the anterior inferior tibiofibular ligament. The prevalence, normal thickness and clinical implications of a thickened ligament have not been described in the pediatric radiology literature. OBJECTIVE The purpose of this study was to determine the prevalence and thickness of Bassett's ligament in pediatric patients with magnetic resonance imaging (MRI) findings of lateral talar osteochondral lesions, medial talar osteochondral lesions and posterior ankle impingement, to compare these measurements with normal MRIs, and to compare the reproducibility of these measurements. MATERIALS AND METHODS This is a retrospective study of pediatric ankle MRIs with four cohorts containing 21 patients each. All MRIs were retrospectively reviewed by a pediatric musculoskeletal radiologist and a pediatric radiology fellow. The prevalence of Bassett's ligament and its axial thickness were obtained for each cohort with repeat measurements for intra-observer and interobserver variability. Average thickness and standard deviation of Bassett's ligament were calculated. RESULTS The prevalence of Bassett's ligament and its thickness in each cohort were (mean±standard deviation): lateral osteochondral lesions, 71% (15/21), 1.9±0.5 mm; medial osteochondral lesions, 52% (11/21), 1.4±0.2 mm; posterior impingement, 52% (11/21), 1.3±0.2 mm; and normal ankle examinations, 71% (15/21), 1.5±0.4 mm. The thickness of Bassett's ligament was increased in the lateral talar osteochondral lesion group when compared to normal (P=0.02), while thickness in the medial osteochondral lesion and posterior impingement groups was not significant when compared to normal. The repeat measurements showed no significant difference in intra-observer and interobserver variability. CONCLUSION Bassett's ligament is a normal structure in children. Thickening of Bassett's ligament is seen with lateral osteochondral lesions and may be an indirect sign of anterolateral tibiotalar capsule injury.
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Affiliation(s)
- Atul A Utturkar
- Edward B. Singleton Department of Radiology, Texas Children's Hospital, 6701 Fannin St., Suite 470, Houston, TX, 77030, USA.
| | - Matthew G Ditzler
- Edward B. Singleton Department of Radiology, Texas Children's Hospital, 6701 Fannin St., Suite 470, Houston, TX, 77030, USA
| | - Erica K Schallert
- Edward B. Singleton Department of Radiology, Texas Children's Hospital, 6701 Fannin St., Suite 470, Houston, TX, 77030, USA
| | - Siddharth P Jadhav
- Edward B. Singleton Department of Radiology, Texas Children's Hospital, 6701 Fannin St., Suite 470, Houston, TX, 77030, USA
| | - Brian G Smith
- Department of Orthopedic Surgery, Texas Children's Hospital, Houston, TX, USA
| | - Aharon Z Gladstein
- Department of Orthopedic Surgery, Texas Children's Hospital, Houston, TX, USA
| | - J Herman Kan
- Edward B. Singleton Department of Radiology, Texas Children's Hospital, 6701 Fannin St., Suite 470, Houston, TX, 77030, USA
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