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Arrambide-Garza FJ, Guerrero-Zertuche JT, Alvarez-Villalobos NA, Quiroga-Garza A, Espinosa-Uribe A, Vilchez-Cavazos F, Salinas-Alvarez Y, Rivera-Perez JA, Elizondo-Omaña RE. Rotator Interval vs Posterior Approach Ultrasound-guided Corticosteroid Injections in Primary Frozen Shoulder: A Meta-analysis of Randomized Controlled Trials. Arch Phys Med Rehabil 2024; 105:760-769. [PMID: 37690742 DOI: 10.1016/j.apmr.2023.08.026] [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] [Received: 07/11/2023] [Revised: 08/28/2023] [Accepted: 08/29/2023] [Indexed: 09/12/2023]
Abstract
OBJECTIVE To compare the efficacy of rotator interval (RI) vs posterior approach (PA) ultrasound (US) guided corticosteroid injections into the glenohumeral (GH) joint in primary frozen shoulder (PFS). DATA SOURCES A systematic literature search for all relevant studies on Medline, Scopus, Embase, Web of Science, and Cochrane Central, up to January 2023 was conducted. STUDY SELECTION Randomized controlled trials that directly compared the US-guided corticosteroid injection into the RI and GH joint using PA in patients clinically and radiographically diagnosed with PFS. DATA EXTRACTION The primary outcome was pain, and the secondary outcomes were function, and range of motion (ROM). Two authors independently assessed the risk of bias using the Cochrane risk-of-bias tool version 2. A random-effects model and generic inverse variance method were performed. Effect sizes were estimated using mean difference (MD) and standardized mean difference (SMD). DATA SYNTHESIS A total of 5 clinical trials involving 323 subjects were included for the meta-analysis. US-guided corticosteroid injections into the RI revealed significant pain relief (MD 1.33 [95% confidence interval (CI) 0.20 to 2.46]; P=.02) and significant functional improvement (SMD 1.31 [95% CI 0.11 to 2.51]; P=.03) compared with the PA after 12 weeks. CONCLUSION The results suggest the injection of corticosteroid into RI space is more effective than PA after 12 weeks in improving both pain and functional scores in patients with PFS.
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Affiliation(s)
| | | | - Neri Alejandro Alvarez-Villalobos
- Universidad Autonoma de Nuevo Leon, School of Medicine, 360 Research Development Center, Monterrey, Mexico; Knowledge and Evaluation Research Unit, Mayo Clinic, Rochester, Minnesota, USA; Instituto Mexicano del Seguro Social, Nuevo Leon Delegation, Monterrey, Mexico
| | - Alejandro Quiroga-Garza
- Universidad Autonoma de Nuevo Leon, School of Medicine, Human Anatomy Department, Mexico; Instituto Mexicano del Seguro Social, Nuevo Leon Delegation, Monterrey, Mexico
| | - Abraham Espinosa-Uribe
- Universidad Autonoma de Nuevo Leon, School of Medicine, Human Anatomy Department, Mexico; Hospital Christus Muguerza, High Specialty, Department of Orthopedics and Traumatology, Monterrey, Mexico
| | - Felix Vilchez-Cavazos
- Autonoma de Nuevo Leon, University Hospital "Dr José Eleuterio González", Orthopedic Surgery Division, Monterrey, México
| | | | - Juan Antonio Rivera-Perez
- Dirección de Medicina y Ciencias Aplicadas, Comisión Nacional De Cultura Física y Deporte, Ciudad de México, México.
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Tamai K, Hamada J, Nagase Y, Morishige M, Naito M, Asai H, Tanaka S. Frozen shoulder. An overview of pathology and biology with hopes to novel drug therapies. Mod Rheumatol 2024; 34:439-443. [PMID: 37632764 DOI: 10.1093/mr/road087] [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] [Received: 06/27/2023] [Revised: 08/07/2023] [Accepted: 08/18/2023] [Indexed: 08/28/2023]
Abstract
Frozen shoulder (FS) is a common disorder characterized by spontaneous onset of shoulder pain accompanied by progressive loss of range-of-motions. The cause of FS is still unclear, and radical therapy has not been established. With the final aim of preventing or curing FS at an earlier stage, we reviewed the pathological and biological features of this disease. Many studies indicate that the main pathology of FS is inflammation initially and fibrosis later. There are inflammatory cytokines, immune cells, fibrotic growth factors, and type-III collagen in the synovium and the joint capsule. The immune cell landscape switches from the macrophages to T cells. Activated fibroblasts seem to regulate the inflammatory and fibrotic processes. The imbalance between matrix metalloproteinases and tissue inhibitors of metalloproteases might promote fibrosis. Additionally, advanced glycation end-products are noted in the FS synovium. Diabetes mellitus and hypothyroidism are closely related to the development of FS. In terms of nonsurgical treatment, oral or intra-articular glucocorticoids are the only drugs that provide early benefit. Some other anti-inflammatory or antifibrotic drugs may potentially control the FS, but have not been proven effective in the clinical setting. Future studies should be targeted to develop steroid-sparing agents that inhibit biological events in FS.
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Affiliation(s)
- Kazuya Tamai
- Department of Orthopedic Surgery, Tohto Bunkyo Hospital, Tokyo, Japan
| | - Junichiro Hamada
- Department of Orthopedic Surgery, Kuwano Kyoritsu Hospital, Fukushima, Japan
| | - Yuichi Nagase
- Department of Rheumatology Surgery, Tokyo Metropolitan Tama Medical Center, Fuchu, Tokyo, Japan
| | | | - Masashi Naito
- Department of Orthopedic Surgery, National Hospital Organization Sagamihara National Hospital, Sagamihara, Kanagawa, Japan
| | - Hideaki Asai
- Department of Orthopedic Surgery, Yashio Central General Hospital, Yashio, Saitama, Japan
| | - Sakae Tanaka
- Department of Orthopaedic Surgery, The University of Tokyo Hospital, Tokyo, Japan
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Cuevas-Cervera M, Aguilar-Nuñez D, Aguilar-García M, García-Ríos MC, González-Muñoz A, Navarro-Ledesma S. Patellar Tendon Elasticity and Temperature Following after a 448 Kilohertz Radiofrequency Intervention on Active Healthy Subjects: An Open Controlled Clinical Trial. Diagnostics (Basel) 2023; 13:2976. [PMID: 37761343 PMCID: PMC10528375 DOI: 10.3390/diagnostics13182976] [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: 07/17/2023] [Revised: 08/29/2023] [Accepted: 09/15/2023] [Indexed: 09/29/2023] Open
Abstract
The purpose of this study was to analyze the changes in the elasticity and temperature of the patellar tendon produced by the application of a radiofrequency at 448 kHz (CRMR) just after and 7 days after the intervention. An open controlled clinical trial was used with participants being recruited from a private clinic. The experimental group (n = 22) received a 448 kHz CRMR treatment while the control group (n = 22) did not receive any type of intervention. Quantitative ultrasound strain elastography (SEL) and thermography were used to collect data from 4 different areas of the patellar tendon. These areas were measured at the start (T0), just after (T1), and seven days after (T2) the intervention. There were thermal changes immediately after the intervention (p < 0.001). In addition, when the measurements were collected just after the intervention and seven days after they were analyzed, significant changes (p < 0.001) in temperature were observed in the tendons of both groups. Finally, a low but significant association (r = 0.434, p < 0.04) was observed between the elastic properties of the tendon at its insertion in the patella and thermal changes just after the 448 kHz intervention.
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Affiliation(s)
- Maria Cuevas-Cervera
- Department of Physiotherapy, Faculty of Health Sciences, Campus of Melilla, University of Granada, Querol Street, 5, 52004 Melilla, Spain; (M.C.-C.); (M.A.-G.); (S.N.-L.)
- Biomedicine PhD Program, Faculty of Health Sciences, University of Granada, Av. de la Ilustración, 60, 18071 Granada, Spain
| | - Daniel Aguilar-Nuñez
- Department of Nursing and Podiatry, Faculty of Health Sciences, University of Malaga, 29071 Malaga, Spain;
| | - María Aguilar-García
- Department of Physiotherapy, Faculty of Health Sciences, Campus of Melilla, University of Granada, Querol Street, 5, 52004 Melilla, Spain; (M.C.-C.); (M.A.-G.); (S.N.-L.)
| | - María Carmen García-Ríos
- Department of Physiotherapy, Faculty of Health Sciences, University of Granada, Av. de la Ilustración, 60, 18071 Granada, Spain;
| | - Ana González-Muñoz
- Department of Physiotherapy, Faculty of Health Sciences, Campus of Melilla, University of Granada, Querol Street, 5, 52004 Melilla, Spain; (M.C.-C.); (M.A.-G.); (S.N.-L.)
- Clinica Ana Gonzalez, Avenida Hernan Nuñez de Toledo 6, 29018 Malaga, Spain
| | - Santiago Navarro-Ledesma
- Department of Physiotherapy, Faculty of Health Sciences, Campus of Melilla, University of Granada, Querol Street, 5, 52004 Melilla, Spain; (M.C.-C.); (M.A.-G.); (S.N.-L.)
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Li D, Zhang C, Xiang X, Cheng Y, Zhang L, Ma K. The Effect of Arthroscopic Extra-Articular Entire Coracohumeral Ligament Release for Patients with Recalcitrant Frozen Shoulder. Orthop Surg 2023; 15:1975-1982. [PMID: 36345115 PMCID: PMC10432473 DOI: 10.1111/os.13566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 08/21/2022] [Accepted: 09/21/2022] [Indexed: 08/18/2023] Open
Abstract
OBJECTIVE The thickened coracohumeral ligament (CHL) is an important part of the typical manifestations and magnetic resonance imaging of frozen shoulder. However, only a few clinical studies with limited cases on arthroscopic extra-articular entire CHL release exist in the literature. This study was to evaluate the effect of arthroscopic extra-articular entire CHL release for patients with recalcitrant frozen shoulder. METHODS From February 2014 to February 2020, 81 cases of recalcitrant frozen shoulder patients treated with surgery in a single-center shoulder department and followed for more than 2 years were analyzed. Arthroscopic 360° capsular release was performed with intra-articular partial release (IPR group) or additional extra-articular entire release (IPR + EER group) of CHL. The same rehabilitation program was performed after surgery in both groups. Visual analogue scale (VAS) for pain, range of motion (ROM), and the Constant-Murley scoring system was evaluated before operation, at 3 months after operation, 6 months after operation, and the final follow-up. T-test, Mann-Whitney U-test and chi-squared test were used to compared data. RESULTS There were 39 patients in the IPR group, with an average follow-up of 29.2 months. A total of Forty-two patients in the IPR + EER group completed a mean follow-up of 25.7 months. All incisions healed in stages. There were significant differences in Constant-Murley shoulder score, VAS score, and ROM before operation and at the final follow-up in both groups (both P < 0.001). The VAS score of the IPR + EER group was lower than that of the IPR group at 3 months after surgery (P < 0.05), and 6 months after operation (P < 0.05). External rotation, internal rotation, and abduction of ROMs and Constant-Murley shoulder score were significantly greater in the IPR + EER group at 3 months (P < 0.001, P < 0.05, P < 0.001, P < 0.05, respectively) and 6 months after operation (P < 0.001, P < 0.05, P < 0.001, P < 0.05, respectively). At the last follow-up, there was no significant difference in forward flexion, internal rotation, and abduction of ROMs, VAS, and the Constant-Murley shoulder score between the IPR and IPR + EER groups. The external rotation of the IPR + EER group was still greater than that of the IPR group at the last follow-up (P < 0.001). CONCLUSION Arthroscopic extra-articular entire coracohumeral ligament release could solve early pain of shoulder joint, recover shoulder joint functions effectively, and achieve a satisfactory efficacy in the treatment of recalcitrant frozen shoulder.
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Affiliation(s)
- Dan‐mei Li
- Shoulder and Elbow Surgery CenterLuoyang Orthopedic Hospital of Henan Province & Orthopedic Hospital of Henan ProvinceLuoyangChina
| | - Chuan Zhang
- Shoulder and Elbow Surgery CenterLuoyang Orthopedic Hospital of Henan Province & Orthopedic Hospital of Henan ProvinceLuoyangChina
| | - Xian‐Xiang Xiang
- Department of Orthopedic SurgeryAffiliated Zhongshan Hospital of Dalian UniversityDalianChina
| | - Yong‐Feng Cheng
- Department of Orthopedic SurgeryXiangtan Hospital of Traditional Chinese MedicineXiangtanChina
| | - Lai‐Fu Zhang
- Shoulder and Elbow Surgery CenterLuoyang Orthopedic Hospital of Henan Province & Orthopedic Hospital of Henan ProvinceLuoyangChina
| | - Kun Ma
- Shoulder and Elbow Surgery CenterLuoyang Orthopedic Hospital of Henan Province & Orthopedic Hospital of Henan ProvinceLuoyangChina
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Lin MT, Yang SM, Wu HW, Chen YH, Wu CH. Utility of Ultrasound Elastography to Evaluate Poststroke Spasticity and Therapeutic Efficacy: A Narrative Review. J Med Ultrasound 2023; 31:171-177. [PMID: 38025006 PMCID: PMC10668905 DOI: 10.4103/jmu.jmu_106_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Accepted: 11/11/2022] [Indexed: 12/01/2023] Open
Abstract
Poststroke spasticity (PSS) is a common complication that affects function and daily self-care. Conservative PSS treatments include traditional rehabilitation, botulinum toxin injection, and extracorporeal shock wave therapy. Currently, the Modified Ashworth Scale and Modified Tardieu Scale are widely used tools to clinically evaluate spasticity, but the best tool for PSS assessment remained controversial. Ultrasound elastography (UE), including shear wave and strain image as the emerging method to evaluate soft tissue elasticity, became popular in clinical applications. Spastic biceps and gastrocnemius muscles were reported to be significantly stiffer compared to nonparetic muscles or healthy control using shear wave or strain elastography. More studies investigated the utility, reliability, and validity of UE in patients with PSS, but the contemporary consensus for the utility of UE in the measurement and therapeutic follow-up of PSS remained lacking. Therefore, this narrative review aimed to appraise the literature on the shear wave and strain elastography on PSS and summarize the roles of UE in assessing the therapeutic efficacy of different PSS interventions.
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Affiliation(s)
- Meng-Ting Lin
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Shu-Mei Yang
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan
| | - Hao-Wei Wu
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan
| | - Yen-Hua Chen
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan
| | - Chueh-Hung Wu
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
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Al Khayyat SG, Falsetti P, Conticini E, Frediani B, Galletti S, Stella SM. Adhesive capsulitis and ultrasound diagnosis, an inseparable pair: a novel review. J Ultrasound 2023; 26:369-384. [PMID: 36284048 PMCID: PMC10247624 DOI: 10.1007/s40477-022-00725-9] [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] [Received: 07/18/2022] [Accepted: 08/27/2022] [Indexed: 10/31/2022] Open
Abstract
PURPOSE Adhesive Capsulitis (AC) is a musculoskeletal disorder initially described by Codman in 1934. The disease is characterized by pain-limited restriction in active and passive glenohumeral range of motion (ROM) despite the lack of a structural deficit. In the last decades, arthroscopy and magnetic resonance imaging (MRI) has been the only diagnostic tools able to highlight the characteristic alterations of the glenohumeral capsular-ligament apparatus in AC; nevertheless, both arthroscopy and MRI are burdened by intrinsic limitations. The aim of this narrative review is to summarize the most significant evidence supporting the use of ultrasound (US) for the diagnosis of AC. METHODS We extensively searched via PubMed library the terms "frozen-shoulder" and "adhesive capsulitis" each combined with "ultrasound". RESULTS We found 3723 papers on PubMed and selected those inherent to AC diagnosis, US imaging, correlation with arthroscopic and MRI findings. Forty papers which were strictly related to the topic of this narrative review were initially chosen, then 20 studies which described and exploited US for AC diagnosis were finally included. Coracohumeral ligament (2.65 ± 0.4 mm) and axillary pouch thickening (3.34 ± 0.8 mm), as well as an increase in vascularity at rotator interval (78/214, 36.44%), represented the commonest US signs useful for AC diagnosis and for which the most significant cut-off values were reported. CONCLUSIONS The evidence collected in this review testify that musculoskeletal US is as reliable as MRI for AC diagnosis, therefore we believe that in this context US should be considered a first-line imaging technique.
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Affiliation(s)
- S G Al Khayyat
- Rheumatology Unit, Department of Medicine, Surgery and Neurosciences, University of Siena, Siena, Italy.
| | - P Falsetti
- Rheumatology Unit, Department of Medicine, Surgery and Neurosciences, University of Siena, Siena, Italy
| | - E Conticini
- Rheumatology Unit, Department of Medicine, Surgery and Neurosciences, University of Siena, Siena, Italy
| | - B Frediani
- Rheumatology Unit, Department of Medicine, Surgery and Neurosciences, University of Siena, Siena, Italy
| | - S Galletti
- Advanced Musculoskeletal Ultrasound, SIUMB School of Bologna, Maggiore Hospital, Bologna, Italy
| | - S M Stella
- SIUMB Advanced School for Musculoskeletal Ultrasound, Department of Clinical and Experimental Medicine, University Post-Graduate Course, Santa Chiara University Hospital, Pisa, Italy
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Ting DS, Yang JL, Lin KH, Wang TG, Lin JJ. Alteration in coracohumeral ligament and distance in people with symptoms of subcoracoid impingement. BMC Musculoskelet Disord 2023; 24:58. [PMID: 36683027 PMCID: PMC9869551 DOI: 10.1186/s12891-023-06152-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 01/09/2023] [Indexed: 01/24/2023] Open
Abstract
BACKGROUND Differentiation between subacromial impingement versus subcoracoid impingement are important for the treatment target. We evaluated the correlations between coracohumeral ligament (CHL) thickness and distance (CHD) and characterized the CHL and subscapularis (SSC) in subcoracoid impingement subjects. METHODS An observational, cross-sectional study was carried out. Twenty subcoracoid impingement subjects and age/gender matched controls were assessed in 4 different shoulder positions by ultrasonography. RESULTS Moderate correlations between CHL thickness with CHD (r = 0.455 in neutral rotation, p = 0.044; r = 0.483 in interior rotation, p = 0.031) were found in subacromial subjects. Subcoracoid impingement subjects had greater CHL thickness (difference = 0.3 mm, effect size = 0.85, p = 0.006), SSC tendon thickness (difference = 0.7 mm, effect size = 0.92, p = 0.01) and SSC/CHD occupation ratio (difference = 8%, effect size = 0.95, p = 0.005) compared with the control. CONCLUSIONS Coracohumeral distance is related to ligament thickness, especially in subacromial impingement subjects. Increased coracohumeral ligament and subscapularis thickness as well as decreased subscapularis/coracohumeral distance occupation ratio are characterized in subcoracoid impingement subjects. These quantitative measurements can be useful in identifying patients at risk of subcoracoid impingement from subacromial impingement.
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Affiliation(s)
- Deng Siang Ting
- grid.19188.390000 0004 0546 0241School and Graduate Institute of Physical Therapy, College of Medicine, National Taiwan University, Taipei City, Taiwan
| | - Jing-lan Yang
- grid.412094.a0000 0004 0572 7815Division of Physical Therapy, Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Taipei City, Taiwan
| | - Kwan-Hwa Lin
- grid.19188.390000 0004 0546 0241School and Graduate Institute of Physical Therapy, College of Medicine, National Taiwan University, Taipei City, Taiwan
| | - Tyng-Guey Wang
- grid.412094.a0000 0004 0572 7815Division of Physical Therapy, Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Taipei City, Taiwan
| | - Jiu-Jenq Lin
- grid.19188.390000 0004 0546 0241School and Graduate Institute of Physical Therapy, College of Medicine, National Taiwan University, Taipei City, Taiwan ,grid.412094.a0000 0004 0572 7815Division of Physical Therapy, Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Taipei City, Taiwan
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Chiu YH, Liao CL, Chien YH, Wu CH, Özçakar L. Sonographic evaluations of the skeletal muscles in patients with Pompe disease. Eur J Paediatr Neurol 2023; 42:22-27. [PMID: 36508847 DOI: 10.1016/j.ejpn.2022.12.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 11/17/2022] [Accepted: 12/05/2022] [Indexed: 12/12/2022]
Abstract
BACKGROUND Pompe disease usually has muscle weakness due to glycogen accumulation. Heckmatt scale is commonly used to grade the pertinent findings of ultrasound. Nonetheless, it is difficult to detect subtle changes of the muscle. Besides, no ultrasonographic parameter has been proposed to predict the motor functions of Pompe disease. Therefore, we aimed to find out an ultrasonographic parameter that can quantify the muscle involvement and correlate with the motor functions in Pompe disease. METHODS Eighteen patients with Pompe disease were enrolled. The echo heterogeneity index (standard deviation divided by mean echogenicity values by ImageJ analysis) and shear modulus were recorded from rectus femoris, biceps femoris, tibialis anterior, medial gastrocnemius, biceps brachii and triceps brachii muscles. Motor functions, including manual muscle strength, 6-min walk and four-limb stair climb tests were assessed. Correlations between ultrasonographic parameters and Heckmatt scale and motor functions were analyzed. RESULTS The echo heterogeneity index, but not the shear modulus, was negatively correlated with the Heckmatt scale rating in all muscles. The echo heterogeneity indices of tibialis anterior (r = 0.698, p = 0.008) and medial gastrocnemius (r = 0.615, p = 0.025) muscles showed positive correlations with the walking distance. Besides, the echo heterogeneity indices of four lower limb muscles were negatively correlated with the duration of stair climbing. CONCLUSION The echo heterogeneity index but not the shear modulus can be used to quantitatively describe the muscle involvement in Pompe disease. In addition, lower echo heterogeneity indices of lower limb muscles are associated with worse motor functions in these patients.
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Affiliation(s)
- Yi-Hsiang Chiu
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Chun-Li Liao
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Yin-Hsiu Chien
- Department of Pediatrics, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan; Department of Medical Genetics, National Taiwan University Hospital, Taipei, Taiwan
| | - Chueh-Hung Wu
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan; Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan.
| | - Levent Özçakar
- Department of Physical and Rehabilitation Medicine, Hacettepe University Medical School, Ankara, Turkey
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Wu CH. A few considerations on strain sonoelastographic measurements of quadriceps and patellar tendons in knee osteoarthritis. Rheumatol Int 2022; 43:983-984. [PMID: 36520175 DOI: 10.1007/s00296-022-05259-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 12/03/2022] [Indexed: 12/23/2022]
Affiliation(s)
- Chueh-Hung Wu
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, College of Medicine, National Taiwan University, 7 Zhongshan S. Rd, 100, Taipei, Taiwan.
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Yoshikawa T, Inui A, Mifune Y, Nishimoto H, Yamaura K, Mukohara S, Shinohara I, Hoshino Y, Matsuishita T, Kuroda R. Assessment of the Ulnar Collateral Ligament of the Elbow Using Ultrasonic Shear Wave Elastography in Professional Baseball Players. Orthop J Sports Med 2022; 10:23259671221138134. [PMID: 36532147 PMCID: PMC9756359 DOI: 10.1177/23259671221138134] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 09/08/2022] [Indexed: 01/30/2024] Open
Abstract
BACKGROUND Injury to the ulnar collateral ligament (UCL) of the elbow can cause chronic pain and loss of throwing ability. Ultrasonic shear wave elastography (SWE) is a new imaging method that can be used for quantitative assessment of tissue elasticity. PURPOSE To evaluate the properties of the UCL in professional baseball players using SWE. STUDY DESIGN Cross-sectional study; Level of evidence, 3. METHODS This study included 35 professional baseball players (mean age, 23.0 years) without elbow injuries. Both elbows of each player were examined using ultrasound, and comparisons between the dominant and nondominant arms were conducted. The thickness of the anterior bundle of the UCL at its midportion was measured in the resting position on ultrasound. We also measured the difference in the ulnohumeral joint space with and without gravity stress on the forearm. Tissue elasticity was evaluated using a built-in software program. The relationship between UCL elasticity and ultrasound findings was analyzed using the Pearson correlation coefficient. RESULTS The mean ± SD thickness of the UCL was significantly greater in the dominant arm versus the nondominant arm (6.0 ± 1.4 vs 5.3 ± 1.3 mm; P = .004). The mean joint space difference was significantly wider in the dominant arm as compared with the nondominant arm (0.81 ± 0.42 vs 0.52 ± 0.31 mm; P = .002), and the mean UCL elasticity was lower in the dominant arm than in the nondominant arm (34.9 ± 11.6 vs 43.3 ± 10.6 kPa; P = .002). UCL elasticity was negatively correlated with UCL thickness (r = -0.27; P = .02) and joint space difference (r = -0.34; P = .003). CONCLUSION In professional baseball players, the elbow UCL of the dominant arm demonstrated increased thickness, with a larger joint space gap on gravity stress and lower elasticity in SWE as compared with the nondominant arm. Greater medial joint laxity can be predicted by assessing the elasticity of the UCL using SWE.
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Affiliation(s)
- Tomoya Yoshikawa
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Atsuyuki Inui
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yutaka Mifune
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hanako Nishimoto
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kohei Yamaura
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shintaro Mukohara
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Issei Shinohara
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yuichi Hoshino
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takehiko Matsuishita
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Ryosuke Kuroda
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
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Shrestha-Taylor S, Clarke JL, Poulos A, Ginn K. Ultrasound Features for the Diagnosis of Adhesive Capsulitis/Frozen Shoulder: A Systematic Review. ULTRASOUND IN MEDICINE & BIOLOGY 2022; 48:2379-2397. [PMID: 36058800 DOI: 10.1016/j.ultrasmedbio.2022.07.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 07/02/2022] [Accepted: 07/06/2022] [Indexed: 06/15/2023]
Abstract
While ultrasound has become a preferred tool for musculoskeletal imaging, differing ultrasound findings that have been reported in patients with adhesive capsulitis can create confusion and misconceptions. This systematic review was aimed at summarizing all the ultrasound features currently described in the literature and providing a critical analysis of the sources to allow the readers to make a well-informed decision on the reliability of these features in the diagnosis of this condition. Databases were searched for original studies up to August 2021. Twenty-three studies were included. The QUADAS-2 (Quality Assessment of Diagnostic Accuracy Studies 2) tool was used to assess the quality of each selected article. Fourteen ultrasound features were identified. A quality analysis of all ultrasound features was performed using the GRADE (Grading of Recommendations, Assessment, Development and Evaluations) framework. All studies exhibited considerable heterogeneity in investigated ultrasound features and methodologies employed; therefore, meta-analysis was not considered to be appropriate. Hence, narrative synthesis was performed. The overall quality of each ultrasound outcome was found to be of "low" to "very low" level, and the generalisability of the results was also thought to be limited. Cautious interpretation and clinical correlation are recommended while applying these ultrasound features in clinical practice.
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Affiliation(s)
| | - Jillian L Clarke
- Discipline of Medical Imaging Science, Faculty of Medicine and Health, University of Sydney, Camperdown, New South Wales, Australia
| | - Ann Poulos
- Discipline of Medical Imaging Science, Faculty of Medicine and Health, University of Sydney, Camperdown, New South Wales, Australia
| | - Karen Ginn
- School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Camperdown, New South Wales, Australia
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Effectiveness of ultrasound-guided fascia hydrorelease on the coracohumeral ligament in patients with global limitation of the shoulder range of motion: a pilot study. Sci Rep 2022; 12:19782. [PMID: 36396688 PMCID: PMC9671893 DOI: 10.1038/s41598-022-23362-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 10/31/2022] [Indexed: 11/19/2022] Open
Abstract
We conducted a prospective single-arm interventional study of the treatment efficacy of ultrasound-guided fascia hydrorelease (US-FHR) on the coracohumeral ligament (CHL) of patients with global limitation of shoulder range of motion (ROM) without local inflammation. The primary outcome was the change in passive ROM (pROM) of external rotation (ER) after first US-FHR. Secondary outcomes included the change in pROM of other directions from baseline, the pain visual analogue scale (pVAS) at the timepoints after each procedure (first, second US-FHR and rehabilitation) as well as the change in the Shoulder Pain and Disability Index (SPADI) from the first to the second visit. Eleven patients underwent US-FHR. The pROM of ER after the 1st US-FHR changed by a median of 7.1° (p < 0.01). There was a statistically significant improvement in the pROM of flexion, extension, abduction, external rotation, and internal rotation from baseline to each timepoints. The pVAS at rest showed no significant improvement, although the pVAS at maximal ER showed a trend towards improvement. The SPADI score decreased by a median of 13.4 (p < 0.01). No adverse events were observed. US-FHR on the CHL with or without rehabilitation might be an effective, less invasive treatment for patients with global limitation of shoulder ROM.
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Zhang J, Zhang L, Guo F, Zhang T. Shear Wave Elastography of the Coracohumeral Ligament With Frozen Shoulder in Different Stages. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2022; 41:2527-2534. [PMID: 35005780 DOI: 10.1002/jum.15942] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 12/17/2021] [Accepted: 12/20/2021] [Indexed: 06/14/2023]
Abstract
OBJECTIVES To study the shear wave elastography (SWE) of the coracohumeral ligament (CHL) in different stages of frozen shoulder and to analyze its correlation with the visual analogue scale (VAS) score and shoulder range of motion (ROM). METHODS Sixty-four patients with frozen shoulder were divided into three stages: stage I (freezing phase), stage II (frozen phase), and stage III (thawing phase). The SWE of the CHL of the affected and healthy sides was measured and compared in the different stages. The VAS score and ROM of the affected side were evaluated, and their correlation with the SWE of the CHL was analyzed in the different stages. RESULTS In stage I frozen shoulder, the SWE of the CHL on the affected side was lower than that on the healthy side, while in stages II and III, the SWE on the affected side was higher (P = .001 for all). The SWE of the CHL of the affected side was different across the three stages; the SWE in stages II and III higher than that in stage I (P < .01), while the difference between stages II and III was not significant (P > .05). The SWE of the CHL of the affected side was negatively correlated with the VAS score but not with forward flexion (Ff), external rotation (Er) or internal rotation (Ir) in stage I; in stages II and III, it was positively correlated with the VAS score and negatively correlated with Ff, Er, and Ir. CONCLUSIONS The CHL stiffness of the affected side and its correlation with the shoulder VAS score and ROM are different for different stages of frozen shoulder.
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Affiliation(s)
- Jingfeng Zhang
- Department of Ultrasound, Baoji High-Tech Hospital, Baoji, China
| | - Lei Zhang
- Department of Radiology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
- Department of Radiology, Baoji High-Tech Hospital, Baoji, China
| | - Fanglan Guo
- Department of Ultrasound, Baoji High-Tech Hospital, Baoji, China
| | - Tian Zhang
- Department of Ultrasound, Baoji High-Tech Hospital, Baoji, China
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McKean D, Teh J. Imaging of the Long Head of Biceps Tendon and Rotator Interval. Semin Musculoskelet Radiol 2022; 26:566-576. [DOI: 10.1055/s-0042-1758850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
AbstractThis article reviews the imaging and common pathology of the long head of biceps tendon and rotator interval (RI). This area of complex anatomy plays a crucial role in normal shoulder function. Injury or abnormality of the RI may contribute to a range of shoulder pathology, such as biceps instability, tendinopathy, and frozen shoulder. Understanding the normal and pathologic appearances of the RI structures is crucial for a correct diagnosis and directing treatment.
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Affiliation(s)
- David McKean
- Stoke Mandeville Hospital, Buckinghamshire Healthcare NHS Trust, Aylesbury, United Kingdom
- Cleveland Clinic London, London, United Kingdom
| | - James Teh
- The Nuffield Orthopaedic Centre, Oxford University Hospitals NHS Trust, Oxford, United Kingdom
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Xu H, Zhang Y, Wang C. Ultrasound-guided hydrodilatation of glenohumeral joint combined with acupotomy for treatment of frozen shoulder. J Back Musculoskelet Rehabil 2022; 35:1153-1160. [PMID: 35213351 DOI: 10.3233/bmr-210272] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND Frozen shoulder (FS), also known as shoulder adhesive capsulitis, is a musculoskeletal disorder associated with pain and functional disability. There is a lack of evidence on the optimal treatment strategy for FS. OBJECTIVE The present study aimed to evaluate the effectiveness and safety of ultrasound-guided hydrodilatation of glenohumeral joint combined with acupotomy for treatment of FS. METHODS In this prospective randomized, double-blind, controlled study, 63 FS patients were recruited, and equally allocated to treatment group and control group. The treatment group was treated with ultrasound-guided hydrodilatation of glenohumeral joint combined with acupotomy, while the control group was only treated with ultrasound-guided hydrodilatation of glenohumeral joint. The pain and mobility of shoulder, overall efficacy and adverse reactions were evaluated 3 months after treatment. RESULTS At baseline, no significant difference in all characteristic value was found between the treatment group (n= 33) and control group (n= 30). Three months after operation, the joint's Active Range of Motion (AROM) and Constant-Murley Scale (CMS) scores in the experimental group were higher than those in the control group, and the coracohumeral ligament (CHL) thickness and the rate of hypoechoic thickening in rotator cuff space in the experimental group were lower than those in the control group (all P< 0.05). The amount of injection volume at the third hydrodilatation was significantly higher in the experimental group than that in the control group (15.8 ± 4.7 vs 12.2 ± 5.2, P= 0.03). After 2 times of treatment, the volume increment of glenohumeral joint Δ2 in the experimental group was greater than that in the control group (3.5 ± 1.8 vs 1.2 ± 1.6, P< 0.001). There were significant differences in the effective rate between the two groups (93.94% vs. 76.67%, P= 0.04). CONCLUSION The ultrasound-guided hydrodilatation of glenohumeral joint combined with acupotomy may benefit FS patients.
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Affiliation(s)
- Huajun Xu
- Department of Ultrasound, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China.,Department of Ultrasound, Huzhou Central Hospital, Suzhou, Jiangsu, China.,Department of Ultrasound, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Yingchun Zhang
- Department of Ultrasound, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China.,Department of Ultrasound, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Caishan Wang
- Department of Ultrasound, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
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Ozbalci AB, Piskin A. Clinical Significance of Shear Wave Ultrasound Elastography in Patients With Idiopathic Adhesive Capsulitis: Can It Be Used Instead of Magnetic Resonance Imaging as an Early Indicator? Ultrasound Q 2022; 38:250-256. [PMID: 35394993 DOI: 10.1097/ruq.0000000000000603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
ABSTRACT The aim of this study was to evaluate the elasticity of the supraspinatus (SSp) and infraspinatus (ISp) tendons and coracohumeral ligament (CHL), as well as the thickness of CHL in patients diagnosed with adhesive capsulitis (AC) using ultrasound (US) and 2D shear wave elastography (2D-SWE), determining their contributions to diagnosis and stage differentiation.This prospective case-control study was conducted between January 2020 and May 2021. In all cases, the ultrasound examinations were performed using the virtual touch quantification and expressed as shear wave velocity (SWV) in meters per second. After US examinations, magnetic resonance imaging (MRI) was planned for all cases.The measurements made in US and MRI revealed that CHL thicknesses and SWV values of CHL and SSp and ISp tendons were statistically substantially higher in the patient group. The diagnostic performance of 2D-SWE in predicting AC was evaluated using receiver operating characteristics curve analysis. When the cutoff value of the mean SWE for CHL was taken as 4.67 m/s, the sensitivity of SWE was found to be 90.2% and the specificity 85.7%.Our study results suggest that CHL thickness on B-mode US, as well as SWV values of CHL and SSp and ISp tendons in 2D-SWE examination, can be used as a useful tool for AC diagnosis without the need for MRI, a costly and time-consuming examination.
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Affiliation(s)
| | - Ahmet Piskin
- Department of Orthopedics and Traumatology, Ondokuz Mayıs University Faculty of Medicine, Samsun, Turkey
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17
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Wu CH, Chiu YH, Chang KV, Wu WT, Özçakar L. Ultrasound elastography for the evaluation of plantar fasciitis: A systematic review and meta-analysis. Eur J Radiol 2022; 155:110495. [PMID: 36037585 DOI: 10.1016/j.ejrad.2022.110495] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 06/30/2022] [Accepted: 08/17/2022] [Indexed: 11/03/2022]
Abstract
PURPOSE This meta-analysis aimed to investigate the utility of ultrasound (US) elastography in the assessment of plantar fasciitis (PF). METHODS We searched PubMed, Embase, and Scopus and systemically reviewed clinical studies that used US elastography for imaging PF. The primary outcome was the comparison of plantar fascia stiffness between healthy controls and patients with PF, quantified using the weighted mean difference (WMD) and standardized mean difference (SMD). RESULTS Eleven studies were included in the final systematic review and meta-analysis. In six studies that employed shear wave elastography, patients with PF had a lower shear wave velocity, with a WMD of -1.772 m/s (95 % confidence interval [CI], -2.663 to -0.880) and an SMD of -1.239 m/s (95 % CI, -1.876 to -0.603), compared to those with asymptomatic heels. One study using the strain ratio showed that the WMD and SMD of patients with diseased heels vs healthy controls were -0.400 (95 % CI, -0.850 to 0.050) and -0.442 (95 % CI, -0.946 to 0.062), respectively. In six articles that use the color histogram of strain elastography, less stiffness was consistently reported in the diseased plantar fascia compared with healthy controls. CONCLUSION This meta-analysis showed that the plantar fasciae were less stiff in the PF group than in asymptomatic subjects. The diagnostic performance of US elastography (over B-mode) warrants further investigation.
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Affiliation(s)
- Chueh-Hung Wu
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan; Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan
| | - Yi-Hsiang Chiu
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Ke-Vin Chang
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan; Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Bei-Hu Branch, Taipei, Taiwan; Center for Regional Anesthesia and Pain Medicine, Wang-Fang Hospital, Taipei Medical University, Taipei, Taiwan.
| | - Wei-Ting Wu
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Bei-Hu Branch, Taipei, Taiwan
| | - Levent Özçakar
- Department of Physical and Rehabilitation Medicine, Hacettepe University Medical School, Ankara, Turkey
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Age-related differences in glenohumeral internal rotation deficit, humeral retrotorsion angle, and posterior shoulder tightness in baseball players. J Shoulder Elbow Surg 2022; 31:1184-1192. [PMID: 34999235 DOI: 10.1016/j.jse.2021.12.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 11/24/2021] [Accepted: 12/04/2021] [Indexed: 02/01/2023]
Abstract
BACKGROUND Glenohumeral internal rotation deficit is generally recognized as a risk factor for throwing disability in baseball players. However, the pathology, timing of onset, role in the onset of humeral retrotorsion angle (HTA) and soft tissue extensibility (STE), and the relationship with age remain unclear. Therefore, the purpose of this cross-sectional study was to investigate age-related glenohumeral internal rotation deficit, HTA, and STE in Japanese baseball players and determine whether these factors correlate with throwing disability. METHODS Participants were 172 male baseball players divided into a symptomatic group (n = 68) and an asymptomatic group (n = 104). The mean age at examination was 15.4 ± 3.2 (range, 8-22) years. Measurement items were range of motion of bilateral internal and external rotation at 90° abduction (2ndIR and 2ndER, respectively), bilateral HTA, and posterior shoulder muscle elasticity. Correlations of age, symptom, and dominance with these measurements were investigated, and significant bilateral differences in HTA and STE by age and symptom were analyzed. RESULTS HTA and 2ndER of the dominant side were significantly greater than those of the nondominant side in those over the age of 13 years in both the asymptomatic and symptomatic groups. In contrast, 2ndIR of the dominant side was significantly smaller than that of the nondominant side in those over the age of 13 years in both the asymptomatic and symptomatic groups. The difference in HTA between the dominant and nondominant sides increased and then plateaued at 12° after the age of 16 years. STE was observed only in the symptomatic group, and the value of STE was significantly greater in players aged >16 years compared with that in players aged <12 years (P = .001). Muscle elasticity did not differ significantly between sides and showed no correlation with STE. CONCLUSIONS The difference in HTA between the dominant and nondominant sides increased with age until 16 years old regardless of symptoms. STE in the dominant side was observed only in symptomatic baseball players after the age of 13 years and increased with age, plateauing around the age of 16 years. Posterior shoulder muscle elasticity was not indicated as a cause of STE.
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Hermawan N, Ishii T, Saijo Y. Color Doppler shear wave elastography using commercial ultrasound machine with compensated transducer scanning delay. J Med Ultrason (2001) 2022; 49:163-173. [PMID: 35229246 DOI: 10.1007/s10396-022-01194-7] [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: 05/18/2021] [Accepted: 01/17/2022] [Indexed: 11/27/2022]
Abstract
PURPOSE Tissue elasticity can be measured and mapped using color Doppler elastography. In a previous study, a binary pattern of shear waves was observed using a color flow imaging (CFI) system with matched pulse Doppler packet size as well as shear wave frequency and displacement condition. In the present study, we demonstrate the possibility of mapping shear wave velocity and resolving phantom elasticity using any commercial ultrasound machine without fulfilling that condition. METHODS We derive a relation between Doppler autocorrelator integration time and the estimated flow velocity. The underlying principles behind the shear wave shadows captured by a typical modern ultrasound machine are investigated. The ultrasound machine measurement preset is calibrated to remove the effect of transducer array scanning delay in modifying the appearing wavenumber and thus correct the measurement error. RESULTS The method was used to successfully measure the elasticity of a biological tissue-mimicking phantom and distinguish a stiff phantom from a soft phantom. CONCLUSION Using this method, the elasticity of a biological tissue-mimicking phantom can be recovered with less strict constraint. As a result, it provides more flexibility to be implemented in common ultrasound machines. This method may be practically used to help identify tissue stiffness-related disease.
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Affiliation(s)
- Norma Hermawan
- Graduate School of Biomedical Engineering, Tohoku University, 6-6-12 Aramaki Aza Aoba, Aoba-ku, Sendai, Miyagi, 980-8579, Japan. .,Biomedical Engineering Department, Institut Teknologi Sepuluh Nopember, Gedung A, B, C, dan AJ, Kampus ITS Keputih, Sukolilo, Surabaya, Jawa Timur, 60111, Indonesia.
| | - Takuro Ishii
- Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, 6-3 Aramaki Aza Aoba, Aoba-ku, Sendai, 980-8578, Japan
| | - Yoshifumi Saijo
- Graduate School of Biomedical Engineering, Tohoku University, 6-6-12 Aramaki Aza Aoba, Aoba-ku, Sendai, Miyagi, 980-8579, Japan
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An exploratory study of two-dimensional shear-wave elastography in the diagnosis of acute compartment syndrome. BMC Surg 2021; 21:418. [PMID: 34911499 PMCID: PMC8672541 DOI: 10.1186/s12893-021-01420-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 11/30/2021] [Indexed: 11/10/2022] Open
Abstract
Background Two-dimensional shear-wave elastography (2D-SWE) is an ultrasound elastography technique that uses shear waves to quantitatively measure tissue stiffness and it has recently been developed as a safe, real-time, and noninvasive imaging technique. The purpose of this study was to investigate the value of 2D-SWE in the diagnosis and treatment of acute compartment syndrome (ACS). Methods 2D-SWE was used to measure the elasticity values of the main muscles in the superficial compartments of the calf in 212 healthy volunteers, and the difference in the muscle elasticity values between different gender and age groups were analyzed. Nine patients with clinical suspicion of ACS were included in this study and 2D-SWE was used to measure the elasticity values of the muscles on the affected and unaffected sides, and a comparative analysis was performed. Results The mean elasticity values of the tibialis anterior (TA), peroneus longus (PL), and gastrocnemius medialis (GA) muscles in the relaxed state of the 212 healthy volunteers were 25.4 ± 3.2 kPa, 15.7 ± 1.5 kPa, and 12.1 ± 2.1 kPa, respectively. No statistically significant differences was observed in the elasticity values of the same muscle under the state of relaxation in different gender and age groups (p > 0.05). A statistically significant difference in the elasticity values of the muscle between the affected and unaffected sides in the fasciotomy group (p < 0.05, n = 5) was observed. In contrast, no difference in the elasticity values of the muscle between the affected and unaffected sides in the conservative group (p > 0.05, n = 4) was observed. There was a statistically significant difference in the elasticity values of the muscle on the affected side in the two treatment groups (p < 0.05). Conclusions When the ACS occurs, the muscle elasticity of the affected limb increases significantly. 2D-SWE is expected to be a new noninvasive technique for the assessment of ACS and may provide a potential basis for clinical diagnosis and treatment.
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Hermawan N, Sato A, Fujiwara M, Ishii T, Hagiwara Y, Yamakoshi Y, Saijo Y. Binary Pattern Color Doppler Shear Wave Elastography . ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2021; 2021:3293-3296. [PMID: 34891944 DOI: 10.1109/embc46164.2021.9630967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Some studies suggested a correlation between tissue elasticity and diseases, such as Adhesive Capsulitis (AC) of the shoulder. One category of method to measure elasticity is by utilizing Doppler imaging. This paper discusses color Doppler shear wave elastography methods and demonstrated an experiment with biological tissue mimicking phantom. A simulation with binary pattern color Doppler shear wave elastography shows that wavelength of a shear wave with suggested magnitude is equal to four multiple of pitch strip in a color flow image. However, the larger amplitude changes the duty ratio and frequency of the pattern. An experiment with biological tissue mimicking Polyvinyl Alcohol (PVA) phantoms has shown that the binary pattern color Doppler method has successfully recovered shear wave velocity map and calculate the elasticity.Clinical Relevance-The result of experiments presents a possibility of using the method for quantitatively access the stage of tissue stiffness related disease.
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A Multisite Injection Is More Effective Than a Single Glenohumeral Injection of Corticosteroid in the Treatment of Primary Frozen Shoulder: A Randomized Controlled Trial. Arthroscopy 2021; 37:2031-2040. [PMID: 33581295 DOI: 10.1016/j.arthro.2021.01.069] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 01/18/2021] [Accepted: 01/25/2021] [Indexed: 02/02/2023]
Abstract
PURPOSE To investigate the possible effects of multisite injection therapy around the shoulder and prospectively compare the pain relief, range of motion (ROM), and functional scores of randomly selected patients with primary frozen shoulder using the American Shoulder and Elbow Surgeons score and the University of California-Los Angeles score after the completion of a standard physiotherapy program. METHODS Seventy-six patients with primary frozen shoulder were randomly divided into 2 groups based on the treatment: multisite injection and single injection. In the multisite-injection group, the glenohumeral joint and posteroinferior capsule, subacromial space, posterosuperior capsule, biceps long head, and coracohumeral ligament were injected with a combination of 2 mL of triamcinolone acetonide (40 mg/mL), 4 mL of bupivacaine (0.5%), and 34 mL of saline solution. The glenohumeral joint in the single-injection group was injected with 1 mL of triamcinolone acetonide (40 mg/mL) and 2 mL of bupivacaine (0.5%). Patients in both groups underwent physical therapy using the same protocol. Patients were evaluated for pain (visual analog scale score), functional status, and active and passive joint ROM at 1, 3, and 6 months and 1 year after the injection. RESULTS The follow-up rate was 82.6%, and significantly lower VAS scores were recorded in all periods in the multisite-injection group compared with the single-injection group (P = .01). In terms of active and passive ROM, the follow-up results were significantly better in the multisite-injection group (P < .05). Significantly higher functional scores were recorded in the multisite-injection group (P < .05). CONCLUSIONS Both treatments were effective in patients with primary frozen shoulder. However, the multisite-injection technique provided better pain palliation, better ROM restoration, and better functional results than the single glenohumeral injection in patients with primary frozen shoulder who were treated with the same physiotherapy regimen. LEVEL OF EVIDENCE Level I, prognostic comparative study.
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Gimber LH, Daniel Latt L, Caruso C, Nuncio Zuniga AA, Krupinski EA, Klauser AS, Taljanovic MS. Ultrasound shear wave elastography of the anterior talofibular and calcaneofibular ligaments in healthy subjects. J Ultrason 2021; 21:e86-e94. [PMID: 34258033 PMCID: PMC8264467 DOI: 10.15557/jou.2021.0017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 04/26/2021] [Indexed: 12/26/2022] Open
Abstract
Aim of study Most sprained lateral ankle ligaments heal uneventfully, but in some cases the ligament’s elastic function is not restored, leading to chronic ankle instability. Ultrasound shear wave elastography can be used to quantify the elasticity of musculoskeletal soft tissues; it may serve as a test of ankle ligament function during healing to potentially help differentiate normal from ineffective healing. The purpose of this study was to determine baseline shear wave velocity values for the lateral ankle ligaments in healthy male subjects, and to assess inter-observer reliability. Material and methods Forty-six ankles in 23 healthy male subjects aged 20–40 years underwent shear wave elastography of the lateral ankle ligaments performed by two musculoskeletal radiologists. Each ligament was evaluated three times with the ankle relaxed by both examiners, and under stress by a single examiner. Mean shear wave velocity values were compared for each ligament by each examiner. Inter-observer agreement was evaluated. Results The mean shear wave velocity at rest for the anterior talofibular ligament was 2.09 ± 0.3 (range 1.41–3.17); and for the calcaneofibular ligament 1.99 ± 0.36 (range 1.29–2.88). Good inter-observer agreement was found for the anterior talofibular ligament and calcaneofibular ligament shear wave velocity measurements with the ankle in resting position. There was a significant difference in mean shear wave velocities between rest and stressed conditions for both anterior talofibular ligament (2.09 m/s vs 3.21 m/s; p <0.001) and calcaneofibular ligament (1.99 m/s vs 3.42 m/s; p <0.0001). Conclusion Shear wave elastography shows promise as a reproducible method to quantify ankle ligament stiffness. This study reveals that shear waves velocities of the normal lateral ankle ligaments increased with applied stress compared to the resting state.
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Affiliation(s)
- Lana H Gimber
- Department of VA - Menlo Park Campus, Uniformed Services University, National Teleradiology Program, United States
| | - L Daniel Latt
- Department of Orthopaedic Surgery, The University of Arizona College of Medicine Banner-University Medical Center, United States
| | - Chelsea Caruso
- Department of Medical Imaging, The University of Arizona College of Medicine Banner-University Medical Center, United States
| | | | | | | | - Mihra S Taljanovic
- Department of Medical Imaging, The University of Arizona College of Medicine Banner-University Medical Center, United States
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Do JG, Hwang JT, Yoon KJ, Lee YT. Correlation of Ultrasound Findings With Clinical Stages and Impairment in Adhesive Capsulitis of the Shoulder. Orthop J Sports Med 2021; 9:23259671211003675. [PMID: 33997079 PMCID: PMC8113659 DOI: 10.1177/23259671211003675] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 12/15/2020] [Indexed: 11/22/2022] Open
Abstract
Background: Ultrasound is an essential tool for diagnosing shoulder disorders. However, the role of ultrasound in assessing and diagnosing adhesive capsulitis has not been fully studied. Purpose: To evaluate the ultrasound features of adhesive capsulitis and estimate the correlations between clinical impairment and ultrasound parameters. Study Design: Case series; Level of evidence, 4. Methods: A total of 61 patients with clinically diagnosed unilateral adhesive capsulitis were retrospectively reviewed using high-resolution ultrasound. To compare ultrasound parameters, we performed ultrasound examinations on both affected and unaffected shoulders. Ultrasound parameters, including thickness of the coracohumeral ligament (CHL), rotator interval (RI), axillary recess (AR), hypervascularity of the RI, and effusion of the long head of the biceps tendon sheath, were measured. Passive range of motion (PROM), visual analog scale for pain, and the Shoulder Pain and Disability Index were used for clinical assessment. Results: The CHL, the RI, and the AR in affected shoulders were significantly thicker than in unaffected shoulders (P < .05). CHL thickness in affected shoulders was significantly correlated with PROM limitation, which included forward elevation, abduction, external rotation (ER), and internal rotation (IR) (P < .05). AR thickness correlated with passive forward elevation limitation and passive IR limitation (P < .05). The CHL was significantly thicker in stage 2 compared with stage 1, and the RI was thicker in stage 2 compared with stage 3. The diagnostic cutoff values for adhesive capsulitis were 2.2 mm for CHL thickness (77% sensitivity, 91.8% specificity) and 4 mm for AR thickness (68.9% sensitivity, 90.2% specificity). Conclusion: The ultrasound parameters associated with structural changes were correlated with clinical characteristics of adhesive capsulitis. Thickened CHL, RI, and AR were observed in affected shoulders. The cutoff values of 2.2 mm for CHL thickness and 4 mm for AR thickness can be used as cutoff diagnostic values for adhesive capsulitis.
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Affiliation(s)
- Jong Geol Do
- Department of Physical and Rehabilitation Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Jin Tae Hwang
- Department of Physical and Rehabilitation Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Kyung Jae Yoon
- Department of Physical and Rehabilitation Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Yong-Taek Lee
- Department of Physical and Rehabilitation Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
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Bang JY, Hahn S, Yi J, Lim YJ, Jung HK. Clinical applicability of shear wave elastography for the evaluation of medial epicondylitis. Eur Radiol 2021; 31:6726-6735. [PMID: 33634322 DOI: 10.1007/s00330-021-07791-3] [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: 08/05/2020] [Revised: 01/26/2021] [Accepted: 02/15/2021] [Indexed: 10/22/2022]
Abstract
OBJECTIVES To evaluate the ability of shear wave elastography (SWE) in diagnosing medial epicondylitis and to compare the diagnostic performance of SWE with that of grey-scale ultrasound (GSU) and strain elastography (SE). METHODS GSU, SE, and SWE were performed on 61 elbows of 54 patients from March 2018 to April 2019. An experienced radiologist evaluated the GSU findings (swelling, cortical irregularity, hypoechogenicity, calcification, and tear), colour Doppler findings (hyperaemia), SE findings (strain ratio [SR]), and SWE findings (stiffness and shear wave velocity [SWV]). Participants were divided in two groups: patients with clinically diagnosed medial epicondylitis and patients without medial elbow pain. Findings from the two groups were compared, and the receiver operating characteristic (ROC) curves were calculated for significant features. RESULTS Of the 54 patients, 25 patients with 28 imaged elbows were clinically diagnosed with medial epicondylitis and 29 patients with 33 imaged elbows had no medial elbow pain. Cortical irregularity, hypoechogenicity, calcification, hyperaemia, SR, stiffness, and SWV were significantly different between the two groups. The areas under the ROC curves were 0.838 for hypoechogenicity, 0.948 for SR, 0.999 for stiffness, and 0.999 for SWV. The diagnostic performances of SR, stiffness, and SWV were significantly superior compared to that of hypoechogenicity. However, there were no significant differences among SR, stiffness, and SWV. CONCLUSIONS SWE can obtain both stiffness and SWV, which are valuable diagnostic tools in the diagnosis of medial epicondylitis. The diagnostic performance of SWE and SE is similar in detecting medial epicondylitis. KEY POINTS • Shear wave elastography providing stiffness and shear wave velocity showed excellent performance in the diagnosis of medial epicondylitis. • There was no significant difference in the ability of SE and SWE for diagnosing medial epicondylitis.
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Affiliation(s)
- Jin-Young Bang
- Department of Orthopaedic Surgery, Inje University College of Medicine, Haeundae Paik Hospital, 875 Haeundae-ro, Haeundae-gu, Busan, 48108, Republic of Korea
| | - Seok Hahn
- Department of Radiology, Inje University College of Medicine, Haeundae Paik Hospital, 875 Haeundae-ro, Haeundae-gu, Busan, 48108, Republic of Korea.
| | - Jisook Yi
- Department of Radiology, Inje University College of Medicine, Haeundae Paik Hospital, 875 Haeundae-ro, Haeundae-gu, Busan, 48108, Republic of Korea
| | - Yun-Jung Lim
- Department of Radiology, Inje University College of Medicine, Haeundae Paik Hospital, 875 Haeundae-ro, Haeundae-gu, Busan, 48108, Republic of Korea
| | - Hyun Kyung Jung
- Department of Radiology, Inje University College of Medicine, Haeundae Paik Hospital, 875 Haeundae-ro, Haeundae-gu, Busan, 48108, Republic of Korea
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McKean D, Chung SL, Naudé RTW, McElroy B, Baxter J, Pendse A, Papanikitas J, Teh J, Hughes R. Elasticity of the coracohumeral ligament in patients with frozen shoulder following rotator interval injection: a case series. J Ultrason 2021; 20:e300-e306. [PMID: 33500798 PMCID: PMC7830058 DOI: 10.15557/jou.2020.0052] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 09/05/2020] [Indexed: 11/22/2022] Open
Abstract
Aim of the study: To evaluate changes in the elasticity of the coracohumeral ligament in patients with adhesive capsulitis of the shoulder treated with ultrasound-guided rotator interval injections. Methods: Shear wave elastography was used to evaluate elasticity of the coracohumeral ligament in symptomatic and asymptomatic shoulders in the shoulder-neutral position and 30° external rotation. A total of 24 shoulders were assessed. Symptomatic shoulders were treated with targeted steroid injection via the rotator interval and manipulation under local anaesthetic block. Follow-up assessment of the elasticity of the coracohumeral ligament was obtained at 10 weeks post-injection. Results: In all subjects, the coracohumeral ligament elastic modulus was larger at 30° external rotation than in the neutral position. In patients with adhesive capsulitis, the coracohumeral ligament thickness and elastic modulus was significantly greater in the symptomatic shoulder in the neutral position and 30° ER. Treated patients had an excellent response with improved Oxford Shoulder Score and reduced visual analogue scale pain scores. Median Oxford Shoulder Score was 13.5 pre-injection and 34 at 10 weeks post-injection. Median visual analogue scale pain scores measured 8.5 pre-injection, 3.5 at 1 day, 2 at 1 week, and 2.5 at 10 weeks. Improved Oxford Shoulder Score and visual analogue scale pain score was associated with a trend to normalisation of the elastic modus of the coracohumeral ligament. Conclusion: In patients with adhesive capsulitis of the shoulder, shear wave elastography demonstrated the coracohumeral ligament is stiffer in the symptomatic shoulder than in the unaffected shoulder. Treatment with the ultrasound-guided rotator interval injection is associated with improved Oxford Shoulder Score, reduced visual analogue scale pain scores, and reduced stiffness in the coracohumeral ligament.
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Affiliation(s)
- David McKean
- Radiology Department, Stoke Mandeville Hospital, Buckinghamshire Healthcare NHS Trust, UK
| | - Siok Li Chung
- Radiology Department, Stoke Mandeville Hospital, Buckinghamshire Healthcare NHS Trust, UK
| | - Rebecca Te Water Naudé
- Radiology Department, Nuffield Orthopaedic Centre, Oxford University Hospitals NHS Trust, UK
| | - Bernard McElroy
- Orthopaedic Department, Chiltern Hospital, Great Missenden, UK
| | - Jonathan Baxter
- Orthopaedic Department, Buckinghamshire Healthcare NHS Trust, UK
| | - Aniruddha Pendse
- Orthopaedic Department, Buckinghamshire Healthcare NHS Trust, UK
| | - Joseph Papanikitas
- Radiology Department, Stoke Mandeville Hospital, Buckinghamshire Healthcare NHS Trust, UK
| | - James Teh
- Radiology Department, Nuffield Orthopaedic Centre, Oxford University Hospitals NHS Trust, UK
| | - Richard Hughes
- Radiology Department, Stoke Mandeville Hospital, Buckinghamshire Healthcare NHS Trust, UK
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Correlations Between Range of Motion and Elasticity of the Coracohumeral Ligament Evaluated With Shear-Wave Elastography. J Sport Rehabil 2021; 30:9-15. [DOI: 10.1123/jsr.2019-0279] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Revised: 10/19/2019] [Accepted: 11/30/2019] [Indexed: 11/18/2022]
Abstract
Context: Range of motion (ROM) in the glenohumeral joint decreases with age in healthy subjects; however, the underlying mechanism remains unclear. The process of aging of the joint capsule, including the coracohumeral ligament (CHL), could affect ROM limitation. Objective: This study investigated correlations between elasticity of the CHL, evaluated by means of shear-wave elastography, and age, side dominance, and ROM in healthy individuals. Design: Experimental study. Setting: Laboratory. Subjects: Eighty-four healthy volunteers (39 men and 45 women, mean age: 42.6 y) were included. Main Outcome Measures: Subjects were divided into 3 age groups: younger (20–39 y), middle (40–59 y), and older (≥60 y) age groups. With participants in the supine position, CHL elasticity in both shoulders was evaluated in both neutral and 30° external rotation, with arms at the sides. ROM, including forward flexion, lateral elevation, external rotation, 90° abduction with external rotation, and hand behind the back were measured with participants in the standing position. Results: The CHL elastic modulus was higher in the older group than in the younger group in the neutral (78.4 kPa [SD: 37.1] and 56.6 kPa [SD: 31.7], respectively) and 30° external rotation positions (135.5 kPa [SD: 63.5] and 71.4 kPa [SD: 32.2], respectively). Negative correlations were found between the CHL elastic modulus and ROM in terms of 30° external rotation and both external rotation (R = −.59, P = .02) and 90° abduction with external rotation (R = −.71, P = .003) in the older group, with correlation coefficients increasing with age. Conclusions: Significant correlations were identified between CHL elasticity and ROM in both external rotation and 90° abduction with external rotation with increasing age. Decreased CHL elasticity was strongly associated with decreased shoulder ROM in middle-aged and older individuals.
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Wahezi S, Yerra S, Rivelis Y, Sitapara K, Gonzalez D, Downie S, Jain R, Deer T, Abd-Elsayed A, Gulati A. Sonographically Guided Percutaneous Sectioning of the Coracohumeral Ligament for the Treatment of Refractory Adhesive Capsulitis: Proof of Concept. PAIN MEDICINE 2020; 21:3314-3319. [PMID: 32869096 DOI: 10.1093/pm/pnaa262] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
INTRODUCTION Treatment options are limited for nonsurgical chronic refractory cases of adhesive capsulitis. We describe a novel percutaneous tenotomy technique for coracohumeral ligament interruption with cadaveric validation. OBJECTIVE The objective of this study was to describe and validate a novel technique for percutaneous interruption of the coracohumeral ligament. DESIGN Cadaveric study. SETTING Academic tertiary care center. METHODS Eight cadavers underwent ultrasound (US)-guided percutaneous incision of the coracohumeral (CHL) ligament. Performance of the procedure requires that the practitioner make oscillatory motions with a needle that uses ultrasound energy to cut through tissue. Each pass removes a pinhead-sized amount of tissue. The number of passes and the cutting time are recorded during the procedure. As a standard for this procedure does not exist, the authors created their own based on the preclinical information presented here. Postprocedure dissection was performed to assess the extent of CHL interruption and injury to surrounding tissue. RESULTS The average resection time was seven minutes, requiring 500 passes. The technique described in this paper completely interrupted the CHL in all subjects. Cadaveric analysis demonstrated interruption of the CHL with respect to control shoulders requiring an average of seven minutes of cutting time and ∼500 micro-perforations. CONCLUSION US-guided percutaneous CHL ligament sectioning is possible with a commercially available ultrasonic probe.
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Affiliation(s)
| | | | | | | | | | | | | | - Tim Deer
- The Spine and Nerve Centers of Virginias, Charleston, West Virginia
| | | | - Amit Gulati
- Memorial Sloan Kettering Cancer Center, New York City, New York, USA
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Xiao Y, Wang C, Sun Y, Zhang X, Cui L, Yu J, Zheng H. Quantitative Estimation of Passive Elastic Properties of Individual Skeletal Muscle in Vivo Using Normalized Elastic Modulus-Length Curve. IEEE Trans Biomed Eng 2020; 67:3371-3379. [DOI: 10.1109/tbme.2020.2985724] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Are clinical outcomes of frozen shoulder linked to pain, structural factors or pain-related cognitions? An explorative cohort study. Musculoskelet Sci Pract 2020; 50:102270. [PMID: 33068903 DOI: 10.1016/j.msksp.2020.102270] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 09/03/2020] [Accepted: 10/05/2020] [Indexed: 11/21/2022]
Abstract
BACKGROUND In frozen shoulder (FS), inflammatory-fibrotic adaptations in capsuloligamentous structures are typically linked to perceived glenohumeral stiffness, glenohumeral range of motion (ROM) restrictions and decreased arm function. However, ROM restrictions based on muscle guarding are suggested as well. OBJECTIVES To assess differences between pain, perceived stiffness, ROM restrictions and arm function at time of diagnosis and at four months follow-up and to assess whether perceived stiffness, ROM restrictions and arm function relate to pain, structural and/or cognitive factors. DESIGN observational cohort study. METHODS In persons with idiopathic FS, pain intensity at rest/at night/during activities (Numeric Rating Scale), perceived stiffness (Numeric Rating Scale), abduction/external rotation ROM (goniometry), and function (Disabilities of the Arm, Shoulder and Hand Questionnaire) were compared between both time points (Wilcoxon-signed rank tests). Spearman correlation coefficients assessed the relation between perceived stiffness, ROM and function on the one hand and structural factors (coracohumeral ligament (CHL) thickness and inferior glenohumeral recess (IGR) perimeter - arthroMRI), pain intensity and pain-related cognitions (Pain Catastrophizing Scale, Tampa Scale for Kinesiophobia) on the other hand. RESULTS Twenty persons participated (14 female; 56±8yrs) and three persons dropped out at 4 months. Pain intensity, perceived stiffness, ROM and arm function improved over time. ROM was related to CHL-thickness and IGR-perimeter; perceived stiffness was related to pain intensity; and arm function was related to pain intensity and pain-related cognitions. CONCLUSION Objectively measured ROM is related to structural factors, while patient-reported outcomes are related to pain intensity and/or pain-related cognitions. Perceived stiffness does not relate to structural factors.
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Association of Clinical Assessments of Hand Function and Quantitative Ultrasound Metrics in First Carpometacarpal Osteoarthritis. HSS J 2020; 16:420-424. [PMID: 33380976 PMCID: PMC7749908 DOI: 10.1007/s11420-020-09795-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 08/20/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND Thumb carpometacarpal (CMC) osteoarthritis (OA), a degenerative condition affecting hand use, is typically evaluated through radiographs and clinical examination. Although this can determine treatment, it is difficult to evaluate functional limitations. Shear wave elastography (SWE) is a quantitative ultrasound technique that characterizes tissue stiffness. QUESTIONS/PURPOSES This pilot study aimed to establish data of the SWE findings in the thenar eminence muscles in patients with first CMC OA and correlate these findings with the clinical tests of hand function. METHODS This cross-sectional study correlated the SWE stiffness of thenar eminence muscles to clinical tests of hand function in patients with first CMC OA and in asymptomatic control subjects, using Spearman's correlation coefficient. Mean SWE values of the thenar eminence muscles in patients were compared with those in control subjects. The study was performed in a non-profit tertiary care hospital setting. Patients and control subjects were recruited on a volunteer basis. RESULTS SWE values in the abductor pollicis brevis and flexor pollicis brevis muscles showed moderate to very strong correlation with multiple measures of hand function. Mean SWE values of the thenar eminence muscles in first CMC OA patients were lower than those in asymptomatic control subjects. CONCLUSIONS Correlations between mean SWE values in the thenar eminence muscles and clinical measures of hand function suggest decreased function in subjects with less stiff thenar eminence muscles.
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Kim JH, Kim SH, Kim HR, Lee SH, Yoon SY, Yang JH, Yoo YB, Park KS, Nam SE, Hong S, Min HK. Ultrasonographic evaluation of chronic shoulder pain after breast cancer surgery: single center, cross-sectional study. Sci Rep 2020; 10:16792. [PMID: 33033299 PMCID: PMC7546622 DOI: 10.1038/s41598-020-73769-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 09/22/2020] [Indexed: 12/20/2022] Open
Abstract
Chronic shoulder pain is a common complication in breast cancer patients after surgery. Chronic shoulder pain after breast cancer surgery was formerly considered as neuropathic pain, however the pathophysiology including structural damages has not been assessed comprehensively. We hypothesized that the structural change could be one of the cause of shoulder pain after breast cancer surgery and evaluated various ultrasonography findings of the shoulder in breast cancer patients with chronic shoulder pain. Patients who were suffering from chronic shoulder pain on unilateral side for at least 3 months after breast cancer surgery were enrolled from a single tertiary hospital. Demographic and clinical data were collected at the baseline. Articular and adjacent structures of both shoulders (painful and contralateral side) were evaluated by ultrasonography. The ultrasonography findings were compared between painful and contralateral sides. Logistic regression analysis was performed to determine the factors associated with abnormal ultrasonography findings. Fifty-two female patients (average age of 55) were enrolled. Significantly more abnormal ultrasonography findings were observed in the painful side than in the contralateral side [39 (75.0%) vs 11 (21.2%), P < 0.001]. The coracohumeral ligament was significantly thicker in the painful side than in the contralateral side (2.48 ± 0.69 vs 1.54 ± 1.25 mm, P < 0.001); adhesive capsulitis was also more frequent in the painful side [14 (26.9%) vs 0, P < 0.001]. Furthermore, patients with a history of breast cancer surgery on the ipsilateral side were associated with abnormal ultrasonography findings and adhesive capsulitis. This study is the first to evaluate ultrasonography in patients with chronic shoulder pain after breast cancer surgery. The results showed that ultrasonography could reveal several structural problems in these patients.
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Affiliation(s)
- Jung Hun Kim
- Department of Internal Medicine, Konkuk University Medical Center, Seoul, 05030, Republic of Korea
| | - Se Hee Kim
- Division of Rheumatology, Department of Internal Medicine, Konkuk University Medical Center, 120-1 Neungdong-ro (Hwayang-dong), Gwangjin-gu, Seoul, 05030, Republic of Korea
| | - Hae-Rim Kim
- Division of Rheumatology, Department of Internal Medicine, Research Institute of Medical Science, Konkuk University School of Medicine, Seoul, 05030, Republic of Korea
| | - Sang-Heon Lee
- Division of Rheumatology, Department of Internal Medicine, Research Institute of Medical Science, Konkuk University School of Medicine, Seoul, 05030, Republic of Korea
| | - So Young Yoon
- Division of Oncology, Department of Internal Medicine, Research Institute of Medical Science, Konkuk University School of Medicine, Seoul, 05030, Republic of Korea
| | - Jung-Hyun Yang
- Department of Surgery, Konkuk University School of Medicine, Seoul, 05030, Republic of Korea
| | - Young Bum Yoo
- Department of Surgery, Konkuk University School of Medicine, Seoul, 05030, Republic of Korea
| | - Kyoung Sik Park
- Department of Surgery, Konkuk University School of Medicine, Seoul, 05030, Republic of Korea
| | - Sang Eun Nam
- Department of Surgery, Konkuk University School of Medicine, Seoul, 05030, Republic of Korea
| | - Semie Hong
- Department of Radiation Oncology, Konkuk University Medical Center, Seoul, 05030, Republic of Korea
| | - Hong Ki Min
- Division of Rheumatology, Department of Internal Medicine, Konkuk University Medical Center, 120-1 Neungdong-ro (Hwayang-dong), Gwangjin-gu, Seoul, 05030, Republic of Korea.
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Gitto S, Messina C, Vitale N, Albano D, Sconfienza LM. Quantitative Musculoskeletal Ultrasound. Semin Musculoskelet Radiol 2020; 24:367-374. [PMID: 32992365 DOI: 10.1055/s-0040-1709720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Ultrasound (US) imaging plays a crucial role in the assessment of musculoskeletal (MSK) disorders. Several quantitative tools are offered by US systems and add information to conventional US imaging. This article reviews the quantitative US imaging tools currently available in MSK radiology, specifically focusing on the evaluation of elasticity with shear-wave elastography, perfusion with contrast-enhanced US and noncontrast superb microvascular imaging, and bone and muscle mass with quantitative US methods. Some of them are well established and already of clinical value, such as elasticity and contrast-enhanced perfusion assessment in muscles and tendons. MSK radiologists should be aware of the potential of quantitative US tools and take advantage of their use in everyday practice, both for clinical and research purposes.
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Affiliation(s)
- Salvatore Gitto
- Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Milano, Italy
| | - Carmelo Messina
- Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Milano, Italy.,IRCCS Istituto Ortopedico Galeazzi, Milano, Italy
| | - Nicoló Vitale
- Scuola di Specializzazione in Medicina Fisica e Riabilitativa, Dipartimento di Scienze Biomediche e Biotecnologiche, Università Degli Studi di Catania, Catania, Italy
| | - Domenico Albano
- IRCCS Istituto Ortopedico Galeazzi, Milano, Italy.,Sezione di Scienze Radiologiche, Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata, Università degli Studi di Palermo, Palermo, Italy
| | - Luca Maria Sconfienza
- Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Milano, Italy.,IRCCS Istituto Ortopedico Galeazzi, Milano, Italy
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Utility of sonoelastography for the evaluation of rotator cuff tendon and pertinent disorders: a systematic review and meta-analysis. Eur Radiol 2020; 30:6663-6672. [PMID: 32666319 DOI: 10.1007/s00330-020-07059-2] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 05/17/2020] [Accepted: 07/01/2020] [Indexed: 12/21/2022]
Abstract
OBJECTIVES Sonoelastography has been increasingly used to investigate musculoskeletal disorders. The aim of this meta-analysis was to investigate the utility of sonoelastography in diagnosing rotator cuff tendon pathology and pertinent disorders. METHODS Searching through PubMed and Embase, we systemically reviewed clinical studies in which sonoelastography has been used for imaging rotator cuff tendon pathology and relevant disorders. The primary outcome was the standardized mean difference (SMD) of tendon elasticity between shoulders (or patients) with and without the designated pathological conditions. RESULTS A total of 11 cross-sectional studies were included in the meta-analysis. The supraspinatus and infraspinatus tendons assessed by shear wave sonoelastography were likely to be stiffer in shoulders with adhesive capsulitis, with a SMD of 2.103 (95% confidence interval (CI), - 0.151 to 4.357, p = 0.067) and a SMD of 1.548 (95% CI, - 0.032 to 3.127, p = 0.055), respectively. Regarding rotator cuff tendinopathy, there was no significant difference in the elasticity of supraspinatus tendons evaluated by shear wave velocity (SMD = - 0.107; 95% CI, - 0.524 to 0.310, p = 0.615) or strain ratios (SMD = 0.153, 95% CI, - 2.134 to 2.440, p = 0.896). Only one study used shear wave sonoelastography to investigate patients with rotator cuff tendon tears and found tendon that elasticity was similar between diseased and normal shoulders. CONCLUSION This meta-analysis revealed that supraspinatus and infraspinatus tendons tended to be stiffer in shoulders with adhesive capsulitis. Furthermore, no significant difference in tendon elasticity could be identified between shoulders with and without rotator cuff tendinopathy or tendon tears. KEY POINTS • Supraspinatus and infraspinatus tendons are likely to have decreased elasticity in shoulders with adhesive capsulitis, as assessed by shear wave sonoelastography. • There was no significant difference in tendon elasticity between shoulders with and without rotator cuff tendinopathy or tendon tears when evaluated by strain and shear wave sonoelastography.
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Yun SJ, Jin W, Cho NS, Ryu KN, Yoon YC, Cha JG, Park JS, Park SY, Choi NY. Shear-Wave and Strain Ultrasound Elastography of the Supraspinatus and Infraspinatus Tendons in Patients with Idiopathic Adhesive Capsulitis of the Shoulder: A Prospective Case-Control Study. Korean J Radiol 2020; 20:1176-1185. [PMID: 31270981 PMCID: PMC6609436 DOI: 10.3348/kjr.2018.0918] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2018] [Accepted: 04/04/2019] [Indexed: 01/05/2023] Open
Abstract
Objective To compare the elasticity of the supraspinatus tendon (SST) and infraspinatus tendon (IST) in patients with idiopathic adhesive capsulitis of the shoulder (ACS) with those in the control groups and to evaluate the relationship between age and tendon elasticity. Materials and Methods The Institutional Review Board approved this prospective, case-control study, which was conducted between November 2017 and March 2018, and informed consent was obtained from all participants. Control groups comprised healthy individuals or those with asymptomatic contralateral shoulders. Twenty-five shoulders in 20 participants in the ACS group (14 women; 53.5 ± 7.9 years) and 24 shoulders in 18 participants in the control group (6 women; 52.6 ± 10.5 years) were included. Elastography was performed in the oblique coronal plane at the neutral shoulder position. Mean/maximum/minimum velocity and stiffness from the shear-wave ultrasound elastography (SWE) and strain ratio (subcutaneous fat/target-tendon) from the strain ultrasound elastography (SE) of the SST and IST were evaluated. Statistical analyses were performed using the Mann-Whitney U test, receiver operating characteristic (ROC) curve, and Spearman correlation. Results Both velocity and stiffness in SWE were higher, and the strain ratio in SE was lower in participants with symptomatic shoulders than in those with normal shoulders (p < 0.001). SST- and IST-mean velocity, mean stiffness, and strain ratios showed excellent area under the ROC curve (> 0.970). The elastic modulus was little correlated with age (ρ = −0.340–0.239). Conclusion SWE and SE indicated that SST and IST were stiffer in patients with ACS than in those with normal shoulders regardless of aging.
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Affiliation(s)
- Seong Jong Yun
- Department of Radiology, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, Seoul, Korea
| | - Wook Jin
- Department of Radiology, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, Seoul, Korea.
| | - Nam Su Cho
- Department of Orthopaedic Surgery, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, Seoul, Korea
| | - Kyung Nam Ryu
- Department of Radiology, Kyung Hee University Hospital, Seoul, Korea
| | - Young Cheol Yoon
- Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Jang Gyu Cha
- Department of Radiology, Soonchunhyang Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Korea
| | - Ji Seon Park
- Department of Radiology, Kyung Hee University Hospital, Seoul, Korea
| | - So Young Park
- Department of Radiology, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, Seoul, Korea
| | - Na Young Choi
- Department of Medicine, Graduate School, Kyung Hee University, Seoul, Korea
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Wu J, Qian Z, Liang W, Liu J, Ren L, Ren L. In vivo assessment of material properties of muscles and connective tissues around the knee joint based on shear wave elastography. J Mech Behav Biomed Mater 2020; 109:103829. [PMID: 32543400 DOI: 10.1016/j.jmbbm.2020.103829] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 04/21/2020] [Accepted: 04/22/2020] [Indexed: 01/11/2023]
Abstract
Previous studies on knee biomechanics have mainly focused on the joint structure itself, largely neglecting the material properties of the muscles and connective tissues around the knee joint. Therefore, this study was purposed to conduct a systematic in vivo examination of the material properties of muscles, tendons, and ligaments, and investigated the respective influences of gender and age on the material properties. The participants were 50 healthy males and females within the following four age groups: 21-30 years, 31-40 years, 41-50 years, and above 51 years. The Young's moduli of the muscles, tendons, and ligaments around the knee joint were measured by shear wave elastography (SWE). Analysis of the Young's modulus results showed that excellent repeatability could be achieved by using SWE. For muscles, the intraclass correlation coefficient (ICC) and 95% confidence interval (CI) ranged between 0.952 and 0.987, and 0.923 and 0.992, respectively. The ICC ranged from 0.920 to 0.941, and the 95% CI was between 0.872 and 0.969 for tendons and ligaments. Additionally, the Young's moduli of the muscles, tendons, and ligaments of males were greater than those of females. With the exception for medial patellar retinaculum (MPR), the Young's moduli of other observed tissues decreased with age for both males and females, indicating that age has a significant impact on the Young's moduli of muscles, tendons, and ligaments. Hence, SWE is a reliable and repeatable technique that can be used to assess the Young's moduli of the muscles, tendons, and ligaments around the knee joint. Furthermore, gender and age affects the material properties. The results of this study provide an in vivo database of the material properties of muscles and connective tissues, and thus may prove useful for the prevention and treatment of knee joint injuries and diseases.
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Affiliation(s)
- Jianan Wu
- Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun, 130025, PR China
| | - Zhihui Qian
- Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun, 130025, PR China
| | - Wei Liang
- Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun, 130025, PR China
| | - Jing Liu
- Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun, 130025, PR China.
| | - Luquan Ren
- Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun, 130025, PR China
| | - Lei Ren
- Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun, 130025, PR China; School of Mechanical, Aerospace and Civil Engineering, University of Manchester, Manchester, M13 9PL, UK.
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Wu PY, Hsu PC, Chen TN, Huang JR, Chou CL, Wang JC. Evaluating Correlations of Coracohumeral Ligament Thickness with Restricted Shoulder Range of Motion and Clinical Duration of Adhesive Capsulitis with Ultrasound Measurements. PM R 2020; 13:461-469. [PMID: 32500656 DOI: 10.1002/pmrj.12432] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 05/04/2020] [Accepted: 05/28/2020] [Indexed: 11/11/2022]
Abstract
OBJECTIVES The primary objective of this study is to evaluate, using ultrasound measurements, the correlation between coracohumeral ligament (CHL) thickness and restricted shoulder range of motion (ROM) in patients with adhesive capsulitis (AC). The secondary objective is to investigate the correlation between CHL thickness and disease duration. DESIGN Prospective cross-sectional survey. SETTING Clinical research of a tertiary care hospital. METHODS Overall, 65 patients with clinically diagnosed AC were enrolled. Ultrasound measurements of CHL thickness in the axial oblique plane were obtained under maximal external rotation of the glenohumeral joint. Both Shoulder Pain and Disability Index (SPADI) and shoulder ROM were prospectively evaluated by an experienced investigator. CHL thickness was compared with shoulder ROM and SPADI. The association between CHL thickness and disease duration was also investigated. RESULTS Simple linear regression analysis showed significant inverse correlation between CHL thickness and shoulder ROM including external rotation (ER) (r = -0.335, P = .006) and internal rotation (IR) (r = -0.409, P = .001). CHL thickness also correlated with disease duration (r = -0.352, P = .004). Multiple linear regression analysis demonstrated that CHL thickness was significantly associated with restricted ER (r = -0.293, P = .02) and IR (r = -0.363, P = .003) after adjusting for age and disease duration. On the other hand, CHL thickness showed no significant correlation with abduction (r = -0.210, P = .09), flexion (r = -0.170, P = .176), or total SPADI score (r = 0.176, P = .16). Moreover, CHL was significantly thicker in patients with disease duration >6 months (P = .004, difference in means: 0.55 mm, 95% confidence interval: -0.922, -0.183). CONCLUSIONS CHL was significantly thicker in later-stage AC. CHL thickness correlated negatively with ER and IR of the shoulder. Furthermore, CHL thickening could be observed in the early stage of the disease course. These imaging findings may assist in confirming the diagnosis of AC, leading to early intervention and treatment options.
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Affiliation(s)
- Pin-Yi Wu
- Department of Physical Medicine and Rehabilitation, Taipei Veterans General Hospital, Taipei, 11217, Taiwan
| | - Po-Cheng Hsu
- Department of Physical Medicine and Rehabilitation, National Yang Ming University, Taipei, Taiwan.,Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Bei-Hu Branch, Taipei, 10845, Taiwan
| | - Tzu-Ning Chen
- Department of Physical Medicine and Rehabilitation, Taipei Veterans General Hospital, Taipei, 11217, Taiwan
| | - Jian-Ru Huang
- Department of Physical Medicine and Rehabilitation, Taipei Veterans General Hospital, Taipei, 11217, Taiwan
| | - Chen-Liang Chou
- Department of Physical Medicine and Rehabilitation, Taipei Veterans General Hospital, Taipei, 11217, Taiwan.,Department of Physical Medicine and Rehabilitation, National Yang Ming University, Taipei, Taiwan
| | - Jia-Chi Wang
- Department of Physical Medicine and Rehabilitation, Taipei Veterans General Hospital, Taipei, 11217, Taiwan.,Department of Physical Medicine and Rehabilitation, National Yang Ming University, Taipei, Taiwan
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Wada T, Itoigawa Y, Yoshida K, Kawasaki T, Maruyama Y, Kaneko K. Increased Stiffness of Rotator Cuff Tendons in Frozen Shoulder on Shear Wave Elastography. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2020; 39:89-97. [PMID: 31218712 DOI: 10.1002/jum.15078] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 05/28/2019] [Accepted: 06/01/2019] [Indexed: 06/09/2023]
Abstract
OBJECTIVES To evaluate the stiffness and morphologic characteristics of the capsule, rotator cuff tendons and muscles, coracohumeral ligament (CHL), and long head of the biceps in patients with frozen shoulder using shear wave elastography (SWE) with B-mode ultrasound. METHODS Thirty-two patients with frozen shoulder were divided into freezing and frozen phases. All patients had limitations of their range of motion without rotator cuff tears. Stiffness was measured by SWE in the supraspinatus (SSp) tendon, infraspinatus (ISp) tendon, SSp muscle, ISp muscle, teres minor muscle, upper and lower trapezius muscles, posterior capsule, CHL, and long head of the biceps. The posterior capsule and CHL thicknesses were also investigated with B-mode ultrasound. All values were compared in the affected and unaffected shoulders in each phase. RESULTS The SWE values for the SSp and ISp tendons in the freezing phase and the CHL in the frozen phase were significantly greater on the affected side than the unaffected side (mean ± SD, 280.4 ± 125.3 versus 178.1 ± 73.3, 318.4 ± 110.7 versus 240.8 ± 91.5, and 287.2 ± 135.3 versus 214.1 ± 91.1 kPa, respectively; P < .05). The posterior capsule in both the freezing and frozen phases and the CHL in the frozen phase were significantly thicker on the affected side than the unaffected side (1.3 ± 0.2 versus 0.9 ± 0.3, 1.2 ± 0.4 versus 0.9 ± 0.3, and 4.4 ± 1.4 versus 3.3 ± 1.1 mm; P < .01). CONCLUSIONS The SWE values of the both SSp and ISp tendons increased in the freezing phase, and that of the CHL also increased in the frozen phase. Not only the change in thickness of the capsule but also the change in stiffness of the rotator cuff may correlate with frozen shoulder.
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Affiliation(s)
- Tomoki Wada
- Department of Orthopedic Surgery, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Yoshiaki Itoigawa
- Department of Orthopedic Surgery, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Keiichi Yoshida
- Department of Orthopedic Surgery, Juntendo University Urayasu Hospital, Chiba, Japan
| | | | - Yuichiro Maruyama
- Department of Orthopedic Surgery, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Kazuo Kaneko
- Department of Orthopedic Surgery, Juntendo University, Tokyo, Japan
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Abd Ellah M, Taljanovic M, Klauser A. Musculoskeletal elastography. TISSUE ELASTICITY IMAGING 2020:197-224. [DOI: 10.1016/b978-0-12-809662-8.00009-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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Bruns A. Advances in Pediatric Musculoskeletal Ultrasonography. PEDIATRIC MUSCULOSKELETAL ULTRASONOGRAPHY 2020:351-360. [DOI: 10.1007/978-3-030-17824-6_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
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McKean D, Yoong P, Brooks R, Papanikitas J, Hughes R, Pendse A, McElroy BJ. Shoulder manipulation under targeted ultrasound-guided rotator interval block for adhesive capsulitis. Skeletal Radiol 2019; 48:1269-1274. [PMID: 30446788 DOI: 10.1007/s00256-018-3105-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Revised: 10/08/2018] [Accepted: 10/18/2018] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To describe and evaluate the outcome following shoulder manipulation under rotator interval block for the treatment of adhesive capsulitis. MATERIALS AND METHODS Patients with adhesive capsulitis referred by our local orthopaedic shoulder surgeons consented to targeted ultrasound-guided injection of the glenohumeral joint via the rotator interval. Inclusion criteria included a failure to respond to conservative treatment and the absence of a full-thickness rotator cuff tear. Twelve millilitres of a mixture of local anaesthetic and steroid was injected into the rotator interval using a 21-gauge needle, with a small volume of the same solution instilled into the subacromial bursa. Following injection, under local anaesthetic block, patients were gently manipulated into abduction, external rotation and internal rotation as far as they could comfortably tolerate. Patients were assessed pre-injection with documented pain scores from 0 to 10 on a visual analogue scale (VAS) and the Oxford Shoulder Score (OSS) questionnaire. Initial follow-up comprised a VAS pain score at 1 h, 24 h and 2 weeks. Clinical review by the referring orthopaedic surgeon was performed at 2 months post-injection. Long-term follow-up involved a VAS pain score and the OSS questionnaire at 5 months. RESULTS Forty patients were suitable for inclusion in the study. Twenty-three were female (57.5%) and 17 were male. The mean age was 52 years (range, 31-73 years). Twelve patients were post-operative. The duration of symptoms ranged from 3 months to 18 months. Mean pre-procedure OSS was recorded as 23.3 (range, 4-36). The mean VAS pain score was 7.7 before the procedure (range, 4 - 10), 3.4 at 1 h (range, 0-8), 2.9 at 24 h (range, 0-8), and 1.8 at 2 weeks (range 1-4). Orthopaedic follow-up at an average of 66 days post-injection was recorded in 18 patients. All patients reported initial improvement of their shoulder pain and return to near full range of movement; however, recurrence of adhesive capsulitis symptoms was recorded in 5 patients. One case of rupture of the long head of the biceps tendon was reported, but the patient remained asymptomatic. Long-term follow-up at 5 months was obtained in 31 patients, with a mean OSS of 42 (range, 21-60) and VAS of 2.3 (range, 0-7). CONCLUSION Manipulation under general anaesthesia is a well-recognised treatment for adhesive capsulitis. We report that targeted ultrasound-guided injection of the rotator interval and manipulation of the shoulder under local anaesthetic blockade result in good outcomes in reducing shoulder pain and symptoms of adhesive capsulitis with low recurrence and complication rates.
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Affiliation(s)
- David McKean
- Radiology Department, Stoke Mandeville Hospital, Buckinghamshire Healthcare NHS Trust, Aylesbury, HP21 8AL, UK.
| | - Philip Yoong
- Radiology Department, Royal Berkshire Hospital, Royal Berkshire NHS Foundation Trust, Reading, UK
| | - Rebecca Brooks
- Radiology Department, Stoke Mandeville Hospital, Buckinghamshire Healthcare NHS Trust, Aylesbury, HP21 8AL, UK
| | - Joseph Papanikitas
- Radiology Department, Stoke Mandeville Hospital, Buckinghamshire Healthcare NHS Trust, Aylesbury, HP21 8AL, UK
| | - Richard Hughes
- Radiology Department, Stoke Mandeville Hospital, Buckinghamshire Healthcare NHS Trust, Aylesbury, HP21 8AL, UK
| | - Aniruddha Pendse
- Orthopaedic Department, Stoke Mandeville Hospital, Buckinghamshire Healthcare NHS Trust, Aylesbury, UK
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Ahmadzadeh SH, Chen X, Hagemann H, Tang MX, Bull AM. Developing and using fast shear wave elastography to quantify physiologically-relevant tendon forces. Med Eng Phys 2019; 69:116-122. [DOI: 10.1016/j.medengphy.2019.04.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 04/07/2019] [Accepted: 04/14/2019] [Indexed: 01/08/2023]
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Majdalani C, Boudier-Revéret M, Pape J, Brismée JM, Michaud J, Luong DH, Grabs D, Chang KV, Chen WS, Wu CH, Sobczak S. Accuracy of Two Ultrasound-Guided Coracohumeral Ligament Injection Approaches: A Cadaveric Study. PM R 2019; 11:989-995. [PMID: 30690914 DOI: 10.1002/pmrj.12079] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 12/05/2018] [Indexed: 11/09/2022]
Abstract
BACKGROUND Glenohumeral idiopathic adhesive capsulitis is a common shoulder condition that hinders functionality. Addressing the pathology has been extensively researched. Ultrasound (US)-guided injections have shown their efficacy. However, no study has been conducted to compare anatomical accuracy between different approaches in targeting the coracohumeral ligament (CHL). OBJECTIVE To investigate whether US-guided injection of the CHL can be performed accurately using either the rotator interval (RI) or the coracoidal (CO) approach. METHODS An experimental cadaveric case series. SETTING Anatomy laboratory. SPECIMENS Both shoulders of 13 Thiel-embalmed cadavers. INTERVENTIONS Three physiatrists each injected a 0.1 mL bolus of colored dye in both shoulders of each cadaver using either the RI or the CO approach under US guidance. Each cadaver received a total of six injections (three injections per shoulder). The accuracy of the injection was determined following shoulder dissection by an anatomist. MAIN OUTCOME MEASURE The accuracy of the US-guided injection of the CHL. RESULTS The RI approach yielded 36 accurate injections, giving it an accuracy of 100%. With the CO approach two injections were deemed inaccurate yielding an accuracy of 94%. There was no significant difference in accuracy between all operators. CONCLUSIONS US-guided injection of the CHL can be performed accurately with both the RI and CO approaches. The RI approach was likely to be more accurate.
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Affiliation(s)
- Carl Majdalani
- Department of Physical Medicine and Rehabilitation, Centre hospitalier de l'Université de Montréal, Montréal, Canada
| | - Mathieu Boudier-Revéret
- Department of Physical Medicine and Rehabilitation, Centre hospitalier de l'Université de Montréal, Montréal, Canada
| | - John Pape
- Department of Physiotherapy, University Hospital of North Tees, Stockton on Tees, United Kingdom
| | - Jean-Michel Brismée
- Center for Rehabilitation Research, School of Health Professions, Texas Tech University Health Sciences Center, Lubbock, TX
| | - Johan Michaud
- Department of Physical Medicine and Rehabilitation, Centre hospitalier de l'Université de Montréal, Montréal, Canada
| | - Dien Hung Luong
- Department of Physical Medicine and Rehabilitation, Centre hospitalier de l'Université de Montréal, Montréal, Canada
| | - Detlev Grabs
- Département d'Anatomie, Université du Québec à Trois-Rivières, Québec, Canada.,Research Unit of Clinical and Functional Anatomy, Université du Québec à Trois-Rivières, Québec, Canada
| | - Ke-Vin Chang
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Taipei, Taiwan
| | - Wen-Shiang Chen
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Taipei, Taiwan
| | - Chueh Hung Wu
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Taipei, Taiwan
| | - Stéphane Sobczak
- Département d'Anatomie, Université du Québec à Trois-Rivières, Québec, Canada.,Research Unit of Clinical and Functional Anatomy, Université du Québec à Trois-Rivières, Québec, Canada
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Park GY. Role of Ultrasonography in Diagnosis and Treatment of Frozen Shoulder. JOURNAL OF RHEUMATIC DISEASES 2019. [DOI: 10.4078/jrd.2019.26.3.149] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Gi-Young Park
- Department of Rehabilitation Medicine, Daegu Catholic University School of Medicine, Daegu, Korea
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Kim DH, Cho CH, Sung DH. Ultrasound measurements of axillary recess capsule thickness in unilateral frozen shoulder: study of correlation with MRI measurements. Skeletal Radiol 2018; 47:1491-1497. [PMID: 29770850 DOI: 10.1007/s00256-018-2959-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 04/02/2018] [Accepted: 04/23/2018] [Indexed: 02/02/2023]
Abstract
OBJECTIVE The aims of this study were to compare the ultrasound thickness of the affected axillary recess capsule (ARC) with that of the unaffected ARC in patients with frozen shoulder (FS), to analyze whether the ultrasound measurements of the ARC thickness correlate with those obtained using MRI, and to assess whether the ultrasound thickness of the ARC correlates with the patterns of range of motion limitation. MATERIALS AND METHODS Forty-four patients with clinically diagnosed unilateral FS and MRI evaluation performed ultrasound measurement of ARC. The ultrasound measurement of the ARC thickness was performed with the patients in a supine position with their shoulder abducted by 40°. The ARC thickness was also measured by MRI on oblique coronal images by another physician blinded to the ultrasound measurements. With both ultrasound and MRI, ARC thickness was determined at the widest portion of the capsule. RESULTS The ultrasound thickness of ARC was significantly higher in the affected shoulder (4.4 ± 1.1 mm) than in the unaffected one (2.2 ± 0.5 mm) (p < 0.001). The ultrasound thickness of the ARC in the affected shoulder correlated with that measured by MRI (8.9 ± 1.9 mm) (p < 0.001, r = 0.83). The ARC thickness, whether measured by ultrasound or MRI, was not significantly related to the limitation of movement in specific directions. CONCLUSION Ultrasound can demonstrate the difference in ARC thickness between affected and unaffected shoulders in patients with unilateral FS. The ARC thickness measured by ultrasound correlates with that measured by MRI.
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Affiliation(s)
- Du Hwan Kim
- Department of Rehabilitation Medicine, Dongsan Medical Center, School of Medicine, Keimyung University, 56 Dalseong-ro, Jung-gu, Daegu, 41931, South Korea.
| | - Chul-Hyun Cho
- Department of Orthopedic Surgery, Dongsan Medical Center, School of Medicine, Keimyung University, Daegu, South Korea
| | - Duk Hyun Sung
- Department of Physical and Rehabilitation Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
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Fukuyoshi M, Takenaga T, Ono T, Hayashi N, Tsuchiya A, Goto H, Sugimoto K. Sonographic sequential change of the anteroinferior labrum following arthroscopic Bankart repair: quantitative and qualitative assessment. Skeletal Radiol 2018; 47:1511-1515. [PMID: 29781048 DOI: 10.1007/s00256-018-2964-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 04/25/2018] [Accepted: 04/27/2018] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Although arthroscopic Bankart repair is widely performed, little is known concerning the healing process of the Bankart lesion. This study aimed to describe the sonographic sequential change of the anteroinferior labrum following arthroscopic Bankart repair, both quantitatively and qualitatively. MATERIALS AND METHODS Twenty-five subjects who had undergone arthroscopic Bankart repair were investigated using a sonographic diagnostic device equipped with shear-wave elastographic technology. In addition to measuring the elasticity of the anteroinferior labrum, the B-mode echogram of the anteroinferior labrum was classified into three grades based on the relative echogenicity. Assessment was performed in the affected shoulder 1, 2, 3, 4, 5, 6, and 12 months postoperatively and in the contralateral shoulder 1 month postoperatively for the control. RESULTS The mean elasticity of the anteroinferior labrum in the affected shoulder 1 and 2 months postoperatively was significantly lower than in the contralateral shoulder (p < 0.001 for both). However, no significant difference was found after 3 months postoperatively. B-mode echograms of the anteroinferior labrum in the contralateral shoulder were classified as grade 0 in all subjects (100%), whereas the percentage of grade 0s in the affected shoulder was 0, 4, 96, and 100% at 1, 2, 3, and 4 months postoperatively. CONCLUSION Both quantitative and qualitative assessment of repaired anteroinferior labrum using ultrasound became comparable with the contralateral shoulder 3-4 months postoperatively. Ultrasound is a useful decision-supporting tool to prescribe postoperative rehabilitation protocol following arthroscopic Bankart repair, although functional recovery should also be evaluated on an individual basis.
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Affiliation(s)
| | - Tetsuya Takenaga
- Nagoya Sports Clinic, Nagoya, Japan. .,Department of Orthopaedic Surgery, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, 467-8601, Japan.
| | | | - Norio Hayashi
- Musculoskeletal Functional Anatomy Research Institute, Gifu, Japan
| | - Atsushi Tsuchiya
- Arthroscopy and Sports Medicine Center, Meitetsu Hospital, Nagoya, Japan
| | - Hideyuki Goto
- Department of Orthopaedic Surgery, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, 467-8601, Japan
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Brismée JM, Pape JL, Woodhouse LJ, Reid D, Bellot N, Matthijs OC, Reumont F, Sobczak S. Reflections and Future Directions on Extending Physical Therapist Scope of Practice to Improve Quality of Care and Preserve Health Care Resources. Phys Ther 2018; 98:827-829. [PMID: 29982663 DOI: 10.1093/ptj/pzy080] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2018] [Accepted: 03/30/2018] [Indexed: 11/13/2022]
Affiliation(s)
- Jean-Michel Brismée
- Center for Rehabilitation Research, Texas Tech University Health Sciences Center, Mail Stop 6223, Lubbock, TX 79430 (USA)
| | - John L Pape
- Department of Physiotherapy, University Hospital of North Tees, Stockton on Tees, United Kingdom
| | - Linda J Woodhouse
- Department of Physical Therapy, Faculty of Rehabilitation Medicine, University of Alberta, Alberta, Canada
| | - Duncan Reid
- School of Clinical Sciences, Auckland University of Technology, Auckland New Zealand
| | - Nicolas Bellot
- School of Health Sciences, University of Brighton, Eastbourne, United Kingdom; and LVW Physiotherapy, Hoeilaart, Belgium
| | | | - François Reumont
- Physical Therapy Department, Forme & Fonctionnement Humain Research Unit, HELHA, Belgium
| | - Stéphane Sobczak
- Département d'anatomie, Université du Québec à Trois-Rivières (UQTR), Trois-Rivières, Québec, Canada
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Effect of High-Induction Magnetic Stimulation on Elasticity of the Patellar Tendon. JOURNAL OF HEALTHCARE ENGINEERING 2018; 2018:7172034. [PMID: 30154991 PMCID: PMC6093077 DOI: 10.1155/2018/7172034] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Revised: 06/17/2018] [Accepted: 06/28/2018] [Indexed: 11/17/2022]
Abstract
Nowadays, a high-induction magnetic stimulation is starting to be increasingly applied as a biophysical stimulation in the conservative treatment of the degenerative locomotor system diseases. These are mainly in correlation with the changes in soft tissue elasticity, which should be positively influenced by the flow-induced electrical currents of high current density during high-induction magnetic stimulation. This assumption was verified within the interventional and prospective study using the ultrasound elastography. The group consisted of 6 volunteers, whose elasticity of the patellar tendons was measured using the 2D shear-wave ultrasound elastography. The volunteers were then exposed to a 20-minute high-induction magnetic stimulation session with a frequency of 20 Hz, in 2 s package intervals, with a 5 s pause, and a induced electric current density of 100 Am−2 in the tendons area. A tendon tension was measured five times for all volunteers, where mean tension at the marked area of the tendon, as well as the highest point tension indicated by the Q-Box, was monitored. The measurement results show that high-induction magnetic stimulation has an influence on the patellar tendon tension change, which occurred in the case of all involved volunteers when the patellar tension was decreased.
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Sconfienza LM, Albano D, Allen G, Bazzocchi A, Bignotti B, Chianca V, Facal de Castro F, Drakonaki EE, Gallardo E, Gielen J, Klauser AS, Martinoli C, Mauri G, McNally E, Messina C, Mirón Mombiela R, Orlandi D, Plagou A, Posadzy M, de la Puente R, Reijnierse M, Rossi F, Rutkauskas S, Snoj Z, Vucetic J, Wilson D, Tagliafico AS. Clinical indications for musculoskeletal ultrasound updated in 2017 by European Society of Musculoskeletal Radiology (ESSR) consensus. Eur Radiol 2018; 28:5338-5351. [DOI: 10.1007/s00330-018-5474-3] [Citation(s) in RCA: 132] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 04/02/2018] [Accepted: 04/11/2018] [Indexed: 12/11/2022]
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50
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Differentiating the acute phase of gout from the intercritical phase with ultrasound and quantitative shear wave elastography. Eur Radiol 2018; 28:5316-5327. [PMID: 29869177 DOI: 10.1007/s00330-018-5529-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 04/27/2018] [Accepted: 05/07/2018] [Indexed: 12/17/2022]
Abstract
OBJECTIVES To evaluate the value of ultrasound (US) in differentiating the acute phase of gout from the intercritical phase, particularly using shear wave elastography (SWE). METHODS 57 gout patients were prospectively enrolled and divided into acute phase and intercritical phase groups. The patients underwent US and SWE examinations for the first metatarsophalangeal joints with the same protocol. Maximum synovial thickness was measured. US features were reviewed by two radiologists independently. The maximum (Emax) and mean (Emean) elastic moduli of synovium were calculated. Diagnostic performances of US, SWE and combined US and SWE were evaluated. RESULTS US findings demonstrated that the colour Doppler flow signal grade in the acute phase was higher than that in the intercritical phase (p = 0.001), whereas no differences were found for B-mode US features between the two groups (all p > 0.05). For SWE, Emax and Emean were significantly higher in the intercritical phase than in the acute phase (both p < 0.001). The areas under the receiver operating characteristic curve (AUROCs) were 0.494-0.553 for B-mode US, 0.735 for colour Doppler US (CDUS), 0.887 for Emax and 0.882 for Emean. The combination of CDUS and SWE increased the AUROC, sensitivity and accuracy significantly in comparison with CDUS alone (all p < 0.001). However, the combined set did not show stronger diagnostic performance in comparison with SWE alone. CONCLUSION SWE increases the diagnostic performance in differentiating the acute phase of gout from the intercritical phase in comparison with conventional US. KEY POINTS • Colour Doppler flow signal grade is higher in acute phase of gout than in intercritical phase. • SWE demonstrates that synovium stiffness is higher in intercritical phase of gout than in acute phase. • SWE increases diagnostic performance in differentiating acute phase of gout from intercritical phase in comparison with conventional US.
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