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Mick P, Kunz P, Fischer C, Gross S, Doll J. CEUS-assessed supraspinatus muscle perfusion improves after tendon repair and predicts anatomical and functional outcome: A 1-year prospective pilot study. J Orthop Res 2023; 41:426-435. [PMID: 35460536 DOI: 10.1002/jor.25349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 03/24/2022] [Accepted: 04/11/2022] [Indexed: 02/04/2023]
Abstract
Rotator cuff tear including SSP (Supraspinatus) tendon tears are a very common and often painful condition with several therapeutic options such as tendon repair. Reflected by the high retear rates, the preoperative selection of patients suitable for surgery or conservative treatment, which often yields comparable results, remains difficult. Using contrast-enhanced ultrasound (CEUS), it is possible to quantify the SSP muscle perfusion as a surrogate parameter for its vitality and healing capabilities. In this study, we enrolled 20 patients who underwent an SSP repair for a preoperative and two postoperative (6 months and 1 year) clinical and sonographic exams including CEUS. Along with functional improvement (p < 0.001, Constant score), we found a significant increase in CEUS-assessed muscle perfusion after tendon repair (p < 0.001). Furthermore, weak preoperative muscle perfusion was associated with a higher risk of a retear (χ2 = 0.045) and a moderate trend toward lower postoperative shoulder function that did not reach significance (r = 0.435; p = 0.055, DASH score). If confirmed in larger studies, CEUS might be a valuable additional diagnostic method for a precise selection of patients who most likely profit from a tendon repair and those who can be treated conservatively with an equally good outcome.
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Affiliation(s)
- Paul Mick
- Center for Orthopedics, Heidelberg University Hospital, Heidelberg, Germany
| | - Pierre Kunz
- Shoulder and Elbow Surgery, Catholic Hospital Mainz, Mainz, Germany
| | | | | | - Julian Doll
- Center for Orthopedics, Heidelberg University Hospital, Heidelberg, Germany
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Ntoulia A, Barnewolt CE, Doria AS, Ho-Fung VM, Lorenz N, Mentzel HJ, Back SJ. Contrast-enhanced ultrasound for musculoskeletal indications in children. Pediatr Radiol 2021; 51:2303-2323. [PMID: 33783575 DOI: 10.1007/s00247-021-04964-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 09/02/2020] [Accepted: 01/07/2021] [Indexed: 12/14/2022]
Abstract
The increasing use of contrast-enhanced ultrasound (CEUS) has opened exciting new frontiers for musculoskeletal applications in adults and children. The most common musculoskeletal-related CEUS applications in adults are for detecting inflammatory joint diseases, imaging skeletal muscles and tendon perfusion, imaging postoperative viability of osseous and osseocutaneous tissue flaps, and evaluating the malignant potential of soft-tissue masses. Pediatric musculoskeletal-related CEUS has been applied for imaging juvenile idiopathic arthritis and Legg-Calvé-Perthes disease and for evaluating femoral head perfusion following surgical hip reduction in children with developmental hip dysplasia. CEUS can improve visualization of the capillary network in superficial and deep tissues and also in states of slow- or low-volume blood flow. In addition, measurements of blood flow imaging parameters performed by quantitative CEUS are valuable when monitoring the outcome of treatment interventions. In this review article we present current experience regarding a wide range of CEUS applications in musculoskeletal conditions in adults and children, with emphasis on the latter, and discuss imaging techniques and CEUS findings in musculoskeletal applications.
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Affiliation(s)
- Aikaterini Ntoulia
- Department of Radiology, Children's Hospital of Philadelphia, 3401 Civic Center Blvd., Philadelphia, PA, 19104, USA.
| | - Carol E Barnewolt
- Department of Radiology, Boston Children's Hospital, Harvard University, Boston, MA, USA
| | - Andrea S Doria
- Department of Medical Imaging, The Hospital for Sick Children, University of Toronto, Toronto, ON, Canada
| | - Victor M Ho-Fung
- Department of Radiology, Children's Hospital of Philadelphia, 3401 Civic Center Blvd., Philadelphia, PA, 19104, USA.,Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Norbert Lorenz
- Children's Hospital, Dresden Municipal Hospital, Teaching-Hospital of Technical University, Dresden, Germany
| | - Hans-Joachim Mentzel
- Section of Pediatric Radiology, Institute of Diagnostic and Interventional Radiology, University Hospital of Jena, Jena, Germany
| | - Susan J Back
- Department of Radiology, Children's Hospital of Philadelphia, 3401 Civic Center Blvd., Philadelphia, PA, 19104, USA.,Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
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Kunz P, Kiesl S, Groß S, Kauczor HU, Schmidmaier G, Fischer C. Intra-observer and Device-Dependent Inter-observer Reliability of Contrast-Enhanced Ultrasound for Muscle Perfusion Quantification. ULTRASOUND IN MEDICINE & BIOLOGY 2020; 46:275-285. [PMID: 31733932 DOI: 10.1016/j.ultrasmedbio.2019.10.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 10/06/2019] [Accepted: 10/11/2019] [Indexed: 06/10/2023]
Abstract
Muscle perfusion quantification by contrast-enhanced ultrasound (CEUS) may facilitate treatment decisions in musculoskeletal disorders. Translation into clinical routine relies on high intra-observer and inter-observer reliability and transferability between ultrasound devices to enable validation and multicenter studies. This study evaluates these aspects for deltoid muscle perfusion quantification, including possible multicenter study setups. One hundred sixty-six CEUS quantifications were conducted on 42 shoulders. Intra-observer reliability revealed a high intra-class correlation coefficient (ICC, r = 0.91) and low coefficient of variation (CV, 10.28%). Inter-observer reliability revealed an ICC of .84 and a CV of 17.1%, but these values decreased when different ultrasound devices were used (ICC = .60, CV = 18.6%). Re-evaluating subgroups with high sectional plane concordance significantly increased reliability (intra-observer: ICC = .97, CV = 5.49%, inter-observer/same device: ICC = .98, CV = 5.83%, varying devices: ICC = .78, CV = 9.8%). CEUS perfusion quantification of the deltoid seems applicable for multicenter studies, yet pooling different ultrasound devices remains critical. Sectional plane concordance appears to be crucial for reliability and transferability of CEUS muscle perfusion quantifications.
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Affiliation(s)
- Pierre Kunz
- Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Ultrasound Centre, HTRG, Heidelberg University Hospital, Heidelberg, Germany; Clinic for Shoulder and Elbow Surgery, Catholic Hospital Mainz, Mainz, Germany.
| | - Sophia Kiesl
- Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Ultrasound Centre, HTRG, Heidelberg University Hospital, Heidelberg, Germany
| | - Sascha Groß
- Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Ultrasound Centre, HTRG, Heidelberg University Hospital, Heidelberg, Germany
| | - Hans-Ulrich Kauczor
- Diagnostic and Interventional Radiology, Heidelberg University Hospital, Heidelberg, Germany
| | - Gerhard Schmidmaier
- Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Ultrasound Centre, HTRG, Heidelberg University Hospital, Heidelberg, Germany
| | - Christian Fischer
- Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Ultrasound Centre, HTRG, Heidelberg University Hospital, Heidelberg, Germany
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Abstract
METHODICAL ISSUE Contrast-enhanced ultrasound (CEUS) offers easily accessible visualization and quantification of the skeletal muscle microcirculation and other tissues in vivo and in real-time with almost no side effects. AIM The aim of this review is to present the increasing number of musculoskeletal CEUS applications. METHODICAL INNOVATIONS/PERFORMANCE CEUS applications regarding the musculoskeletal system include applications at bone and joints extending beyond the visualization of only the muscular microcirculation. Besides basic muscle physiology, impaired microcirculation in patients with peripheral artery disease or diabetes mellitus and the diagnosis of inflammatory myopathies have been the subject of previous CEUS studies. More recent studies in orthopedics and traumatology have focused on osseous and muscular perfusion characteristics, e. g., in differentiating infected and aseptic non-unions or the impact of different types of implants and prostheses on muscular microcirculation as a surrogate marker of clinical success. PRACTICAL RECOMMENDATIONS CEUS of the musculoskeletal system is used in clinical trials or off-label. Therefore, it is not well established in clinical routine. However, considering the increasing number of musculoskeletal CEUS applications, this could change in the future.
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Fischer C, Gross S, Zeifang F, Schmidmaier G, Weber MA, Kunz P. Contrast-Enhanced Ultrasound Determines Supraspinatus Muscle Atrophy After Cuff Repair and Correlates to Functional Shoulder Outcome. Am J Sports Med 2018; 46:2735-2742. [PMID: 30080421 DOI: 10.1177/0363546518787266] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Muscle degeneration as a consequence of rotator cuff tears is mainly assessed by magnetic resonance imaging. Contrast-enhanced ultrasound (CEUS) is a new functional imaging method to assess microvascular perfusion as a fundamental parameter of muscle tissue vitality. In this cross-sectional study, the authors evaluated supraspinatus muscle perfusion after cuff repair and analyzed its association with functional shoulder outcome and the grade of echogenicity in B-mode ultrasound indicating fatty infiltration. HYPOTHESIS The authors expected reduced microperfusion of the operated versus the contralateral supraspinatus muscle and a correlation of the muscular microperfusion with functional shoulder outcome. STUDY DESIGN Cross-sectional study; Level of evidence, 3. METHODS Patients who received unilateral repair of the supraspinatus tendon between 2009 and 2014 were invited for a single follow-up examination. Functional scores were assessed, including the Constant-Murley score and American Shoulder and Elbow Surgeons score. CEUS examination was performed bilaterally in an oblique sagittal plane of the supraspinatus fossa. Perfusion was quantified by the parameters wash-in perfusion index (WiPI) and peak enhancement via VueBox quantification software. The results of the Constant-Murley score, American Shoulder and Elbow Surgeons score, and perfusion parameters were referenced to the contralateral shoulder. Echogenicity of the supraspinatus muscle was classified with a 3-point scale as compared with the trapezius muscle. RESULTS Sixty-seven patients were available, with a mean follow-up of 38.0 ± 18.5 months. Functional assessment showed impaired shoulder function on the operated shoulder as compared with the contralateral side (relative Constant Score [CS], 80% ± 19%). CEUS revealed diminished perfusion on the operated shoulder (WiPI, 55.1% ± 40.2%, P < .001). A strong correlation could be demonstrated between the perfusion deficit and functional impairment (relative WiPI and CS: rs = .644, P < .001). Higher grade of echogenicity in B-mode ultrasound was associated with reduced perfusion. CONCLUSION CEUS could visualize impaired supraspinatus muscle perfusion after rotator cuff repair as compared with the contralateral, healthy shoulder. With its ability to quantify microvascular perfusion as a surrogate parameter for muscle vitality and function, CEUS may serve as a quantitative method to evaluate rotator cuff muscles.
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Affiliation(s)
- Christian Fischer
- Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, HTRG-Heidelberg Trauma Research Group, Heidelberg University Hospital, Heidelberg, Germany
| | - Sascha Gross
- Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, HTRG-Heidelberg Trauma Research Group, Heidelberg University Hospital, Heidelberg, Germany
| | - Felix Zeifang
- Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, HTRG-Heidelberg Trauma Research Group, Heidelberg University Hospital, Heidelberg, Germany
| | - Gerhard Schmidmaier
- Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, HTRG-Heidelberg Trauma Research Group, Heidelberg University Hospital, Heidelberg, Germany
| | - Marc-André Weber
- Institute of Diagnostic and Interventional Radiology, University Medical Center Rostock, Rostock, Germany
| | - Pierre Kunz
- Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, HTRG-Heidelberg Trauma Research Group, Heidelberg University Hospital, Heidelberg, Germany.,Shoulder and Elbow Surgery, Catholic Hospital Mainz, Mainz, Germany
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von Rohden L, Jürgens JHW. [Ultrasound of muscular diseases in children and adolescents]. Radiologe 2017; 57:1029-1037. [PMID: 29098300 DOI: 10.1007/s00117-017-0318-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND The increasing number of treatable hereditary neuromuscular diseases in children requires a diagnostic tool that can quickly, safely, and noninvasively identify affected patients directly after birth or when showing initial clinical symptoms. With clinical analysis alone, this is very difficult. IMAGING MODALITY Near-field sonography of skeletal muscles has gradually become established as a successful method over the last 35 years. METHODOLOGICAL INNOVATIONS Examination is performed using a strictly standardized protocol in isotopic muscle regions and with standardized sections and application parameters. Interpretation is performed with specific assessment criteria and nomenclature for the description of normal and pathological muscle architecture and echogenicity. This is sonographic tissue characterization. PERFORMANCE Using case studies, the sonoanatomy and sonopathology of selected myo- and neuropathies, metabolic, inflammatory, and other lesions are illustrated. We present their differential diagnosis by texture and echogenicity analysis. Affected persons are identified in 70% up to 100% of cases, depending on the entity; specificity is less dependent on experience and training. Of the 12 disorders presented in this article, 6 are causally/symptomatically treatable today. ACHIEVEMENTS Standardized myosonography is the imaging modality of first choice for detection of neuromuscular diseases. PRACTICAL RECOMMENDATIONS High frequency (8-22 MHz) linear array transducer. Highly standardized examination modality. Simultaneous, paired comparison of affected persons and controls. If necessary, muscle tissue biopsy only after ultrasonic determination of a suitable area.
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Affiliation(s)
- L von Rohden
- , Jägerstieg 5, 39291, Lostau/Magdeburg, Deutschland.
| | - Julian H W Jürgens
- Klinik und Poliklinik für Diagnostische und Interventionelle Radiologie und Nuklearmedizin; Abteilung pädiatrische Radiologie, Universitätsklinikum Hamburg Eppendorf, Martinistraße 52, 20246, Hamburg, Deutschland
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Lv F, Tang J, Luo Y, Ban Y, Wu R, Tian J, Yu T, Xie X, Li T. Contrast-enhanced ultrasound assessment of muscle blood perfusion of extremities that underwent crush injury: an animal experiment. J Trauma Acute Care Surg 2013; 74:214-9. [PMID: 23505667 DOI: 10.1097/ta.0b013e3182683498] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND This research aimed to study the assessment of local muscle microcirculation perfusion of extremities that underwent crush injuries by using contrast-enhanced ultrasonography (CEUS). METHODS A total of 28 New Zealand rabbits were anesthetized by using intramuscular pentobarbital sodium (30 mg/kg). A balloon cuff device was used to create crush injuries to the left hind leg of each rabbit with a force of 18.6 kPa. CEUS was performed at the 0.5th, 2nd, 6th,24th, and 72nd hour after the release of the crush pressure. Peak intensity (PI) of the crushed regions was compared with those of the uncrushed regions and before the creation of crush injury. Receiver operating characteristic analysis was used to determine the diagnostic value of PI for the crushed region. RESULTS During the 72nd hour after the release of the crush pressure, 5 of the 28 rabbits died, and thus, their statistics were eliminated from the experiment. At different time points after the release of the crush pressure, the crushed regions in all 23 survivals showed quick and high enhancement, and their intensities were higher than those of the un crushed region in the arterial phase. The time-intensity curves of the crushed regions all appeared as rapid lift-gradual drop. PIs were obviously higher in the crushed regions than in the uncrushed regions and than those before the creation of crush injury ( p G 0.001). Receiver operating characteristic curves showed that extremity crush injury was diagnosed by using PI value. CONCLUSION CEUS presents that the microcirculation perfusion of the crushed muscle increased obviously after the release of the crush pressure.PIs evaluated quantitatively the microcirculation perfusion changes. It may suggest a potential alternative for evaluating microcirculation abnormality of the muscle crush injury to the extremities.
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Affiliation(s)
- Faqin Lv
- Department of Ultrasound, Chinese People's Liberation Army General Hospital, 28 Fuxing Rd, Beijing 100853, China.
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Lazarou IN, Guerne PA. Classification, diagnosis, and management of idiopathic inflammatory myopathies. J Rheumatol 2013; 40:550-64. [PMID: 23504386 DOI: 10.3899/jrheum.120682] [Citation(s) in RCA: 70] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The detection and characterization of a large array of autoantibodies, including at least 8 different antisynthetase, anti-SRP, -200/100 (HMGCR), -Mi-2, -CADM-140 (MDA5), -SAE, -p155, -MJ (NXP-2), and -PMS1, frequently associated with distinct and well-defined clinicopathological features, allowed for significant improvement in the definition and diagnosis of idiopathic inflammatory myopathies (IIM). Classification remains difficult, with lingering divergence between the different specialties involved in IIM care, but several categories clearly stand out, including dermatomyositis (DM), overlap myositis (OM), polymyositis, necrotizing myositis, and sporadic inclusion body myositis (s-IBM). Biopsy and histological analysis remain crucial, particularly in the absence of autoantibodies, to accurately specify the diagnosis and rule out mimics such as muscular dystrophies and metabolic myopathies. Numerous infectious agents (in particular human immunodeficiency virus and human T cell lymphotrophic virus-1) and drugs (statins, tumor necrosis factor inhibitors, and proton pump inhibitors) can cause mimic IIM that must also be excluded. Pharmacological treatment, in addition to glucocorticoids and immunoglobulins, now includes mycophenolate mofetil and rituximab, which proved helpful in resistant cases, particularly rituximab in DM and OM. Exercise, initially seen as potentially deleterious, recently was shown to be efficacious and safe. IIM can thus be reasonably well controlled in most cases, although aggressive disease remains refractory to treatment, including some cases of necrotizing myopathy. Sporadic IBM still seems resistant to all medications tested to date.
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Affiliation(s)
- Ilias N Lazarou
- Department of Rheumatology, University Hospital of Geneva, Geneva, Switzerland.
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