{"corpus_id":14025302,"paper_sha":"bf1691e93c99cc1a67d641e3ecba50b8328d84e7","doi":"10.1016/j.ultrasmedbio.2018.03.026","arxiv_id":null,"pmid":29706410,"pmcid":null,"mag_id":2802074793,"dblp_id":null,"acl_id":null,"title":"Muscle Shear Wave Elastography in Inclusion Body Myositis: Feasibility, Reliability and Relationships with Muscle Impairments.","year":2018,"publication_date":"2018-07-01","venue":"Ultrasound in Medicine and Biology","journal":{"name":"Ultrasound in medicine & biology","pages":"\n          1423-1432\n        ","volume":"44 7"},"journal_issn":null,"journal_title":null,"publication_types":["JournalArticle"],"pubmed_pub_types":["Journal Article","Research Support, Non-U.S. Gov't"],"s2_fields_of_study":["Medicine"],"reference_count":50,"citation_count":29,"influential_citation_count":0,"is_open_access":true,"arxiv_categories":null,"arxiv_license":null,"arxiv_journal_ref":null,"mesh_headings":[{"d":"Aged","mj":false,"ui":"D000368"},{"d":"Biopsy","mj":false,"ui":"D001706"},{"d":"Elasticity Imaging Techniques","mj":false,"qs":[{"q":"methods","mj":true,"ui":"Q000379"}],"ui":"D054459"},{"d":"Feasibility Studies","mj":false,"ui":"D005240"},{"d":"Female","mj":false,"ui":"D005260"},{"d":"Humans","mj":false,"ui":"D006801"},{"d":"Male","mj":false,"ui":"D008297"},{"d":"Middle Aged","mj":false,"ui":"D008875"},{"d":"Muscle Strength","mj":false,"ui":"D053580"},{"d":"Muscle, Skeletal","mj":false,"qs":[{"q":"diagnostic imaging","mj":true,"ui":"Q000000981"},{"q":"pathology","mj":true,"ui":"Q000473"}],"ui":"D018482"},{"d":"Myositis, Inclusion Body","mj":false,"qs":[{"q":"diagnostic imaging","mj":true,"ui":"Q000000981"},{"q":"pathology","mj":true,"ui":"Q000473"}],"ui":"D018979"},{"d":"Reproducibility of Results","mj":false,"ui":"D015203"}],"chemicals":null,"comments_corrections":null,"source_flags":5,"s2_open_access_pdf_url":"https://hal.sorbonne-universite.fr/hal-01961259/file/Bachasson%20et%20al.%20-%202018%20-%20Muscle%20Shear%20Wave%20Elastography%20in%20Inclusion%20Body%20M_sans%20marque.pdf","s2_open_access_landing_url":"https://www.semanticscholar.org/paper/bf1691e93c99cc1a67d641e3ecba50b8328d84e7","s2_open_access_license":"other-oa","s2_open_access_status":"GREEN","pmc_open_access_pdf_url":null,"pmc_open_access_landing_url":null,"pmc_open_access_license":null,"pmc_open_access_status":null,"unpaywall_open_access_pdf_url":null,"unpaywall_open_access_landing_url":null,"unpaywall_open_access_license":null,"unpaywall_open_access_status":null,"abstract":"Degenerative muscle changes may be associated with changes in muscle mechanical properties. Shear wave elastography (SWE) allows direct quantification of muscle shear modulus (MSM). The aim of this study was to evaluate the feasibility and reliability of SWE in the severely disordered muscle as observed in inclusion body myositis. To explore the clinical relevance of SWE, potential relationships between MSM values and level muscle impairments (weakness and ultrasound-derived muscle thickness and echo intensity) were investigated. SWE was performed in the biceps brachii at 100°, 90°, 70° and 10° elbow flexion in 34 patients with inclusion body myositis. MSM was assessed before and after five passive stretch-shortening cycles at 4°/s from 70° to 10° elbow angle and after three maximal voluntary contractions to evaluate potential effects of muscle pre-conditioning. Intra-class correlation coefficients and standard errors of measurements were >0.83 and <1.74 kPa and >0.64 and <1.89 kPa for within- and between-day values, respectively. No significant effect of passive loading-unloading and maximal voluntary contractions was found (all p values  >0.18). MSM correlated to predicted muscle strength (all Spearman correlation coefficients (ρ) > 0.36; all p values < 0.05). A significant correlation was found between muscle echo intensity and muscle shear modulus at 70° only (ρ = 0.38, p <0.05). No correlation was found between muscle thickness and MSM (all ρ values > 0.23 and all p values > 0.25, respectively). Within- and between-day reliability of muscle SWE was satisfactory and moderate, respectively. SWE shows promise for assessing changes in mechanical properties of the severely disordered muscle. Further investigations are required to clarify these findings and to refine their clinical value.","claims":[{"public_id":"cl_35b572d1bde24c7084d2471ac37c704b","status":"active","text":"Muscle echo intensity correlated significantly with muscle shear modulus at 70° elbow flexion only (ρ=0.38, p<0.05), whereas no correlation was found between muscle thickness and muscle shear modulus.","confidence":0.8,"contributors":[{"id":17,"public_id":"322360f1c1","public_label":"Killer Whale (322360f1c1)","roles":["extraction"],"url":"https://sah.borca.ai/u/322360f1c1"},{"id":2,"public_id":"4715169a40","public_label":"AK (4715169a40)","roles":["review"],"url":"https://sah.borca.ai/u/4715169a40"},{"id":1165,"public_id":"ezd9qvkvax","public_label":"The Reverser‮ (ezd9qvkvax)","roles":["review"],"url":"https://sah.borca.ai/u/ezd9qvkvax"}],"url":"https://sah.borca.ai/claims/cl_35b572d1bde24c7084d2471ac37c704b"},{"public_id":"cl_aa9b5a3c06fb81b86dffa7dea0bc2869","status":"active","text":"Muscle shear modulus correlated with predicted muscle strength (all Spearman correlation coefficients >0.36, all p values <0.05).","confidence":0.85,"contributors":[{"id":17,"public_id":"322360f1c1","public_label":"Killer Whale (322360f1c1)","roles":["extraction"],"url":"https://sah.borca.ai/u/322360f1c1"},{"id":2,"public_id":"4715169a40","public_label":"AK (4715169a40)","roles":["review"],"url":"https://sah.borca.ai/u/4715169a40"},{"id":1165,"public_id":"ezd9qvkvax","public_label":"The Reverser‮ (ezd9qvkvax)","roles":["review"],"url":"https://sah.borca.ai/u/ezd9qvkvax"}],"url":"https://sah.borca.ai/claims/cl_aa9b5a3c06fb81b86dffa7dea0bc2869"},{"public_id":"cl_cb8839c929339e8c3ffac1fcb316f4a3","status":"active","text":"Passive stretch-shortening cycles and maximal voluntary contractions had no significant effect on muscle shear modulus (all p values >0.18), indicating no muscle pre-conditioning effect.","confidence":0.85,"contributors":[{"id":17,"public_id":"322360f1c1","public_label":"Killer Whale 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