{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,11]],"date-time":"2026-05-11T15:09:58Z","timestamp":1778512198835,"version":"3.51.4"},"reference-count":5,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2017,7,31]],"date-time":"2017-07-31T00:00:00Z","timestamp":1501459200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Muscle and Nerve"],"published-print":{"date-parts":[[2018,1]]},"abstract":"ABSTRACT<\/jats:title>Introduction<\/jats:title>This study explores ultrasound imaging for qualitative and quantitative assessment of myotonia.<\/jats:p><\/jats:sec>Methods<\/jats:title>Sixteen patients with myotonia and 16 controls underwent sonographic evaluation of the thenar eminence muscles to assess the relaxation time after muscle percussion.<\/jats:p><\/jats:sec>Results<\/jats:title>The mean time for complete muscle relaxation in patients with myotonia was longer than that of controls. A cutoff of\u2009>\u20090.9 s for myotonia detection had a sensitivity of 88% and a specificity of 100%. The interrater reliability was moderate for qualitative assessment but was high for quantitative assessment. The relaxation time did not correlate with the number of trinucleotide repeats in patients with myotonic dystrophy.<\/jats:p><\/jats:sec>Discussion<\/jats:title>Sonographic evaluation for the presence of myotonia is feasible, sensitive, and specific but does not correlate with disease severity in myotonic dystrophy. Muscle Nerve<\/jats:italic> 57<\/jats:bold>: 146\u2013149, 2018<\/jats:p><\/jats:sec>","DOI":"10.1002\/mus.25714","type":"journal-article","created":{"date-parts":[[2017,5,31]],"date-time":"2017-05-31T15:06:43Z","timestamp":1496243203000},"page":"146-149","source":"Crossref","is-referenced-by-count":9,"title":["Quantitative sonographic assessment of myotonia"],"prefix":"10.1002","volume":"57","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9020-2399","authenticated-orcid":false,"given":"Alon","family":"Abraham","sequence":"first","affiliation":[{"name":"Ellen and Martin Prosserman Centre for Neuromuscular Diseases Division of Neurology, Department of Medicine, University Health Network, University of Toronto, Toronto General Hospital 200 Elizabeth Street, Room 5EB\u2010306A, Toronto Ontario Canada M5G 2C4"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ari","family":"Breiner","sequence":"additional","affiliation":[{"name":"Ellen and Martin Prosserman Centre for Neuromuscular Diseases Division of Neurology, Department of Medicine, University Health Network, University of Toronto, Toronto General Hospital 200 Elizabeth Street, Room 5EB\u2010306A, Toronto Ontario Canada M5G 2C4"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carolina","family":"Barnett","sequence":"additional","affiliation":[{"name":"Ellen and Martin Prosserman Centre for Neuromuscular Diseases Division of Neurology, Department of Medicine, University Health Network, University of Toronto, Toronto General Hospital 200 Elizabeth Street, Room 5EB\u2010306A, Toronto Ontario Canada M5G 2C4"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vera","family":"Bril","sequence":"additional","affiliation":[{"name":"Ellen and Martin Prosserman Centre for Neuromuscular Diseases Division of Neurology, Department of Medicine, University Health Network, University of Toronto, Toronto General Hospital 200 Elizabeth Street, Room 5EB\u2010306A, Toronto Ontario Canada M5G 2C4"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hans D.","family":"Katzberg","sequence":"additional","affiliation":[{"name":"Ellen and Martin Prosserman Centre for Neuromuscular Diseases Division of Neurology, Department of Medicine, University Health Network, University of Toronto, Toronto General Hospital 200 Elizabeth Street, Room 5EB\u2010306A, Toronto Ontario Canada M5G 2C4"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2017,7,31]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1002\/mus.20339"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/mus.20822"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1007\/s100720070012"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1212\/WNL.0b013e3181dc1a3a"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.pmr.2014.09.010"}],"container-title":["Muscle & Nerve"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Fmus.25714","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/mus.25714","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/full-xml\/10.1002\/mus.25714","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/mus.25714","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,9,6]],"date-time":"2023-09-06T02:22:54Z","timestamp":1693966974000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/mus.25714"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2017,7,31]]},"references-count":5,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2018,1]]}},"alternative-id":["10.1002\/mus.25714"],"URL":"https:\/\/doi.org\/10.1002\/mus.25714","archive":["Portico"],"relation":{},"ISSN":["0148-639X","1097-4598"],"issn-type":[{"value":"0148-639X","type":"print"},{"value":"1097-4598","type":"electronic"}],"subject":[],"published":{"date-parts":[[2017,7,31]]}}}