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Myotonic Phenomenon

MedGen UID:
148292
•Concept ID:
C0751358
•
Finding
Synonyms: Myotonic Phenomenons; Phenomenon, Myotonic; Phenomenons, Myotonic

Professional guidelines

PubMed

Guidelines on clinical presentation and management of nondystrophic myotonias.
Stunnenberg BC, LoRusso S, Arnold WD, Barohn RJ, Cannon SC, Fontaine B, Griggs RC, Hanna MG, Matthews E, Meola G, Sansone VA, Trivedi JR, van Engelen BGM, Vicart S, Statland JM
Muscle Nerve 2020 Oct;62(4):430-444. Epub 2020 May 27 doi: 10.1002/mus.26887. PMID: 32270509Free PMC Article
Prenatal diagnosis of congenital myopathies and muscular dystrophies.
Massalska D, Zimowski JG, Bijok J, Kucińska-Chahwan A, Łusakowska A, Jakiel G, Roszkowski T
Clin Genet 2016 Sep;90(3):199-210. Epub 2016 Jun 2 doi: 10.1111/cge.12801. PMID: 27197572
The diagnosis and treatment of myotonic disorders.
Heatwole CR, Statland JM, Logigian EL
Muscle Nerve 2013 May;47(5):632-48. Epub 2013 Mar 27 doi: 10.1002/mus.23683. PMID: 23536309

Recent clinical studies

Etiology

Ocular motor myotonic phenomenon in myotonic dystrophy.
Versino M, Rossi B, Beltrami G, Sandrini G, Cosi V
J Neurol Neurosurg Psychiatry 2002 Feb;72(2):236-40. doi: 10.1136/jnnp.72.2.236. PMID: 11796775Free PMC Article

Diagnosis

Torsion of a non-gravid leiomyomatous uterus in a patient with myotonic dystrophy complaining of acute urinary retention: anaesthetic management for total abdominal hysterectomy.
Varras M, Polyzos D, Alexopoulos Ch, Pappa P, Akrivis Ch
Clin Exp Obstet Gynecol 2003;30(2-3):147-50. PMID: 12854863
Ocular motor myotonic phenomenon in myotonic dystrophy.
Versino M, Rossi B, Beltrami G, Sandrini G, Cosi V
J Neurol Neurosurg Psychiatry 2002 Feb;72(2):236-40. doi: 10.1136/jnnp.72.2.236. PMID: 11796775Free PMC Article
Myotonia levior: contribution to the nosography.
Siciliano G, Risaliti R, Vignocchi G, Rossi B
Riv Neurol 1988 Sep-Oct;58(5):204-9. PMID: 3231989

Therapy

Successful dantrolene sodium treatment of a patient with myotonia congenita (Thomsen's disease).
Ohtaki E, Komori H, Yamaguchi Y, Matsuishi T
Acta Paediatr Jpn 1991 Oct;33(5):668-71. doi: 10.1111/j.1442-200x.1991.tb01884.x. PMID: 1799124

Prognosis

Torsion of a non-gravid leiomyomatous uterus in a patient with myotonic dystrophy complaining of acute urinary retention: anaesthetic management for total abdominal hysterectomy.
Varras M, Polyzos D, Alexopoulos Ch, Pappa P, Akrivis Ch
Clin Exp Obstet Gynecol 2003;30(2-3):147-50. PMID: 12854863

Clinical prediction guides

Lymphocyte abnormality in human myotonic dystrophy and experimental drug-induced myotonia.
Hiraoka A, Kitani T, Takahashi M, Tarui S
Neurology 1982 Feb;32(2):138-42. doi: 10.1212/wnl.32.2.138. PMID: 6275309

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