Eyelid myotonia and face stiffness in skeletal muscle sodium channelopathy

Authors

DOI:

https://doi.org/10.17161/rrnmf.v2i2.15167

Keywords:

myotonia, non-dystrophic myotonia, eyelid myotonia, skeletal muscle sodium channelopathy, skeletal muscle chloride channelopathy

Abstract

Title
Eyelid myotonia and face stiffness in skeletal muscle sodium channelopathy

Video Legend
Video 1. Notice the delayed relaxation of the eyelids after forced eye closure (eyelid myotonia). Also, notice the full facial hair to prevent facial muscle stiffening exacerbation with cold weather.

Authors
Srijan Adhikari, MBBS, Jeffrey Statland, MD, Constantine Farmakidis, MD

Authors information:

Srijan Adhikari, MBBS, ORCID ID: 0000-0001-9653-3079, University of Kansas Medical Center, Department of Neurology, Kansas City, Kansas, USA
Jeffrey Statland, MD, ORCID ID: 0000-0003-0790-5315 University of Kansas Medical Center, Department of Neurology, Kansas City, Kansas, USA
Constantine Farmakidis, MD, ORCID ID: 0000-0002-4688-9224, University of Kansas Medical Center, Department of Neurology, Kansas City, Kansas, USA

Corresponding Author

Srijan Adhikari, MBBS,
Department of Neurology,
University of Kansas Medical Center,
3901 Rainbow Boulevard., MS 2012,
Kansas City, KS 66160
sadhikari@kumc.edu

Author Conflict of Interests

Dr Adhikari has nothing to disclose.
Dr. Statland reports grants from NIH, grants from MDA, grants from FSHD Society, grants from Friends of FSH Research, personal fees from Dyne, personal fees from Fulcrum, personal fees from Avidity, personal fees from MT Pharma, personal fees from Acceleron, personal fees from Sarepta, personal fees from Strongbridge, outside the submitted work.
Dr. Farmakidis reports personal fees from Argnex, personal fees from Momenta, personal fees from Terumo BCT, outside the submitted work.

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References

Stunnenberg BC, LoRusso S, Arnold WD, et al. Guidelines on clinical presentation and management of nondystrophic myotonias. Muscle Nerve. Oct 2020;62(4); 430-444. https://doi.org/10.1002/mus.26887

Statland JM, Bundy BN, Wang Y, et al. Mexiletine for symptoms and signs of myotonia in nondystrophic myotonia: a randomized controlled trial. JAMA. Oct 3 2012;308(13); 1357-65. https://doi.org/10.1001/jama.2012.12607

Bandschapp O, Iaizzo PA. Pathophysiologic and anesthetic considerations for patients with myotonia congenita or periodic paralyses. 2013;23(9); 824-833. https://doi.org/10.1111/pan.12217

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Published

2021-05-27

How to Cite

Adhikari, S., Statland, J., & Farmakidis, C. . (2021). Eyelid myotonia and face stiffness in skeletal muscle sodium channelopathy. RRNMF Neuromuscular Journal, 2(2). https://doi.org/10.17161/rrnmf.v2i2.15167

Issue

Section

Visual stuff (Images/Video)