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Article

Permanent muscle weakness in hypokalemic periodic paralysis.

Neurology - 28 Jul 2020

Holm-Yildiz Sonja, Witting Nanna, Dahlqvist Julia, de Stricker Borch Josefine, Solheim Tuva, Fornander Freja, Eisum Anne-Sofie, Duno Morten, Soerensen Troels, Vissing John

Abstract excerpt

OBJECTIVE: To map the phenotypic spectrum in 55 individuals with mutations in CACNA1S known to cause hypokalemic periodic paralysis (HypoPP) using medical history, muscle strength testing, and muscle MRI. METHODS: Adults with a mutation in CACNA1S known to cause HypoPP were included. Medical history was obtained. Muscle strength and MRI assessments were performed. RESULTS: Fifty-five persons were included. Three...

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PMID: 32580975
DOI: 10.1212/WNL.0000000000009828

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