Thyrotoxic periodic paralysis

Journal Article · Wed Jan 01 00:00:00 EST 1986 · Am. J. Med.; (United States)

DOI:https://doi.org/10.1016/0002-9343(86)90067-7· OSTI ID:5942034

Ferreiro, J E; Arguelles, D J; Rams, H Jr

A case of thyrotoxic periodic paralysis is reported in a Hispanic man with an unusual recurrence six weeks after radioactive iodine treatment. Thyrotoxic periodic paralysis has now been well characterized in the literature: it occurs primarily in Orientals with an overwhelming male preponderance and a higher association of specific HLA antigens. Clinical manifestations include onset after high carbohydrate ingestion or heavy exertion, with progressive symmetric weakness leading to flaccid paralysis of the extremities and other muscle groups, lasting several hours. If hypokalemia is present, potassium administration may help abort the attack. Although propranolol can be efficacious in preventing further episodes, the only definitive treatment is establishing a euthyroid state. The pathophysiology is still controversial, but reflects altered potassium and calcium dynamics as well as certain morphologic characteristics within the muscle unit itself.

• Research Organization: Univ. of Miami School of Medicine, FL
• OSTI ID: 5942034
• Journal Information: Am. J. Med.; (United States), Vol. 1
• Country of Publication: United States
• Language: English

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