Cited by 38Thyroid Disorders and TreatmentsPotassium and Related DisordersOphthalmology and Eye Disorders

Thyrotoxic periodic paralysis in a Hispanic man after the administration of prednisone

Liu, Zhao, Braverman, Lewis E., Malabanan, Alan·2006·Endocrine Practice

Abstract

Objective To present a case of thyrotoxic periodic paralysis (TPP) in a Hispanic man and to discuss the potential precipitating mechanisms.Methods We review the clinical and laboratory findings relative to the occurrence of TPP in a 34-year-old Hispanic man, who had been diagnosed as having Graves' disease.Results TPP is a rare complication of thyrotoxicosis. The two known triggers of TPP are high carbohydrate intake and rest after strenuous physical activity. Other precipitating factors include ingestion of alcohol, infection, trauma, emotional stress, and exposure to cold. Nonselective beta-adrenergic blocking agents are used as prophylaxis for the paralytic attacks. Glucocorticoids have been used to treat nonresponsive and recurrent episodes. Nevertheless, our patient, a 34-year-old Hispanic man, had received propranolol for 7 days and one single dose of prednisone 2 hours before the onset of the paralysis. In patients with TPP, the Na+/K+-adenosinetriphosphatase (ATPase) pump activity is considerably increased by excess thyroid hormones, resulting in an increased intracellular potassium shift. Insulin activates the Na+/K+-ATPase pump as well; thus, the precipitating effect of a high carbohydrate diet is explained. Glucocorticoids have been shown to increase the number of Na+/K+-ATPase molecules in skeletal muscle. They also increase insulin secretion in the basal state and the first-phase insulin release after a glucose load.Conclusion In our patient with TPP, the onset of the attack was not prevented by the use of propranolol and was likely triggered by the administration of prednisone.

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Crossref · 10.4158/ep.12.4.427

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Authors
Liu, Z., Braverman, L. E., & Malabanan, A.
Affiliations
Boston Medical Center (US)
Corresponding author
Braverman, Lewis E.
Venue
Endocrine Practice
Publisher
Elsevier BV
Published
2006-07
Volume
12
Issue
4
Pages
427-431
ISSN
1530-891X (ISSN-L)
OpenAlex
W1990287622
Cited by
38
References
55
Citations by year
2026: 2 · 2025: 1 · 2024: 1 · 2023: 2 · 2022: 1 · 2021: 2 · 2019: 1 · 2018: 1 · 2016: 2 · 2015: 3 · 2014: 2 · 2013: 1 · 2012: 4
FWCI
2.44
Type
journal article
Language
en
Open access
closed
Locations
  • Endocrine Practice (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Thyroid Disorders and Treatments
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Potassium and Related Disorders
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Ophthalmology and Eye Disorders
Keywords
thyrotoxic periodic paralysis, Graves' disease, thyrotoxicosis, prednisone, Na+/K+-ATPase, propranolol, beta-adrenergic blockade, precipitating factors, high-carbohydrate diet, insulin secretion, Hispanic patients
MeSH terms
Adult, Graves Disease, Humans, Male, Prednisone, Propranolol, Thyrotoxicosis, Hypokalemic Periodic Paralysis

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