Cited by 158Thyroid Disorders and TreatmentsThyroid and Parathyroid SurgeryPotassium and Related Disorders

Thyrotoxic Periodic Paralysis: Report of 10 Cases and Review of Electromyographic Findings

Kelley, David E.·1989·Archives of Internal Medicine

Abstract

• We reviewed the clinical characteristics of 10 patients with thyrotoxic periodic paralysis. In these patients, a relatively uniform group of young men, the periodic paralysis developed nearly concurrently with the onset of hyperthyroidism. The attacks were precipitated most frequently by rest and by exercise and, occasionally, by ingestion of a large carbohydrate load. In each patient, the paralysis resolved on return of euthyroidism. The approximate incidence rate for thyrotoxic periodic paralysis in our largely white North American patient population (all hyperthyroidism cases) ranged from 0.1% to 0.2%, which is one tenth the rate reported for Oriental populations. In 7 patients, electrodiagnostic testing revealed characteristic changes in compound muscle action potential amplitude in response to exercise of the muscle being tested. (Arch Intern Med. 1989;149:2597-2600)

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Crossref · 10.1001/archinte.1989.00390110139031

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  • Previous reports indicate that nearly 50% of TPP patients had only subtle signs/symptoms of thyrotoxicosis, without systematic assessment.

    “According to previous reports, nearly 50% of TPP patients had only subtle signs/symptoms of thyrotoxicosis, albeit without systematic assessment (14, 15, 16, 36).”
  • Typical clinical symptoms of thyrotoxicosis may be subtle and periodic paralysis may precede these symptoms in TPP.

    “It is often stated in the literature that typical clinical symptoms of thyrotoxicosis, such as weight loss, heat intolerance, palpitations, increased appetite, excitability, and diaphoresis, may be subtle and periodic paralysis may precede these symptoms in TPP (10, 14, 15, 16).”
  • The incidence of TPP in North Americans is 0.1%-0.2%.

    “The incidence of TPP in Chinese and Japanese thyrotoxic patients has been reported at 1.8% and 1.9%, respectively [2], whereas in North Americans at 0.1%–0.2% [5].”

    From Thyrotoxic Periodic Paralysis: Clinical Challenges (2014) · cites this paper as [5]

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Authors
Kelley, D. E.
Corresponding author
Kelley, David E.
Venue
Archives of Internal Medicine
Published
1989-11-01
Volume
149
Issue
11
Pages
2597
ISSN
0003-9926 (ISSN-L)
OpenAlex
W4237898583
Cited by
158
References
0
Citations by year
2026: 4 · 2025: 5 · 2024: 6 · 2023: 4 · 2022: 2 · 2021: 5 · 2020: 9 · 2019: 6 · 2018: 4 · 2017: 1 · 2016: 4 · 2015: 6 · 2014: 6 · 2013: 8 · 2012: 11
FWCI
0.00
Type
journal article
Language
en
Open access
closed
Locations
Archives of Internal Medicine (publishedVersion)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Thyroid Disorders and Treatments
  • Health Sciences › Medicine › Surgery › Thyroid and Parathyroid Surgery
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Potassium and Related Disorders
Keywords
thyrotoxic periodic paralysis, hyperthyroidism, carbohydrate loading, incidence, compound muscle action potential, electrodiagnostic testing, young men

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