Diagnosing thyrotoxic periodic paralysis in the ED

Yuh Feng Lin, Chia Chao Wu, Dee Pei, Shi Jye Chu, Shih Hua Lin

研究成果: 雜誌貢獻文章同行評審

26 引文 斯高帕斯(Scopus)

摘要

Thyrotoxic periodic paralysis (TPP) and sporadic periodic paralysis (SPP) are the most common causes of hypokalemic periodic paralysis (HPP) in EDs in Asia. Their neuromuscular presentations are almost indistinguishable. We conducted this study to identify clinical clues that can help EPs distinguish between TPP and SPP. Thirty-four patients presenting to the ED with HPP were enrolled during a 3-year period. They did not have known hyperthyroidism before the attack and no family history of paralysis. They all had low K+ excretion rates. Vital signs and blood biochemistry, including acid-base and electrolytes, were measured. TPP was subsequently established by thyroid function tests. Twenty patients had TPP and 14 patients had SPP. There was no significant difference in age and sex distribution between them. Systolic (SBP) but not diastolic blood pressure (SBP 146 ± 4 vs 128 ± 4 mm Hg, P <0.001) and heart rate (106 ± 3 vs 73 ± 3 beats/min, P <0.001) were significantly higher in those experiencing TPP than SPP. Among the biochemical factors, only plasma phosphate concentration (2.2 ± 0.2 vs 3.2 ± 0.2 mg/dL, P <0.001) was significantly lower in those experiencing TPP than SPP. Systolic hypertension, tachycardia, and hypophosphatemia are clinical clues favoring the diagnosis of TPP.

原文英語
頁(從 - 到)339-342
頁數4
期刊American Journal of Emergency Medicine
21
發行號4
DOIs
出版狀態已發佈 - 七月 2003
對外發佈

ASJC Scopus subject areas

  • 急診醫學

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