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The complexity of diagnosing postural orthostatic tachycardia syndrome: influence of the diurnal variability
- Title
- The complexity of diagnosing postural orthostatic tachycardia syndrome: influence of the diurnal variability
- Authors
- Moon, Jangsup; Lee, Han Sang; Byun, Jung-Ick; Sunwoo, Jun-Sang; Shin, Jung-Won; Lim, Jung-Ah; Kim, Tae-Joon; Shin, Yong-Won; Lee, Keon-Joo; Jeon, Daejong; Jung, Keun-Hwa; Lee, Soon-Tae; Jung, Ki-Young; Chu, Kon; Lee, Sang Kun
- Ewha Authors
- 문장섭
- SCOPUS Author ID
- 문장섭
- Issue Date
- 2016
- Journal Title
- JOURNAL OF THE AMERICAN SOCIETY OF HYPERTENSION
- ISSN
- 1933-1711
1878-7436
- Citation
- JOURNAL OF THE AMERICAN SOCIETY OF HYPERTENSION vol. 10, no. 3, pp. 263 - 270
- Keywords
- Postural tachycardia syndrome; orthostatic tachycardia; diurnal variability; orthostatic intolerance; orthostatic hypotension
- Publisher
- ELSEVIER SCIENCE INC
- Indexed
- SCIE; SCOPUS
- Document Type
- Article
- Abstract
- We investigated how the diagnosis of postural orthostatic tachycardia syndrome (POTS) would be changed due to diurnal variability in orthostatic tachycardia. The orthostatic vital sign test was administered to each patient twice, in the afternoon of the day of admission and the next morning (n = 113). Forty-six patients were diagnosed with POTS, and the remaining 67 patients were assigned to non-POTS group. Heart rate increments after standing were larger in the morning than in the afternoon in every group (all P < .001). Among the POTS patients, 82.6% fulfilled the diagnostic criteria for POTS in the morning and 52.2% in the afternoon. Most POTS group (65.2%) displayed normal result on single orthostatic vital sign test. Orthostatic intolerance symptoms were provoked in only 45.7% of the POTS patients, more frequently in the morning. In conclusion, diurnal variability in hemodynamic parameters and provoked symptoms significantly challenged the diagnosis of POTS. (C) 2016 American Society of Hypertension. All rights reserved.
- DOI
- 10.1016/j.jash.2016.01.011
- Appears in Collections:
- 연구기관 > 의과학연구소 > Journal papers
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