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Fortschr Neurol Psychiatr. 2012 Aug;80(8):458-62. doi: 10.1055/s-0031-1299106. Epub 2012 Jun 12.

[Anxiety in patients with postural tachycardia syndrome (POTS)].

[Article in German]

Author information

  • 1Klinik für Gefäßchirurgie, Helios Klinikum Berlin-Buch, Schwanebecker Chaussee 50, Berlin. christine.wagner@helioskliniken.de

Abstract

BACKGROUND:

The postural tachycardia syndrome (POTS) is a condition of the autonomic nervous system with symptoms of orthostatic intolerance. In POTS patients, orthostatic stress leads to an overshoot of heart rate increase without a fall in blood pressure. The purpose of this study is to distinguish between anxiety disorders and anxiety as a concomitant phenomenon of orthostatic stress.

METHODS:

50 patients fulfilling the diagnostic criteria (orthostatic symptoms, heart rate increase of > 30 bpm or up to > 120 bpm by testing with tilt-table) were included. The study design included a thorough medical history as well as standardised questionnaires about anxiety.

RESULTS:

The average heart rate increase was 36 bpm after ten minutes of standing and 42 bpm after maximal standing time (max. 45 minutes). POTS patients scored significantly higher than a comparison group in a range of anxiety disorders by using anxiety questionnaires like "Beck Angst-Inventar" (BAI) and trait test of "State-Traits-Angstinventar" which include autonomic items. When questionnaires were used that exclude autonomic items (anxiety sensitivity index: ASI; Interaktions-Angst-Fragebogen: IAF) there was no difference.

CONCLUSION:

POTS patients do not exhibit signals of anxiety disorders more often than control groups, provided that questionnaires without autonomic items are used.

© Georg Thieme Verlag KG Stuttgart · New York.

PMID:
22692879
[PubMed - indexed for MEDLINE]
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