ST-segment changes during tilt table testing for postural tachycardia syndrome: correlation with exercise stress test results

A Correction to this article was published on 06 September 2019

This article has been updated

Abstract

Background

Prior studies have reported ECG (Electrocardiogram) changes during tilt table testing (TTT), specifically during repolarization with ST-segment and T-wave changes. The correlation with ischemic evaluation remains unclear. The purpose of this study was to analyze the prevalence of ST-segment changes during TTT in a young, otherwise healthy population of patients with postural tachycardia syndrome (POTS), and correlate them with exercise stress test results.

Methods

Two hundred and fifty-five patients with POTS who underwent TTT and an exercise treadmill test (ETT) were analyzed.

Results

Forty-five had ST-segment changes/depressions during TTT (91% female, average age 36 years). Of the 45, three had ST-segment depression during ETT; all three had negative exercise stress echocardiograms (ESEs). Two others had ST-segment depressions on ETT (but not TTT), with negative ESEs.

Conclusion

In a cohort of young, female, otherwise healthy patients with POTS, ST-segment changes occurred in a significant portion (18%) of patients during TTT. When evaluated with exercise stress testing, these patients had no evidence of underlying ischemia on ETT or ESE.

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Change history

  • 06 September 2019

    Unfortunately, the 3rd author name was incorrectly published in the original publication. The complete correct name is given below.

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Correspondence to Kenneth A. Mayuga.

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On behalf of all authors, the corresponding author states that there is no conflict of interest.

Additional information

This article is updated to correct the 3rd author name as Erik H. Van Iterson.

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Vajapey, R., Hutt Centeno, E., Van Iterson, E.H. et al. ST-segment changes during tilt table testing for postural tachycardia syndrome: correlation with exercise stress test results. Clin Auton Res 30, 79–83 (2020). https://doi.org/10.1007/s10286-019-00633-9

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Keywords

  • Tilt table test
  • Postural tachycardia syndrome
  • Electrocardiogram
  • Exercise stress test