Cited by 320Cardiovascular Syncope and Autonomic DisordersHeart Rate Variability and Autonomic ControlLong-Term Effects of COVID-19

Postural Tachycardia Syndrome (POTS)

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Raj, Satish R.·2013·Circulation

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Crossref · 10.1161/circulationaha.112.144501

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20 of 20 references verified0 citation errors · 0 not checkable

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  • The HRPeak during head-up tilt was lower with both ivabradine and propranolol.

    “The HRPeak during HUT was also lower with both drugs, reinforcing their ability to blunt excessive orthostatic tachycardia, the key physiological impact of POTS.2,3”
  • This is felt to be a reflection of exaggerated sympathetic neuronal activation.

    “This is felt to be a reflection of exaggerated sympathetic neuronal activation (97).”

    From Postural Orthostatic Tachycardia Syndrome (2019) · cites this paper as [97]

  • A diagnosis of POTS requires chronic orthostatic symptoms lasting more than six months and exclusion of prolonged bedrest, deconditioning, medications that impair autonomic regulation, and other chronic debilitating disorders that can cause tachycardia.

    “The HR abnormality must be accompanied by chronic (>6 months) orthostatic symptoms that occur in the absence of prolonged bedrest or deconditioning, use of medications that impair autonomic regulation (vasodilators, diuretics, antidepressants, or anxiolytic agents), or other chronic debilitating disorders that might cause tachycardia (such as dehydration, anemia, or hyperthyroidism) [19].”
  • When measured during upright posture, norepinephrine is elevated in many POTS patients (>3.55 nmol/L and sometimes >5.91 nmol/L), consistent with sympathetic neuronal activation elicited by standing.

    “When measured during upright posture, norepinephrine is elevated in many patients with POTS [>3.55 nmol/L (600 pg/mL) and sometimes >5.91 nmol/L (1000 pg/mL)], consistent with the sympathetic neuronal activation elicited by standing in these patients [19].”
  • Central sympatholytics such as clonidine and methyldopa can reduce sympathetic tone in POTS patients with prominent hyperadrenergic features.

    “Central sympatholytics (e.g. clonidine and methyldopa) can also be used to decrease sympathetic tone in patients with prominent hyperadrenergic features, but might produce drowsiness and worsening of the mental clouding [19] (HRS Class IIb) [8].”

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Authors
Raj, S. R.
Affiliations
Vanderbilt University (US)
Corresponding author
Raj, Satish R.
Venue
Circulation
Published
2013-06-11
Volume
127
Issue
23
Pages
2336-2342
ISSN
  • 0009-7322 (ISSN-L)
  • 1524-4539
OpenAlex
W2162352430
Cited by
320
References
20
Citations by year
2026: 22 · 2025: 21 · 2024: 21 · 2023: 24 · 2022: 26 · 2021: 23 · 2020: 26 · 2019: 23 · 2018: 28 · 2017: 28 · 2016: 20 · 2015: 14 · 2014: 17 · 2013: 2 · 2012: 1
FWCI
17.43
Type
journal article
Language
en
Open access
Locations
  • Circulation (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (UL1TR000445)
  • National Heart, Lung, and Blood Institute (P01HL056693, R01HL102387, P01 HL-56693)
  • National Institute of Neurological Disorders and Stroke (U54NS065736)
  • National Center for Advancing Translational Sciences
Topics
  • Health Sciences › Medicine › Surgery › Cardiovascular Syncope and Autonomic Disorders
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Heart Rate Variability and Autonomic Control
  • Health Sciences › Medicine › Neurology › Long-Term Effects of COVID-19
Keywords
postural orthostatic tachycardia syndrome, orthostatic intolerance, autonomic dysfunction, heart rate, blood pressure
MeSH terms
Contraindications, Adult, Androstenes, Anxiety, Blood Volume, Cardiovascular Agents, Combined Modality Therapy, Confusion, Diagnosis, Differential, Fatigue, Female, Hemodynamics, Humans, Leg, Mast Cells, Norepinephrine, Posture, Renin-Angiotensin System, Sodium Chloride, Sympathetic Nervous System, Syncope, Syndrome, Tachycardia, Catheter Ablation, Norepinephrine Plasma Membrane Transport Proteins

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