Cited by 13Heart Rate Variability and Autonomic ControlGenetic and Clinical Aspects of Sex Determination and Chromosomal AbnormalitiesCardiovascular Syncope and Autonomic Disorders

Blood pressure, sympathovagal tone, exercise capacity and metabolic status are linked in Turner syndrome

Brun, Sara, Berglund, Agnethe, Mortensen, Kristian H., Hjerrild, Britta E., Hansen, Klavs W., Andersen, Niels H., Gravholt, Claus H.·2019·Clinical Endocrinology

Abstract

Abstract Objectives We studied cardiac autonomic changes in relation to metabolic factors, body composition and 24‐hour ambulatory blood pressure measurements in Turner syndrome patients without known hypertension. Design Cross sectional. Patients Participants were 48 TS women and 24 healthy female controls aged over 18 years. Methods Short‐term power spectral analysis was obtained in supine‐standing‐supine position. Bedside tests included three conventional cardiovascular reflex tests of heart rate response to standing up, heart rate response to deep breathing and blood pressure response to standing up. Mean heart rate during the last 2 minutes of work was used to calculate the maximal aerobic power (VO2max). Results We found a significantly higher mean reciprocal of the heart rate per second (RR) in TS. Testing for interaction between position and status (TS or control), there were highly significant differences between TS and controls in high‐frequency (HF) power, the coefficient of component variation (square root of HF power/mean RR) and low‐frequency (LF): HF ratio, with a dampened decline in vagal activity among TS during standing. Bedside test showed TS had a significantly higher diastolic BP in the supine position compared to controls, and the adaptive rise in BP, when changing to upright position was reduced. VO2max and self‐reported level of physical activity were significantly correlated to systolic ambulatory blood pressure both 24‐hour and night diastolic ambulatory blood pressure. Conclusion Vagal tone and modulation of the sympathovagal balance during alteration in body position are impaired in TS. These changes can be risk factors for cardiovascular disease.

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Crossref · 10.1111/cen.13983

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Authors
Brun, S., Berglund, A., Mortensen, K. H., Hjerrild, B. E., Hansen, K. W., Andersen, N. H., & Gravholt, C. H.
Affiliations
  • Aarhus University Hospital (DK)
  • Great Ormond Street Hospital (GB)
  • Regionshospitalet Silkeborg (DK)
  • Aalborg University Hospital (DK)
Corresponding author
Andersen, Niels H.
Venue
Clinical Endocrinology
Publisher
Wiley
Published
2019-04-12
Volume
91
Issue
1
Pages
148-155
ISSN
  • 0300-0664 (ISSN-L)
  • 1365-2265
OpenAlex
W2925752872
Cited by
13
References
31
Citations by year
2025: 1 · 2024: 4 · 2022: 4 · 2021: 3 · 2020: 1
FWCI
1.45
Type
journal article
Language
en
Open access
closed
Locations
  • Clinical Endocrinology (publishedVersion)
  • PubMed (publishedVersion)
  • VBN Forskningsportal (Aalborg Universitet) (submittedVersion)
Funders
  • Lundbeckfonden
  • Augustinus Fonden
  • Toyota Foundation
  • Novo Nordisk Fonden (NNF13OC0003234, NNF15OC0016474)
  • Fonden til Lægevidenskabens Fremme
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Heart Rate Variability and Autonomic Control
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities
  • Health Sciences › Medicine › Surgery › Cardiovascular Syncope and Autonomic Disorders
Keywords
Turner syndrome, sympathovagal balance, cardiac autonomic function, vagal tone, ambulatory blood pressure, heart rate variability, exercise capacity, VO2max, physical activity, posture, cardiovascular risk, body composition
MeSH terms
Adult, Autonomic Nervous System, Blood Pressure, Cross-Sectional Studies, Female, Heart Rate, Humans, Male, Middle Aged, Turner Syndrome, Biomarkers, Exercise Tolerance

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