Cited by 58Cardiovascular Syncope and Autonomic DisordersHeart Rate Variability and Autonomic ControlVagus Nerve Stimulation Research

Home orthostatic training in vasovagal syncope modifies autonomic tone: results of a randomized, placebo-controlled pilot study

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Tan, M. P., Newton, J. L., Chadwick, T. J., Gray, J. C., Nath, S., Parry, S. W.·2010·Europace

Abstract

AIMS: To detect possible autonomic changes due to home orthostatic training (HOT) and to assess the feasibility of a larger, placebo-controlled study of HOT in vasovagal syncope (VVS). METHODS AND RESULTS: Twenty-two consecutive patients, aged 18-85, diagnosed with VVS following a positive head-up tilt-table test were randomized to 40 min of HOT (n = 12) or 10 min of sham training (n = 10) daily for 6 months. Baroreflex sensitivity (BRS) and heart rate variability (HRV) were measured at weeks 0, 1, 4, and 24. Symptom response was assessed by event diaries. Home orthostatic training resulted in increases in up and down slope BRS at week 4 (e(log difference) = 1.59, 95% CI = 0.84-3.03 and 1.79, 95% CI = 1.00-3.22) and week 24 (e(log difference) = 1.75, 95% CI = 1.01-3.06 and 1.53, 95% CI = 0.66-2.68) compared with placebo. Relative improvements in low- and high-frequency HRV were also observed in the HOT group compared with placebo at week 4 (e(log difference) = 3.22, 95% CI = 1.06-9.86 and 3.19, 95% CI = 1.03-10.59) and week 24 (e(log difference) = 2.11, 95% CI = 0.72-6.17 and 2.13, 95% CI = 0.52-8.79). Fifty percentage of HOT subjects and 20% of control subjects were syncope-free at 6 months. CONCLUSION: This was the first placebo-controlled study in orthostatic training which has demonstrated that such a study is indeed feasible. An enhancement in overall autonomic tone is observed with HOT in tandem with a non-significant trend in symptom improvement. A larger, adequately powered, randomized controlled trial of tilt-training is now needed.

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  1. Kinay O, Yazici M, Nazli C, Acar G, Gedikli O, Altinbas A et al. Tilt training for recurrent neurocardiogenic syncope: effectiveness, patient compliance, and sche- duling the frequency of training sessions. Jpn Heart J 2004;45:833 -43.

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Authors
Tan, M. P., Newton, J. L., Chadwick, T. J., Gray, J. C., Nath, S., & Parry, S. W.
Affiliations
  • Newcastle University (GB)
  • Royal Victoria Infirmary (GB)
  • North Tyneside General Hospital (GB)
Corresponding author
Parry, S. W.
Venue
Europace
Published
2009-11-17
Volume
12
Issue
2
Pages
240-246
ISSN
  • 1099-5129 (ISSN-L)
  • 1532-2092
OpenAlex
W2131668656
Cited by
58
References
42
Citations by year
2026: 2 · 2025: 1 · 2024: 4 · 2023: 1 · 2022: 3 · 2021: 3 · 2020: 2 · 2019: 4 · 2018: 4 · 2017: 4 · 2016: 3 · 2015: 3 · 2014: 7 · 2013: 5 · 2012: 2
FWCI
3.71
Type
journal article
Language
en
Open access
Locations
  • EP Europace (publishedVersion)
  • PubMed (publishedVersion)
  • Newcastle University ePrints (Newcastle Univesity)
Funders
  • National Institute for Health and Care Research
  • British Geriatrics Society
Topics
  • Health Sciences › Medicine › Surgery › Cardiovascular Syncope and Autonomic Disorders
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Heart Rate Variability and Autonomic Control
  • Life Sciences › Neuroscience › Neurology › Vagus Nerve Stimulation Research
Keywords
vasovagal syncope, autonomic tone, baroreflex sensitivity, heart rate variability, tilt training, sham training, syncope prevention
MeSH terms
Adolescent, Adult, Aged, Aged, 80 and over, Autonomic Nervous System, Dizziness, Postural Balance, Feasibility Studies, Female, Heart Rate, Humans, Male, Middle Aged, Patient Compliance, Pilot Projects, Treatment Outcome, Baroreflex, Tilt-Table Test, Monitoring, Ambulatory, Syncope, Vasovagal, Young Adult

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