Cited by 68Cardiovascular Syncope and Autonomic DisordersPharmaceutical Practices and Patient OutcomesHeart Rate Variability and Autonomic Control

The DOI matches its Crossref record; 18 of the 18 references it cites were found in a registry or an index.

Stop vasodepressor drugs in reflex syncope: a randomised controlled trial

Abstract

OBJECTIVES: Most elderly patients affected by reflex vasodepressor syncope take one or more hypotensive drugs. The role of these drugs in causing syncope has not yet been established. We hypothesised that recurrence of syncope and presyncope can be reduced by discontinuing/reducing vasoactive therapy without increasing the risk of cardiovascular and neurological events. METHODS: This randomised, parallel, prospective, trial was conducted from January 2014 to March 2016 in four general hospitals. Of 328 initially screened participants, 58 patients (mean (SD) age 74±11 years) affected by vasodepressor reflex syncope, which was reproduced by tilt testing (n=54) or carotid sinus massage (n=4), were randomised to stop/reduce vasoactive therapy or to continue it. Primary end point was recurrence of syncope, presyncope or adverse events (defined as stroke, cerebral transient ischaemic attacks, worsening heart failure, myocardial infarction). RESULTS: Of 58 patients who were randomised, 55 completed the trial. After 1 month, systolic blood pressure was significantly higher in the 'stop/reduce' group than in the 'continue' group, in both supine (141±13 mm Hg vs 128±14 mm Hg; p=0.004) and standing (133±13 mm Hg vs 122±15 mm Hg; p=0.02) positions. During a mean follow-up of 13±7 months, the primary combined end point occurred in seven 'stop/reduce' patients (23%): three had syncope, three had presyncope and one had heart failure. Conversely, it occurred in 13 'continue' patients (54%): 10 had syncope, 2 had presyncope and 1 had cerebral transient ischaemic attack. The log-rank p value was 0.02 and the HR was 0.37 (95% CI 0.15 to 0.91). CONCLUSIONS: Recurrence of syncope and presyncope can be reduced by discontinuing/reducing vasoactive therapy in most elderly patients affected by reflex vasodepressor syncope. TRIAL REGISTRATION NUMBER: NCT01509534; EudraCT2013-004364-63; Results.

Overview

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Crossref · 10.1136/heartjnl-2016-309865

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18 of 18 references verified0 citation errors · 0 not checkable

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  • In a small randomized trial of 58 patients with vasodepressor reflex syncope on hypotensive drugs, discontinuation or reduction of vasoactive therapy reduced the primary combined endpoint of syncope, presyncope, and adverse events from 50% to 19% (hazard ratio 0.37) compared with a control group over 9 months.

    “In a small randomized trial 260 performed in 58 patients (mean age 74 ± 11 years) affected by vasodepressor reflex syncope diagnosed by tilt testing or CSM, who were taking on average 2.5 hypotensive drugs, discontinuation or reduction of the vasoactive therapy caused a reduction of the rate of the primary combined endpoint of syncope, presyncope, and adverse events from 50 to 19% (hazard ratio 0.”
  • Discontinuation or reduction of hypotensive therapy reduces the risk of syncope and falls.

    “Conversely, the discontinuation or reduction of hypotensive therapy reduces such risk. 260”

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Metadata

Authors
Solari, D., Tesi, F., Unterhuber, M., Gaggioli, G., Ungar, A., Tomaino, M., & Brignole, M.
Affiliations
  • Presidio Ospedaliero (IT)
  • Azienda Ospedaliero-Universitaria Careggi (IT)
  • Ospedale di Bolzano (IT)
  • Ospedale Villa Scassi (IT)
Corresponding author
Brignole, Michele
Venue
Heart
Publisher
BMJ
Published
2016-09-23
Volume
103
Issue
6
Pages
449-455
ISSN
  • 1355-6037 (ISSN-L)
  • 1468-201X
OpenAlex
W2521185291
Cited by
68
References
18
Citations by year
2026: 4 · 2025: 6 · 2024: 9 · 2023: 4 · 2022: 9 · 2021: 13 · 2020: 8 · 2019: 5 · 2018: 6 · 2017: 4
FWCI
5.55
Type
journal article
Language
en
Open access
closed
Locations
  • Heart (publishedVersion)
  • PubMed (publishedVersion)
  • Florence Research (University of Florence) (submittedVersion)
  • HighWire Press Open Archive (submittedVersion)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Syncope and Autonomic Disorders
  • Health Sciences › Medicine › Geriatrics and Gerontology › Pharmaceutical Practices and Patient Outcomes
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Heart Rate Variability and Autonomic Control
Keywords
reflex syncope, vasodepressor syncope, antihypertensive drugs, vasoactive therapy, drug discontinuation, syncope recurrence, presyncope, elderly patients, tilt table test, carotid sinus massage, systolic blood pressure, adverse events, stroke, heart failure, myocardial infarction, transient ischemic attack, antihypertensive therapy, antihypertensive withdrawal
MeSH terms
Aged, Aged, 80 and over, Blood Pressure, Cardiovascular System, Drug Administration Schedule, Female, Hospitals, General, Humans, Italy, Male, Middle Aged, Posture, Prospective Studies, Recurrence, Reflex, Vasoconstrictor Agents, Treatment Outcome, Tilt-Table Test, Syncope, Vasovagal

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