Recommendations for tilt table testing and other provocative cardiovascular autonomic tests in conditions that may cause transient loss of consciousness: Consensus statement of the European Federation of Autonomic Societies (EFAS) endorsed by the American Autonomic Society (AAS) and the European Academy of Neurology (EAN)

Roland D Thijs, Michele Brignole, Cristian Falup-Pecurariu, Alessandra Fanciulli, Roy Freeman, Pietro Guaraldi, Jens Jordan, Mario Habek, Max Hilz, Anne Pavy-LeTraon, Iva Stankovic, Walter Struhal, Richard Sutton, Gregor Wenning, J Gert van Dijk

Research output: Journal article (peer-reviewed)Journal article

14 Citations (Scopus)

Abstract

An expert committee was formed to reach consensus on the use of Tilt Table Testing (TTT) in the diagnosis of disorders that may cause transient loss of consciousness (TLOC) and to outline when other provocative cardiovascular autonomic tests are needed. While TTT adds to history taking, it cannot be a substitute for it. An abnormal TTT result is most meaningful if the provoked event is recognised by patients or eyewitnesses as similar to spontaneous ones. The minimum requirements to perform TTT are a tilt table, a continuous beat-to-beat blood pressure monitor, at least one ECG lead, protocols for the indications stated below and trained staff. This basic equipment lends itself to perform (1) additional provocation tests, such as the active standing test carotid sinus massage and autonomic function tests; (2) additional measurements, such as video, EEG, transcranial Doppler, NIRS, end-tidal CO2 or neuro-endocrine tests; (3) tailor-made provocation procedures in those with a specific and consistent trigger of TLOC. TTT and other provocative cardiovascular autonomic tests are indicated if the initial evaluation does not yield a definite or highly likely diagnosis, but raises a suspicion of (1) reflex syncope, (2) the three forms of orthostatic hypotension (OH), i.e. initial, classic and delayed OH, as well as delayed orthostatic blood pressure recovery, (3) postural orthostatic tachycardia syndrome or (4) psychogenic pseudosyncope. A therapeutic indication for TTT is to teach patients with reflex syncope and OH to recognise hypotensive symptoms and to perform physical counter manoeuvres.

Original languageEnglish
Article number102792
Pages (from-to)102792
JournalAutonomic Neuroscience: Basic and Clinical
Volume233
DOIs
Publication statusPublished - Jul 2021

Keywords

  • Consensus
  • Humans
  • Neurology
  • Postural Orthostatic Tachycardia Syndrome
  • Tilt-Table Test
  • Unconsciousness
  • United States

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