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Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance
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Syncope while driving: clinical characteristics, causes, and prognosis.

Dan Sorajja1, Gillian C Nesbitt, David O Hodge

  • 1Division of Cardiovascular Diseases, Mayo Clinic, 200 First St SW, Rochester, MN 55905, USA.

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|September 2, 2009
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Summary

Syncope while driving is often caused by neurally mediated syncope or cardiac arrhythmias. Late recurrences are possible, but the overall incidence of recurrent driving syncope is low, informing patient recommendations.

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Area of Science:

  • Cardiology
  • Neurology
  • Public Health

Background:

  • Syncope while driving poses significant risks to personal and public safety.
  • Understanding the characteristics and causes of driving syncope is crucial for risk assessment.

Purpose of the Study:

  • To define the clinical characteristics, causes, and prognosis of syncope occurring in drivers.
  • To provide data that can inform driving recommendations for individuals who have experienced syncope.

Main Methods:

  • A case-control study was conducted involving patients evaluated for syncope between 1996 and 1998.
  • 3877 patients were identified, with 381 (9.8%) experiencing syncope while driving.

Main Results:

  • The driving syncope group was younger, with a higher proportion of males and individuals with a history of cardiovascular disease or stroke.
  • Neurally mediated syncope (37.3%) and cardiac arrhythmias (11.8%) were the most frequent causes.
  • Long-term survival was comparable to the general population; however, late recurrences of syncope, including during driving, were observed.

Conclusions:

  • Neurally mediated syncope is the most common cause of syncope while driving.
  • Late recurrences of syncope can occur, emphasizing the need for careful evaluation and follow-up.
  • The study provides valuable data on the prognosis and recurrence patterns of driving syncope.