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Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance
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Management strategies for recurrent vasovagal syncope.

G Vaddadi1, S J Corcoran, M Esler

  • 1Human Neurotransmitter Laboratory, Baker IDI Heart and Diabetes Institute, Melbourne, Victoria, Australia. gautam.vaddadi@bakeridi.edu.au

Internal Medicine Journal
|August 20, 2010
PubMed
Summary

Vasovagal syncope (VVS) is a common cause of fainting. Identifying specific patient subtypes and employing tailored treatments, including lifestyle changes and occasional medication, can improve outcomes for recurrent VVS.

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Area of Science:

  • Cardiology
  • Neurology

Background:

  • Vasovagal syncope (VVS) is the most frequent cause of recurrent fainting, impacting both young and elderly populations.
  • Despite a high lifetime incidence of syncope (35%), diagnosis and treatment remain challenging.
  • Older patients often exhibit atypical VVS presentations, necessitating comprehensive diagnostic evaluations.

Purpose of the Study:

  • To review the diagnostic approaches and therapeutic strategies for vasovagal syncope.
  • To highlight the importance of identifying a distinct VVS subtype characterized by low supine systolic blood pressure.
  • To discuss the limited but available treatment options for recurrent VVS.

Main Methods:

  • Review of existing literature on vasovagal syncope diagnosis and management.
  • Emphasis on detailed patient history for diagnosis, particularly in younger individuals.
  • Identification of patient subgroups, such as those with low supine systolic blood pressure.

Main Results:

  • A detailed history is often sufficient for diagnosing VVS in younger patients.
  • Low supine systolic blood pressure identifies a distinct VVS subtype potentially responsive to tailored therapy.
  • Limited randomized trials exist, but patient education, trigger avoidance, hydration, and physical counter-pressure maneuvers form the cornerstone of VVS management.

Conclusions:

  • Tailored therapeutic approaches may benefit specific VVS patient subtypes.
  • Pharmacological interventions like fludrocortisone, midodrine, or SSRIs are reserved for select cases.
  • Permanent cardiac pacing is generally not recommended for VVS based on current evidence.