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Updated: Jun 27, 2026

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Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance
Published on: March 21, 2013
Head-up sleeping improves orthostatic tolerance in patients with syncope
Victoria L Cooper1, Roger Hainsworth
1Cardiorespiratory Unit, St James's University Hospital, Leeds, UK.
Summary
Head-up sleeping effectively treats vasovagal syncope in most patients by improving orthostatic tolerance. This simple, non-pharmacological approach offers a promising alternative for managing syncope symptoms.
Area of Science:
- Cardiology
- Neurology
- Sleep Medicine
Background:
- Vasovagal syncope management is challenging, with limited effective non-pharmacological options.
- Existing treatments like salt/fluid loading may be unsuitable or ineffective for some patients.
- Head-up sleeping presents a novel, simple intervention for vasovagal syncope.
Purpose of the Study:
- To evaluate the efficacy of head-up sleeping as a treatment for vasovagal syncope.
- To assess the impact of head-up sleeping on orthostatic tolerance in patients with vasovagal syncope.
Main Methods:
- Twelve patients diagnosed with vasovagal syncope participated.
- Patients slept with the head-end of their bed elevated by 10 degrees for 3-4 months.
- Orthostatic tolerance was reassessed using a head-up tilt test.
Main Results:
- 92% of patients demonstrated significant improvement in orthostatic tolerance.
- A significant increase in plasma volume was observed in eight patients.
- No significant changes in resting or tilted heart rate or blood pressure were noted.
Conclusions:
- Head-up sleeping is a simple, effective non-pharmacological treatment for the majority of vasovagal syncope patients.
- Long-term tolerability by patients and bed partners requires further investigation.
- The persistence of treatment effects after cessation remains undetermined.
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