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Related Experiment Video

Updated: Jul 9, 2026

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance

Published on: March 21, 2013

Upright posture and postprandial hypotension in elderly persons.

M S Maurer¹, W Karmally, H Rivadeneira

¹Division of Circulatory Physiology, College of Physicians and Surgeons, Columbia University, 177 Fort Washington Avenue, MHB 5-435, New York, NY 10032, USA. msm10@columbia.edu

Annals of Internal Medicine

|October 3, 2000

Summary

Eating a meal can worsen orthostatic hypotension in older adults, increasing the risk of falls and syncope. Post-meal testing showed a higher incidence of symptomatic hypotension in elderly individuals.

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Area of Science:

Gerontology
Cardiovascular Physiology
Clinical Medicine

Background:

Syncope and falls are prevalent in the elderly, often multifactorial.
Orthostatic hypotension and postprandial hypotension incidence increases with age.

Purpose of the Study:

To investigate if meal ingestion exacerbates orthostatic hypotension in elderly individuals.
To assess the combined effect of eating and standing on blood pressure in seniors.

Main Methods:

Controlled paired comparison study in a clinical research center.
Fifty functionally independent elderly participants (mean age 78) underwent head-up tilt-table testing (60 degrees) before and after a high-carbohydrate meal.
Continuous monitoring of heart rate and blood pressure.

Main Results:

Meal ingestion and upright posture were independently associated with decreased systolic blood pressure.
No synergistic interaction was found between meal ingestion and upright posture.
Symptomatic hypotension increased from 12% pre-meal to 22% post-meal during tilt-table testing.
Symptomatic hypotension occurred more frequently and sooner after meals.

Conclusions:

Meal ingestion and head-up tilt-table testing independently contribute to symptomatic hypotension in the elderly.
A significant percentage of functionally independent elderly individuals experience symptomatic hypotension after a meal and prolonged standing.