Key result
Impedance monitoring and barium esophagram agreed on the bolus transit pattern type in 97% (83/86) of swallows in healthy volunteers.
Population
15 normal volunteers (11 women, age 43 yr)
Design
Cross-sectional
Follow-up
2 min
Authors
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Impedance monitoring shows high agreement with barium in healthy volunteers; supports further validation but leaves open utility in symptomatic patients.
Cross-Sectional (n=15)
Impedance monitoring is a valid test for assessing bolus transit patterns, showing 97% agreement with the gold standard barium esophagram in healthy subjects.
Imam et al. (2005) conducted a cross-sectional in Healthy subjects (n=15). Impedance monitoring vs. Barium esophagram was evaluated on Agreement on bolus transit pattern type. Impedance monitoring and barium esophagram agreed on the bolus transit pattern type in 97% (83/86) of swallows in healthy volunteers.
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