What type of study is this?

This is a Validation Study study.

What question did this study set out to answer?

This research aims to assess the relationship between gastric rhythm stability and gastroesophageal reflux disease symptoms.

December 8, 2025AJP Gastrointestinal and Liver PhysiologyOpen Access

Association between gastric rhythm and gastroesophageal reflux defined by simultaneous body surface gastric mapping and 24-hour pH testing

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Authors

CVChris VargheseMayo Clinic GSGabriel SchambergAuckland Institute of Studies AGArmen A. GharibansAuckland Institute of Studies

Discussion

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Implication

Prospective observational study reveals gastric rhythm instability links to symptom severity in gastroesophageal reflux disease, indicating a potential biomarker.

Key Points

This research aims to assess the relationship between gastric rhythm stability and gastroesophageal reflux disease symptoms.
Conducted a prospective observational study with matched controls.
Utilized gastric mapping and 24-hour pH testing for GERD symptom assessment.
Gastric Alimetry® was performed simultaneously with pH testing.
Data were analyzed in 15-minute segments.
GERD patients showed lower gastric rhythm stability compared to controls (p=0.011).
Lower gastric rhythm stability correlated with increased esophageal acid exposure (r=−0.46, p=0.042).
Rhythm instability was not linked to heartburn but associated with increased nausea (r=−0.22, p<0.001) and fullness (r=−0.28, p<0.001).

Cite This Study

Varghese et al. (2025) studied this question.

synapsesocial.com/papers/693624ce4fa91c937236cde3 https://doi.org/10.1152/ajpgi.00255.2025

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Implication

Prospective observational study reveals gastric rhythm instability links to symptom severity in gastroesophageal reflux disease, indicating a potential biomarker.