There was a substantial agreement between physician and patient using a symptom-predominant gastroparesis classification. Results suggest that a predominant-symptom classification is a valid means to categorize subjects with vomiting-predominant and regurgitation-predominant gastroparesis. Patients with dyspepsia and delayed gastric emptying need further research.

SUMMARY BackgroundImmediate-release omeprazole has a more rapid absorption compared with delayed-release omeprazole in asymptomatic volunteers. However, effects of delayed gastric emptying on omeprazole absorption remain unknown.

More physician awareness and education is needed on gastroparesis and the standardized four-hour gastric scintigraphy method, as well to clarify the management strategy for this condition.

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