Endocrine Abstracts

Introduction: Ghrelin - a growth hormone (GH) secretagogue - presents a circadian rhythm with higher nocturnal concentration (similar to GH). As daily ghrelin production depended on food intake and nutritional state, we decided to assess ghrelin concentration at 60th at 90th minute after falling asleep and at 6:00 am (after 12 hours of fasting), and compare the results to determine the differences between nocturnal and morning ghrelin release in short children, both with idiop...