Nocturnal Monitoring of Growth Hormone, Insulin, C-Peptide, and Glucose in Patients With Acromegaly

Autor: Lilian L. Zorrilla, Saul Rosenberg, David L. Marcus, Kirsten K. Jacob, Jir S. Tsai
Rok vydání: 1996
Předmět:
Zdroj: The American Journal of the Medical Sciences. 311:281-285
ISSN: 0002-9629
DOI: 10.1097/00000441-199606000-00010
Popis: Circulating growth hormone, insulin, C-peptide, and glucose levels were compared during the sleep state in adults with acromegaly and healthy control subjects. Growth hormone secretion was episodic in both groups, with the sleep-related growth hormone peak noticeably absent in the acromegalic subjects. The mean nocturnal plasma insulin concentration was greater in the acromegalics. There was no significant difference in the C-peptide between the two groups. Insulin and glucose levels did not show an early morning rise in either acromegalics or healthy subjects. The authors conclude that there is a marked difference in the circulating levels of growth hormone and insulin between the acromegalic and the healthy groups during the sleep state, and there is no sleep-related nocturnal growth hormone peak in the acromegalic subjects. The hyperinsulinism of patients with acromegaly cannot be attributed to excess secretion of insulin.
Databáze: OpenAIRE