PMID: 6991330May 1, 1980Paper

Integrated concentration of growth hormone in juvenile-onset diabetes

Diabetes
J T HayfordR G Thompson

Abstract

Twenty-four-hour patterns of plasma growth hormone concentrations were evaluated during 50 studies of 42 subjects with juvenile-onset diabetes mellitus. Blood was sampled continuously over 24 h using a portable peristaltic pump under conditions in which subjects remained ambulatory and maintained their daily dietary and insulin regimens. All diabetics showed diurnal patterns characterized by frequent episodes of secretion of growth hormone. The mean 24-h concentration of growth hormone, designated the integrated concentration, was significantly higher among juvenile-onset diabetics (P less than 0.001) than it was in age- and sex-matched nondiabetic populations. Juvenile-onset diabetics younger than 20 yr had significantly higher (P less than 0.005) growth hormone integrated concentrations than did older juvenile-onset diabetics. There was no statistically significant correlation between the integrated concentrations of glucose and growth hormone; thus, the study failed to provide us with support for the hypothesis that elevated growth hormone concentrations in diabetics are a consequence of hyperglycemia. Variability of diurnal glucose concentrations was positively correlated (P less than 0.015) with the growth hormone integrat...Continue Reading

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