Endocrine Abstracts

Introduction: Short synacthen test (SST) is of value in assessing the adequacy of hypothalamic–pituitary–adrenal axis (HPA). Although it is extensively used, it is unclear at what morning cortisol concentration one should consider performing the SST.Methods: Retrospective observational study of consecutively performed SST (250 μg) between January 2009 and March 2010. Plasma cortisol was measured by enzyme immunoassay (Siemens Advia, Siemen...