Autonomous cortisol secretion associated with 2- to 3-fold increase in mortality risk

A retrospective cohort study found that autonomous cortisol secretion was associated with 2- to 3-fold increased risk for death and cardiovascular disease in patients with adrenal incidentalomas. This information could help to inform decisions about which patients should be recommended for adrenalectomy. The findings are published in Annals of Internal Medicine.

Autonomous cortisol secretion in patients with adrenal tumors discovered incidentally on imaging, or incidentalomas, is associated with increased mortality, but how specific levels of cortisol secretion affect mortality risk is not known.

Researchers from Skane University Hospital, Sweden, studied consecutive patients who had adrenal incidentalomas identified between 2005 and 2015 at two hospitals in Sweden to measure the association between mortality and levels of autonomous cortisol secretion. Patients were grouped according to plasma cortisol levels of less than 50, 50 to 82, 83 to 137, or 138 nmol/L and higher. Data were collected from national registers for up to 14 years.

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