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High risk of pituitary dysfunction due to aneurysmal subarachnoid haemorrhage: a prospective investigation of anterior pituitary function in the acute phase and 12 months after the event

Objective  Recent investigations have provided evidence for a high prevalence of pituitary dysfunction in patients with subarachnoid haemorrhage (SAH). However, apart from one study, all of the previous data were obtained from retrospective studies. To our knowledge there is no previously reported study in which pituitary function was investigated in the same patients immediately after SAH and 12 months later. The aim of this study was to understand the prevalence and progression of anterior pituitary hormone deficiencies both in the acute phase of SAH and 12 months after the event.