Journal
JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM
Volume 95, Issue 10, Pages 4660-4668Publisher
ENDOCRINE SOC
DOI: 10.1210/jc.2010-0611
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Funding
- Fondazione Cassa di Risparmio di Ferrara
- Associazione Ferrarese dell'Ipertensione Arteriosa
- Italian Ministry of University and Scientific and Technological Research
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Backround: Stroke is a leading cause of death in industrialized countries, representing the main cause of long-term disability. Recent studies indicate that hypopituitarism may be observed after an acute stroke. Objective: The aim was to prospectively investigate incidence and pattern of pituitary dysfunction in patients suffering ischemic stroke and to assess the predictive value of different clinical and radiological parameters for hypopituitarism. Patients and Methods: We assessed endocrine, clinical, radiological, and functional parameters in 56 patients (34 males; mean age, 64.8 +/- 1.3 yr; mean body mass index, 25.8 +/- 0.45 kg/m(2)) at 1-3 months (visit 1) and 12-15 months (visit 2) after an ischemic stroke. Results: At visit 1, hypopituitarism was detected in 20 (35.7%) of 56 stroke patients, with multiple deficits in three and isolated deficits in 17. At visit 2, hypopituitarism was detected in 18 (37.5%) of 48 stroke patients, with multiple deficits in two. Four patients with previously diagnosed isolated GH or LH/FSH deficit exhibited normal pituitary function, whereas GH deficiency was newly diagnosed in three cases. Hypopituitarism was associated with worse outcome. We identified both clinical (preexisting diabetes mellitus, medical complications during hospitalization) and radiological (Alberta Stroke Programme Early CT Score <= 7) parameters as major risk factors for developing hypopituitarism after ischemic stroke. Conclusions: Hypopituitarism may associate with ischemic stroke in one third of cases and persist in a long-term period, aggravating the functional outcome. We identified specific risk factors for hypopituitarism after stroke, which may help to select patients needing an accurate endocrine evaluation to improve stroke outcome. (J Clin Endocrinol Metab 95: 4660-4668, 2010)
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