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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Lanterna, Luigi A. Spreafico, Veronica Gritti, Paolo Prodam, Flavia Signorelli, Antonio Biroli, Francesco Aimaretti, Gianluca |
| Description | Author Affiliation: Lanterna LA ( Department of Neuroscience and Surgery of the Nervous System, Ospedali Riuniti, Bergamo, Italy. Electronic address: l.lanterna@gmail.com.) |
| Abstract | BACKGROUND: Hypopituitarism represents a common long-term complication of subarachnoid hemorrhage (SAH). The incidence of hypocortisolism may be higher during the acute phase of SAH. Although hypocortisolism may be harmful in critically ill SAH patients, data are still lacking. The primary objective of this study was to investigate the incidence of hypocortisolism during the acute phase of SAH (15 days). Secondary objectives included an analysis of the relationship between hypocortisolism and outcome and the computation of the cortisol-time secretion curve. METHODS: Clinical data of a consecutive series of 26 noncomatose patients with aneurysmal SAH were collected prospectively. The sample size was calculated considering an expected proportion of hypocortisolism of 30%, a confidence level of 95%, and a total width of confidence interval of 0.35. The definition of hypocortisolism (as taken from a statement from the critical care medicine task forces) includes random total cortisol <10 µg/dL or a Δtotal serum cortisol <9 µg/dL after 1 µg of corticotrophin hormone. RESULTS: Hypocortisolism was diagnosed in 11 patients (42.3%). Cortisol increment after stimulation test was always >9 µg/dl, suggesting a hypothalamic-pituitary impairment. Hypocortisolism was independently associated with a higher risk of poor outcome (P = .046) even after adjusting for age and Hunt and Hess grade. The cortisol-time secretion curve showed a peak at day 5 and a minimum at day 8. The peak at day 5 correlated with the risk of delayed cerebral ischemia (P = .001), and the cortisol concentration slope between days 1 and 8 correlated with the risk of poor outcome (P = .033). CONCLUSIONS: Patients with SAH are at high risk of secondary hypocortisolism during the first 15 days after bleeding. Hypocortisolism independently increases the risk of poor outcome. The acute phase of hypothalamo-pituitary dysfunction, as reflected by an abnormal day-by-day cortisol secretion pattern, may affect the risk of delayed cerebral ischemia. |
| File Format | HTM / HTML |
| ISSN | 10523057 |
| Issue Number | 7 |
| Volume Number | 22 |
| e-ISSN | 15328511 |
| Journal | Journal of Stroke and Cerebrovascular Diseases |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2013-10-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Prospective Studies Complications Humans Middle Aged Male Hydrocortisone Epidemiology Blood Journal Article Incidence Hypopituitarism Etiology Discipline Cardiology Subarachnoid Hemorrhage Adult Female Aged |
| Content Type | Text |
| Resource Type | Article |
| Subject | Rehabilitation Neurology (clinical) Surgery Cardiology and Cardiovascular Medicine |
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