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Incidence of central diabetes insipidus in brain dead patients

Fran Rode ; School of Medicine University of Zagreb
Marinko Vučić ; Sestre milosrdnice University Hospital Center Zagreb

Puni tekst: engleski, pdf (63 KB) str. 0-0 preuzimanja: 17* citiraj
APA 6th Edition
Rode, F. i Vučić, M. (2019). Incidence of central diabetes insipidus in brain dead patients. Liječnički vjesnik, 141 (suppl.1), 0-0. Preuzeto s https://hrcak.srce.hr/225533
MLA 8th Edition
Rode, Fran i Marinko Vučić. "Incidence of central diabetes insipidus in brain dead patients." Liječnički vjesnik, vol. 141, br. suppl.1, 2019, str. 0-0. https://hrcak.srce.hr/225533. Citirano 18.01.2020.
Chicago 17th Edition
Rode, Fran i Marinko Vučić. "Incidence of central diabetes insipidus in brain dead patients." Liječnički vjesnik 141, br. suppl.1 (2019): 0-0. https://hrcak.srce.hr/225533
Harvard
Rode, F., i Vučić, M. (2019). 'Incidence of central diabetes insipidus in brain dead patients', Liječnički vjesnik, 141(suppl.1), str. 0-0. Preuzeto s: https://hrcak.srce.hr/225533 (Datum pristupa: 18.01.2020.)
Vancouver
Rode F, Vučić M. Incidence of central diabetes insipidus in brain dead patients. Liječnički vjesnik [Internet]. 2019 [pristupljeno 18.01.2020.];141(suppl.1):0-0. Dostupno na: https://hrcak.srce.hr/225533
IEEE
F. Rode i M. Vučić, "Incidence of central diabetes insipidus in brain dead patients", Liječnički vjesnik, vol.141, br. suppl.1, str. 0-0, 2019. [Online]. Dostupno na: https://hrcak.srce.hr/225533. [Citirano: 18.01.2020.]

Sažetak
Antidiuretic hormone (ADH), also called arginine vasopressin, is a hypothalamus-produced hormone stored and secreted in the posterior pituitary gland. When concentration of extracellular fluid increases, fluid leaks from hypothalamic osmoreceptor cells, creating a signal for ADH secretion. ADH is responsible for water retention in the kidneys. In brain dead patients, lack of ADH production occurs. Plasma half-life of ADH is 15-18 minutes. Therefore, full depletion of ADH should be expected soon after brain death, causing central diabetes insipidus (CDI). The aim of the study was to show incidence of CDI in brain dead patients. Data of patients with verified brain death at Sestre milosrdnice University Hospital Center in Zagreb from 2015 to 2018 were analysed. Poliuria, low urine specific gravity, hypernatriemia and response to desmopressin were criteria for CDI. In four year time period, 89 patients were verfied as brain dead. Out of them, 71 (79.8%) developed CDI. CDI was expected in all patients with defined brain death. However, only 79.8% of them developed CDI. One possible explanation may be preserved function of hypothalamic osmoregulation system in some patients. Parts of hypophisis and hypothalamus may stay sufficiently perfused by arteria hypophisialis inferior, which branches off extradural segment of arteria carotis interna, and is therefore protected from increased intracranial pressure. Other, less likely possibilities are presence of extracranial tumor with ADH secretion or passive ADH leakage from non-viable hypothalamic cells.

Ključne riječi
central diabetes insipidus, brain death

Hrčak ID: 225533

URI
https://hrcak.srce.hr/225533

Posjeta: 41 *