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Diabetes insipidus complicating apoplexy during pregnancy: the potential use of copeptin
Author(s) -
Bichard Lisa K.,
Torpy David J.
Publication year - 2020
Publication title -
internal medicine journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.596
H-Index - 70
eISSN - 1445-5994
pISSN - 1444-0903
DOI - 10.1111/imj.14918
Subject(s) - medicine , polyuria , diabetes insipidus , copeptin , pituitary apoplexy , urine osmolality , pregnancy , polydipsia , thirst , complication , pediatrics , endocrinology , diabetes mellitus , pituitary adenoma , obstetrics , adenoma , vasopressin , biology , genetics
Pituitary apoplexy during pregnancy is rare but important to recognise, particularly in the hyperoestrogenaemic state when known lactotroph hyperplasia occurs. Untreated, the complication rates from pituitary adenomas depend on the size of the adenoma before pregnancy. A history of thirst plus polydipsia during pregnancy raises suspicion for diabetes insipidus and a 24‐h urine collection quantifying polyuria with an inappropriately low urine osmolality confirms the diagnosis. Further evaluation for assessing diabetes insipidus in pregnancy may be facilitated by the use of a copeptin.