ECE2016 Eposter Presentations Pituitary - Clinical (83 abstracts)
Serum cortisol in the early post operative period after transphenoidal surgery to predict adrenal insufficiency
Inmaculada Gonzalez-Molero 1 , Monserrat Gonzalo-Marin 1 , Silvia Maraver Selfa 3 , Laura Gonzalez Garcia 2 , Rida Naghib 1 , Stella Gonzalez Romero 1 , Juan García Arnes 4 , Miguel Angel Arraez 2 & Francisco Tinahones 1,
1Regional Universitary Hospital, Endocrinology Department, Málaga, Spain; 2Regional Universitary Hospital, Neurosurgery Department, Málaga, Spain; 3Virgen de la Victoria Hospital, Endocrinology Department, Málaga, Spain; 4Malaga University, Málaga, Spain.
Adrenal insufficiency is a common complication of transsphenoidal surgery (TSS) for pituitary adenoma. It is very important to identify patients requiring glucocorticoid replacement, minimising risks of adrenal insufficiency.
Aim: To assess the performance of early (3° day) post-TSS 08:00 a.m. cortisol measurement to detect and exclude secondary adrenal insufficiency.
Methods: We selected patients undergoing TSS in our hospital during 12 months and performed a 3° day postoperative 08:00 a.m. cortisol measurement and cortisol±Synachten 6 months post-surgery. All patients received perioperative glucocorticoid replacement (First and second days postsurgery) unless basal cortisol was >10 microg/dl and cortisol after Synachten >23 microg/dl previous to surgery. We excluded patients with previous diagnosed and treated adrenal insuficiency. In patients with 3° day cortisol lower than 10 microg/dl we maintained glucocorticoid treatment until reevaluation with cortisol/Synachten 6 months post-surgery.In patients with 3° day cortisol higher than 10 microg/dl glucocorticoids were discontinued.
Results: Data were reviewed from 20 patients (9 males, mean age 52.8 years), 18 with macroadenomas, 8 patients with cushing disease. Patients with adenomas no cushing: all patients with 3° day cortisol >15 microg/dl had normal cortisol/Synachten 6 months post-surgery. 2 patients with 3° day cortisol between 10 and 15 microg/dl had adrenal insufficiency 6 months postsurgery. 1 patient with 3° day cortisol<10 microg/dl mantained adrenal insuficiency 6 months postsurgery. Cushing disease: all patients with 3° day cortisol >10 microg/dl had not adrenal insuficiency 6 months postsurgery, all except one with recurrence. All patients with 3° day cortisol <10 microg/dl had not recurrences, all except one with adrenal insufficiency.
Conclusion: A 3° day post-TSS cortisol >15 microg/dl is a safe cutt off to discarge adrenal insufficiency. In cushing disease, a level <10 microg/dl predict a low likelihood of recurrences.
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Endocrine Abstracts
ISSN 1470-3947 (print) | ISSN 1479-6848 (online)
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