• Marcos Ezequiel Yasuda, Daniela Renedo, Soledad Sosa, Karina Danilowicz, Rodolfo Recalde, Roberto Zaninovich, Santiago Gonzalez Abbati, Andrés Cervio, Sebastian Giovannini, Juan Villalonga, Liezel Ulloque-Caamaño, Kesava Reddy, Mariano Socolovsky, and Alvaro Campero.
• Department of Neurosurgy, Hospital de Clínicas "José de San Martín", School of Medicine, University of Buenos Aires, Buenos Aires, Argentina; Neurosurgery Department, School of Medicine, McMaster University, Hamilton, Canada. Electronic address: ezequielyasuda@gmail.com.
• World Neurosurg. 2023 Jul 1; 175: e636e643e636-e643.

ObjectiveTo analyze and find risk factors associated with developing transient diabetes insipidus (DI) using a multicenter case series after trans-sphenoidal surgery.MethodsMedical records of patients who underwent trans-sphenoidal surgery for pituitary adenoma resection between 2010 and 2021 at 3 different neurosurgical centers by 4 experienced neurosurgeons were retrospectively analyzed. The patients were divided into 2 groups (DI group or control group). Logistic regression analysis was conducted to identify risk factors associated with postoperative DI. Univariate logistic regression was performed to identify variables of interest. Covariates with a P value <0.05 were incorporated into multivariate logistic regression models to identify independently associated risk factors for DI. All statistical tests were conducted using RStudio.ResultsA total of 344 patients were included; 68% were women, the mean age was 46.5 years, and nonfunctioning adenomas were the most frequent (171, 49.7%). The mean tumor size was 20.3 mm. Covariates associated with postoperative DI were age, female gender, and gross total resection. The multivariable model showed that age (odds ratio [OR] 0.97, CI 0.95-0.99, P = 0.017) and female gender (OR 2.92, CI 1.50-6.03, P = 0.002) remained significant predictors of DI development. Gross total resection was no longer a significant predictor of DI in the multivariable model (OR 1.86, CI 0.99-3.71, P = 0.063), suggesting that this variable may be confounded by other factors.ConclusionsThe independent risk factors for the development of transient DI were female and young patients.Copyright © 2023 Elsevier Inc. All rights reserved.

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