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Pediatric adrenal insufficiency: thirty years experience at a Portuguese hospital

  • Sara M. F. S. Mosca ORCID logo EMAIL logo , Tiago S. Santos ORCID logo , Ana C. B. Mendes , Luís F. M. Ribeiro ORCID logo , Joana M. C. Freitas , Maria J. R. Oliveira ORCID logo , Carla A. Rocha and Teresa M. S. Borges ORCID logo
Published/Copyright: March 30, 2022

Abstract

Background

Adrenal insufficiency (AI) is a life-threatening condition caused by an impaired secretion of the adrenal glucocorticoid and mineralocorticoid hormones. It comprises a heterogeneous group of primary, secondary and acquired disorders. Presentation differs according to the child’s age, but it usually presents with nonspecific and insidious symptoms and signs. The main purpose of this study was to describe and compare patients with primary or secondary AI.

Methods

Retrospective analysis of all patients with adrenal insufficiency followed at the Pediatric Endocrinology Unit in a tertiary care Portuguese hospital over the last 30 years. Data on family history, age at the first manifestation and at etiological diagnosis, and clinical presentation (symptoms, signs and laboratory evaluation) was gathered for all patients.

Results

Twenty-eight patients with AI were included; 67.9% were male, with a median (25th–75th percentile, P25–P75) age of 1 (0.5–36) month at the first presentation. The principal diagnostic categories were panhypopituitarism (42.9%) and congenital adrenal hyperplasia (25%). The most frequent manifestations (75%) were vomiting and weight loss. They were followed for a median (P25–P75) period of 3.5 (0.6–15.5) years. In respect to neurodevelopmental delay and learning difficulties, they were more common in the secondary AI group.

Conclusions

Despite medical advances, the diagnosis and management of AI remains a challenge, particularly in the pediatric population, and clinicians must have a high index of suspicion. An early identification of AI can prevent a potential lethal outcome, which may result from severe cardiovascular and hemodynamic instability.


Corresponding author: Sara M. F. S. Mosca, MD, Department of Pediatrics, Pediatric Endocrinology Unit, Centro Materno-Infantil do Norte, Centro Hospitalar Universitário do Porto (CMIN-CHUPorto), Porto, Portugal, E-mail:

  1. Research funding: This research did not receive any specific grant from any funding agency in the public, commercial or not-for-profit sector.

  2. Author contribution: All authors have accepted responsibility for the entire content of this manuscript and approved its submission.

  3. Competing interests: There is no conflict of interest that could be perceived as prejudicing the impartiality of the research reported.

  4. Informed consent: Informed consent was obtained from all individuals included in this study.

  5. Ethical approval: The local Institutional Review Board deemed the study exempt from review.

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Received: 2021-12-02
Revised: 2022-01-09
Accepted: 2022-03-07
Published Online: 2022-03-30
Published in Print: 2022-05-25

© 2022 Walter de Gruyter GmbH, Berlin/Boston

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