Reversibility of Acute Adrenal Insufficiency after hip Replacement: A Case Series

Adele Latina, Micaela Pellegrino, Alfonsina Chiefari, Pina Lardo, Anna Pia, Giuseppe Reimondo, Giorgio Borretta

Research output: Contribution to journalArticlepeer-review

Abstract

BACKGROUND: Acute adrenal insufficiency is a rare but potentially lethal condition that is important to identify promptly and treat with replacement therapy. It can be due to adrenal hemorrhage that can occur after major orthopedic surgery. Few data are available about potential recovery of adrenal function, as well as both timing and modality of cortisone acetate withdrawal, probably due to the assumption that adrenal failure is definitive. A not massive adrenal damage can justify a partial, or potentially complete, recovery of adrenal function.

OBJECTIVE: The aim of our article is to highlight the periodical revaluation of adrenal reserve in order to identify those patients who are able to interrupt replacement therapy.

METHODS: We had recently described a case of acute adrenal insufficiency, which developed shortly after hip replacement; the patient was able to discontinue cortisone acetate treatment 46 months after the diagnosis and remained untreated up to five years later. We found other two cases of acute adrenal insufficiency that developed about one week after major orthopedic surgery. We followed such patients for about three years, repeatedly reassessing adrenal imaging and cortisol response to 250 µg ACTH test, in order to ascertain the real need of lifetime substitutive treatment with cortisone acetate.

RESULTS: Acute adrenal insufficiency partially reverted during the follow up for both patients. We observed a reduction in adrenal glands' volume and a progressive improvement of cortisol basal levels, without response (or with a poor one) to ACTH stimulation, as well as with ACTH basal levels persistently above the normal range after 36 and 28 months respectively after the acute event.

CONCLUSIONS: The present finding suggests that patients developing acute adrenal insufficiency after major orthopedic surgery must undergo long-term surveillance, in order to establish if steroid replacement has to be continued, or if it can be safely withdrawn.

Original languageEnglish
JournalEndocrine, Metabolic and Immune Disorders - Drug Targets
DOIs
Publication statusE-pub ahead of print - Oct 13 2020
Externally publishedYes

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