ACTH-Induced Adrenal Hemorrhage

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Abstract
Four patients developed adrenal hemorrhage during treatment with intravenous adrenocorticotropic hormone (ACTH) for severe inflammatory bowel disease (IBD). This complication presented suddenly with upper abdominal and flank pain mimicking an acute surgical abdomen. In each patient the symptoms of the underlying bowel disease had subsided under the ACTH therapy. In our first patient the diagnosis was not made until laparotomy, but in the subsequent three patients the diagnosis was suspected by the strikingly similar clinical presentation. In each of these three latter patients the diagnosis was confirmed by sonography or computed tomography (CT) scan, and surgery was avoided. All four of our patients are doing well at 1–58 months of follow-up. Signs of adrenal insufficiency occurred only in the one of our four patients, and in those six of 11 previously reported patients, who had bilateral adrenal hemorrhage. ACTH-induced adrenal hemorrhage requires stopping ACTH and maintaining corticosteroid support. The diagnosis of adrenal hemorrhage should be considered in the patient treated with ACTH who develops unexplained acute abdominal or flank pain. Failure to recognize this complication of ACTH therapy can lead to unnecessary surgery or the dangerous continuation of the offending agent.

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