Ileal Neobladder: An Important Cause of Non-Anion Gap Metabolic Acidosis

Publication date: Available online 4 February 2017
Source:The Journal of Emergency Medicine
Author(s): Jesse W. St. Clair, Matthew L. Wong
BackgroundThe differential diagnosis for a non-anion gap metabolic acidosis is probably less well known than the differential diagnosis for an anion gap metabolic acidosis. One etiology of a non-anion gap acidosis is the consequence of ileal neobladder urinary diversion for the treatment of bladder cancer.Case ReportWe present a case of a patient with an ileal neobladder with a severe non-anion gap metabolic acidosis caused by a urinary tract infection and ureteroenterostomy.Why Should an Emergency Physician Be Aware of This?Part of the ileal neobladder surgery includes ureteroenterostomy and predisposes patients to several clinically significant metabolic derangements, including a non-anion gap metabolic acidosis. These patients have an increased chronic acid load, bicarbonate deficit, and hypokalemia, which should be appreciated when resuscitating these patients.



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