Protocol For Patients With Suspected Acute Porphyria

Revista clínica española
F J Castelbón FernándezM Morales Conejo

Abstract

Porphyrias are a group of congenital errors in porphyrin metabolism and in the heme biosynthetic pathway. Accumulation of porphyrin precursors (delta-aminolaevulinic acid and porphobilinogen) is responsible for the neurovisceral crises of acute porphyria, which, when expressed clinically, start with intense abdominal pain. During crises, the urinary elimination of porphobilinogen and delta-aminolaevulinic acid is always very high. Excessive porphobilinogen concentration in urine is easily identified using the simple Hoesch test. A negative test rules out a current porphyric crisis. The clinical protocol for patients with acute abdominal pain of unknown origin in whom a positive Hoesch test leads to the suspicion of acute porphyria is based on the following aspects: initial clinical assessment in the emergency department, suppression of potential triggers, specific treatment for the crisis with hemin and/or glucose overload and symptomatic treatment.

Citations

Aug 28, 2021·Diagnostics·Elena Di PierroSilvia Fustinoni

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