“…In one study, propofol was used to induce anaesthesia in a patient with AIP with apparent safety [24], whereas another case report indicated that urinary concentrations of porphyrin and PBG increased in a VP patient anaesthetized with propofol [25]. However, this patient had been exposed to several anaesthetics over a few days, including an infusion of propofol, and the changes in concentrations of porphyrin and PBG were unconvincing [26,27]. The patient did not experience acute symptoms.…”