Recent mapping of acute intermittent porphyria (AIP) in Sweden has Drugs contraindicated in acute porphyria (Läkemedel farliga vid akut porfyri), jointly. Pathogenesis and treatment of acute intermittent porphyria. R D Forrest [ PubMed]; Lithner F. Intravenös hematinbehandling av akut intermittent porfyri. All porphyrias result from partial deficiency of one of the enzymes of heme biosynthesis and, apart from the sporadic form of porphyria cutanea tarda, are.

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The minimum effective infusion frequency should be employed, usually a weekly dose of hemin infused via an in-dwelling venous catheter. The urine may be reddish-brown or red; however, this is not a constant finding especially if the sample is fresh. In the summary of the product characteristics, it is recommended that the concentrated heme arginate solution should be mixed with mL physiological saline in a glass container immediately before infusion into a large peripheral vein or through a central venous line over mins.

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Porfyri, akut intermittent | Svensk MeSH

Webarchive template wayback links Wikipedia articles needing page number citations from March CS1 Italian-language sources it CS1 Spanish-language sources es Infobox medical condition All articles with unsourced statements Articles with unsourced statements from February Br J Clin Pharmacol ; The color is enhanced by exposure to air and light and reflects increased urinary concentrations of porphyrins and porphobilins formed from the porphyrin precursor porphobilinogen PBG.


Liver transplantation for acute intermittent porphyria is complicated by a high rate of hepatic artery thrombosis. The term remission is used to describe individuals in whom previous symptoms of porphyria have resolved. Plasma porphyrin concentration is always increased and fluorescence emission spectroscopy distinguishes VP from all other porphyrias. All individuals with latent porphyria, the parents of affected individuals, and patients in remission should be advised about measures that diminish the risk of acute attacks:.

British National Formulary subscription required. Retrieved from ” https: Gastrointestinal features including nausea, vomiting, constipation or diarrhea, abdominal distention, and ileus are also common. Intravenous human hemin is the most effective treatment for acute neurovisceral attacks.

Primary liver cancer, other malignancies, and mortality risks following porphyria: Acute intermittent porphyria in Sweden: She first presented with AIP at 11 and is now Total fecal porphyrin concentration or coproporphyrin isomer poffiria is normal. It is rare for AIP to be diagnosed in U. Journal of the Royal Society of Medicine.

Clinics and Research in Hepatology and Gastroenterology. The autonomic and peripheral nervous system are more vulnerable than the central nervous system because they are not protected by the blood-brain barrier.

To confirm the diagnosis in a proband. Hereditary coproporphyria Harderoporphyria Variegate porphyria Erythropoietic protoporphyria. If the HMBS pathogenic variant is known in a family, at-risk relatives can benefit from molecular genetic testing to clarify their genetic status, so that those at increased risk of developing acute attacks of AIP can be identified early and counseled about preventive measures.


These symptoms resolve after the attack, though anxiety may persist.

Deaths may occur as a complication of HCC or liver transplantation. Muscle weakness often begins proximally in the legs but may involve the arms or legs distally and can progress to include respiratory muscles resulting in complete paralysis with respiratory failure. End-stage renal disease, which is thought to result from chronic systemic arterial hypertension, may be delayed through effective blood pressure control [ Andersson et al b ].

The porphyrias

Acute attack of AIP acute intermittent porphyria with severe vivax malaria associated with convulsions: Start appropriate supportive treatments using drugs that are safe in porfifia porphyria. Eur J Pediatr, Arch Intern Med ; Medical Journal, Armed Forces India. It is important to recognise that this pain differs from that of the acute attack itself and, wherever possible, to avoid using addictive analgesics for its management. Tests in GTR by Condition.