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1.
Clinical and Molecular Hepatology ; : 411-415, 2012.
Artículo en Inglés | WPRIM | ID: wpr-15268

RESUMEN

Erythropoietic protoporphyria (EPP) is an inherited disorder of the heme metabolic pathway that is characterized by accumulation of protoporphyrin in the blood, erythrocytes, and tissues, and cutaneous manifestations of photosensitivity, all resulting from abnormalities in ferrochelatase (FECH) activity due to mutations in the FECH gene. Protoporphyrin is excreted by the liver, and excess protoporphyrin leads to cholelithiasis with obstructive episodes and chronic liver disease, finally progressing to liver cirrhosis. Patients with end-stage EPP-associated liver disease require liver transplantation. We describe here a 31-year-old male patient with EPP who experienced acute-on-chronic liver failure and underwent deceased-donor liver transplantation. Surgical and postoperative care included specific shielding from exposure to ultraviolet radiation to prevent photosensitivity-associated adverse effects. The patient recovered uneventfully and was doing well 24 months after transplantation. Future prevention and treatment of liver disease are discussed in detail.


Asunto(s)
Adulto , Humanos , Masculino , Enfermedad Aguda , Enfermedad Hepática en Estado Terminal/etiología , Ferroquelatasa/genética , Cirrosis Hepática/diagnóstico , Trasplante de Hígado , Mutación , Protoporfiria Eritropoyética/complicaciones
2.
The Korean Journal of Hepatology ; : 83-88, 2010.
Artículo en Inglés | WPRIM | ID: wpr-98606

RESUMEN

Erythropoietic protoporphyria (EPP) is a rare disorder of heme biosynthesis caused by mutations in the gene encoding the enzyme ferrochelatase. In EPP, deficient ferrochelatase activity leads to the excessive production and biliary excretion of protoporphyrin (PP). The major clinical features of EPP are photosensitivity and hepatobiliary disease that may progress to severe liver disease, that are caused by the toxicity of PP. EPP-related liver disease has been treated medically or surgically including liver transplantation. We described a 20-year-old male with severe liver disease who was diagnosed with EPP based on clinical and laboratory findings. He was treated with cholestyramine resin. Six months after the treatment, he was doing well without any abdominal pain or photosensitivity.


Asunto(s)
Humanos , Masculino , Adulto Joven , Bilirrubina/sangre , Resina de Colestiramina/uso terapéutico , Edema/complicaciones , Eritema/complicaciones , Ferroquelatasa/genética , Hepatopatías/complicaciones , Protoporfiria Eritropoyética/complicaciones , Protoporfirinas/metabolismo
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