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Liver transplantation for decompensated liver cirrhosis caused by progressive familial intrahepatic cholestasis type 3: A case report.

ABSTRACT: Progressive familial intrahepatic cholestasis (PFIC) type 3, characterized by high gamma glutamyl transferase (GGT), is an autosomal recessive genetic disease. It often occurs in patients' first years of age. However, high GGT type PFIC is still rare.The present study reports a case of liver transplantation for decompensated liver cirrhosis caused by PFIC type 3. An 18-year-old male presented with a history of abdominal distension and jaundice for 2 months. He had abdominal tenderness but no rebounding pain. Moreover, his dullness was felt over the liver and the spleen was palpable 8?cm below the ribs.Computed tomography and magnetic resonance cholangiopancreato graphy of the upper abdomen revealed cirrhosis, portal hypertension, collateral circulation formation, large spleen, and ascites. Blood biochemistry showed high alanine transaminase, aspartate transaminase, and GGT. The diagnosis of decompensated liver cirrhosis caused by PFIC-3 was finally confirmed by plasma gene detecting.The patient received an open surgery named allogeneic liver transplantation after successful matching of immune types between the recipient and donor. Peritoneal puncture and catheter drainage under B-ultrasound was performed when an encapsulated effusion between the liver and stomach arose.The patient was discharged without specific discomfort and was almost free of fluid accumulation 51 days after the surgery. At the 6-month follow-up, he had no discomfort and the blood routine, liver functions showed no abnormalities.We found a new mutant fragment of ABCB4 gene in the process of diagnosis. Liver transplantation remains the most definitive treatment for PFIC. Current medical therapies and surgical interventions such as biliary diversion have potentially created a synergistic outcome.

SUBMITTER: Xiang D

PROVIDER: S-EPMC5815735 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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Project description:BackgroundProgressive familial intrahepatic cholestasis (PFIC) is a group of rapidly progressive autosomal recessive disorders characterized by intrahepatic cholestasis. PFIC-3 is caused by mutations in the ATP-binding cassette subfamily B member 4 gene (ABCB4), which encodes multidrug resistance protein 3 (MDR3/ABCB4). Patients are usually in infancy or childhood, but cirrhosis and portal hypertension may be the first manifestation in older children or young adults.Case presentationA 25-year-old young woman with recurrent abnormal hepatic function was mainly characterized by increased gamma glutamyl transpeptidase (GGT) and bile acid with cryptogenic cirrhosis. After 7 months of treatment with ursodeoxycholic acid (UDCA), her hepatic pathology suggested there were also obvious widening and venous fibrosis around the portal vein, and slight bile duct hyperplasia at the edge of the portal area. Infiltration of inflammatory cells around the portal vein and hepatocyte ABCB4/MDR3 protein was basically normal. Sequencing indicated the patient had heterozygous mutations in the ABCB4 gene: c.2696C > G and wes [hg19]7q21.12(87032513-87033422) × 1. Through SWISS-MODEL Predict for protein structures, the missense mutation results in protein side chain missing a methyl group (-CH3), and the deletion mutation results in the serious damage to the structure of MDR3 protein which lead to phosphatidylcholine deficiency of bile in the capillary bile ducts. The toxic effect of bile salts then damages the bile ducts, causing cholestasis and cholangitis, which can then develop into biliary cirrhosis. Through the analysis of pathogenicity prediction software, the mutations led to PFIC3. After treatment of UDCA for 29 months, her cirrhosis was improved, hepatic function was close to normal.ConclusionNovel heterozygous mutations are the molecular pathological cause of PFIC3 in this patient. All young adult patients with occult cirrhosis should be tested for ABCB4. Early diagnosis of PFIC3 and continued treatment with UDCA are key to improving prognosis and delaying the onset of end-stage liver disease.

Project description:BackgroundProgressive familial intrahepatic cholestasis is a rare, heterogeneous group of liver disorders of autosomal recessive inheritance, characterised by an early onset of cholestasis with pruritus and malabsorption, which rapidly progresses, eventually culminating in liver failure. For children and their parents, PFIC is an extremely distressing disease. Significant pruritus can lead to severe cutaneous mutilation and may affect many activities of daily living through loss of sleep, irritability, poor attention, and impaired school performance.MethodsDatabases including MEDLINE and Embase were searched for publications on PFIC prevalence, incidence or natural history, and the economic burden or health-related quality of life of patients with PFIC. Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines were followed.ResultsThree systematic reviews and twenty-two studies were eligible for inclusion for the epidemiology of PFIC including a total of 2603 patients. Study periods ranged from 3 to 33 years. Local population prevalence of PFIC was reported in three studies, ranging from 9.0 to 12.0% of children admitted with cholestasis, acute liver failure, or splenomegaly. The most detailed data come from the NAPPED study where native liver survival of >15 years is predicted in PFIC2 patients with a serum bile acid concentration below 102 µmol/L following bile diversion surgery. Burden of disease was mainly reported through health-related quality of life (HRQL), rates of surgery and survival. Rates of biliary diversion and liver transplant varied widely depending on study period, sample size and PFIC type, with many patients have multiple surgeries and progressing to liver transplant. This renders data unsuitable for comparison.ConclusionUsing robust and transparent methods, this systematic review summarises our current knowledge of PFIC. The epidemiological overview is highly mixed and dependent on presentation and PFIC subtype. Only two studies reported HRQL and mortality results were variable across different subtypes. Lack of data and extensive heterogeneity severely limit understanding across this disease area, particularly variation around and within subtypes.

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Liver transplantation for decompensated liver cirrhosis caused by progressive familial intrahepatic cholestasis type 3: A case report.

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