Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0023890 (cirrhosis)
42,195 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

An increased frequency of infections has been reported in patients with chronic liver disease. The tendency of patients in this population to acquire UTI is not completely understood. We aimed at investigating the incidence of UTI in children with cirrhosis, before liver transplantation. Twenty-six children (9 girls, 17 boys; mean age, 7.66 +/- 5.73 yr) with chronic liver disease who had undergone liver transplantation between 2002 and 2004 were included. On admission for liver transplantation, patients were examined for presence of UTI. Serum biochemistry, complete blood cell count, urinalysis and culture, glomerular filtration rate, and abdominal ultrasonography were performed prior to liver transplantation. Ten of 26 patients (38.5%) were found to have symptomatic UTI. Urine cultures revealed E. coli in five (50%), Klebsiella pneumoniae in three (30%), Enterococcus faecalis in one (10%), and Enterobacter aeruginosa in one (10%) patient(s), respectively, as etiologic factors. The etiologies of chronic liver disease in our patients with UTI were BA in five, PFIC in three, Wilson's disease in one, and alpha-1 antitrypsin deficiency in one patient. We found a significantly greater number of UTIs in patients with biliary atresia than in those without biliary atresia (p < 0.05). The mean age of the patients with UTI was 2.75 +/- 3.49 yr, which was significantly lower than in those without UTI (9.75 +/- 4.86 yr, p < 0.05). Levels for white blood cells, thrombocytes, ALT, and alkaline phosphatase were significantly higher in patients with UTI than in those without UTI. There were no significant differences between the groups with regard to serum albumin, bilirubin, AST, GGT, BUN, or creatinine levels, glomerular filtration rate, duration of disease, and PELD scores. In patients with bacteriuria, renal USG revealed normal findings in all, but except one patient who had pelvicalyceal dilatation. Scintigraphic findings demonstrated acute pyelonephritis in six (60%) patients with UTI. VCUG demonstrated vesicoureteral reflux in two patients. In conclusion, symptomatic UTI is common in children with cirrhosis. It occurs more frequently in patients with biliary atresia than it does in patients with other types of chronic liver disease. In febrile children with chronic liver disease, UTI should be considered in the differential diagnosis.
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PMID:Frequency of urinary tract infection in pediatric liver transplantation candidates. 1749 20

In this study, we analyze the demographic features, clinical and histopathological findings in patients who underwent liver transplantation for progressive familial intrahepatic cholestasis. We also analyze outcome and impact of liver transplantation on growth and bone mineral content. Most of the patients were presented with jaundice mainly beginning within the first six months. At the time of initial admission; eight patients had short stature (height SD score<2), and four patients had weight SD score<2. Liver transplantation were performed at the age of 43.2+/-27 months (range 9 to 96 months), 6.5+/-3.5 months later after the first admission. Infection, surgical complications and osmotic diarrhea associated with severe metabolic acidosis were noted in 41.4%, 16.6% and 33.3%, respectively. One patient developed posttransplant lymphoproliferative disorder. Overall; 1 year graft and patient survival was 69.2% and 75%, respectively. At the end of the 1st year only 2 patients had height SD score<2. Linear regression of height gain against increase in total body BMD measured at the time of transplantation and 1 year after liver transplantation gave a coefficient r=0.588 (p=0.074). No correlation was found between the height gain and age and PELD score at time of transplantation, and no difference was noted between the sexes and donor type. Liver transplantation is effective treatment modality with good outcome and little morbidity, and increases the growth acceleration in patients with PFIC associated with cirrhosis.
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PMID:Liver transplantation for progressive familial intrahepatic cholestasis: clinical and histopathological findings, outcome and impact on growth. 1766 86

An eight-month-old female, delivered to consanguineous parents, presented with acute liver cell failure. Her investigations showed progressive cholestatic jaundice, high liver enzymes and high gamma-glutamyl transferase. Hepatitis and inborn errors of metabolism were excluded. The liver biopsy showed a prominent parenchymal bile stasis without features of bile obstruction or paucity of bile ducts. These findings wee suggestive of Byler disease or progressive familial intra hepatic cholestasis type III (PFIC III) which begins in infancy and usually progresses to cirrhosis and hepatic failure in the first few years of life.
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PMID:PFIC type III in infant presenting as acute liver cell failure. 2055 50

Progressive familial intrahepatic cholestasis is a syndrome of severe cholestasis progressing to biliary cirrhosis and liver failure that develops in childhood. This report describes two siblings with PFIC-2 who underwent living-related liver transplantation from their genetically proven heterozygous parents. Both patients had normal gamma-glutamyl transpeptidase levels, but showed severe pruritus with sleep disturbance, cholestasis, jaundice and growth failure. Genetic testing of each patient revealed two missense mutations of the bile salt export pump, S901R and C1083Y, which have not previously been associated with PFIC-2. Usual medical treatment failed to improve their clinical symptoms, and the two siblings underwent living-related liver transplantation from their heterozygous parents. The transplants improved their clinical symptoms significantly, and the patients have since shown age-appropriate growth. Electron microscopic findings of the explanted liver of the younger sister revealed dense and amorphous bile, which is characteristic of PFIC-2. In the cases presented here, living-related liver transplantation from a heterozygous donor was associated with better quality of life and improvement of growth, and thus appears to be a feasible option for PFIC-2 patients. Mutation analysis is a useful tool to help decide the course of treatment of PFIC.
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PMID:Living-related liver transplantation for siblings with progressive familial intrahepatic cholestasis 2, with novel genetic findings. 2121 77

Hepatocellular carcinoma (HCC) is rare in children. Progressive familial intrahepatic cholestasis type II (PFIC2 and also called BSEP ((Bile Salt Export Pump)) deficiency) is an inherited disease that initiates end-stage liver cirrhosis which can predispose to HCC. HCC can occur in 15% of patients with PFIC2. In this case report, an 11-month-old boy with PFIC 2 was admitted for liver transplant work up. The finding of HCC was made incidentally by histopathology on the explanted liver after suspiciously gross examination. In this article, we found that the radiology (US) alone is not enough to exclude HCC. Finally, we conclude that any case of PFIC 2 (male or female) needs routine screening of serum AFP concentration, advanced radiological examination (CT, MRI) as well as careful macroscopic examination of their explanted liver (triple assessment) to exclude HCC.
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PMID:Hepatocellular Carcinoma in a Boy with Progressive familial Intrahepatic Cholestasis Type II: Challenging Identification: Case report. 2442 53

Objective: To evaluate the clinical utility of panel-based NGS in the diagnostic approach of monogenic cholestatic liver diseases. Study design: Patients with diagnosis of chronic cholestatic liver disease of an unknown etiology underwent NGS of targeted genes panel. Group 1 included five patients (prospectively recruited) hospitalized from January to December 2017 while group 2 included seventeen patients (retrospectively recruited) hospitalized from 2010 to 2017 presenting with low-GGT PFIC phenotype (group 2a, 11 patients) or indeterminant cholestatic liver cirrhosis (group 2b, 6 patients). Results: Among 22 patients enrolled into the study, 21 various pathogenic variants (including 11 novel) in 5 different genes (including ABCB11, ABCB4, TJP2, DGUOK, CYP27A1) were identified. The molecular confirmation was obtained in 15 out of 22 patients (68%). In group 1, two out of five patients presented with low-GGT cholestasis, and were diagnosed with BSEP deficiency. Out of three patients presenting with high-GGT cholestasis, one patient was diagnosed with PFIC-3, and the remaining two were not molecularly diagnosed. In group 2a, seven out of eleven patients, were diagnosed with BSEP deficiency and two with TJP-2 deficiency. In group 2b, three out of six patients were molecularly diagnosed; one with PFIC-3, one with CYP27A1 deficiency, and one with DGUOK deficiency. Conclusions: Panel-based NGS appears to be a very useful tool in diagnosis of monogenic cholestatic liver disorders in cases when extrahepatic causes have been primarily excluded. NGS presented the highest diagnosis rate to identify the molecular background of cholestatic liver diseases presenting with a low-GGT PFIC phenotype.
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PMID:Targeted Next-Generation Sequencing in Diagnostic Approach to Monogenic Cholestatic Liver Disorders-Single-Center Experience. 3279 33