Pediatric Primary Sclerosing Cholangitis Treatment & Management
- Author: David A Piccoli, MD; Chief Editor: Carmen Cuffari, MD more...
Approach Considerations
No pharmacologic therapy has been proven effective for primary sclerosing cholangitis (PSC). Drug therapy is aimed at treating symptoms and managing complications. Orthotopic liver transplantation (OLT) has been proven successful in treating children with primary sclerosing cholangitis. Liver transplantation is the only therapy that can alter the eventual outcome.
Surgical drainage procedures (eg, portoenterostomy, choledochoenterostomy) are insignificant in the management of PSC. These procedures may provide palliation but do not alter the natural history of the disease because of the consistent involvement of the intrahepatic biliary tree. Surgical drainage procedures are associated with an increased risk of cholangitis postoperatively, and subsequent liver transplantation may become technically more difficult.
Dominant strictures of the extrahepatic biliary tree, most often at the bifurcation of the hepatic ducts, are major problems for patients with PSC. Transhepatic or endoscopic balloon dilatation of strictures has been shown to be useful in children with PSC. Short-term stenting of strictures has also demonstrated clinical improvement of symptomatic strictures.
Surgical, endoscopic, and interventional radiologic procedures to relieve symptomatic dominant strictures have been demonstrated to prolong survival time of the native liver in patients with PSC, but none of these interventions have altered the ultimate rate of progression of PSC to end-stage liver disease.
Bacterial cholangitis, which can occur spontaneously, is more common after endoscopic or surgical manipulation of the biliary tree. Episodes of cholangitis require prompt antibiotic therapy.
Pharmacologic Therapy
Pharmacologic treatment of patients with primary sclerosing cholangitis (PSC) should be directed at managing the following[15] :
- Cirrhosis and portal hypertension
- Chronic cholestasis with pruritus and malabsorption
- Ductular complications, such as dominant strictures, cholelithiasis, and ascending bacterial cholangitis
- Other associated diseases, such as inflammatory bowel disease (IBD) or other autoimmune diseases
Choleretic therapy with ursodeoxycholic acid (UDCA) reportedly improves symptoms and biochemical abnormalities in adult patients with PSC. Some observational and controlled trial data also suggest a reduction in colonic dysplasia rates with UDCA.[16] Children with PSC experience significant improvements in their liver biochemical indices when treated with UDCA; however, the long-term effect of UDCA on the clinical outcome of PSC has not been determined.[17, 18, 19]
Liver Transplantation
Orthotopic liver transplantation (OLT) has been proven successful in treating children with primary sclerosing cholangitis (PSC). Data from numerous liver transplantation centers demonstrate excellent long-term patient and graft survival for patients with end-stage PSC.[20, 21, 22, 23]
Actuarial patient survival rates after OLT for PSC have been shown to be greater than 90% at 1 year and approximately 90% at 5 years. In one study, although children with PSC had patient- and graft-survival rates equaling those of age-matched children who underwent transplantation for other indications, patients with coexisting inflammatory bowel disease demonstrated poorer outcomes. Overall, posttransplant PSC recurrence was noted in 9.8%, and compared with other graft recipients, PSC patients had higher mean liver enzyme levels 5 years post transplant.[24]
Diet
As with other cholestatic disorders, provide fat-soluble vitamin supplementation (vitamins A, D, E, K) and nutritional support to ensure adequate growth. If the patient has steatorrhea, medium-chain triglycerides should be added to the diet. If pancreatic enzyme deficiency is present, oral supplementation is necessary, and calcium supplementation for bone disease may also be needed.
Consultations
Despite progress in early recognition, optimal treatment of patients with primary sclerosing cholangitis remains a challenge and requires a multidisciplinary approach between hepatologists, endoscopists, surgeons, and interventional radiologists. Consultation with a gastroenterologist is necessary, and an endocrinologist may be consulted for management of bone disease.
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