4.7 Article

Distinct prognostic value of different portal hypertension-associated features in patients with primary biliary cholangitis

期刊

JOURNAL OF GASTROENTEROLOGY
卷 57, 期 2, 页码 99-110

出版社

SPRINGER JAPAN KK
DOI: 10.1007/s00535-021-01839-3

关键词

Portal hypertension; PBC; CSPH; Elastography; Decompensation

资金

  1. Medical University of Vienna

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In patients with primary biliary cholangitis, features of clinically significant portal hypertension may lead to an increased risk of decompensation and mortality. The combination of LSM and platelets serves as a valuable assessment tool for predicting long-term outcomes.
Background Primary biliary cholangitis (PBC) may progress to cirrhosis and clinically significant portal hypertension (CSPH). This study assesses different features of CSPH and their distinct prognostic impact regarding decompensation and survival in patients with PBC. Methods Patients with PBC were identified during a database query of our digital patient reporting system. Results A total of 333 PBC patients (mean age 54.3 years, 86.8% females, median follow-up 5.8 years) were retrospectively assessed and 127 (38.1%) showed features of CSPH: 63 (18.9%) developed varices, 98 (29.4%) splenomegaly, 62 (18.6%) ascites and 20 (15.7%) experienced acute variceal bleeding. Splenomegaly, portosystemic collaterals and esophageal varices were associated with an increased 5-year (5Y) risk of decompensation (15.0%, 17.8% and 20.9%, respectively). Patients without advanced chronic liver disease (ACLD) had a similar 5Y-transplant free survival (TFS) (96.6%) compared to patients with compensated ACLD (cACLD) but without CSPH (96.9%). On the contrary, PBC patients with cACLD and CSPH (57.4%) or decompensated ACLD (dACLD) (36.4%) had significantly decreased 5Y survival rates. The combination of LSM < 15 kPa and platelets >= 150G/L indicated a negligible risk for decompensation (5Y 0.0%) and for mortality (5Y 0.0%). Overall, 44 (13.2%) patients died, with 18 (40.9%) deaths attributed to CSPH-related complications. Conclusion In PBC, features of CSPH may occur early and indicate an increased risk for subsequent decompensation and mortality. Hence, regular screening and on-time treatment for CSPH is crucial. Combining LSM and platelets serves as a valuable preliminary assessment, as LSM < 15 kPa and platelets >= 150G/L indicate an excellent long-term outcome.

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