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[Small liver vessels disorders].

Lucile Moga1, Pierre-Emmanuel Rautou1

  • 1Service d'hépatologie, AP-HP, hôpital Beaujon, DMU Digest, centre de référence des maladies vasculaires du foie, Filfoie, ERN Rare-Liver, Clichy, et Université Paris Cité, Inserm, centre de recherche sur l'inflammation, UMR 1149, Paris, France.

La Revue Du Praticien
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PubMed
Summary
This summary is machine-generated.

Small liver vessel disorders, like porto-sinusoidal vascular disorder (PSVD), cause portal hypertension without cirrhosis. Diagnosis relies on liver biopsy, and management mirrors cirrhosis care.

Keywords:
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Area of Science:

  • Hepatology
  • Vascular Medicine
  • Rare Diseases

Background:

  • Small liver vessel disorders encompass rare conditions affecting hepatic vasculature.
  • Porto-sinusoidal vascular disorder (PSVD) is the most common, characterized by portal hypertension without cirrhosis.
  • PSVD often links to extrahepatic conditions (immune, hematologic, toxic).

Purpose of the Study:

  • To highlight the diagnostic criteria and clinical significance of PSVD.
  • To emphasize the importance of considering PSVD in specific clinical scenarios.
  • To outline the management principles for PSVD.

Main Methods:

  • Diagnosis is confirmed via liver biopsy.
  • Screening for portal vein thrombosis using imaging every six months is crucial.
  • Clinical presentation and associated conditions guide diagnosis.

Main Results:

  • PSVD presents with portal hypertension and preserved liver function or low stiffness.
  • Variceal hemorrhage and portal vein thrombosis are key complications.
  • Liver failure is a rare outcome in PSVD.

Conclusions:

  • Consider PSVD in unexplained portal hypertension, especially with normal liver function/stiffness or associated extrahepatic conditions.
  • Early diagnosis and monitoring for complications like portal vein thrombosis are vital.
  • Management strategies for PSVD are similar to those for cirrhosis.