Can PSVD regress - Paris PSVD Meeting

Can PSVD regress - Paris PSVD Meeting

by Prof. Andrea de Gottardi

Life & Natural Systems Medicine & Health MMedicine and NursingMJJHepatology
🎙 Prof. Andrea de Gottardi 👥 2K 📅 January 23, 2026 ⏱ 20 min 👁 54 📄 expert opinion 🧭 2026-08-16
Available in: English (current) Français

Keywords

PSVDNRHobliterative portal venopathyfibrosis regressionportal hypertension

Summary

In this presentation from the Paris PSVD Meeting 2025, Prof. Andrea de Gottardi addresses the question of whether Porto-Sinusoidal Vascular Disease (PSVD) can regress. He begins by defining regression and highlighting the lack of a severity scale for PSVD. He then discusses biological plausibility, noting the liver’s regenerative capacity and evidence of fibrosis regression in cirrhosis. He reviews case reports showing clinical, biochemical, and radiological improvement in patients with nodular regenerative hyperplasia (NRH) after removal of causative factors, such as azathioprine discontinuation or treatment of vascular complications. However, he emphasizes that these are only case reports and may be subject to publication bias. For incomplete septal fibrosis, he draws parallels with cirrhosis regression, but notes that complete normalization is not described in humans. For obliterative portal venopathy (OPV), he finds no evidence of regression, with histopathological studies showing stable or progressive lesions. He concludes that PSVD regression is not a simple yes/no, with some subsets of NRH potentially reversible, but no evidence for OPV or incomplete septal fibrosis. He calls for standardized biopsy protocols and further research.

177 words

Critical Evaluation

Value of the Information & Strength of the Argument

The presentation provides a balanced and critical evaluation of the evidence for PSVD regression. It systematically reviews different subtypes (NRH, incomplete septal fibrosis, OPV) and types of evidence (histological, hemodynamic, biochemical, imaging). The argumentation is logical, acknowledging the limitations of case reports and the absence of evidence for certain subtypes. The speaker also addresses potential biases and methodological challenges, such as biopsy sampling variability. The discussion with the audience adds value by exploring clinical implications and future research directions.

Scientific Rigor, Source Quality, Title Accuracy

The talk demonstrates scientific rigor by referencing specific case reports and studies, though specific citations are not provided in the transcript. The speaker acknowledges the lack of large-scale studies and the reliance on case reports. The title accurately reflects the content, which is a focused review of the possibility of regression in PSVD. The presentation is part of a scientific meeting, indicating a professional audience and context.

161 words

Title / Content Match

The title accurately reflects the content, which focuses on the possibility of regression in PSVD.

Quality & Reliability

8/10

Presentation by a recognized expert in hepatology, based on a review of case reports and existing literature, with clear reasoning and acknowledgment of evidence limitations.

Key Moments

Markers derived by PSI from the transcript: the creator did not define chapters.

Cited Sources

  • FILFOIE website — Mentioned in the video description as the network organizing the meeting.

Concurring Sources

  • FILFOIE website — The network organizing the meeting, providing context for the presentation.

Contribution & Novelties

This presentation offers a structured and critical overview of the current evidence on PSVD regression, highlighting the heterogeneity among subtypes and the lack of evidence for certain forms. It emphasizes the need for standardized biopsy protocols and further research. The discussion also touches on the potential role of anticoagulation and treatment of associated conditions.

Pour aller plus loin :

  • Porto-sinusoidal vascular disease — Overview of PSVD, its subtypes, and clinical features.
  • Nodular regenerative hyperplasia — Detailed information on NRH, a subtype of PSVD.
  • Hepatic fibrosis — Background on liver fibrosis and its potential reversibility.
  • Portal hypertension — Understanding the hemodynamic consequences of liver disease.

104 words

Radar Profile

The radar profile shows high scores across all dimensions, indicating a well-rounded and reliable presentation. The speaker demonstrates strong knowledge and provides a balanced view, with no significant weaknesses in information quality or technical depth.

Reliability 8/10