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Focal hepatic vein stenoses in diffuse liver disease
1Department of Radiology, University of Chicago, Illinois 60637, USA.
Summary
Focal hepatic vein stenosis is common in diffuse liver disease, often causing abnormal Doppler waveforms. This suggests stenosis increases resistance in hepatic venous circulation, impacting liver disease progression.
Area of Science:
- Radiology
- Hepatology
- Vascular Ultrasound
Background:
- Diffuse liver disease can lead to complications affecting hepatic venous circulation.
- Hepatic vein abnormalities can impact patient management, including liver transplantation and shunt procedures.
Purpose of the Study:
- To determine the frequency of focal hepatic vein stenosis in patients with diffuse liver disease.
- To investigate the relationship between hepatic vein stenosis and abnormal hepatic venous Doppler waveforms.
Main Methods:
- Prospective study of 92 patients undergoing evaluation for liver transplantation or transjugular intrahepatic portosystemic shunt.
- Utilized color flow and pulsed Doppler sonography to assess for focal hepatic vein stenoses and waveform abnormalities.
Main Results:
- 36 patients had no focal stenoses and normal hepatic venous Doppler curves.
- Focal stenoses were identified in 26 of 38 patients with Bolondi type I curves.
- Focal stenoses were present in 10 of 18 patients with damped type II curves.
Conclusions:
- Focal hepatic vein stenosis is frequently observed in diffuse liver disease.
- Abnormal hepatic venous Doppler waveforms, particularly damped type II curves, are associated with focal hepatic vein stenoses.
- Stenosis likely increases resistance in the hepatic venous circulation, contributing to abnormal flow patterns.