Relationship between hemodynamic parameters and portal venous pressure in cirrhosis patients with portal hypertension

Hongjuan Yao1, Yongliang Wang2

  • 1Department of Gastroenterology, Xi'an Gaoxin Hospital, Xi'an, 710075, China.

Open Life Sciences
|April 5, 2021
PubMed

Insights

Doppler ultrasound can assess portal hypertension (PHT) in cirrhosis patients by measuring hemodynamic indexes. This noninvasive technique shows promise for evaluating portal venous pressure (PVP) and guiding PHT treatment strategies.

Area of Science:

  • Hepatology
  • Vascular Medicine
  • Diagnostic Imaging

Background:

  • Cirrhosis from viral and alcoholic hepatitis is a leading cause of portal hypertension (PHT).
  • Complications of PHT are directly linked to portal venous pressure (PVP), making PVP assessment crucial for treatment.
  • Current methods to reduce portal pressure may have hemodynamic side effects.

Purpose of the Study:

  • To investigate the correlation between hemodynamic indexes and PVP in cirrhotic PHT patients.
  • To evaluate the clinical utility of Doppler ultrasound in measuring PVP in PHT patients.
  • To explore the relationship between liver function grading and hemodynamic parameters in PHT.

Main Methods:

  • Ninety cirrhotic PHT patients and fifty healthy controls underwent Doppler ultrasound measurements.
  • Liver hemodynamic parameters including portal vein velocity (PVV), splenic vein velocity (SVV), portal vein diameter (PVD), and splenic vein diameter (SVD) were assessed.
  • PHT patients were graded using the Child-Pugh classification to evaluate liver function and measure PVP.

Main Results:

  • PHT patients exhibited lower PVV and SVV, and higher PVD and SVD compared to controls (P < 0.05).
  • Significant differences in PVD, PVV, SVD, and SVV were observed across Child-Pugh liver function grades (P < 0.05).
  • PVP increased with worsening liver function: Grade A (38.9 ± 1.4 cmH2O), Grade B (40.6 ± 5.1 cmH2O), and Grade C (42.5 ± 4.8 cmH2O).

Conclusions:

  • Doppler ultrasound is a valuable tool for the clinical assessment of PHT in cirrhosis patients.
  • The study suggests Doppler ultrasound has potential for noninvasive detection of PHT in cirrhosis.
  • Further large-scale studies are recommended to validate these findings.

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