Portal Pressure Measurement

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Updated: April 30, 2022

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Hopkinsmedicine.org

The Johns Hopkins University School of Medicine, located in Baltimore, Maryland, is the research-intensive medical school of Johns Hopkins University. Founded in 1893, the School of Medicine shares a campus with the Johns Hopkins Hospital and Johns Hopkins Children's Center, established in 1889.

(410) 955-5000 733 N Broadway, Baltimore, MD 21205

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1

How is portal pressure measured?

The portal venous pressure can be measured directly using either a transjugular approach to the portal vein via the hepatic veins, or by direct puncture of the portal vein through a percutaneous transhepatic route under ultrasound guidance. A catheter is then passed over a guidewire into the main portal vein.
2

How is portal wedge pressure measured?

Wedged hepatic venous pressure (WHVP) is measured by inflating a balloon at the catheter tip, thus occluding a hepatic vein branch. Measurement of the WHVP provides a close approximation of portal pressure.
3

How do you test for portal vein pressure?

Before receiving either of these procedures, you will have the following tests to determine the extent and severity of your portal hypertension:
  1. Evaluation of your medical history.
  2. A physical examination.
  3. Blood tests.
  4. Angiogram.
  5. Ultrasound.
  6. Endoscopy.
2. Nih.gov

Measurement of portal pressure: when, how, and why to do it

https://pubmed.ncbi.nlm.nih.gov/17162225/

As a surrogate, the hepatic venous pressure gradient (HVPG) has been widely accepted as a measurement of PVP. The ease, accuracy, and safety of HVPG measurement ...

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