Evaluation of Hemodynamic Parameters Following Transjugular Intrahepatic Portosystemic Shunt (TIPS)

December 10, 2024 updated by: Eric J. Hohenwalter, Medical College of Wisconsin

During a TIPS procedure, a shunt or stent (mesh tube) is passed down the jugular vein (the vein above the collarbone in the neck) using fluoroscopy (real time x-rays) guidance. Then, a stent is inserted between the portal vein (vein that carries blood from the intestines into the liver) to a hepatic vein (vein that carries blood away from the liver back to the heart). This means that blood that would usually gets filtered through the liver is now bypassing the liver and going directly to the heart. Because more blood will be flowing to the heart, the heart needs to be strong enough to handle the extra volume.

This study is being done to determine the impact of the TIPS procedure on cardiac (heart) function by collecting data (heart pressures) during the TIPS procedure. Immediately after TIPS and at standard follow-up time points, labs and transthoracic echocardiograms (TTE or echo) will also be collected.

The device(s) used in this study are neither the intervention studied nor the experimental variable of interest. Devices are commercially available and used, and procedures are performed, in accordance with the institution's standard of care.

Study Overview

Detailed Description

The long-term goal of this proposal is to improve survival in patients with end stage liver disease following TIPS placement. Given that the most common indications for TIPS placement are also defining features of decompensated cirrhosis, specifically hemorrhage and refractory ascites, the overall health of this patient population is extraordinarily complex. One notable circulatory impact of cirrhosis is the increase in total blood volume in concert with a disproportionate increase in splanchnic blood volume. Therefore, at the time of TIPS placement, a patient may experience a marked increase in central blood volume that may lead to cardiac dysfunction. Considering that a central feature of cirrhotic cardiomyopathy is attenuated response to stress, it is conceivable that some perioperative cardiovascular complications could be attributed to the patient's baseline health rather than an isolated effect of the procedure alone. By instituting measures to identify patients that may be at increased risk for an adverse outcome, this proposal hopes to offer a new paradigm for managing TIPS patients in the acute postoperative setting. Therefore, the purpose of this study is to derive better correlates between non-invasive and invasive measurements of cardiac function.

Study Type

Interventional

Enrollment (Actual)

50

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Wisconsin
      • Milwaukee, Wisconsin, United States, 53226
        • Medical College of Wisconsin/Froedtert Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

OVERALL INCLUSION

  • ≥ 18 years
  • Patients with indications as established by the ACR-SIR-SPR practice parameters::

    • prophylaxis against recurrent variceal bleed in high-risk patients
    • portal hypertensive gastropathy or intestine-opathy
    • refractory ascites
    • hepatic hydrothorax
    • hepatopulmonary syndrome
    • hepatorenal syndrome
    • decompression of portosystemic collaterals prior to abdominal surgical procedures
  • Technically successful creation of a TIPS shunt, defined as creation of a portosystemic shunt with post TIPS creation portosystemic gradient of ≤ 12 mmHg

STUDY ARM INCLUSION:

• All patients undergoing elective TIPS who meet at least one of the criteria:

  • Right atrial pressure (RAP) ≥ 15mm Hg; OR
  • Change in RAP ≥ 10mm Hg; OR
  • Peak systolic velocity ratio (PSRV) pressure ≥ 46mm Hg

CONTROL ARM INCLUSION:

• Patients undergoing elective TIPS for control of refractory ascites who do not meet at least one of the criteria outlined above for the study arm.

Historical controls: we will use data collected form our own recent institutional review.

EXCLUSION All patients who do not exhibit alterations in invasive RAP or PRVS measurements as listed in Inclusion Criteria and do not meet criteria for participation as a control subject (i.e. are not undergoing elective TIPS for control of refractory ascites).

Admitted for GI bleed.

Budd-Chiari syndrome.

TIPS in setting of mesenteric vein thrombosis.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Diagnostic
  • Allocation: Non-Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Study - Transjugular Intrahepatic Portosystemic Shunt (TIPS)
Right Atrial Pressure (RAP) ≥ 15mmHg or change in RAP ≥ 10 mmHg or Peak Systolic Right Ventricular (PSRV) Pressure ≥ 46 mmHg
Prior to and 1-3 days after the TIPS procedure, the following blood tests are done for research purposes: Brain Natriuretic Peptide (BNP); Endothelin-1; Tumor Necrosis Factor-alpha (TNF-a); Endothelial Nitric Oxide Synthase (eNOS). Subjects with abnormal heart pressures during TIPS will have a right heart catheterization (RHC) to monitor heart function, blood flow, and pressures in and around the heart. The subject will be admitted to the Cardiovascular Intensive Care Unit and have a TTE all of which are standard of care. Routine follow-up visits will occur in IR Clinic at 2 Weeks (± 3 days), 4-6 weeks and 4-6 months. Visits will include: blood draws for research related blood tests as listed above; standard of care ultrasound of the abdomen; TTEs; and for at least one year, routine lab testing, imaging, medications, and subject overall condition will be assessed for long term outcomes. Diagnostic RHC will be done as needed per standard of care.
Other Names:
  • Hemodynamic Measurements
  • Transthoracic Echocardiogram (TTE)
  • Research Blood Tests
Active Comparator: Control - Transjugular Intrahepatic Portosystemic Shunt (TIPS)
Normal hemodynamic parameters

Subject's with normal heart pressures who are having elective (planned in advance and not due to an emergency) TIPS due to refractory ascites (fluid build up in the belly that does not go away or comes back shortly after being removed). Prior to and 1-3 days after the TIPS procedure, the following blood tests are done for research purposes: Brain Natriuretic Peptide (BNP); Endothelin-1; Tumor Necrosis Factor-alpha (TNF-a); Endothelial Nitric Oxide Synthase (eNOS). The subject will be admitted to the hospital after TIPS for standard of care monitoring.

Routine follow-up visits will occur in IR Clinic at 2 Weeks (± 3 days), 4-6 weeks and 4-6 months. Visits will include: blood draws for research related blood tests as listed above; standard of care ultrasound of the abdomen; and for at least one year, routine lab testing, imaging, medications, and subject overall condition will be assessed for long term outcomes.

Other Names:
  • Hemodynamic Measurements
  • Research Blood Tests

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Cardiac related events
Time Frame: from insertion of TIPS to 1 year post TIPS
any cardiac event to include, heart failure, heart attack, pulmonary hypertension
from insertion of TIPS to 1 year post TIPS

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Clinical success
Time Frame: 6 months after TIPS placement
No further need for paracentesis or thoracentesis at 6 months
6 months after TIPS placement
Overall survival
Time Frame: all patients will be followed for 1 year after TIPS placement
evaluation of overall survival from time of TIPS placement to death
all patients will be followed for 1 year after TIPS placement
Complications
Time Frame: from insertion of TIPS to 1 year post TIPS
Any peri or post procedural TIPS related events including liver failure, need for re-intervention, etc.
from insertion of TIPS to 1 year post TIPS
TIPS patency
Time Frame: from insertion of TIPS to 1 year post TIPS
evaluation of how long the TIPS remains patent without need for further intervention
from insertion of TIPS to 1 year post TIPS

Other Outcome Measures

Outcome Measure
Measure Description
Time Frame
Correlation of cardiac events with laboratory values
Time Frame: labs will be obtained at baseline and post TIPS at 1-3 days, 2 weeks +/- 3 days, 4-6 weeks, and 4-6 months
correlations will be made between outcome BNP, TNF-a, eNOS, endothelin-1
labs will be obtained at baseline and post TIPS at 1-3 days, 2 weeks +/- 3 days, 4-6 weeks, and 4-6 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: Eric J Hohenwalter, MD, Medical College of Wisconsin

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

September 25, 2019

Primary Completion (Actual)

December 9, 2024

Study Completion (Actual)

December 9, 2024

Study Registration Dates

First Submitted

August 7, 2019

First Submitted That Met QC Criteria

August 7, 2019

First Posted (Actual)

August 8, 2019

Study Record Updates

Last Update Posted (Actual)

December 13, 2024

Last Update Submitted That Met QC Criteria

December 10, 2024

Last Verified

December 1, 2024

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • PRO 35079

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Plan Description

Participants must have agreed to banking of biosamples. Identified individual participant data for all primary and secondary outcome measures will be made available. Also, left-over research related blood samples will be retained in an IRB approved bank.

IPD Sharing Time Frame

During and after (indefinitely) study participation.

IPD Sharing Access Criteria

Participants must have signed the biosample bank consent.

IPD Sharing Supporting Information Type

  • STUDY_PROTOCOL
  • SAP
  • ICF
  • ANALYTIC_CODE
  • CSR

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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