Estimation of Pulmonary Vascular Resistance by Contrast Echocardiography

An echocardiogram using Definity contrast can provide the same information as the standard right heart catheterization.

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Key information

Conditions

Pulmonary Arterial Hypertension Hypertension, Pulmonary Lung Diseases Respiratory Tract Diseases

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Adult patients scheduled to undergo right heart catheterization at the George Washington University Hospital

Exclusion criteria

Patients with known or suspected right-to-left bi-directional or transient right-to-left shunts or pulmonary arteriovenous malformations, previously documented moderate to severe tricuspid regurgitation or moderate to severe pulmonary regurgitation, evidence of right ventricular hypokinesis, or prior adverse reaction to Definity or hypersensitivity to perflutren

Treatment and study plan

2D doppler echo with Definity solution

Procedure

Correlate right heart catheterization results with results from 2D doppler echo with Definity Solution

Other names: Definity solution

Primary outcomes

Measure Pulmonary Vascular Resistance using 2D Doppler Echocardiogram w/Definity Solution

Time frame: Two Years

Correlation coefficients between the technique above the the gold standard right heart catheterization measures of pulmonary vascular resistance.

Sponsors and collaborators

Lead sponsor

George Washington University

Other

Registry information

Important dates

Study start: 2010
Primary completion: 2012
Study completion: 2012
First posted: Jan 7, 2014
Registry last updated: Jan 7, 2014

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Published trials that share one or more normalized conditions with this study.

Completed