Noninvasive Cardiac Output Monitoring in Pulmonary Hypertension

Santa Barbara Cottage Hospital35 enrolled

Overview

Comparison of Ultrasonic Cardiac Output Monitor (USCOM) system with Fick and thermodilution methods during right heart catheterization in patients with pulmonary hypertension.

Study Type

INTERVENTIONAL

Allocation

Purpose

DIAGNOSTIC

Masking

NONE

Enrollment

Conditions

Pulmonary Hypertension

Interventions

Ultrasonic Cardiac Output Monitor (USCOM) systemDEVICE

Eligibility

Sex: ALLMin age: 18 Years

Medical Language ↔ Plain English

Inclusion criteria: * Age \> 18 years * Diagnosis of Group 1 or Group 4 PAH based on PAPm \> 25 mmHg, PAWP \<15 mmHg, PVR \>3 WU and consistent clinical history. Note: for logistical reasons, patients at high suspicion for Group 1 or Group 4 PAH will sign informed consent to have the USCOM system applied during right heart catheterization before the procedure; if it is found that the patient does not meet the definition of Group 1 or Group 4 PAH during right heart catheterization, he/she will be excluded. * Willingness and ability to comply with study procedures. * No known hypersensitivity to the components of USCOM electrodes Exclusion criteria: * Unwillingness to sign informed consent or inability or unwillingness to comply with study procedures * Evidence of postcapillary pulmonary hypertension on right heart catheterization

Locations (1)

Santa Barbara Cottage Hospital

Santa Barbara, California, United States

Outcomes

Primary Outcomes

Cardiac output measurement correlation at baseline

Correlation between cardiac output measurement between USCOM system and Fick and thermodilution methods of cardiac output measurement (standard of care)

Time frame: 30 minutes

Secondary Outcomes

Cardiac output measurement correlation after vasodilator testing

Correlation between cardiac output measurement between USCOM system and Fick and thermodilution methods of cardiac output measurement (standard of care) after vasodilator trial testing

Time frame: 30 minutes

Data from ClinicalTrials.gov

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