This study evaluates the accuracy of a comprehensive venous Doppler echography including the portal vein pulsatility index (PVPI) to quantify invasively measured right-sided venous pressures. A substudy will correlate invasive and non-invasive hemodynamic measurements to ballistocardiography and seismocardiography with the Kino-cardiograph (Kino) device (HeartKinetics, Waterloo, Belgium).
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
DIAGNOSTIC
Masking
NONE
Enrollment
61
As per inclusion criteria, all patients undergo right heart catheterisation to obtain a full profile of invasive hemodynamic measurements, including pulmonary arterial wedge pressure (PAWP), pulmonary artery pressure, right ventricular pressure, right atrial pressure (RAP), superior and/or inferior vena cava pressure, hepatic vein pressure with/without balloon occlusion. Immediately after the invasive hemodynamic exam, a comprehensive 2D, Color Doppler and Doppler echocardiography exam, including a Doppler study of the Vv. hepaticae, V. portae and V. renalis is performed. Based upon logistic feasibility, ballistocardiography and seismocardiography with the completely non-invasive Kino device (HeartKinetics, Waterloo, Belgium) is performed in a subpopulation of patients envisioned to be at least 50 patients.
University Hospital Brussels
Jette, Brussels Capital, Belgium
Portal Vein Pulsatility Index (PVPI)
PVPI = (Vmax - Vmin)/Vmax on the portal vein Pulsed wave Doppler signal
Time frame: Crosssectional study without longitudinal follow-up, measurement is obtained during Doppler echography exam
Time integral of kinetic energy during the cardiac cycle
Measured by a combination of ballistocardiography and seismocardiography with the Kino device (HeartKinetics, Waterloo, Belgium).
Time frame: Crosssectional study without longitudinal follow-up, measurement is obtained during Doppler echography exam
Inferior vena cava diameter
Inferior vena cava diameter \[mm\] upon end-expiration
Time frame: Crosssectional study without longitudinal follow-up, measurement is obtained during Doppler echography exam
Inferior vena cava diameter respiratory variation
Inferior vena cava diameter respiratory variation \[%\]
Time frame: Crosssectional study without longitudinal follow-up, measurement is obtained during Doppler echography exam
Hepatic vein Pulsed wave Doppler signal
Categorical classification: * Systolic wave \> Diastolic wave * Diastolic wave \> Systolic wave * Systolic flow reversal
Time frame: Crosssectional study without longitudinal follow-up, measurement is obtained during Doppler echography exam
Renal vein Pulsed wave Doppler signal
Categorical classification: * Monophasic flow * Discontinuous biphasic flow * Discontinuous monophasic flow
Time frame: Crosssectional study without longitudinal follow-up, measurement is obtained during Doppler echography exam
Right ventricular (RV) free wall strain
Right ventricular (RV) free wall strain assessed in the RV focused view offline with EchoPAC (General Electric Healthcare, Chicago, IL, United States).
Time frame: Crosssectional study without longitudinal follow-up, measurement is obtained during Doppler echography exam
Right atrial strain
Right atrial strain assessed in the RV focused view offline with EchoPAC (General Electric Healthcare, Chicago, IL, United States).
Time frame: Crosssectional study without longitudinal follow-up, measurement is obtained during Doppler echography exam
This platform is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.