Estimating right atrial pressure using upright computed tomography in patients with heart failure.

ABSTRACT:

Objectives

Upright computed tomography (CT) can detect slight changes particularly in the superior vena cava (SVC) volume in healthy volunteers under the influence of gravity. This study aimed to evaluate whether upright CT-based measurements of the SVC area are useful for assessing mean right atrial pressure (mRAP) in patients with heart failure.

Methods

We performed CT in both standing and supine positions to evaluate the SVC (directly below the junction of the bilateral brachiocephalic veins) and inferior vena cava (IVC; at the height of the diaphragm) areas and analyzed their relationship with mRAP, measured by right heart catheterization in 23 patients with heart failure.

Results

The median age of enrolled patients was 60 (51-72) years, and 69.6% were male. The m

SUBMITTER: Fukuoka R 

PROVIDER: S-EPMC10182146 | biostudies-literature | 2023 Jun

REPOSITORIES: biostudies-literature