Predictive value of aorta enhancement on computed tomographic pulmonary angiography in pulmonary embolism.

ABSTRACT:

Background

Pulmonary embolism (PE) is a life-threatening condition requiring prompt diagnosis and treatment. Visual assessment of computed tomographic pulmonary angiography (CTPA) is the first-choice diagnostic tool. New imaging biomarkers could provide additional prognostic information for improved risk stratification. We hypothesized in this exploratory study, that contrast enhancement patterns in the aorta may contain such information.

Methods

CTPA scans of 93 acute PE patients were analyzed retrospectively. Firstly, the aorta was segmented automatically by TotalSegmentator and its centerline was extracted. Subsequently, lines were fitted on intensities within a region of interest perpendicularly to the aorta centerline, from which three parameters were extracted: mean in

SUBMITTER: Du Q 

PROVIDER: S-EPMC12551865 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature