Normative reference values of thoracic aortic diameter in American College of Radiology Imaging Network (ACRIN 6654) arm of National Lung Screening Trial

Barbara L. McComb, Reginald F. Munden, Fenghai Duan, Amanda A. Jain, Catherine Tuite, Caroline Chiles

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

Purpose: This study aims to establish normative reference values for thoracic aortic diameter (AD) in participants in the National Lung Screening Trial. Methods: Thoracic AD on 322 prevalence computed tomography was recorded at the sinotubular junction, mid-ascending, transverse arch, mid-descending, and diaphragmatic hiatus. Results: Mean AD (cm) and upper limits of normal for men and women were recorded for at each location. Smoking did not correlate with AD. Age, gender, and body surface area (BSA) were the most significant factors. Conclusions: Thoracic AD reference values are reported. They do not correlate with smoking, but they did for age, gender, and BSA.

Original languageEnglish (US)
Pages (from-to)936-943
Number of pages8
JournalClinical Imaging
Volume40
Issue number5
Early online dateApr 26 2016
DOIs
StatePublished - Sep 1 2016

Keywords

  • Aorta
  • Aortic aneurysm
  • NLST
  • Screening CT

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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