Research
Print page Print page
Switch language
The Capital Region of Denmark - a part of Copenhagen University Hospital
E-pub ahead of print

Ultrasound Transducer Pressure: An Unexplored Source of Abdominal Aortic Aneurysm Measurement Error

Research output: Contribution to journalJournal articlepeer-review

  1. Intravascular Ultrasound as a Valuable Tool in Iliac Endofibrosis Diagnostics

    Research output: Contribution to journalJournal articlepeer-review

  2. A cross-sectional national study of burnout and psychosocial work environment in vascular surgery in Denmark

    Research output: Contribution to journalJournal articlepeer-review

  3. Colonoscope retraction technique and predicting adenoma detection rate: a multicenter study

    Research output: Contribution to journalJournal articlepeer-review

  4. Adherence to instruction for use after endovascular repair of popliteal artery aneurysm

    Research output: Contribution to journalJournal articlepeer-review

View graph of relations

This study was aimed at quantifying the abdominal aortic aneurysm (AAA) compression phenomenon and assessing the use of a new tool to estimate transducer pressure in vivo. In this cross-sectional study, 47 participants with AAA and a median anterior-to-posterior (AP) AAA diameter of 46 mm (range: 30-76 mm) were included. The majority of the patients were overweight with body mass indexes >25 (33/47, 70%). A standardized ultrasound (US)-compatible gel pad, with a pre-defined thickness (15 mm) and mass (150 g), was interposed between the US transducer and participant to estimate the applied transducer pressure. A firm transducer pressure significantly lowered the median AP diameter from 46.1 mm (range: 29.7-76.3) to 39.4 mm (range: 21.7-67.5) (p = 0.001). The mean diameter bias between light and firm transducer pressure was 6.1 mm (95% confidence interval: 4.9-7.3). The applied transducer pressure varied significantly and could be measured by translating the deformation of a low-tech gel pad interposed between the US transducer and the participant.

Original languageEnglish
JournalUltrasound in Medicine & Biology
ISSN0301-5629
DOIs
Publication statusE-pub ahead of print - 9 Jun 2022

Bibliographical note

Copyright © 2022 The Authors. Published by Elsevier Inc. All rights reserved.

ID: 78740187