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Effect of contrast medium injection duration on peak enhancement of canine pulmonary arteries


Makara, M; Dennler, M; Kühn, K; Kalchofner, K; Kircher, P R (2011). Effect of contrast medium injection duration on peak enhancement of canine pulmonary arteries. Veterinary Radiology and Ultrasound, 52(6):605-610.

Abstract

Our goal was to investigate the effect of contrast medium injection duration on pulmonary artery peak enhancement and time to peak enhancement. Fourteen dogs were allocated into one of seven predefined weight categories, each category contained two dogs. Dogs in each weight category were assigned to group A or B. Animals in each group received a different contrast medium injection protocol. In group A, a fixed injection rate of 5ml/s was used. In group B, the contrast injection rate was calculated as follows: flow rate1⁄4contrast volume/scan durationþ10s. Time to peak enhancement and peak enhancement of the main left and right pulmonary arteries were measured on single-level, dynamic CT images for a fixed time of 30 s. Rank correlation (Spearman’s) coefficients between injection duration and time to peak enhancement and between body weight and peak enhancement were calculated. For group A, there was a significant negative correlation between peak enhancement and weight (r1⁄4

Abstract

Our goal was to investigate the effect of contrast medium injection duration on pulmonary artery peak enhancement and time to peak enhancement. Fourteen dogs were allocated into one of seven predefined weight categories, each category contained two dogs. Dogs in each weight category were assigned to group A or B. Animals in each group received a different contrast medium injection protocol. In group A, a fixed injection rate of 5ml/s was used. In group B, the contrast injection rate was calculated as follows: flow rate1⁄4contrast volume/scan durationþ10s. Time to peak enhancement and peak enhancement of the main left and right pulmonary arteries were measured on single-level, dynamic CT images for a fixed time of 30 s. Rank correlation (Spearman’s) coefficients between injection duration and time to peak enhancement and between body weight and peak enhancement were calculated. For group A, there was a significant negative correlation between peak enhancement and weight (r1⁄4

Citations

8 citations in Web of Science®
9 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Veterinary Clinic > Equine Department
05 Vetsuisse Faculty > Veterinary Clinic > Department of Small Animals
Dewey Decimal Classification:570 Life sciences; biology
Language:English
Date:2011
Deposited On:08 Dec 2011 14:37
Last Modified:05 Apr 2016 15:12
Publisher:Wiley-Blackwell
ISSN:1058-8183
Publisher DOI:https://doi.org/10.1111/j.1740-8261.2011.01850.x
PubMed ID:21831249

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