𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Comparison of first-pass Gd-DOTA and FAIRER MR perfusion imaging in a rabbit model of pulmonary embolism

✍ Scribed by Shella D. Keilholz; Vu M. Mai; Stuart S. Berr; Naomi Fujiwara; Klaus D. Hagspiel

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
315 KB
Volume
16
Category
Article
ISSN
1053-1807

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

Purpose

To compare the sensitivity of contrast‐enhanced magnetic resonance imaging (MRI) and arterial spin labeling to perfusion deficits in the lung.

Materials and Methods

A rabbit model of pulmonary embolism was imaged with both flow‐sensitive alternating inversion recovery with an extra radiofrequency pulse (FAIRER) arterial spin labeling and Gd‐DOTA enhanced MRI. The signal‐to‐noise ratio (SNR) was measured in the area of the perfusion deficit and the normal lung for both techniques.

Results

The defect was readily visible in all images. The normal lung had an average of 3.8 ± 1.2 times the SNR of the unperfused lung with the arterial spin labeling technique, and approximately 13.7 ± 3.3 times the SNR with the contrast‐enhanced technique.

Conclusion

Gd‐DOTA enhanced MRI provides higher SNR in pulmonary perfusion imaging; however, arterial spin labeling is also adequate and may be used when repeated studies are indicated. J. Magn. Reson. Imaging 2002;16:168–171. © 2002 Wiley‐Liss, Inc.

📜 SIMILAR VOLUMES

Application of breath-hold T2-weighted,
Application of breath-hold T2-weighted, first-pass perfusion and gadolinium-enhanced T1-weighted MR imaging for assessment of myocardial viability in a pig model
✍ Sang Il Choi; Chun Zi Jiang; Keun Ho Lim; Sang Tae Kim; Chung Hwan Lim; Gyung Yu 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 346 KB 👁 2 views

The purpose of this study was to correlate the abnormal signal area on various magnetic resonance (MR) images to the infarct area on pathologic examination and to assess the myocardial viability on the basis of MR images. T2weighted, first-pass perfusion, and delayed gadolinium-enhanced T1-weighted

Comparison of quantitative coronary angi
Comparison of quantitative coronary angiography and first-pass perfusion magnetic resonance imaging for the detection of an impaired coronary perfusion in nonsevere coronary stenosis
✍ Achim A. Barmeyer; Alexander Stork; Kai Muellerleile; Anne K. Schofer; Claudia T 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 337 KB

## Abstract ## Purpose To compare quantitative coronary angiography (QCA) and first‐pass perfusion magnetic resonance imaging (FPP‐MRI) in symptomatic patients with nonsevere coronary stenosis to detect a reduced coronary flow velocity reserve (CFVR). ## Materials and Methods In 35 patients, FPP

Comparison of lymph node metastases asse
Comparison of lymph node metastases assessment With the use of USPIO-enhanced MR imaging at 1.5 T versus 3.0 T in a rabbit model
✍ Seung Hong Choi; Keon Ha Kim; Woo Kyung Moon; Hyo-Cheol Kim; Joo Hee Cha; Jin Ho 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 361 KB

## Abstract ## Purpose: To prospectively compare the diagnostic performances of 1.5 T and 3.0 T ultrasmall superparamagnetic iron oxide (USPIO)‐enhanced magnetic resonance imaging (MRI) for the detection of lymph node (LN) metastases in a rabbit model. ## Materials and Methods: Experiments were