Abstract
Although a variety of timing techniques and data acquisition strategies have been used for three-dimensional contrast-enhanced MR angiography, many are still limited by inadequate overall reliability, limited spatial resolution, or complexity. A technique is presented in this work in which contrast arrival is detected in the targeted vasculature in real time using MR fluoroscopy. Upon detection the operator triggers a 3D MR angiographic acquisition which uses an elliptical centric view order. It is shown that the view order intrinsically provides a high degree of venous suppression which in turn allows acquisition times of 30 s or longer, permitting high spatial resolution. The reliability of fluoroscopic triggering in bolus detection is shown to be over 90%. The technique provides high quality contrast-enhanced MR angiograms for many vascular regions.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 196-206 |
| Number of pages | 11 |
| Journal | Magnetic Resonance Materials in Physics, Biology and Medicine |
| Volume | 8 |
| Issue number | 3 |
| DOIs | |
| State | Published - Aug 1999 |
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ASJC Scopus subject areas
- Biophysics
- Genetics
Cite this
Real-time imaging and triggering of 3D contrast-enhanced MR angiograms using MR fluoroscopy. / Riederer, Stephen J; Fain, Sean B.; Kruger, David G.; Busse, Reed F.
In: Magnetic Resonance Materials in Physics, Biology and Medicine, Vol. 8, No. 3, 08.1999, p. 196-206.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Real-time imaging and triggering of 3D contrast-enhanced MR angiograms using MR fluoroscopy
AU - Riederer, Stephen J
AU - Fain, Sean B.
AU - Kruger, David G.
AU - Busse, Reed F.
PY - 1999/8
Y1 - 1999/8
N2 - Although a variety of timing techniques and data acquisition strategies have been used for three-dimensional contrast-enhanced MR angiography, many are still limited by inadequate overall reliability, limited spatial resolution, or complexity. A technique is presented in this work in which contrast arrival is detected in the targeted vasculature in real time using MR fluoroscopy. Upon detection the operator triggers a 3D MR angiographic acquisition which uses an elliptical centric view order. It is shown that the view order intrinsically provides a high degree of venous suppression which in turn allows acquisition times of 30 s or longer, permitting high spatial resolution. The reliability of fluoroscopic triggering in bolus detection is shown to be over 90%. The technique provides high quality contrast-enhanced MR angiograms for many vascular regions.
AB - Although a variety of timing techniques and data acquisition strategies have been used for three-dimensional contrast-enhanced MR angiography, many are still limited by inadequate overall reliability, limited spatial resolution, or complexity. A technique is presented in this work in which contrast arrival is detected in the targeted vasculature in real time using MR fluoroscopy. Upon detection the operator triggers a 3D MR angiographic acquisition which uses an elliptical centric view order. It is shown that the view order intrinsically provides a high degree of venous suppression which in turn allows acquisition times of 30 s or longer, permitting high spatial resolution. The reliability of fluoroscopic triggering in bolus detection is shown to be over 90%. The technique provides high quality contrast-enhanced MR angiograms for many vascular regions.
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UR - http://www.scopus.com/inward/citedby.url?scp=0032869963&partnerID=8YFLogxK
U2 - 10.1016/S1352-8661(99)00032-0
DO - 10.1016/S1352-8661(99)00032-0
M3 - Article
C2 - 10504048
AN - SCOPUS:0032869963
VL - 8
SP - 196
EP - 206
JO - Magnetic Resonance Materials in Physics, Biology, and Medicine
JF - Magnetic Resonance Materials in Physics, Biology, and Medicine
SN - 0968-5243
IS - 3
ER -