title: Active gastrointestinal hemorrhage identification by blood pool contrast-enhanced magnetic resonance angiography.
abstract: Localization of the source of gastrointestinal hemorrhage can be challenging. Currently, this is often accomplished with tagged red blood cell scintigraphy, with attendant ionizing radiation and relatively poor spatial resolution. We describe an analogous method of detecting acute gastrointestinal hemorrhage by enhanced MRI with blood pool contrast agent. Briefly, following precontrast fat-suppressed volumetric T1-weighted image acquisition, single-dose gadofosveset trisodium, a blood pool agent, is administered. Then serial post-T1-weighted images are obtained. This technique is a novel method for evaluating gastrointestinal hemorrhage.
authors: Department of Radiology, Stanford University, Lucile Packard Children's Hospital, 725 Welch Road, Stanford, CA 94305-5654, USA.
authors: Jonathan
authors: J
authors: Williams
authors: Shreyas S
authors: SS
authors: Vasanawala
references: Radiology. 1998 May;207(2):529-38
references: 9577506
references: J Magn Reson Imaging. 1998 Jul-Aug;8(4):989-90
references: 9702902
references: Magn Reson Imaging. 1998 Sep;16(7):851-3
references: 9811150
references: Inorg Chem. 2007 Aug 6;46(16):6632-9
references: 17625839
references: N Engl J Med. 2010 Mar 4;362(9):823-32
references: 20200386
references: Invest Radiol. 2010 Sep;45(9):548-53
references: 20644485
references: Acad Radiol. 1996 Aug;3 Suppl 2:S356-8
references: 8796603
references: J Clin Gastroenterol. 2011 Feb;45(2):92-9
references: 20861799
references: J Vasc Interv Radiol. 2010 Jun;21(6):848-55
references: 20400333