Lower gastrointestinal bleeding diagnosed by red blood cell scintigraphy in a patient with a left ventricular assist device

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Abstract

A patient with ischemic congestive heart failure, managed with a left ventricular assist device (LVAD) as a bridge to cardiac transplantation, developed hematochezia. This article illustrates the utility of Tc-99m-labeled red blood cell scintigraphy for identification of the lower gastrointestinal bleeding site in a patient with LVAD. The study initially showed a normal biodistribution of radiotracer, with expected activity in the sac of the LVAD and its cannulae, and later identified the bleeding from the sigmoid, permitting selective angiography and therapeutic embolization. There is a prior limited illustration of red blood cell scintigraphy in the presence of LVAD.

Original languageEnglish (US)
Pages (from-to)856-858
Number of pages3
JournalClinical nuclear medicine
Volume33
Issue number12
DOIs
StatePublished - Dec 1 2008

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Heart-Assist Devices
Radionuclide Imaging
Erythrocytes
Hemorrhage
Therapeutic Embolization
Gastrointestinal Hemorrhage
Sigmoid Colon
Heart Transplantation
Angiography
Heart Failure

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging

Cite this

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AB - A patient with ischemic congestive heart failure, managed with a left ventricular assist device (LVAD) as a bridge to cardiac transplantation, developed hematochezia. This article illustrates the utility of Tc-99m-labeled red blood cell scintigraphy for identification of the lower gastrointestinal bleeding site in a patient with LVAD. The study initially showed a normal biodistribution of radiotracer, with expected activity in the sac of the LVAD and its cannulae, and later identified the bleeding from the sigmoid, permitting selective angiography and therapeutic embolization. There is a prior limited illustration of red blood cell scintigraphy in the presence of LVAD.

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