Prompt and accurate localization of the site of bleeding is critical for the management of patients with acute GI bleeding.
Planar 99mTc-labeled RBC scintigraphy is sensitive for detection of acute gastrointestinal (GI) bleeding but its accuracy for localization of a bleeding source is arguable, particularly in patients with complex GI anatomy from prior surgeries.
Researchers at the Cleveland Clinic reviewed cases of GI bleeding in patients who had a concurrent hybrid SPECT–CT for evaluating equivocal 99mTc-labeled RBC activity on planar scintigraphy.
Of those patients whose GI bleeding (as opposed to abdominal RBC activity due to other causes) was confirmed, SPECT–CT was 100 percent accurate in identifying the location of the bleeding.
"Judicious utilization of hybrid SPECT–CT for localization of the site of GI bleeding has the potential to improve clinical care by eliminating the ambiguities of planar scintigraphy," said researcher Ajit Goenka.
"Based on the performance of SPECT–CT in this study, we are [working] to make it a routine practice at our institution."
Dr. Goenka and his colleagues will present the study on May 8 at the 2014 ARRS Annual Meeting in San Diego, CA.
Founded in 1900, ARRS is the first and oldest radiology society in the United States and is an international forum for progress in radiology. The Society's mission is to improve health through a community committed to advancing knowledge and skills in radiology. ARRS achieves its mission through an annual scientific and educational meeting, publication of the American Journal of Roentgenology (AJR) and InPractice magazine, topical symposia and webinars, and print and online educational materials. ARRS is located in Leesburg, VA.
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