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Diagnostic techniques help IBD patients avoid ionizing radiation exposure
Date:10/18/2010

San Antonio, Texas, October 18, 2010 At the American College of Gastroenterologys (ACG) 75th Annual Scientific meeting in San Antonio, Texas, several studies of the effectiveness of non‐X‐ray techniques to evaluate Crohns disease revealed that diagnostic strategies such as capsule endoscopy (CE) and magnetic resonance enteroscopy (MRE) are useful in managing patients with inflammatory bowel disease (IBD) and avoiding ionizing radiation.

IBD Patients Exposed to Significant Ionizing Radiation

Radiographic imaging is an important tool for diagnosis and management of IBD. In the study, Effect of Age, Gender, and Ethnicity on Radiation Exposure among a Multi‐Ethnic IBD Population of Low Socioeconomic Status, researcher Jason Hou, M.D. and colleagues from Baylor College of Medicine, noted a lack of data quantifying radiation exposure in IBD patients. Dr. Hou and his team conducted a retrospective analysis of 287 patients in Harris County Hospital District in Houston, Texas to compare the effect age, gender and ethnicity on ionizing radiation exposure among adults with IBD in a county hospital with a multi‐ethnic population.

The investigators found that patients with IBD treated at a county hospital were exposed to a significant amount of ionizing radiation. The mean total radiation exposure was 35.7 millisieverts (mSv) per patient. In the Harris County study, patients with Crohns disease received over 1.5 times the radiation dose as patients with ulcerative colitis. While overall there was no difference in radiation exposure between men and women, there was a trend among male patients younger than 35 towards increased radiation exposure compared to females. In the study, 21 percent of patients under 35 received greater than 75 mSv of radiation. In comparison, a full‐body CT scan measures an estimated 2 millisieverts to 16 millisieverts. A mammogram measures about .4 millisieverts. Americans get small amounts of ionizin
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Contact: Jacqueline Gaulin
mediaonly@acg.gi.org
202-255-5541
American College of Gastroenterology
Source:Eurekalert

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