Dirty Endoscopes Raising Alarms for Colonoscopies

June 9, 2013 1:47 PM

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Text Size Published: Friday, 7 Jun 2013 | 10:23 AM ET

A new study disturbingly discovered that an average of 15 percent of flexible endoscopes used to examine GI tracts and colons at five hospitals were harboring "bio-dirt"—cells and other material from previously examined patients. This was even after the instruments had been cleaned.

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