Lower gastrointestinal (GI) bleeding is a common cause of hospitalization often requiring emergency surgery. Urgent colonoscopy could identify and treat the active bleeder, but blood represents an obstacle to endoscopy. The observation that blood colour changes during a GI bleeding, due to coagulation, oxygen dissociation, bacterial metabolism and changing in pH and temperature, suggested the ideation of a device able to enhance colour differences of blood in relation to the origin of bleedin…
Vision system for lower gastrointestinal bleeding
AREZZO, Alberto;
2012-01-01
Abstract
Lower gastrointestinal (GI) bleeding is a common cause of hospitalization often requiring emergency surgery. Urgent colonoscopy could identify and treat the active bleeder, but blood represents an obstacle to endoscopy. The observation that blood colour changes during a GI bleeding, due to coagulation, oxygen dissociation, bacterial metabolism and changing in pH and temperature, suggested the ideation of a device able to enhance colour differences of blood in relation to the origin of bleedin…
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