Raphael M, Patel R, Warren BJ. Updates in Small Bowel Imaging and Endoscopy. J Am Osteopath Assoc 2010;110(12):721–724. doi: .
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The field of gastroenterology has had an abundance of technological advances in recent years, especially in the field of endoscopy. These advances are helpful to clinicians approaching gastrointestinal blood loss, especially in the small bowel. The authors report a case of a man who presented to the emergency department with obscure gastrointestinal blood loss. Results of an esophagogastroduodenoscopy and a colonoscopy suggested the source of the blood loss was within the small bowel. On an outpatient basis, the patient underwent video capsule endoscopy, which revealed scattered distal duodenal arteriovenous malformations. He then underwent oral double balloon endoscopy with ablation of the arteriovenous malformations, with no further bleeding or drop in hemoglobin. The authors review advances in small bowel imaging and endoscopy, including video capsule endoscopy, double balloon endoscopy, and computed tomography enterography. A comprehensive data review was conducted by searching the National Library of Medicine's PubMed database to identify recent published literature in the fields of radiology and gastroenterology. The authors apply these findings to the workup and diagnosis of obscure gastrointestinal blood loss.
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