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Dig Dis Sci. 2007 May;52(5):1376-81. Epub 2007 Mar 14.

Diagnostic yield and impact of capsule endoscopy on management of patients with gastrointestinal bleeding of obscure origin.

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Sección de Aparato Digestivo, Unidad de Endoscopias, Hospital General, Virgen de la Luz, Cuenca, 16002, Spain.


This study assessed diagnostic yield and impact of capsule endoscopy on patient management. Seventy-five patients with obscure gastrointestinal bleeding were included. Clinical and followup information was collected by review of patient records and with personal contact with the referring physicians. All previous clinical information and interventions after capsule endoscopy and clinical outcome were noted. The indication was obscure-overt gastrointestinal bleeding in 36 patients (48%) and obscure-occult gastrointestinal bleeding in 39 patients (52%). Overall diagnostic yield was 66.7% considering relevant lesions. Followup was available in 31 patients. Capsule endoscopy changed clinical management in 61.4%. Multivariate analysis showed that patients with another potential source of bleeding and patients whose onset was hematochezia were not good candidates for capsule endoscopy. Capsule endoscopy has a high diagnostic yield and a positive influence on clinical management in a high proportion of patients with obscure gastrointestinal bleeding.

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