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Revista Española de Enfermedades Digestivas
versão impressa ISSN 1130-0108
Resumo
REDONDO-CEREZO, E. et al. Long-term follow-up of patients with small bowel angiodysplasia on capsule endoscopy: Determinants of a higher clinical impact and rebleeding rate. Rev. esp. enferm. dig. [online]. 2008, vol.100, n.4, pp.202-207. ISSN 1130-0108.
Background: the clinical impact of small-bowel angiodysplasia has not been defined. We present a prospective study to determine the features of individuals with a higher risk of rebleeding or a worse clinical outcome. Patients and methods: thirty patients with angiodysplasia found on CE were included and followed for 12 months. Angiodysplasia were classified by their size as small (≤ 10 mm) or large (> 10 mm). We also studied angiodysplasia lesion numbers in each patient. Rebleeding was defined as a hemoglobin drop of more than 2 g/dl in the absence of melena or hematochezia in the case of occult GI bleeding, or with any or both manifestations. Results: a therapeutic procedure was carried out in 13 patients (43.4%). Individuals with large angiodysplasia had higher transfusion requirements, a higher proportion of therapeutic procedure performed after CE, lower hemoglobin concentration, and a lower rebleeding rate. Patients with ten or more angiodysplasia lesions had also higher transfusion requirements and lower hemoglobin levels, but we found no differences in the number of therapeutic procedures or rebleeding rate between both groups. On follow up rebleeding was detected in 5 patients (16.7%), all of them with small angiodysplasias. Rebleeding was more frequent in patients who did not receive further interventions (23.53 vs. 7.69%; p = 0.037). Conclusions: angiodysplasia size ≥ 10 mm determines a worse clinical impact and more possibilities of receiving a therapeutic procedure. Our findings support that patients with large lesions would benefit from therapeutic interventions with a reduction in rebleeding rate.
Palavras-chave : Capsule endoscopy; Obscure gastrointestinal bleeding; Angiodysplasia.