Año 2015 / Volumen 107 / Número 12
Original
What is the long-term outcome of a negative capsule endoscopy in patients with obscure gastrointestinal bleeding?

753-758

DOI: 10.17235/reed.2015.3900/2015

Iolanda Ribeiro, Rolando Pinho, Adélia Rodrigues, Joana Silva, Ana Ponte, Jaime Rodrigues, João Carvalho,

Resumen
Background and aims: There are contradictory findings regarding long-term outcome in patients with obscure gastrointestinal bleeding and negative capsule endoscopy. Factors associated with rebleeding after a negative videocapsule are not entirely known. Objective: The aim of this study was to compare the rebleeding rate between negative and positive capsule endoscopy patients and to identify predictive factors for rebleeding in patients with negative findings. Material and methods: Consecutive patients with obscure gastrointestinal bleeding referred to a single center over a period of 5 years were identified. After exclusion of patients with a follow time < 6 months, 173 patients were included. Clinical information was retrospectively collected from medical records. Rebleeding was defined as evidence of melena/hematochezia, a drop in hemoglobin of ≥ 2 g/dL, or the need for transfusion 30 days after the index episode. Results: The mean age was 61.7 years and 60% were female. The median follow up time was 27 months. Most patients were referred for occult gastrointestinal bleeding (67.1%) while 32.9% were referred for overt bleeding. More than 50% of the patients had negative capsule endoscopy. The rebleeding rate in negative capsule endoscopy is 16%, with a mean follow-up time of 25.8 months and is significantly lower than positive capsule endoscopy (16% vs. 30.2%, p = 0.02). Rebleeding after negative capsule endoscopy is higher in patients who need more transfusions of packet red blood cells before capsule endoscopy (3.0 vs. 0.9, p = 0.024) and have overt bleeding (46% vs. 13.9%, p = 0.03). In 53% of these patients, rebleeding occurs > 12 months after a negative capsule endoscopy. Conclusions: Patients with obscure gastrointestinal bleeding and a negative capsule endoscopy had a significantly lower rebleeding rate and can be safely followed. However, a higher transfusion of red blood cells previous to capsule endoscopy and an overt bleeding are associated with a higher rebleeding. So, it is reasonable to consider that these patients may benefit of at least one year of follow-up.
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Bibliografía
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Ribeiro I, Pinho R, Rodrigues A, Silva J, Ponte A, Rodrigues J, et all. What is the long-term outcome of a negative capsule endoscopy in patients with obscure gastrointestinal bleeding?. 3900/2015


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Recibido: 22/06/2015

Aceptado: 09/09/2015

Prepublicado: 02/11/2015

Publicado: 03/12/2015

Tiempo de revisión del artículo: 71 días

Tiempo de prepublicación: 133 días

Tiempo de edición del artículo: 164 días


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