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  • Title: Prospective evaluation of the long-term outcomes after deep small-bowel spiral enteroscopy in patients with obscure GI bleeding.
    Author: Williamson JB, Judah JR, Gaidos JK, Collins DP, Wagh MS, Chauhan SS, Zoeb S, Buscaglia JM, Yan H, Hou W, Draganov PV.
    Journal: Gastrointest Endosc; 2012 Oct; 76(4):771-8. PubMed ID: 22771101.
    Abstract:
    BACKGROUND: Spiral enteroscopy can be safe and effective in the short term for evaluation of obscure GI bleeding, but long-term data are lacking. OBJECTIVE: To assess the long-term clinical outcomes after deep small-bowel spiral enteroscopy performed for obscure GI bleeding. DESIGN: Prospective cohort study. SETTING: Academic referral center. PATIENTS: This study included 78 patients who underwent antegrade spiral enteroscopy for evaluation of obscure GI bleeding. INTERVENTION: Diagnostic spiral enteroscopy with hemostatic therapeutic maneuvers applied as indicated. MAIN OUTCOME MEASUREMENTS: Postprocedure evidence of recurrent overt GI bleeding, blood transfusion requirements, need for iron supplementation, serum hemoglobin values, and the need for additional therapeutic procedures. RESULTS: Long-term follow-up data (mean [± standard deviation] 25.3 ± 7.5 months; range 12.9-38.8 months) were obtained in 61 patients (78%). Among those with long-term follow-up data, overt bleeding before spiral enteroscopy was present in 62%, compared with 26% in the follow-up period (P < .0001). The mean (± SD) hemoglobin value increased from 10.6 ± 1.8 to 12.6 ± 1.9 g/dL (P < .0001). Blood transfusion requirements decreased by a mean of 4.19 units per patient (P = .0002), and the need for iron supplementation (P = .0487) and additional procedures (P < .0001) decreased in the follow-up period. There were 8 adverse events (9%) (7 mild, 1 moderate). LIMITATIONS: Single-center study, intervention bias. CONCLUSION: In patients with obscure GI bleeding, deep small-bowel spiral enteroscopy is safe and effective in reducing the incidence of overt bleeding. An increase in hemoglobin values along with a decrease in blood transfusion requirement, need for iron supplementation, and need for additional therapeutic procedures were found over long-term follow-up. ( CLINICAL TRIAL REGISTRATION NUMBER: NCT00861263.).
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