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Cho YK, Park H, Moon JR, Jeon SR, Kim HG, Lee TH, Park J, Kim JO, Lee JS, Goong HJ, Ko BM, Park S. Clinical Outcomes between P1 and P0 Lesions for Obscure Gastrointestinal Bleeding with Negative Computed Tomography and Capsule Endoscopy. Diagnostics (Basel) 2021; 11:diagnostics11040657. [PMID: 33917389 PMCID: PMC8067371 DOI: 10.3390/diagnostics11040657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 04/01/2021] [Accepted: 04/01/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND A simple classification for the relevance of lesions (P0, P1, and P2; no bleeding potential, less likely to bleed, and more likely to bleed, respectively) based on capsule endoscopy (CE) findings has been used. This study aimed at investigating rebleeding rates and predictive factors of P0 and P1 lesions after obtaining negative findings in both, CE and computed tomography (CT), for patients with obscure gastrointestinal bleeding (OGIB). METHODS Among 193 patients resulted in negative CE findings defined as P0 or P1 lesions, 84 patients with negative results on CT images were enrolled in this study. The rebleeding rates and predictive factors were assessed in the P0 and P1 groups. RESULTS Overall rebleeding rate in patients with negative CT and CE was 17.9%; 18.4% in the P0 group; 17.4% in the P1 group within a median follow-up duration of 18.5 months. In the P0 and P1 groups, the cumulative rebleeding rates were 9.2%, 25.4%, and 25.4%, and 6.9%, 11.8%, and 18.6% at 12, 24, and 60 months, respectively (p = 0.97). There were no independent rebleeding associated factors in the P0 group, whereas Charlson comorbidity index (CCI) (hazard ratio (HR) = 2.019, 95% confidence interval (CI): 1.158-3.519, p = 0.013), and initial low hemoglobin (Hb) level (<8 g/dL) (HR = 15.085, 95% CI: 1.182-192.514, p = 0.037) were independent predictive factors responsible for rebleeding in the P1 group. CONCLUSIONS Despite having negative findings on CT and CE, patients with OGIB have a significant potential rebleeding risk. Although there was no significant difference in rebleeding rates between the P0 and P1 groups on CE, the P1 group, with CCI or low initial Hb level, should be cautiously observed after the first bleeding episode.
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Affiliation(s)
- Young Kyu Cho
- Digestive Disease Center, Institute for Digestive Research, Soonchunhyang University College of Medicine, 59 Daesagwan-ro, Yongsan-Gu, Seoul 04401, Korea; (Y.K.C.); (H.P.); (J.R.M.); (H.G.K.); (T.H.L.); (J.P.); (J.-O.K.); (J.S.L.); (H.J.G.); (B.M.K.)
| | - Heesu Park
- Digestive Disease Center, Institute for Digestive Research, Soonchunhyang University College of Medicine, 59 Daesagwan-ro, Yongsan-Gu, Seoul 04401, Korea; (Y.K.C.); (H.P.); (J.R.M.); (H.G.K.); (T.H.L.); (J.P.); (J.-O.K.); (J.S.L.); (H.J.G.); (B.M.K.)
| | - Jung Rock Moon
- Digestive Disease Center, Institute for Digestive Research, Soonchunhyang University College of Medicine, 59 Daesagwan-ro, Yongsan-Gu, Seoul 04401, Korea; (Y.K.C.); (H.P.); (J.R.M.); (H.G.K.); (T.H.L.); (J.P.); (J.-O.K.); (J.S.L.); (H.J.G.); (B.M.K.)
| | - Seong Ran Jeon
- Digestive Disease Center, Institute for Digestive Research, Soonchunhyang University College of Medicine, 59 Daesagwan-ro, Yongsan-Gu, Seoul 04401, Korea; (Y.K.C.); (H.P.); (J.R.M.); (H.G.K.); (T.H.L.); (J.P.); (J.-O.K.); (J.S.L.); (H.J.G.); (B.M.K.)
- Correspondence: ; Tel.: +82-2-709-9202; Fax: +82-2-709-9581
| | - Hyun Gun Kim
- Digestive Disease Center, Institute for Digestive Research, Soonchunhyang University College of Medicine, 59 Daesagwan-ro, Yongsan-Gu, Seoul 04401, Korea; (Y.K.C.); (H.P.); (J.R.M.); (H.G.K.); (T.H.L.); (J.P.); (J.-O.K.); (J.S.L.); (H.J.G.); (B.M.K.)
| | - Tae Hee Lee
- Digestive Disease Center, Institute for Digestive Research, Soonchunhyang University College of Medicine, 59 Daesagwan-ro, Yongsan-Gu, Seoul 04401, Korea; (Y.K.C.); (H.P.); (J.R.M.); (H.G.K.); (T.H.L.); (J.P.); (J.-O.K.); (J.S.L.); (H.J.G.); (B.M.K.)
| | - Junseok Park
- Digestive Disease Center, Institute for Digestive Research, Soonchunhyang University College of Medicine, 59 Daesagwan-ro, Yongsan-Gu, Seoul 04401, Korea; (Y.K.C.); (H.P.); (J.R.M.); (H.G.K.); (T.H.L.); (J.P.); (J.-O.K.); (J.S.L.); (H.J.G.); (B.M.K.)
| | - Jin-Oh Kim
- Digestive Disease Center, Institute for Digestive Research, Soonchunhyang University College of Medicine, 59 Daesagwan-ro, Yongsan-Gu, Seoul 04401, Korea; (Y.K.C.); (H.P.); (J.R.M.); (H.G.K.); (T.H.L.); (J.P.); (J.-O.K.); (J.S.L.); (H.J.G.); (B.M.K.)
| | - Joon Seong Lee
- Digestive Disease Center, Institute for Digestive Research, Soonchunhyang University College of Medicine, 59 Daesagwan-ro, Yongsan-Gu, Seoul 04401, Korea; (Y.K.C.); (H.P.); (J.R.M.); (H.G.K.); (T.H.L.); (J.P.); (J.-O.K.); (J.S.L.); (H.J.G.); (B.M.K.)
| | - Hyeon Jeong Goong
- Digestive Disease Center, Institute for Digestive Research, Soonchunhyang University College of Medicine, 59 Daesagwan-ro, Yongsan-Gu, Seoul 04401, Korea; (Y.K.C.); (H.P.); (J.R.M.); (H.G.K.); (T.H.L.); (J.P.); (J.-O.K.); (J.S.L.); (H.J.G.); (B.M.K.)
| | - Bong Min Ko
- Digestive Disease Center, Institute for Digestive Research, Soonchunhyang University College of Medicine, 59 Daesagwan-ro, Yongsan-Gu, Seoul 04401, Korea; (Y.K.C.); (H.P.); (J.R.M.); (H.G.K.); (T.H.L.); (J.P.); (J.-O.K.); (J.S.L.); (H.J.G.); (B.M.K.)
| | - Suyeon Park
- Department of biostatistics, Soonchunhyang University College of Medicine, 59 Daesagwan-ro, Yongsan-Gu, Seoul 04401, Korea;
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