Digestive diseases (Basel, Switzerland) · 2021
Evaluation and Validation of a New Score to Measure the Severity of Small Bowel Angiodysplasia on Video Capsule Endoscopy.
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García-Compeán Diego, Cueto-Aguilera Ángel Noe Del, González-González José Alberto, Jáquez-Quintana Joel Omar, Borjas-Almaguer Omar David, Jiménez-Rodríguez Alan Rafael, Muñoz-Ayala Juan Manuel, Maldonado-Garza Héctor Jesús
Аннотация
INTRODUCTION: Angiodysplasias are responsible of 50% of small bowel bleeding. An endoscopic method that allows measuring its severity is not available.
AIMS: The aim of the study was to validate a new endoscopic score with VCE to measure the severity of small bowel angiodysplasias (SBAD).
METHODS: Four endoscopists independently reviewed VCE videos of 22 patients with SBAD. The score graded 3 variables: A - extent of lesions: E1, located in one half of the intestine and E2, in both halves; B - number of lesions: N1, <5; N2, 5-10; and N3, >10 lesions; C - probability of bleeding: P1, pale red spots; P2, bright red spots; P3, bleeding stigmata; and P4, active bleeding. Capsule Endoscopy Small Bowel Angiodysplasia Activity Index (CESBAI) was calculated as follows: E × 1 + N × 2 + P × 3. Interobserver variability was analyzed by Spearman's correlation and agreement Kappa statistic tests.
RESULTS: The mean CESBAI scores by observers were O1= 11.6 ± 4.1; O2 = 11.3 ± 4.8; O3 = 11.1 ± 4.9; and O4 = 11.8 ± 4.2 (p > 0.05). Spearman's correlation values of CESBAI between every 2 observers were from 0.61 to 0.94 (p < 0.001) with a global correlation of 0.73 among all observers. Kappa values of CESBAI between every 2 observers ranged from 0.42 to 0.87 (p < 0.001) with a global agreement of 0.57 among all observers. All evaluators stated that the method was easy to use.
CONCLUSIONS: CESBAI is a reliable and reproducible score. Nevertheless, these results must be validated in other studies with larger population before assessing its power for predicting bleeding recurrence.
AIMS: The aim of the study was to validate a new endoscopic score with VCE to measure the severity of small bowel angiodysplasias (SBAD).
METHODS: Four endoscopists independently reviewed VCE videos of 22 patients with SBAD. The score graded 3 variables: A - extent of lesions: E1, located in one half of the intestine and E2, in both halves; B - number of lesions: N1, <5; N2, 5-10; and N3, >10 lesions; C - probability of bleeding: P1, pale red spots; P2, bright red spots; P3, bleeding stigmata; and P4, active bleeding. Capsule Endoscopy Small Bowel Angiodysplasia Activity Index (CESBAI) was calculated as follows: E × 1 + N × 2 + P × 3. Interobserver variability was analyzed by Spearman's correlation and agreement Kappa statistic tests.
RESULTS: The mean CESBAI scores by observers were O1= 11.6 ± 4.1; O2 = 11.3 ± 4.8; O3 = 11.1 ± 4.9; and O4 = 11.8 ± 4.2 (p > 0.05). Spearman's correlation values of CESBAI between every 2 observers were from 0.61 to 0.94 (p < 0.001) with a global correlation of 0.73 among all observers. Kappa values of CESBAI between every 2 observers ranged from 0.42 to 0.87 (p < 0.001) with a global agreement of 0.57 among all observers. All evaluators stated that the method was easy to use.
CONCLUSIONS: CESBAI is a reliable and reproducible score. Nevertheless, these results must be validated in other studies with larger population before assessing its power for predicting bleeding recurrence.