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RISS 인기검색어
- 검색키워드
- 저자 : ( José María Paredes ) (검색결과 2 건)
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José María Paredes,Tomás Ripollés,Ángela Algarra,Rafael Diaz,Nadia Moreno,Patricia Latorre,María Jesús Martínez,Pilar Llopis,Antonio López,Eduardo Moreno-Osset 대한장연구학회 2022 Intestinal Research Vol.20 No.3
Background/Aims: Tight control of inflammation and adjustment of treatment if activity persists is the current strategy for the management of Crohn’s disease (CD). The usefulness of fecal calprotectin (FC) in isolated involvement of the small intestine in CD is controversial. To assess the usefulness of FC to determine the inflammatory activity detected by intestinal ultrasonography (IUS) in ileal CD. Methods: Patients with exclusively ileal involvement CD who underwent IUS and an FC were prospectively included. Simple ultrasound index was used to determine inflammatory activity. The usual statistical tests for comparison of diagnostic techniques were used. Results: One hundred and five patients were included, IUS showed inflammatory activity in 59% of patients and complications in 18.1%. FC showed a significant correlation with IUS in the weak range (Spearman coefficient <i>r</i>=0.502; <i>P</i><0.001); the area under the receiver operating characteristic curve was 0.79 (95% confidence interval, 0.70–0.88; <i>P</i><0.001). The FC value that best reflected the activity in IUS was 100 μg/g with sensitivity, specificity, and positive and negative predictive values of 73.0%, 71.4%, 79.3% and 63.8%, respectively. There were no differences in FC concentration between patients with or without transmural complications. The addition of serum C-reactive protein to FC did not improve the ability to assess IUS activity.Conclusions: FC has a significant correlation with IUS to monitor ileal CD activity. This correlation is weak and it does not allow assessing the presence of CD complications. Both tests should be used in conjunction for tight control of ileal CD. More studies on noninvasive tests in this location are needed.
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Submucosal fat accumulation in Crohn’s disease: evaluation with sonography
( Tomás Ripollés ),( María Jesús Martínez-pérez ),( José María Paredes ),( José Vizuete ),( Gregorio Martin ),( Lidia Navarro ) 대한장연구학회 2023 Intestinal Research Vol.21 No.3
Background/Aims: The study objective is to investigate the ultrasound features that allow suspecting the presence of submu cosal fat deposition, called the fat halo sign (FHS), in the intestinal wall of patients with Crohn’s disease. Methods: Computed tomography (CT) examinations over a period of 10 years were reviewed for the presence of the FHS in the bowel wall. A mea surement of less than -10 Hounsfield units was regarded as indicative of fat. We included only patients who had undergone ultrasound examinations 3 months before or after CT. The study cohort group comprised 68 patients. Wall and submucosal thickness were measured on longitudinal ultrasound sections. A receiver operating characteristic curve was constructed to de termine the best cutoff of ultrasound submucosal wall thickness value for predicting FHS in the bowel wall determined on CT. Results: The FHS was present in 22 patients (31%) on CT. There were significant differences between submucosal thickness of patients with FHS and patients without FHS (4.19 mm vs. 2.41 mm). From the receiver operating characteristic curve, a thresh old value of 3.1 mm of submucosal thickness had the best sensitivity and specificity to suspect FHS (95.5% and 89.1%, respec tively; area under the curve, 0.962), with an odds ratio of 172. All of 16 patients with a submucosal thickness >3.9 mm had FHS. Conclusions: FHS in patients with Crohn’s disease can be suspected on ultrasound in cases with marked thickening of the submucosa layer. In these cases, the activity of the disease should be measured by other parameters such as the color Doppler. (Intest Res 2023;21:385-391)
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