Abstract
Background
Patients with Crohn’s disease can develop intestinal strictures, containing various degrees of inflammation and fibrosis. Differentiation of the main component of a stricturing lesion is the key for defining the therapeutic management.
Aims
We assessed for the first time the accuracy of magnetic resonance elastography in detecting intestinal fibrosis and predicting clinical course in patients with Crohn’s disease.
Methods
This was a prospective study of adult patients with Crohn’s disease and magnetic resonance imaging examination, including magnetic resonance elastography, between April 2019 and February 2020. The association between the bowel stiffness value and the degree of fibrosis was evaluated. The relationship between the stiffness value and the occurrence of clinical events was also investigated.
Results
A total of 69 patients were included. The stiffness value measured by magnetic resonance elastography was correlated with the degree of fibrosis (p < 0.001). A bowel stiffness ≥ 3.57 kPa predicted the occurrence of clinical events with an area under the curve of 0.82 (95% CI 0.71–0.93). Bowel stiffness ≥ 3.57 kPa was associated with an increased risk of clinical events (p < 0.0001).
Conclusion
In Crohn’s disease, magnetic resonance elastography is a reliable tool for detecting intestinal fibrosis and predicting a worse disease outcome.
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Data availability
The data underlying this article are available in the article and in its online supplementary material.
Abbreviations
- CD:
-
Crohn’s Disease
- CI:
-
Confidence Interval
- HASTE:
-
Half-Fourier Single-shot Turbo spin-Echo
- IBD:
-
Inflammatory Bowel Disease
- ICC:
-
Intraclass Correlation Coefficient
- IQR:
-
Interquartile Range
- kPa:
-
Kilopascal
- MRE:
-
Magnetic Resonance Elastography
- MRI:
-
Magnetic Resonance Imaging
- NPV:
-
Negative Predictive Value
- PFS:
-
Progression-Free Survival
- PPV:
-
Positive Predictive Value
- ROC:
-
Receiver Operating Characteristic
- ROI:
-
Region Of Interest
- RTE:
-
Real-Time Elastography
- SWE:
-
Shear-Wave Elastography
- TNF:
-
Tumor Necrosis Factor
- TrueFISP:
-
Fast Imaging with Steady-state free Precession
- VAS:
-
Visual Analog Scale
- VIBE:
-
Volumetric Interpolated Breath-hold Examination
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FA contributed to data collection, interpretation of data and drafting of the manuscript; BC contributed to interpretation of data and drafting of the manuscript; GH contributed to statistical analysis and interpretation of data; KA, SK contributed to data collection and interpretation of data; FO, JF, SD, MC contributed to critical review of the manuscript; VL contributed to data collection and interpretation of data; LPB contributed to study concept and design, interpretation of data and study supervision. All authors approved the final version of the manuscript.
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F Avila, B Caron, G Hossu, F Odille, J Felblinger, M Choukour and V Laurent declare no conflict of interest. K Ambarki and S Kannengiesser are employees of Siemens Healthcare. S Danese has served as a speaker, consultant and advisory board member for Schering-Plough, AbbVie, Actelion, Alphawasserman, AstraZeneca, Cellerix, Cosmo Pharmaceuticals, Ferring, Genentech, Grunenthal, Johnson and Johnson, Millenium Takeda, MSD, Nikkiso Europe GmbH, Novo Nordisk, Nycomed, Pfizer, Pharmacosmos, UCB Pharma and Vifor. L Peyrin-Biroulet has served as a speaker, consultant and advisory board member for Merck, Abbvie, Janssen, Genentech, Mitsubishi, Ferring, Norgine, Tillots, Vifor, Hospira/Pfizer, Celltrion, Takeda, Biogaran, Boerhinger-Ingelheim, Lilly, HAC- Pharma, Index Pharmaceuticals, Amgen, Sandoz, For- ward Pharma GmbH, Celgene, Biogen, Lycera, Samsung Bioepis, Theravance.
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Avila, F., Caron, B., Hossu, G. et al. Magnetic Resonance Elastography for Assessing Fibrosis in Patients with Crohn’s Disease: A Pilot Study. Dig Dis Sci 67, 4518–4524 (2022). https://doi.org/10.1007/s10620-021-07311-9
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DOI: https://doi.org/10.1007/s10620-021-07311-9