Sarcopenia has been associated with poor prognosis in chronic diseases.
To investigate the role of sarcopenia in predicting clinical and endoscopic outcomes in patients with Crohn's disease (CD).
Consecutive CD patients who started biologics between 2014 and 2020 and underwent abdominal magnetic resonance or computed tomography within 6 months from the beginning of the biological therapy were enroled. Sarcopenia was defined as Psoas Muscle Index (PMI) lower than 5.4 cm²/m² (men) and 3.56 cm²/m² (women). Univariate and multivariate analyses were used to evaluate whether sarcopenia could predict steroid-free clinical remission (SFCR), endoscopic remission (ER), hospitalisation and surgery after 12 months of therapy.
358 patients were included. Sarcopenia was found in 18.2% of patients, and it was associated with a lower rate of ER (14.8% vs 47.7%; p = 0.002) after 12 months of therapy, while it was not associated with SFCR (65.1% vs 70.1%; p = 0.435), hospitalisation (9.2% vs 7.8%; p = 0.801) and surgery (3.1% vs 6.1%; p = 0.549). Sarcopenia was identified as a predictor of lack of ER (odds ratio [OR]=5.2; p = 0.006), as well as smoking (OR=2.5; p = 0.028) and perianal disease (OR=2.6; p = 0.020).
Sarcopenia is a negative prognostic factor for ER in CD patients treated with biologics.
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Published online: March 14, 2023
Accepted: February 22, 2023
Received: August 12, 2022
Publication stageIn Press Corrected Proof
© 2023 Editrice Gastroenterologica Italiana S.r.l. Published by Elsevier Ltd. All rights reserved.