Background: While mucosal healing has been proved to predict relevant clinical outcomes in Crohn's disease (CD), little is known about the long-term significance of transmural healing.
Aims:To prospectively assess the 1-year clinical outcomes in CD patients achieving transmural healing following treatment with biologics, and to compare them with those in patients reaching only mucosal healing or no healing.Methods: Observational longitudinal study, evaluating 1-year outcomes in terms of steroid-free clinical remission, rate of hospitalisation and need for surgery in a group of CD patients treated with anti-tumour necrosis factor (TNF) alpha for 2 years.Bowel sonography was used in all patients to determine transmural healing.Results: Of 218 patients who completed a 2-year treatment course with anti-TNF alpha, 68 (31.2%) presented transmural (plus mucosal) healing (bowel wall thickness ≤3 mm at bowel sonography), 60 (27.5%) mucosal healing only, and 90 (41.3%) did not achieve any intestinal healing. Transmural healing was associated with a higher rate of steroid-free clinical remission (95.6%), lower rates of hospitalisation (8.8%) and need for surgery (0%) at 1 year compared to mucosal (75%, 28.3% and 10%, respectively) and no healing (41%, 66.6% and 35.5%, respectively) (P < 0.001). Furthermore, transmural healing was associated with longer intervals until clinical relapse (HR, hazard ratio 0.87, P = 0.01), hospitalisation (HR 0.88, P = 0.002) and surgery (HR 0.94, P = 0.008) than mucosal healing. Also among patients discontinuing treatment with biologics, transmural healing predicted better clinical outcomes at 1 year than mucosal healing (P = 0.01).
Conclusions:Transmural healing is an ambitious and powerful treatment goal associated, to a greater extent than mucosal healing, with improvement of all clinical outcomes. Additionally, transmural healing is associated with better long-term clinical outcomes than mucosal healing also after discontinuation of biologics.
BACKGROUND & AIMS: Endoscopic and histologic remission are important goals in the treatment of ulcerative colitis (UC). We investigated the correlation of the recently developed Paddington International Virtual ChromoendoScopy ScOre (PICaSSO) and other established endoscopic scores against multiple histological indices and prospectively assessed outcomes. METHODS: In this prospective multicenter international study, inflammatory activity was assessed with high-definition and virtual chromoendoscopy in the rectum and sigmoid using the Mayo Endoscopic Score (MES), UC Endoscopic Index of Severity (UCEIS), and PICaSSO. Targeted biopsies were taken for assessment using Robarts Histological Index (RHI), Nancy Histological index (NHI), ECAP (Extent, Chronicity, Activity, Plus score), Geboes, and Villanacci. Followup data were obtained at 6 and 12 months after colonoscopy. RESULTS: A total of 307 patients were recruited. There was strong correlation between PICaSSO and histology scores, significantly superior to correlation coefficients of MES and UCEIS with histology scores. A PICaSSO score of :::3 detected See editorial on page 1469.
Background: SARS-CoV-2 disease (COVID-19) is a major challenge for the healthcare system and physicians, imposing changes in daily clinical activity. Aims: we aimed to describe what European trainees and young gastroenterologists know about COVID-19 and identify training gaps to implement educational programs. Methods: A prospective web-based electronic survey was developed and distributed via e-mail to all members of the Italian Young Gastroenterologist and Endoscopist Association and to European representatives. Results: One hundred and ninety-seven subjects participated in the survey, of whom 14 (7.1%) were excluded. The majority were gastroenterologists in training (123, 67.7%) working in institutions with COVID-19 inpatients (159, 86.9%), aged ≤30 years (113, 61.8%). The activity of Gastroenterology Units was restricted to emergency visits and endoscopy, with reductions of activities of up to 90%. 84.5% of participants felt that the COVID-19 outbreak impacted on their training, due to unavailability of mentors (52.6%) and interruption of trainee's involvement (66.4%). Most participants referred absence of training on the use of personal protective equipment, oxygen ventilation systems and COVID-19 therapies. Conclusion: COVID-19 outbreak significantly impacted on gastroenterologists' clinical activity. The resources currently deployed are inadequate, and therefore educational interventions to address this gap are warranted in the next future.
Long-term IFX treatment is effective in inducing sustained clinical response in patients with steroid-dependent UC. Combination therapy is predictive of sustained clinical response in the long-term. Patients with more severe endoscopic lesions at baseline and high C-reactive protein after induction are at higher risk of colectomy. Conversely, thiopurine naive status is protective from colectomy.
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