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INTRODUCTION Proton-pump inhibitors (PPI) are frequently prescribed for wide gastrointestinal disorders. The indications are well established, although a high rate of misuse has been reported. METHODS Observation cross-sectional study conducted a tertiary hospital. Adult patients who attended the emergency department were eligible. The appropriate indication was evaluated. Also, the prescription period, dosage and the prescribing clinician were reviewed. RESULTS 300 patients were included. The indication was adequate in 142 patients (47.3%). The main indication was the primary prophylaxis for NSAIDs/ASA-induced enteropathy (n=95 patients, 31.7%). Polypharmacy was the main misuse indication (n=82 patients, 27.3%). The median prescription duration was 31 months (IQR 9-72), ranging from one month to 360 months. The duration was lower in those with correct indication (42.3 vs 59.6 months, P=.02). The primary care physician was the main responsible for prescription (n=165 patients, 55%), followed by gastroenterologist (n=38 patients, 12.7%) without significant differences in appropriateness by speciality. CONCLUSIONS Studies like this raise awareness about the PPI overuse and misuse. Deprescribing should be considered as essential to reduce iatrogenic risk and redundant health expenditure.

Background Carriers of the human leucocyte antigen variant HLADQA1*05 (rs2097432) are at risk of developing antibodies against infliximab and adalimumab with reduced tumor necrosis factor (TNF) antagonist persistence. The impact of proactive therapeutic drug monitoring (PTDM) on this association has been barely assessed. Methods We conducted a retrospective single-center cohort study including patients with inflammatory bowel disease starting anti-TNF therapy between January 2017 and March 2021. Proactive therapeutic drug monitoring was defined as periodic drug level measurement (≥2 determinations during the first year of treatment and ≥1/annual determination during the following years), regardless of clinical condition, followed by dose optimization. Variables associated with treatment persistence were assessed with multivariable Cox regression analysis. Results A total of 112 patients were included, 52 (46.4%) HLA-DQA1*05 carriers, with a median follow-up of 73.9 (interquartile range, 35.4-133.1) weeks. Combination therapy with thiopurines was more frequent among HLA-DQA1*05 noncarriers (28 [46.7%] vs 12 [23.1%]; P = .01). Clinical remission rates at week 14 (77.9% vs 73.9%; P = .69) and 56 (73.2% vs 68.4%; P = .64) were similar between HLA-DQA1*05 noncarriers and carriers. Drug persistence was higher among HLA-DQA1*05 carriers (hazard ratio [HR], 0.32; 95% confidence interval, 0.14-0.71; P = .01). Multivariable Cox regression analysis identified systemic steroids at anti-TNF initiation (HR, 4; 95% confidence interval, 1.7-9.7) as a risk factor and HLA-DQA1*05 carriers (HR, 0.31; 95% confidence interval, 0.12–0.81) as a protective factor of treatment cessation. Conclusion In adult patients with PTDM, a positive HLA-DQA1*05 genotype does not associate a higher risk of treatment cessation nor worse clinical outcomes.

Supplemental material, sj-docx-2-tag-10.1177_17562848231153560 for Effectiveness and safety of ustekinumab in bio-naïve Crohn’s disease patients: a multicentre observational retrospective study by Valdés Delgado Teresa, Olmedo Martín Rául, Iborra Marisa, Herrera de Guisé Claudia, Fuentes-Valenzuela Esteban, Melcarne Luigi, Martín-Rodríguez Mª Mar, Kolle Casso Lilyan, De Castro Parga Luisa, Ponferrada Díaz Ángel, Vicente Lidón Raquel, Manceñido Marcos Noemí, Velayos Jiménez Benito, Lázaro Sáez Marta, López Cauce Beatriz, Mesonero Gismero Francisco, Gilabert Álvarez Pau and Argüelles-Arias Federico in Therapeutic Advances in Gastroenterology

Supplemental material, sj-docx-3-tag-10.1177_17562848231153560 for Effectiveness and safety of ustekinumab in bio-naïve Crohn’s disease patients: a multicentre observational retrospective study by Valdés Delgado Teresa, Olmedo Martín Rául, Iborra Marisa, Herrera de Guisé Claudia, Fuentes-Valenzuela Esteban, Melcarne Luigi, Martín-Rodríguez Mª Mar, Kolle Casso Lilyan, De Castro Parga Luisa, Ponferrada Díaz Ángel, Vicente Lidón Raquel, Manceñido Marcos Noemí, Velayos Jiménez Benito, Lázaro Sáez Marta, López Cauce Beatriz, Mesonero Gismero Francisco, Gilabert Álvarez Pau and Argüelles-Arias Federico in Therapeutic Advances in Gastroenterology

Ischemia reperfusion injury (IRI) on postreperfusion biopsies is associated with worse outcomes after liver transplantation, although the influence on biliary complications (BC) remains poorly studied. Therefore, the primary aim of our study was to assess the influence of IRI on the incidence of BC. A secondary aim was to assess the influence of steatosis on biliary complications and determine factors that predictor BC.We report a retrospective cohort study including patients with liver transplantation and postreperfusion injury. Biopsies were classified as relevant and nonrelevant ischemia reperfusion injury for assessment of BC. BC included anastomotic stricture, ischemic cholangiopathy, leaks, and bilomas. Independent predictive factors of biliary complications were assessed using univariate and multivariate analyses.302 patients were included, and 125 patients fulfilled the criteria for relevant IRI (41.4%). Worse IRI was not associated with biliary complications (42.5% vs 40.1%; P = .68), nor was liver graft steatosis associated with BC (40.5% vs 41.5%, P = .95). The median time until biliary complications did not differ between the 2 groups (2 months; interquartile range = 1-15 vs 3 months; interquartile range = 1-12.5; P = .18). Hepatic artery thrombosis (odds ratio [OR] = 3.4; 95% confidence interval [CI], 1.4-8.2; P = .004), older donor age (OR = 2.1; 95% CI, 1.1-4.1; P = .024), and prolonged cold ischemia time (OR = 1.9; 95% CI, 1.1-3.2) were independent factors of biliary complications.Severe IRI on the postreperfusion injury does not predict development of biliary complications.

Renal squamous cell carcinoma is a rare neoplasm in adults, but with an aggressive behavior. It is diagnosed in most cases in advanced stages. The invasion of the digestive tract by this type of tumor is rare, due to the anatomical arrangement of the colon, however, when it occurs, it carries a poor prognosis for the patient. Digestive endoscopy allows us to reach a definitive diagnosis since these patients usually present digestive manifestations, such as diarrhoea, digestive bleeding or abdominal pain.

The use of premedication for upper gastrointestinal endoscopy (UGE) is not widely established in western countries. The primary aim was to compare gastric visibility according to the total visibility score (TVS). As secondary aim to assess complications, diagnostic yield, endoscopic procedure time, sedation dose and patient' satisfaction.Single center prospective cohort study including consecutive adults undergoing an UGE in the afternoon working shift. After completing enrolment in the control group, patients were administered 200 mg simethicone and 500 mg N-acetylcysteine diluted in 100 ml of water15 minutes before the procedure. All procedures were recorded and a single, blinded endoscopist evaluated the TVS after recruitment of both cohorts. Patient' satisfaction was evaluated using the Spanish translation of the American Society of Gastrointestinal Endoscopy satisfaction questionnaire.205 patients were included, 103 females (50.2%) with a median age of 54.8-years (IQR: 41.2-65.2). 104 were enrolled to the control group and 101 to the intervention group. Patients receiving premedication presented a higher rate of adequate gastric visibility (74.3% vs 45.2; difference 95% CI: 16,3-41,9%, p0.001) and excellent (23.8% vs 7.7%; difference 95% CI: 6,3-25,8%, p=0.002). Propofol dose was similar, although median procedure time was lower in the group of no intervention [5 (IQR: 4-7) vs 6 minutes (IQR: 5-7); p=0.03]. Procedure related adverse events were similar, except that patient without premedication experienced more nausea episodes. Major and minor endoscopic findings and the satisfaction questionnaire showed no differences between both groups.Patients receiving premedication with simethicone and N-acetylcysteine presented a better gastric visibility score, without increase in adverse events or affecting the patients' satisfaction.

BACKGROUND: Postreperfusion liver biopsy (PRB) can assess the degree of ischemia/reperfusion injury (IRI) after orthotopic liver transplantation (OLT). The influence of IRI on graft outcomes and overall survival is controversial. AIM: To determine the correlation between the severity of IRI in PRB and overall graft and patient survival and, secondarily, to identify factors on PRB that predict poor graft outcomes. METHODS: This is a retrospective analysis of all patients who underwent OLT using donation after brain death (DBD) with PRB. The severity of IRI in PRB was graded. Predictors of IRI were assessed using univariate and multivariate analysis and the Kaplan–Meier with log rank test for the graft and overall survival, respectively. RESULTS: We included 280 OLTs (64.7%). The histopathological assessment of IRI severity was as follows: no IRI (N = 96, 34.3%), mild IRI (N = 65; 23.2%), moderate IRI (N = 101; 36.1%), and severe IRI (N = 18; 6.4%). The incidence rates of initial good graft function (IGGF), primary nonfunction and early allograft dysfunction (EAD) were 32.5%, 3.9%, and 18.6%, respectively. Severe IRI was associated with a lower incidence of IGGF (OR: 0.34, 95% CI 0.12–0.92; P = 0.03). Patients with severe IRI tended to have a higher incidence of EAD (33.2% vs. 18.6, P = 0.23). The cold ischemia time was an independent predictor of severe IRI on the multivariate analysis. Severe IRI was associated with poor 1- and 5-year overall survival rates (67% and 44%, respectively, compared with 84 and 68% in nonsevere IRI). Patients with severe IRI exhibited worse graft and overall survival. CONCLUSIONS: Cold ischemia time predicts the development of severe IRI. Patients with severe IRI show worse graft and overall survival and a lower incidence of IGGF, suggesting that histopathological findings could be useful for identifying patients at high risk of worse outcomes after OLT.

Background and Aims Clinical trials and real-life studies with ustekinumab in Crohn’s disease [CD] have revealed a good efficacy and safety profile. However, these data are scarcely available in elderly patients. Therefore, we aim to assess the effectiveness and safety of ustekinumab in elderly patients with CD. Methods Elderly patients [>60 years old] from the prospectively maintained ENEIDA registry treated with ustekinumab due to CD were included. Every patient was matched with two controls under 60 years of age, according to anti-tumour necrosis factor use and smoking habit. Values for the Harvey–Bradshaw Index [HBI], endoscopic activity, C-reactive protein [CRP] and faecal calprotectin [FC] were recorded at baseline and at weeks 16, 32 and 54. Results In total, 648 patients were included, 212 of whom were elderly. Effectiveness was similar between young and elderly patients during the follow-up. Steroid-free remission was similar at week 16 [54.6 vs 51.4%, p = 0.20], 32 [53.0% vs 54.5%, p = 0.26] and 54 [57.8% vs 51.1%, p = 0.21]. Persistence of ustekinumab as maintenance therapy was similar in both age groups [log-rank test; p = 0.91]. There was no difference in the rate of adverse effects [14.2% vs 11.2%, p = 0.350], including severe infections [7.1% vs 7.3%, p = 1.00], except for the occurrence of de novo neoplasms, which was higher in older patients [0.7% vs 4.3%, p = 0.003]. Conclusions Ustekinumab is as effective in elderly patients with CD as it is in non-elderly patients. The safety profile also seems to be similar except for a higher rate of de novo neoplasms, probably related to the age of the elderly patients.