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the global SARS-CoV-2 pandemic forced the closure of endoscopy units. Before resuming endoscopic activity, we designed a protocol to evaluate gastroscopies and colonoscopies cancelled during the pandemic, denying inappropriate requests and prioritizing appropriate ones.

two types of inappropriate request were established a) COVID-19 context, people aged ≤ 50 years without alarm symptoms and a low probability of relevant endoscopic findings; and b) inappropriate context, requests not in line with clinical guidelines or protocols. Denials were filed in the medical record. Appropriate requests were classified into priority, conventional and follow-up. Requests denied by specialty were compared and the findings of priority requests were evaluated.

between March 16th and June 30th 2020, 1,658 requests (44 % gastroscopies and 56 % colonoscopies) were evaluated, of which 1,164 (70 %) were considered as appropriate (priority 8.5 %, conventional 48 %, follow-up 43 % and non-evaluable 0.5 %) and 494 (30 %) as inappropriate (20 % COVID-19 context, 80 % inappropriate context). The reasons for denial of gastroscopy were follow-up of lesions (33 %), insufficiently studied symptoms (20 %) and relapsing symptoms after a previous gastroscopy (18 %). The reasons for denial of colonoscopies were post-polypectomy surveillance (25 %), colorectal cancer after surgery (21 %) and a family history of cancer (13 %). There were significant differences in denied requests according to specialty General Surgery (52 %), Hematology (37 %) and Primary Care (29 %); 31 % of priority cases showed relevant findings.

according to our study, 24 % of endoscopies were discordant with scientific recommendations. Therefore, their denial and the prioritization of appropriate ones optimize the use of resources.

according to our study, 24 % of endoscopies were discordant with scientific recommendations. selleck compound Therefore, their denial and the prioritization of appropriate ones optimize the use of resources.We appreciate the interest shown in our article "Endoscopic ultrasound-guided fine-needle aspiration for splenomegaly and focal splenic lesion is it safe, effective and necessary?", as well as the academic discussion raised by gastroenterology-ultrasound experts in the letter to the editor. In the discussion of our article, we mention that EUS-FNA is necessary and/or the first option in splenomegaly and/or small focal splenic lesions where percutaneous biopsy are limited, when difficulty accessing the focal splenic lesions, in obese patients and in those with ascites, recent abdominal surgery or a poor acoustic window.

colorectal perforations are one of the most feared complications after performing an endoscopic resection. The use of endoclips is considered for the management of these complications.

to evaluate the efficacy and safety of the use of endoclips in the management of perforations and deep mural injuries that occur after an endoscopic colorectal resection.

a prospective cohort of consecutively included patients was used with a diagnosis of perforation or deep mural injury after an endoscopic colorectal resection treated with endoclips in our institution. The rates of perforation and deep mural injury were obtained. The factors associated with an unfavorable evolution after the placement of the endoclips were analyzed.

after 342 endoscopic mucosal resections (EMR) and 42 endoscopic submucosal dissections (ESD), there were 25 cases with perforation or deep mural injury. The deep mural injury rate was 3.22 % and 7.14 % in the case of EMR and ESD, respectively. The perforation rate was 1.46 % and 14.29 % in the case of EMR and ESD, respectively. Successful closure with endoclips was achieved in 24 cases (96 %). Only one patient presented an unfavorable evolution (10 %) after successful closure. The factors associated with an unfavorable evolution were the presence of diffuse peritoneal symptoms and a perforation size greater than or equal to 10 mm.

endoscopic closure with endoclips is effective to avoid surgery in cases of deep mural injury or perforation after an endoscopic resection.

endoscopic closure with endoclips is effective to avoid surgery in cases of deep mural injury or perforation after an endoscopic resection.Inflammatory bowel disease (IBD) is related to different liver extraintestinal manifestations and occurs with or without a link to disease activity. Primary sclerosing cholangitis (PSC) is the most common hepatobiliary manifestation. Other autoimmune hepatopathies may develop during the evolution of the latter, which is known as overlap syndrome. Sequential overlap syndrome occurs when these conditions appear in subsequent stages, and it is less frequently associated with IBD. We report three cases of sequential overlap syndrome with autoimmune hepatitis as the first manifestation, followed by PSC after 7-19 years and subsequently IBD. Liver extraintestinal manifestations may precede IBD by several years. Therefore, it is crucial to keep this association in mind, thereby reducing the diagnostic delay.We have read the article entitled "A rare association acute pancreatitis caused by the influenza virus A with secondary appendicitis in a six-year-old girl" by Láinez Ramos-Bossini AJ et al. with great interest. This case report is successful and informative. We are specifically interested in viruses and pediatric pancreatitis and would like to mention a few crucial points about pediatric pancreatitis caused by a viral infection.

between 30 % and 40 % of patients treated with infliximab lose response during maintenance. Therapeutic drug monitoring could be used to optimize management in these situations. However, infliximab serum levels are not well defined. The aim of this study was to determine the cut-off range of infliximab serum levels in Crohn's disease patients in remission in the clinical practice.

an observational retrospective study was performed from 2016 to 2017. Patients were included with established Crohn's disease, who had been on a maintenance dose schedule of infliximab. Infliximab levels and antibodies to infliximab were measured at least twice in all patients, after induction and after six months of treatment. Clinical remission was defined as ≤ 4 using the Harvey-Bradshaw index. Cluster analysis was used to analyze the results.

one hundred and five Crohn's disease patients were included in the study; 57.1 % were male with a mean age of 39 years (SD ± 12.9). The median (range) time of the disease was eleven years (7-15) and the median (range) time of follow-up was 32 months (22-38).