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The irritable bowel syndrome (IBS) is a chronic disorder of gut-brain interaction. IBS is still associated with areas of uncertainties, especially regarding the optimal diagnostic work-up and the more appropriate management. Experts from 7 Italian Societies conducted a Delphi consensus with literature summary and voting process on 27 statements. Recommendations and quality of evidence were evaluated using the grading of recommendations, assessment, development, and evaluation (GRADE) criteria. Consensus was defined as >80% agreement and reached for all statements. In terms of diagnosis, the consensus supports a positive diagnostic strategy with a symptom-based approach, including the psychological comorbidities assessment and the exclusion of alarm symptoms, together with the digital rectal examination, full blood count, C-reactive protein, serology for coeliac disease, and fecal calprotectin assessment. Colonoscopy should be recommended in patients with alarm features. Regarding treatment, the consensus strongly supports a dietary approach for patients with IBS, the use of soluble fiber, secretagogues, tricyclic antidepressants, psychologically directed therapies and, only in specific IBS subtypes, rifaximin. A conditional recommendation was achieved for probiotics, polyethylene glycol, antispasmodics, selective serotonin reuptake inhibitors and, only in specific IBS subtypes, 5-HT3 antagonists, 5-HT4 agonists, bile acid sequestrants., Competing Interests: Declaration of Competing Interest The following authors declare the following paid or unpaid consultancies, business interests or sources of honoraria payments for the past three years, and anything else which could potentially be viewed as a conflict of interest: GB: Aboca, AB Biotics, Agave, Alfa Sigma, AGPharma, Bayer, Bromatech, Cadigroup, Biocodex, Sanofy, GE Healthcare, Mayoly, Diadema, Sofar; CC: Sofar, Interalia Pharma, Schwabe Pharma; consultation fees from Alfa Sigma; MB: is consultant for GE Healthcare, Aboca, Diadema, Norgine, Alfasigma, SOFAR, Agave; MC: is consultant for Arena, RB, Takeda, Mayoly, Biocodex and Sanofi and is Co-Chief Investigator in a research grant funded by Sanofi; LF: is consultant for Alfasigma e Norgine; GM: served as an advisory board member for EG Pharma; received lecture grants from AlfaSigma, Bromatech, Echosens, Ferring and Schwabe Pharma. EVS, has served as speaker for Abbvie, AGPharma, Alfasigma, EG Stada Group, Fresenius Kabi, Grifols, Janssen, Innovamedica, Malesci, Pfizer, Reckitt Benckiser, Sandoz, SILA, Sofar, Takeda, Unifarco; has served as consultant for Alfasigma, Amgen, Biogen, Bristol-Myers Squibb, Celltrion, Diadema Farmaceutici, Falk, Fresenius Kabi, Janssen, Merck & Co, Reckitt Benckiser, Regeneron, Sanofi, Shire, SILA, Sofar, Synformulas GmbH, Takeda, Unifarco; he received research support from Reckitt Benckiser, SILA, Sofar, Unifarco; AS: is clinical investigator for Janssen Biologics B.V., Eli Lilly Cork Limited and Novalac; consultant for Aboca, Abbott, Angelini e Novalac; was clinical investigator for Aboca and PAREXEL International. VS: Alfa Sigma, Bayer, Coloplast, GE Healthcare, Menarini, Norgine. All the other authors declared no conflicts of interest., (Copyright © 2022 Editrice Gastroenterologica Italiana S.r.l. Published by Elsevier Ltd. All rights reserved.)

Background: Few studies focused on minor adverse events which may develop after colonoscopy., Aims: To investigate the incidence and factors associated to post-colonoscopy symptoms., Methods: This is a prospective study conducted in 10 Italian hospitals. The main outcome was a cumulative score combining 10 gastrointestinal (GI) symptoms occurring the week following colonoscopy. The analyses were conducted via multivariate logistic regression., Results: Of 793 subjects included in the analysis, 361 (45.5%) complained the new onset of at least one GI symptom after the exam; one symptom was reported by 202 (25.5%), two or more symptoms by 159 (20.1%). Newly developed symptoms more frequently reported were epigastric/abdominal bloating (32.2%), pain (17.3%), and dyspeptic symptoms (17.9%). Symptoms were associated with female sex (odds ratio [OR]=2.54), increasing number of symptoms developed during bowel preparation intake (OR=1.35) and somatic symptoms (OR=1.27). An inverse association was observed with better mood (OR=0.74). A high-risk profile was identified, represented by women with bad mood and somatic symptoms (OR=8.81)., Conclusion: About half of the patients develop de novo GI symptoms following colonoscopy. Improving bowel preparation tolerability may reduce the incidence of post-colonoscopy symptoms, especially in more vulnerable patients., Competing Interests: Declaration of Competing Interest AR received consulting fees from ERBE, Fujifilm, Boston Scientific, Norgine, Olympus, Medtronic, Cosmo, EndoStart; payment or honoraria for lectures, presentations, speaker's bureau, manuscript writing or educational events from: Norgine, Boston Scientific, Fujifilm, Medtronic, ERBE, 3D-Matrix. LFu received consulting fees and honoraria for lectures from Norgine and AlfaSigma. All other authors declared no competing interest., (Copyright © 2022 Editrice Gastroenterologica Italiana S.r.l. Published by Elsevier Ltd. All rights reserved.)

Background: Patients affected by gastrointestinal disorders often experience sexual dysfunction (SD). This creates stress and anxiety which impact on patients' and/or their partners' quality of life. A multidisciplinary approach to SD is often advisable in these patients. This survey assessed if gastroenterologists routinely discuss SD with their patients and the barriers toward discussing SD in clinical practice., Methods: A 29-item questionnaire was sent to members of the Italian Society of Gastroenterology and Digestive Endoscopy (SIGE). A descriptive analysis of responses was performed., Results: Out of 714 eligible gastroenterologists, 426 (59.7%), responded.The majority (>70%) never/infrequently investigated SD with their patients and, similarly, most patients never discussed SD during the visit. The most reported reasons were lack of knowledge (58%), time (44%), and embarrassment (30%). However, more than 70% of respondents indicated that all specialists should be able to manage sexual problems, and more than 80% declared that it would be useful for gastroenterologists to attend courses dedicated to the problem of SD., Conclusion: Despite the high prevalence of SD, counselling was not routinely performed in gastroenterological care. Lack of education/knowledge appeared as the most important factor. Most of responders felt that attending a course on SD might increase the awareness of SD., Competing Interests: Declaration of Competing Interest None declared., (Copyright © 2022. Published by Elsevier Ltd.)

Background: Symptoms developing during bowel preparation are major concerns among subjects who refuse the procedure., Aims: We aimed to explore the determinants of symptoms occurring during preparation among patients undergoing elective colonoscopy., Methods: This is a prospective multicenter study conducted in 10 Italian hospitals. A multidimensional approach collecting socio-demographic, clinical, psychological and occupational information before colonoscopy through validated instruments was used. Outcome was a four-category cumulative score based on symptoms occurring during preparation, according to the Mayo Clinic Bowel Prep Tolerability Questionnaire, weighted by intensity. Missing values were addressed through multiple imputation. Odds ratios (OR) and 95% confidence intervals (CI) were estimated through multivariate logistic regression models., Results: 1137 subjects were enrolled. Severe symptoms were associated with female sex (OR=3.64, 95%CI 1.94-6.83), heavier working hours (OR=1.13, 95% CI=1.01-1.25), previous gastrointestinal symptoms (OR=7.81, 95% CI 2.36-25.8 for high score), somatic symptoms (OR=2.19, 95% CI=1.06-4.49 for multiple symptoms), day-before regimen (OR=2.71, 95%CI 1.28-5.73). On the other hand, age ≥60 years (OR=0.10, 95% CI 0.02-0.44) and good mood (p=0.042) were protective factors. A high-risk profile was identified, including women with low mood and somatic symptoms (OR=15.5, 95%CI 4.56-52.7)., Conclusions: We identified previously unreported determinants of symptoms burdening bowel preparation and identified a particularly vulnerable phenotype. Symptoms during preparation especially impact heavier working activity., Competing Interests: Conflict of interest AR received consulting fees from ERBE, Fujifilm, Boston Scientific, Norgine, Olympus, Medtronic, Cosmo, EndoStart; payment or honoraria for lectures, presentations, speaker's bureau, manuscript writing or educational events from: Norgine, Boston Scientific, Fujifilm, Medtronic, ERBE, 3D- Matrix. LFu received consulting fees and honoraria for lectures from Norgine and AlfaSigma. All other authors declared no competing interest., (Copyright © 2022 Editrice Gastroenterologica Italiana S.r.l. Published by Elsevier Ltd. All rights reserved.)

Helicobacter pylori infection is very common and affects more than one-third of adults in Italy. Helicobacter pylori causes several gastro-duodenal diseases, such as gastritis, peptic ulcer and gastric malignancy, and extra-gastric diseases. The eradication of the bacteria is becoming complex to achieve due to increasing antimicrobial resistance. To address clinical questions related to the diagnosis and treatment of Helicobacter pylori infection, three working groups examined the following topics: (1) non-invasive and invasive diagnostic tests, (2) first-line treatment, and (3) rescue therapies for Helicobacter pylori infection. Recommendations are based on the best available evidence to help physicians manage Helicobacter pylori infection in Italy, and have been endorsed by the Italian Society of Gastroenterology and the Italian Society of Digestive Endoscopy., Competing Interests: Conflict of interest None declared., (Copyright © 2022. Published by Elsevier Ltd.)

Background and Aims: The present study was aimed to assess the risk of SARS-CoV-2 infection and associated factors among HCWs in endoscopy centers in Italy., Methods: All members of the Italian Society of Digestive Endoscopy (SIED) were invited to participate to a questionnaire-based survey during the first months of the COVID-19 outbreak in Italy., Results: 314/1306 (24%) SIED members accounting for 201/502 (40%) endoscopic centers completed the survey. Personal Protection Equipment (PPE) were available in most centers, but filtering face-piece masks (FFP2 or FFP3) and negative pressure room were not in 10.9 and 75.1%. Training courses on PPE use were provided in 57.2% of centers only; there was at least one positive HCW in 17.4% of centers globally, 107/3308 (3.2%) HCWs were diagnosed with COVID-19 with similar rates of physicians (2.9%), nurses (3.5%) and other health operators (3.5%). Involvement in a COVID-19 care team (OR: 4.96) and the lack of training courses for PPE, (OR: 2.65) were associated with increased risk., Conclusions: The risk of COVID-19 among endoscopy HCWs was not negligible and was associated with work in a COVID-19 care team and lack of education on proper PPE use. These data deserve attention during the subsequent waves., Competing Interests: Declaration of Competing Interest None., (Copyright © 2021 Editrice Gastroenterologica Italiana S.r.l. Published by Elsevier Ltd. All rights reserved.)

Background: Colonoscopy demands a considerable amount of resources, and little is known about its diagnostic yield among inpatients., Aims: To assess indications, diagnostic yield and findings of colonoscopy for inpatients, and to identify risk factors for relevant findings and cancer., Methods: Multicentre, prospective, observational study including 12 hospitals. Consecutive adult inpatients undergoing colonoscopy were evaluated from February through November 2019., Results: 1,302 inpatients underwent colonoscopy. Diagnostic yield for relevant findings and cancer was 586 (45%) and 112 (8.6%), respectively. Adequate colon cleansing was achieved in 896 (68.8%) patients. Split-dose/same-day regimen was adopted in 847 (65%) patients. Factors associated to relevant findings were age ≥70 years (RR 1.32), male gender (RR 1.11), blood loss (RR 1.22) and adequate cleansing (RR 1.63). Age ≥70 years (RR 2.08), no previous colonoscopy (RR 2.69) and split-dose/same-day regimen (RR 1.59) significantly increased cancer detection. Implementing adequate cleansing and split-dose/same-day regimen in all patients would increase the diagnostic yield for any relevant findings and cancer from 43% to 70% and from 6% to 10%, respectively., Conclusion: Relevant colorectal diseases and cancer were frequent among inpatients. Factors associated with detection of relevant findings were identified. Adequate colon cleansing and split-dose/same-day regimen significantly increased colonoscopy diagnostic yield., Competing Interests: Declaration of Conflicting Interest The Authors declare that there is no conflict of interest, neither personal nor financial., (Copyright © 2020 Editrice Gastroenterologica Italiana S.r.l. Published by Elsevier Ltd. All rights reserved.)

Background: Inpatients are at risk for inadequate colon cleansing. Experts recommend 4L-polyethylene-glycol (PEG) solution. A higher colon cleansing adequacy rate for a hyperosmolar 1L-PEG plus ascorbate prep has been recently reported., Aims: We aimed to determine whether 1L-PEG outperforms 4L-PEG among inpatients., Methods: post-hoc analysis of a large Italian multicenter prospective observational study among inpatients (QIPS study). We performed a propensity score matching between 1L-PEG and 4L-PEG group. The primary outcome was the rate of adequate colon cleansing as assessed by unblinded endoscopists through Boston scale. Secondary outcome was the safety profile., Results: Among 1,004 patients undergoing colonoscopy, 724 (72%) were prescribed 4L-PEG and 280 (28%) 1L-PEG. The overall adequate colon cleansing rate was 69.2% (n = 695). We matched 274 pairs of patients with similar distribution of confounders. The rate of patients with adequate colon cleansing was higher in 1L-PEG than in 4L-PEG group (84.3% vs. 77.4%, p = 0.039). No different shift in serum concentration of electrolytes (namely Na + , K + , Ca 2+ ), creatinine and hematocrit were observed for both preparations., Conclusion: We found a higher rate of adequate colon cleansing for colonoscopy with the 1L-PEG bowel prep vs. 4L-PEG, with apparent similar safety profile, among inpatients. A confirmatory randomized trial is needed. (ClinicalTrials.gov no: NCT04310332)., (Copyright © 2020. Published by Elsevier Ltd.)

The new corona virus disease has started in Wuhan - China at the end of 2019 and quickly spread with a pandemic trend across the rest of the world. The scientific community is making an extraordinary effort to study and control the situation, but the results are just partial. Based on the most recent scientific literature and strong statements by the most prestigious international health institutions, the Italian Society of Digestive Endoscopy has drawn up some recommendations about the use of personal protective equipment, the correct way of dressing and undressing of endoscopists and nurses, before and after digestive endoscopy procedures. In addition, some other important indications are given to reduce the risk of contamination of healthcare providers during endoscopic activities, in the setting of a pandemic. Nevertheless, because of the very quick evolution of our knowledge on this issue, these recommendations must be considered as evolving, because they could change in a short time., Competing Interests: Declaration of competing interest All the Authors declare that they have no conflict of interest., (Copyright © 2020 Editrice Gastroenterologica Italiana S.r.l. Published by Elsevier Ltd. All rights reserved.)

Chronic atrophic gastritis (CAG) is an underdiagnosed condition characterised by translational features going beyond the strict field of gastroenterology as it may manifest itself by a variable spectrum of gastric and extra-gastric symptoms and signs. It is relatively common among older adults in different parts of the world, but large variations exist. Helicobacter pylori-related CAG [multifocal] and autoimmune CAG (corpus-restricted) are apparently two different diseases, but they display overlapping features. Patients with cobalamin and/or iron deficiency anaemia or autoimmune disorders, including autoimmune thyroiditis and type 1 diabetes mellitus, should be offered screening for CAG. Pepsinogens, gastrin-17, and anti-H. pylori antibodies serum assays seem to be reliable non-invasive screening tools for the presence of CAG, helpful to identify individuals to refer to gastroscopy with five standard gastric biopsies in order to obtain histological confirmation of diagnosis. Patients with CAG are at increased risk of developing gastric cancer, and they should be estimated with histological staging systems (OLGA or OLGIM). H. pylori eradication may be beneficial by modifying the natural history of atrophy, but not that of intestinal metaplasia. Patients with advanced stages of CAG (Stage III/IV OLGA or OLGIM) should undergo endoscopic surveillance every three years, those with autoimmune CAG every three-five years. In patients with CAG, a screening for autoimmune thyroid disease and micronutrient deficiencies, including iron and vitamin B 12 , should be performed. The optimal treatment for dyspeptic symptoms in patients with CAG remains to be defined. Proton pump inhibitors are not indicated in hypochlorhydric CAG patients., (Copyright © 2019 Editrice Gastroenterologica Italiana S.r.l. Published by Elsevier Ltd. All rights reserved.)

Eosinophilic colitis is a rare entity characterized by the presence of a high eosinophilic infiltrate into the colonic wall in symptomatic patients, more often presenting with abdominal pain or diarrhea. These characteristics distinguish eosinophilic colitis from primary colonic eosinophilia, in which patients are asymptomatic. Primary colonic eosinophilia does not need any therapy, while eosinophilic colitis requires a strict treatment, similar to that of the more codified chronic intestinal inflammatory diseases. To date the lack of codified guidelines regarding the diagnostic criteria and the eosinophil threshold values for each colonic segment are the main diagnostic challenge for eosinophilic colitis. In addition, eosinophilic colitis is a diagnosis of exclusion, once all other causes of colonic eosinophilia (food allergens, infections, drugs, etc.) have been excluded. Several treatment options are available for eosinophilic colitis, although the evidence for most of them is limited to case reports and small case series. We examine the epidemiology, etiology, pathophysiology, diagnostic criteria and therapeutic options of eosinophilic colitis reporting recent evidence from the current literature., (Copyright © 2019 Editrice Gastroenterologica Italiana S.r.l. Published by Elsevier Ltd. All rights reserved.)

Knowledge on the role of Helicobacter pylori (HP) infection is continually evolving, and treatment is becoming more challenging due to increasing bacterial resistance. Since the management of HP infection is changing, an update of the national Italian guidelines delivered in 2007 was needed. In the III Working Group Consensus Report 2015, a panel of 17 experts from several Italian regions reviewed current evidence on different topics relating to HP infection. Four working groups examined the following topics: (1) "open questions" on HP diagnosis and treatment (focusing on dyspepsia, gastro-oesophageal reflux disease, non-steroidal anti-inflammatory drugs or aspirin use and extra-gastric diseases); (2) non-invasive and invasive diagnostic tests; (3) treatment of HP infection; (4) role of HP in the prevention of gastric cancer. Statements and recommendations were discussed and a consensus reached in a final plenary session held in February 2015 in Bologna. Recommendations are based on the best current evidence to help physicians manage HP infection in Italy. The guidelines have been endorsed by the Italian Society of Gastroenterology and the Italian Society of Digestive Endoscopy., (Copyright © 2015 Editrice Gastroenterologica Italiana S.r.l. Published by Elsevier Ltd. All rights reserved.)

Background: The Physiological and Operative Severity Score for the enUmeration of Mortality and morbidity model, and its Portsmouth and colorectal modifications are used to predict postoperative mortality and morbidity after colorectal surgery., Aims: To compare stent placement as a bridge to surgery vs. emergency surgical resection in patients with acute left-sided colorectal cancer obstruction using P-POSSUM and CR-POSSUM., Methods: From January 2008 to December 2009, the physiological and operative scores, morbidity and mortality predicted by the P-POSSUM and CR-POSSUM scores were collected in all consecutive patients with LCCO who underwent surgical resection directly (Group A) or after stent placement (Group B)., Results: Eighty-six patients were enrolled (Group A-41 and Group B-45). The observed 30-day mortality rate was 9.8% (4/41) in Group A and 2.4% (1/45) in Group B. The 30-day morbidity rate was 61% (25/41) in Group A and 29% (13/45) in Group B. The mean values of P-POSSUM morbidity (A=70.5% vs. B=34.3%; p=0.001), P-POSSUM mortality (A=13.6% vs. B=2.4%; p=0.001) and CR-POSSUM mortality (A=15.1% vs. B=4.9%; p=0.001) were significantly lower in the Group B patients than in the Group A patients., Conclusions: Bridge to surgery strategy reduces the surgical risks in LCCO, and P-POSSUM and CR-POSSUM scores represent a good tool for comparing the two strategies., (Copyright © 2012 Editrice Gastroenterologica Italiana S.r.l. Published by Elsevier Ltd. All rights reserved.)

Background: Measurement of the severity of dyspepsia symptoms before and after treatment and determining what is a significant change is a major problem in designing dyspepsia treatment studies., Objectives: To assess the reproducibility, validity and responsiveness to treatment of a dyspepsia questionnaire to be used in clinical and population-based studies., Methods: Seventy-three dyspeptic patients (35 male, 38 female; mean age 52 years) and 75 healthy volunteers (32 male, 43 female; mean age 52 years) were included. Subjects were interviewed for the presence/absence and severity/frequency of 19 gastrointestinal symptoms. Severity was measured on a 5-point scale. Frequency was also recorded on a 5-point scale. A global symptom index (severity x frequency) was calculated for the eight most severe symptoms; a mean global symptom index (8-MGSI) was considered for the evaluation of the instrument. To evaluate intra-observer variation, one author interviewed subjects (T0) and then repeated the interview 1 week later (T1). For inter-observer variation, two authors interviewed patients. VALIDITY was measured by comparing 8-MGSI of the dyspepsia patients to those of healthy volunteers. Responsiveness was assessed by comparing mean global symptom index before and 1 month after appropriate therapy., Results: Reproducibility: The mean 8-MGSI was 4.5 at T0 and 3.7 at T1 with a correlation coefficient of 0.62. As for inter-observer variation, the average 8-MGSI was 4.8 by the first author and 3.9 by the second with a correlation coefficient of 0.60., Validity: The mean 8-MGSI was, respectively, 1.4 in healthy volunteers and 4.8 in dyspeptic patients (p = 0.001). Responsiveness: After treatment, a significant improvement in 8-MGSI was detected (p = 0.001)., Conclusions: This questionnaire is a reliable, valid and responsive instrument for measuring the presence, severity and frequency of dyspepsia.

The management of Helicobacter pylori infection is still surrounded by controversy and uncertainties. Indications and correct application of current regimens for Helicobacter pylori infection are still considered a matter of debate. Regarding indications, only peptic ulcer and mucosa associated lymphoid tissue lymphoma are considered clear indications for treatment. In other conditions, such as atrophic gastritis, post gastric cancer resection, first-degree relatives of gastric cancer patients, dyspeptic patients, patients with gastro-oesophageal reflux disease and non-steroidal anti-inflammatory drug users, the value of Helicobacter pylori eradication is still controversial. The regimens for first-line and second-line treatment of Helicobacter pylori infection have been recommended by the Maastricht 2 Consensus Report. Although all the treatments are considered to be effective, physicians still do not agree on what first-line regimen should be used. Furthermore, a consensus on the duration of the antibiotic treatment is still lacking, although Maastricht guidelines for treatment of Helicobacter pylori infection recommend a one-week therapy. Also regimens, as a third-line treatment, and methods to improve compliance and clinical outcome are still a matter of debate. All these points will be considered in the present review