Publications by authors named "Claudio Cassieri"

Article Synopsis
  • Infliximab and adalimumab are both commonly used medications for treating Crohn's disease and ulcerative colitis, and this study aimed to evaluate their long-term effectiveness and safety in real-life clinical settings.
  • A total of 712 patients were reviewed, showing that both treatments maintained clinical remission similarly in Crohn's disease, but infliximab showed better results for ulcerative colitis.
  • Adalimumab had a significantly lower rate of adverse events compared to infliximab, making it a potentially safer option for patients.
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In this session different problems regarding the pathogenesis of diverticular disease were considered, including "Genetics", "Neuromuscular function abnormalities", "Patterns of mucosa inflammation", and "Impact of lifestyle". The patients affected by diverticular disease have clear genetic pattern, that might predispose to the occurrence of the disease as well as to its complications. Neuromuscular abnormalities may be recognized already at the stage of diverticulosis, and inflammation may explain symptoms occurrence in symptomatic uncomplicated diverticular disease (SUDD) or symptoms persistence after an episode of acute diverticulitis.

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Symptomatic Uncomplicated Diverticular Disease (SUDD) is the most common clinical form of Diverticular Disease (DD). The therapy should be aimed at reducing both the intensity and frequency of symptoms as well as preventing complications. The pharmacological treatments include fibers, not absorbable antibiotics (for example rifaximin), anti-inflammatory drugs (for example 5-amino-salycilic acid) and probiotics, alone or in combination with other drugs.

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Background And Aims: The Diverticular Inflammation and Complication Assessment (DICA) endoscopic classification of diverticulosis and diverticular disease (DD) is currently available. It scores severity of the disease as DICA 1, DICA 2 and DICA 3. Our aim was to assess the agreement on this classification in an international endoscopists community setting.

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Background And Aim: Although rifaximin and mesalazine seem to be effective in treating the majority of people suffering from diverticular disease (DD), some patients still experience symptoms following those treatments. The aim of this study was to assess the efficacy of budesonide MMXTM in managing symptoms and raised fecal calprotectin (FC) in patients with endoscopic diagnosis of DD and not responding to standard treatments.

Methods: We performed a post-hoc analysis of the patients enrolled in the DICA prospective study.

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The statements produced by the Chairmen and Speakers of the 3rd International Symposium on Diverticular Disease, held in Madrid on April 11th-13th 2019, are reported. Topics such as current and evolving concepts on the pathogenesis, the course of the disease, the news in diagnosing, hot topics in medical and surgical treatments, and finally, critical issues on the disease were reviewed by the Chairmen who proposed 39 statements graded according to level of evidence and strength of recommendation. Each topic was explored focusing on the more relevant clinical questions.

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Background: Our aims were to assess the real life effectiveness and safety of the new bismuth-containing quadruple therapy in a large population of patients infected by Helicobacter pylori.

Methods: Consecutive dyspeptic H. pylori-positive patients were enrolled, both naïve for treatment and already unsuccessfully treated.

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Background/aims: In patients with colon cancer who undergo resection for potential cure, 40-60% have advanced locoregional disease (stage III). Those who are suitable for adjuvant treatment had a definite disease-free-survival benefit. The aim of the present study was to demonstrate whether the presence of desmoplasia influenced the mortality rate of stage III colorectal cancer (CRC) within 5 years from the surgery and adjuvant therapy.

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The segmental colitis associated with diverticulosis," better known by its acronym "SCAD," is a chronic inflammatory process localized in the colonic area presenting diverticulosis, and therefore mainly in the sigmoid colon. By definition, both the rectum and the right colon are spared from any inflammation both endoscopically and from a histologic point of view. Recent data have hypothesized that SCAD may be an independent clinical entity within the inflammatory bowel disease set of diseases.

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Background: Diverticulosis of the colon is an acquired condition that results from herniation of the mucosa and submucosa through defects in the muscular layer. The true prevalence of colonic diverticulosis is difficult to measure because most individuals are asymptomatic. In particularly, in literature, there are few studies about the prevalence of colonic diverticulosis in patients affected by ulcerative colitis (UC).

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Article Synopsis
  • The DICA classification helps evaluate patients with diverticulosis and diverticular disease by predicting the risk of diverticulitis and potential need for surgery.
  • In a study of 1651 patients, it was found that higher DICA severity correlated with increased rates of diverticulitis recurrence and surgical intervention.
  • Therapy, particularly mesalazine-based treatments, showed effectiveness in preventing diverticulitis in certain DICA classifications, specifically DICA 2 patients.
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Background: Mesalazine is used as maintenance therapy in ulcerative colitis but the optimal dosage is still controversial.

Aim: To compare the remission-maintenance efficacy and tolerability of two daily doses of oral mesalazine (4.8 g and 2.

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Aim: To investigate prevalence, type and time of onset of extraintestinal manifestations (EIMs) in a series of Italian inflammatory bowel disease (IBD) patients.

Methods: Data of 811 IBD consecutive patients, first referred to our Centre from 2000 to 2011, were retrospectively evaluated.

Results: Eight hundred and eleven IBD patients (437 M, 374 F) were studied: 595 ulcerative colitis (UC) (73.

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Pouchitis is not a rare complication that develops after an ileal-pouch anastomosis, performed after colectomy in patients refractory to treatment or with complicated ulcerative colitis. This condition may become chronic and unresponsive to medical therapies, including corticosteroids, antibiotics and probiotics. The advent of biological therapies (tumor necrosis factor-α inhibitors) has changed the course of these complications.

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Schwannoma is a tumor originating from the Schwann cells. Gastrointestinal schwannomas are uncommon stromal tumors of the intestinal tract and, in particular, rectal schwannomas are extremely rare. In fact, it is well established that schwannomas appear more frequently in the stomach and in the small intestine, while location in the colon or in the rectum is uncommon.

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Background And Aim: To evaluate the expression of fatty acid synthase (FAS) in the oesophagitis-Barrett's oesophagus-oesophageal adenocarcinoma sequence compared with p53 and Ki67 expressions, retained for a long time reliable markers of oesophageal cells biological behaviour.

Methods: In Barrett's oesophagus, oesophagitis and oesophageal adenocarcinoma patients, biopsies were taken from pathologic sites of the mucosa for histological and immuno-histochemical detection of FAS, p53 and Ki67. FAS expression was positive, when a strong granular cytoplasmic staining was observed in oesophageal cells.

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Background: Colorectal cancer (CRC) metastasis is enhanced in patients with venous embolization increasing the risk of recurrence and therefore mortality rate. Several evidences indicate that stage II patients have an abrupt recurrence within five years from surgery. This fact, led us to investigate the role played by different histological variables on CRC invasiveness.

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Several forms of primary and secondary hematological malignancies were rarely observed during the clinical course of inflammatory bowel diseases (IBD). Patients needing a prolonged treatment with immunosuppressants, such as azathioprine or methotrexate, with familiarity and genetic predisposition seem to be at a higher risk of leukemia. On the other hand, asthenia, thickness, and fever may be the symptoms of the onset of each kind of hematological malignancy.

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Background And Aim: Constipation may be present in ulcerative proctitis (UP), but its pathogenesis has not yet been evaluated. The aim of this article is to investigate functional and morphologic features of the anorectal region in patients with UP and constipation.

Materials And Methods: Eleven patients with quiescent clinical, endoscopic, and histological UP and constipation and 10 patients with functional constipation (FC) underwent radiologic evaluation of intestinal transit time, anorectal manometry, and defecography.

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