Publications by authors named "Pier A Testoni"

This review aims to summarize the role of endoscopic therapy in the management and outcomes of recurrent acute pancreatitis (RAP). RAP is a clinical entity characterized by repeated episodes of acute pancreatitis in the setting of a normal gland or chronic pancreatitis (CP). The aetiology of RAP can be identified in about 70% of cases; for the remaining cases, the term "idiopathic" (IRAP) is used.

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Background/aims: Decrease of esophageal mean nocturnal baseline impedance reflects loss of mucosal integrity. It can predict response to anti-reflux therapy. Mean nocturnal baseline impedance after transoral incisionless fundoplication for gastroesophageal reflux disease has never been assessed.

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Objectives: We compared the efficacy and safety of transoral incisionless fundoplication (TIF) with the EsophyX2.0 and MUSE systems for treatment of gastroesophageal reflux disease (GERD).

Methods: TIF outcomes from prospective protocols (Esophy2.

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Purpose: Clinical guidelines recommend radiofrequency ablation (RFA) for eradication of Barrett esophagus in patients with low-grade dysplasia (LGD) and high-grade dysplasia (HGD), but evidence on whether RFA provides good value for money is still sparse. This study evaluates the cost-effectiveness of RFA in Italy.

Methods: A Markov model was used to estimate lifelong costs and consequences of disease progression with different treatments.

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This study tested the hypothesis that bowel preparation with mannitol should not affect the colonic concentration of H and CH . Therefore, the SATISFACTION study, an international, multicenter, randomized, parallel-group phase II-III study investigated this issue. The phase II dose-finding part of the study evaluated H , CH , and O concentrations in 179 patients randomized to treatment with 50 g, 100 g, or 150 g mannitol.

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Background: A relevant number of adenomas can be missed during colonoscopy.

Aims: Assess the current status of colonoscopy procedures in Italian centers.

Methods: A prospective observational study involving 17 hospitals (34 endoscopists) included consecutive patients undergoing standard colonoscopy.

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Article Synopsis
  • A study compared the effectiveness of four biologic drugs—adalimumab, infliximab biosimilar, golimumab, and vedolizumab—used to treat ulcerative colitis (UC) in Italy, focusing on achieving continuous clinical remission (CCR).
  • Researchers analyzed data from 416 UC patients treated from 2014 to 2019, measuring success based on a strict CCR definition over one year.
  • Results showed similar CCR rates among the four drugs, with vedolizumab proving more effective for patients who had previously failed anti-TNFα treatments, while safety profiles were comparable across all drugs.
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Background: Transoral incisionless fundoplication (TIF) with Medigus Ultrasonic Surgical Endostapler (MUSE) is a new intervention for treatment of gastro-esophageal reflux disease (GERD). We aimed at assessing the clinical, functional, and endoscopic effects of TIF by MUSE.

Methods: Forty-six patients underwent TIF.

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Gastroparesis is a chronic functional disorder characterized by severe symptoms and objective documentation of delayed gastric emptying, in the absence of any mechanical obstruction. The pathogenesis of gastroparesis comprises abnormalities of gastric motility (corpus and fundus dysmotility and antral hypomotility), pyloric resistance to gastric outflow (pyloric lower compliance or hypertone), and lack of antroduodenal motor coordination. Several conditions have been correlated to gastroparesis: diabetes, post-surgical sequelae, medications, neurological/muscular disorders and collagen vascular diseases.

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Few reports exist about long-term outcomes of transoral incisionless fundoplication (TIF) for treating refractory gastro-esophageal reflux disease (GERD). A literature search of four major scientific databases was performed up to May 2020 for studies reporting on more than 3-year outcomes of TIF. Data on atient satisfaction, proton pump inhibitor (PPI) daily consumption, PPI use reduction, GERD health-related quality-of-life (GERD-HRQL) score, and normalization of heartburn and regurgitation scores were pooled and summarized with forest plots.

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Article Synopsis
  • Early-onset colorectal cancer (eoCRC) is becoming more common, particularly in patients diagnosed before age 50, prompting a study to compare it with late-onset colorectal cancer (loCRC).
  • The research involved analyzing clinical features, such as age, history, and symptoms, from 54 eoCRC patients and 494 loCRC patients to identify risk factors and differences.
  • Results revealed that eoCRC patients had significantly longer delays in diagnosis, with factors like family history playing a critical role in eoCRC risk, while lifestyle factors such as smoking and alcohol consumption were not linked to eoCRC.
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  • The survey aimed to evaluate infection control practices and outcomes in Digestive Endoscopy Units in Lombardy, a region severely affected by COVID-19.
  • Most participating centers adapted their operations in line with recommendations, with a majority having necessary protective gear, but few had negative-pressure rooms.
  • Higher COVID-19 rates were observed among endoscopists and nurses, indicating significant risks of viral spread in endoscopy settings, despite overall good adherence to safety guidelines.
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Background: The role of microbiota in Lynch syndrome (LS) is still under debate. We compared oral and fecal microbiota of LS saliva and stool samples with normal healthy controls (NHC).

Methods: Total DNA was purified from feces and saliva to amplify the V3-V4 region of the 16s rRNA gene.

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Background: Transoral incisionless fundoplication (TIF) with the Medigus ultrasonic surgical endostapler (MUSE) is a new intervention for the treatment of the gastroesophageal reflux disease (GERD). The aim of this study was to assess the 12-month clinical, functional, and endoscopic effects of TIF by MUSE.

Methods: Patients undergoing MUSE completed the GERD-Health Related Quality of Life (GERD-HRQL) and Reflux Symptom Index (RSI) questionnaires, and underwent endoscopy, esophageal 24-hour pH-impedance recording, and high resolution manometry (HRM) before the TIF procedure and 12 months later, or after 6 months for HRM.

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Article Synopsis
  • IPEX syndrome is a severe autoimmune disease caused by mutations in the FOXP3 gene, which is essential for the proper function of regulatory T cells (Treg), leading to a lack of immune regulation.
  • The primary treatment for IPEX patients is hematopoietic stem cell transplantation, but if unavailable, other immunosuppressive therapies have been less effective, though rapamycin shows promise in preserving Treg function while suppressing harmful immune responses.
  • Research on six IPEX patients revealed that rapamycin treatment led to improved Treg cell function and clinical outcomes, highlighting increased expression of specific proteins associated with Treg activity, which could help develop better therapies for the disease.
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Objectives: Lynch syndrome is characterized by pathogenetic variants in the mismatch repair genes and autosomal dominant inheritance with incomplete penetrance. Lynch syndrome is characterized by colorectal and, with lesser and variable extent, extracolonic cancers. We describe a family with MSH6-dependent Lynch syndrome and familial pancreatic cancer and other tumours (gastric and endometrial), in the absence of colorectal neoplasia.

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 With common bile duct (CBD) stones, access to the CBD can be achieved through the papilla orifice followed by standard biliary sphincterotomy (SBS), or through precut fistulotomy (PF) in case of difficult cannulation. The two methods alter papilla anatomy differently, potentially leading to a different rate of stone recurrence. No data have been published on stone recurrence after PF in patients with CBD stones.

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 Placement of a fully-covered self-expanding metal stent (FC-SEMS) is a valid alternative for benign and malignant colorectal strictures treatment. Despite the reportedly high technical success rate, stenting is still challenging, due to high rates of adverse events. Migration still represents the main issue, although several anti-migration systems have been proposed.

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 Transoral incisionless fundoplication with EsophyX is reported to be effective in patients with gastroesophageal reflux disease in short-medium term follow-up.  To examine clinical outcomes up to 10 years.  In total, 51 procedures were performed in 50 patients.

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Background: Prospective studies about endoscopic retrograde cholangio-pancreatography (ERCP) in a community setting are rare.

Aim: To assess success and complication rates of routinely-performed ERCP in a regional setting, and the priority quality indicators for ERCP practice.

Methods: Prospective region wide observational study on consecutive patients undergoing ERCP during a 6-month period.

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