Publications by authors named "Repici A"

Background: Many patients diagnosed with gastro-oesophageal reflux disease (GERD) have persistent symptoms despite proton pump inhibitor (PPI) therapy.

Aims: The aim of this consensus is to provide evidence-based statements to guide clinicians caring for patients with refractory reflux-like symptoms (rRLS) or refractory GERD.

Methods: This consensus was developed by the International Working Group for the Classification of Oesophagitis.

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One of the most used chemotherapy agents in clinical practice is 5-Fluorouracil (5-FU), a fluorinated pyrimidine in the category of antimetabolite agents. 5-FU is used to treat a variety of cancers, including colon, breast, pancreatic, and stomach cancers, and its efficacy lies in its direct impact on the patient's DNA and RNA. Specifically, its mechanism blocks the enzymes thymidylate synthetase and uracil phosphatase, inhibiting the synthesis of uracil, which cannot be incorporated into nuclear and cytoplasmic RNA.

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Background And Aims: The quality of a colonoscopy is heavily reliant on the effectiveness of bowel cleansing. Various cleansing solutions are currently available, but their comparative efficacy remains uncertain. This systematic review and network meta-analysis aims to compare the performance of different bowel preparations for colonoscopy.

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Objective: Ampullary neoplastic lesions can be resected by endoscopic papillectomy (EP) or transduodenal surgical ampullectomy (TSA) while pancreaticoduodenectomy is reserved for more advanced lesions. We present the largest retrospective comparative study analysing EP and TSA.

Design: Of all patients in the database, lesions with prior interventions, benign histology advanced malignancy (T2 and more), patients with hereditary syndromes and those undergoing pancreatoduodenectomy were excluded.

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Spinal cord injury (SCI) leads to severe and lasting impairments in motor and sensory functions. The intense inflammatory response following SCI is a significant challenge, and autophagy has emerged as a key factor in the recovery process. The C-C chemokine receptor type 1 (CCR1), a G-protein coupled receptor, plays a crucial role in managing the chemokine response under stress.

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Article Synopsis
  • The study focuses on the need for an objective method to evaluate and compare different computer-aided detection (CADe) algorithms used in colorectal cancer screening, as their performance varies and no standard exists.
  • A modified Delphi approach was employed, where 25 experts generated and prioritized scoring criteria over eight months, ultimately identifying six key metrics, including sensitivity and adenoma detection rate.
  • The resulting criteria aim to guide the development and improvement of CADe software, with future research suggested to validate these metrics on benchmark video datasets.
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Background & Aims: A significant number of post fecal immunochemical test (FIT) colonoscopies in European-organized colorectal cancer (CRC) screening programs are performed beyond the recommended 31-day threshold due to overburdened colonoscopy services. We aimed to develop a simple predictive model to stratify CRC risk of FIT+ patients.

Methods: In a cohort of screenees undergoing colonoscopy following a positive (≥20 μg hemoglobin/g feces) OC-sensor FIT result between 2004 and 2019, we derived and validated logistic regression-based models including variables independently associated with CRC and advanced neoplasms.

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Article Synopsis
  • The study focuses on developing guidelines for the safe use of fluoroscopy in gastrointestinal endoscopy, balancing its benefits with concerns about radiation exposure to patients and healthcare workers.
  • A modified Delphi method was used, involving three rounds of surveys with 46 experts, resulting in 43 proposed statements, of which 31 achieved consensus and were prioritized across various categories such as Patient Safety and Staff Safety.
  • The final consensus statements highlight the importance of education and safety measures, with a significant majority rated as high priority, aiming to enhance safety culture in healthcare settings while utilizing fluoroscopy.
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  • This review discusses the impact of artificial intelligence (AI) on gastrointestinal endoscopy, especially in identifying colorectal polyps.
  • AI systems, like computer-aided diagnosis for detection (CADe) and characterization (CADx), have improved polyp detection rates and helped differentiate between types of polyps, enhancing diagnostic accuracy.
  • The study emphasizes that while AI greatly aids endoscopists, it should complement human skills rather than replace them, ensuring human oversight in clinical decision-making.
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  • - The study evaluated the safety and effectiveness of PuraStat, a topical hemostatic agent, for treating active gastrointestinal bleeding and preventing bleeding in patients undergoing endoscopic procedures.
  • - Data from 401 patients across ten Italian centers showed PuraStat achieved hemostasis in nearly all cases of active bleeding (98.9%) and had a low follow-up bleeding rate (3.9%) for preventive uses.
  • - No adverse events related to PuraStat were reported, indicating it is a safe option that could be used for broader applications than currently recommended.
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  • Videocapsule endoscopy (VCE) can aid in diagnosing celiac disease (CD) when initial tests are inconclusive and can also be useful in monitoring complex cases.
  • A review of studies showed 186 patients underwent VCE for diagnosis, while 1,337 patients were followed up, highlighting its role in cases with negative serology or persistent symptoms.
  • The findings indicated VCE is effective in identifying complications like refractory CD, but more research is needed for definitive conclusions about its overall utility in CD management.
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: Subepithelial lesions (SELs) of the gastrointestinal (GI) tract present a diagnostic challenge due to their heterogeneous nature and varied clinical manifestations. Usually, SELs are small and asymptomatic; generally discovered during routine endoscopy or radiological examinations. Currently, endoscopic ultrasound (EUS) is the best tool to characterize gastric SELs.

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The endoscopic resection of gastrointestinal tract lesions embraces different types of techniques, ranging from conventional polypectomy/endoscopic mucosal resection (EMR) to the field of third-space endoscopy, including endoscopic submucosal dissection (ESD), full-thickness resection and peroral endoscopic myotomy (POEM). Parallelly, the advent of underwater techniques has served as an add-on for both basic and advanced procedures, since its first report in 2012. We aimed to provide a comprehensive update on the state of the art about the feasibility of underwater basic and advanced techniques for GI endoscopy.

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Article Synopsis
  • The text refers to a correction made to a previously published article.
  • The specific article mentioned can be identified by its DOI, which is 10.1055/a-2411-1814.
  • Corrections like this are common in academic publishing to address errors or inaccuracies in research.
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Background: EUS-guided gastroenterostomy (EUS-GE) is a novel and effective procedure for the management of malignant gastric outlet obstruction (GOO) with more durable results when compared to enteral stenting (ES). However, data comparing EUS-GE to ES in patients already treated with EUS-guided choledocoduodenostomy (EUS-CDS) for distal malignant biliary obstruction (DMBO) are lacking. We aimed to compare outcomes of EUS-GE and ES for the palliation of GOO in this specific population of patients.

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Article Synopsis
  • AI has the potential to improve gastrointestinal endoscopy, but standardized methods are needed for its effective adoption in clinical practice.
  • The QUAIDE Explanation and Checklist was created by a panel of 32 experts to provide guidelines for designing and reporting AI studies in this field.
  • Consensus was achieved on 18 recommendations across key areas including data collection, outcome reporting, experimental setup, and result presentation, aiming to enhance research consistency and facilitate the use of AI in clinical settings.
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  • - The study investigated outcomes of lumen-apposing metal stents (LAMS) placement in patients with surgically altered anatomy (SAA), which is not well-documented in existing literature, involving 270 patients across 25 tertiary care centers up to November 2023.
  • - Technical success of the procedures was very high at 98%, with clinical success at 97%, although there was a notable adverse event rate of 12%, with various degrees of severity recorded.
  • - The results suggest that while LAMS placement in SAA is effective, due to the risk of complications, these procedures should only be performed by experienced endoscopists in specialized centers.
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  • - The study systematically reviewed and analyzed environmental factors linked to gallbladder cancer (GBC), the most common type of cancer in the biliary tract, to assess not just the known risks like cholelithiasis, but also other modifiable exposures.
  • - Researchers conducted a meta-analysis on data from 215 studies, revealing significant links between GBC risk and factors like body mass index, obesity, infections of bile ducts, and high parity, while higher education was associated with lower risk.
  • - The findings emphasize the mixed credibility of many associations, with certain lifestyle and exposure factors showing varying levels of evidence strength and importance for GBC prevention.
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