Publications by authors named "Barthet Marc"

Background: This study investigates the role of functional constipation (FC) in predicting the long-term success of Gastric Per-oral Endoscopic Myotomy (G-POEM) for treating gastroparesis.

Methods: This was a retrospective observational study. Patients who underwent G-POEM between July 2015 and August 2022 with > 6-month follow-up were included.

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Background: Achieving competence in endoscopic retrograde cholangiopancreatography (ERCP) requires extensive training. Recognizing the potential of simulator-based education for safe and effective skill development, we aimed to assess whether initial training with the Boškoski-Costamagna ERCP Trainer (BCT) is beneficial compared with conventional training alone (i.e.

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Objectives: Endoscopic ultrasound-guided gastrojejunostomy (EUS-GJ) is an alternative to duodenal stenting and surgical GJ (SGGJ) in malignant gastric outlet obstruction (MGOO). European Society of Gastrointestinal Endoscopy guidelines restricted EUS-GJ for MGOO only, because of misdeployment. The aim was to evaluate its outcomes focusing on benign indications.

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Purpose: Gastric outlet obstruction (GOO) is mainly due to advanced malignant disease. GOO can be treated by surgical gastroenterostomy (SGE), endoscopic enteral stenting (EES), or endoscopic ultrasound-guided gastroenterostomy (EUS-GE) to improve the quality of life.

Methods: Between 2009 and 2022, patients undergoing SGE or EUS-GE for GOO were included at three centers.

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Article Synopsis
  • This study explores the relationship between preoperative gastric emptying scintigraphy (GES) and the success of gastric peroral endoscopic myotomy (G-POEM) in patients with gastroparesis.
  • It found that only the proximal to distal count ratio (PDCR) at 0 hours is linked to clinical success, with higher values indicating better outcomes.
  • Results suggest that patients with a PDCR0 greater than 5.25 have a significantly higher chance of long-term success after G-POEM, highlighting its importance in assessing candidates for the procedure.
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Article Synopsis
  • - This guideline from ASGE and ESGE outlines evidence-based recommendations about endoscopic bariatric and metabolic therapies (EBMTs) for managing obesity, focusing on their efficacy and safety.
  • - It uses the GRADE framework to assess EBMT devices and procedures that have received CE mark or FDA approval, including those approved within the last five years.
  • - The guidelines recommend EBMTs combined with lifestyle changes for patients with a BMI of ≥30 kg/m² or between 27.0-29.9 kg/m² with at least one obesity-related health issue, specifically suggesting intragastric balloons and endoscopic gastric remodeling devices.
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This joint ASGE-ESGE guideline provides an evidence-based summary and recommendations regarding the role of endoscopic bariatric and metabolic therapies (EBMTs) in the management of obesity. The document was developed using the Grading of Recommendations, Assessment, Development and Evaluation (GRADE) framework. It evaluates the efficacy and safety of EBMT devices and procedures that currently have CE mark or FDA-clearance/approval, or that had been approved within five years of document development.

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Introduction: The prevalence of esophageal motor disorders (EMD) in PPI-refractory gastroesophageal reflux disease (GERD) is substantial. However, limited data exist on their impact on the efficacy of endoscopic treatments like anti-reflux mucosectomy (ARMS). This study aimed to evaluate the influence of EMD on ARMS efficacy in patients with PPI-refractory GERD.

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Background: Complete digestive disunion due to anastomotic necrosis is considered a contraindication to endoscopic repair. However, recent publications have suggested that endoscopic treatment by insertion of a self-expandable metal stent (SEMS) is possible. The report of this patient series aims to demonstrate the use of endoscopic management in selected cases with complete digestive disunion.

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Laparoscopic sleeve gastrectomy (LSG) may lead to symptomatic mid-gastric twist in 0.1% to 4% of cases. Endoscopic balloon dilatation often fails, requiring a switch to Roux-en-Y bypass.

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Introduction: Gastric peroral endoscopic myotomy (G-POEM) is a promising technique for treating refractory gastroparesis. We present the first double-blind randomized study comparing the clinical efficacy of G-POEM versus pyloric botulinum toxin injection (BTI).

Methods: This randomized study, conducted in two expert centers, enrolled patients with refractory gastroparesis, medically managed for >6 months and confirmed by gastric emptying scintigraphy (GES), into two groups, G-POEM versus BTI, with follow-up of 1 year.

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Background/aims: The evaluation of visceral hypersensitivity and gastric accommodation in patients with gastroparesis (GP) is difficult. CT-scan gastric volumetry allows to test the distension of different regions of the stomach. We aimed to study gastric volumes and patient's sensitivity to gastric distension between in patients with GP compared to patients with GERD.

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Background: Endoscopic ultrasound (EUS)-guided gastroenterostomy (EUS-GE) is a minimally invasive therapy for patients with gastric outlet obstruction without the risks of surgical bypass and the limited long-term efficacy of enteral self-expanding metal stent placement. However, due to its novelty, there is a lack of significant data comparing long-term outcomes of patients with EUS-GE, based on the underlying disease. In this study, we compare outcomes of EUS-GE on benign versus malignant indications.

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Article Synopsis
  • Laparoscopic fundoplication can effectively treat GERD but may lead to severe swallowing difficulties in some patients (5%-10% incidence).
  • A study examined the use of peroral endoscopic myotomy (POEM) alongside valve incision to address these swallowing issues, with a focus on treatment outcomes and any complications.
  • Results showed a high success rate (96% technical, 84.6% clinical) in 26 patients, with a few cases of GERD recurrence that were manageable with medication.
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Background: Endoscopic ultrasound-guided gastroenterostomy (EUS-GE) using lumen-apposing metal stents (LAMSs) appears to be effective and safe in gastric outlet obstruction (GOO); however, the EUS-GE procedure is not standardized, with the use of assisted or direct methods still debated. The aim of this study was to compare the outcomes of EUS-GE techniques focusing on an assisted with orointestinal drain wireless endoscopic simplified technique (WEST) and the nonassisted direct technique over a guidewire (DTOG).

Method: This was a multicenter European retrospective study involving four tertiary centers.

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Article Synopsis
  • EUS-guided radiofrequency ablation (EUS-RFA) is being evaluated as a safe and effective treatment for solid and cystic pancreatic tumors in a large study with 100 patients in France.
  • The study found that while there were no deaths from the procedure, 22 adverse events occurred, primarily linked to how close the tumors were to the main pancreatic duct.
  • Overall, the treatment showed promising results with 60.2% of patients achieving complete tumor response, particularly effective for smaller neuroendocrine neoplasms.
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Dysphagia in children is a relatively frequent symptom in childhood, and the main causes are congenital and linked to ear-nose-throat etiologies. However, non-congenital esophageal dysphagia is less common, and the main cause in such cases is eosinophilic esophagitis (EoE). When there is no response to a well-conducted treatment, with normalization of histology, the diagnosis of EoE must then be reconsidered.

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EUS-guided intra-tumoral therapies.

Best Pract Res Clin Gastroenterol

December 2022

EUS-guided treatments for focal tumor lesions has been developed since 20 years using at onset of the technique mainly local and guided alcohol injection [1-4]. Pancreatic tumors are the most assessed targeted lesions for EUS treatment because of their accessibility and because EUS management could be a safe alternative to surgery. More and more pancreatic tumors are discovered mainly fortuitously due to the advances in conventional imaging (abdominal ultrasound, CT, MRI) resulting in the question of surgical management of an asymptomatic pancreatic lesion ("incidentaloma") [5-8].

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