Publications by authors named "Franck Brazier"

Background: The development of noninvasive markers to assess mucosal healing in ulcerative colitis (UC) is essential in the treat-to-target era. The aim of this study was to evaluate the performance of intestinal ultrasound (IUS), fecal calprotectin (FC), and their combination to assess mucosal healing in UC patients.

Methods: All consecutive patients between January 2021 and September 2022 with UC who underwent a complete colonoscopy and IUS and/or an FC test within 4 weeks were included in a prospective cohort.

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Introduction: Endoscopy is still the gold, standard for assessing disease activity in Crohn's disease (CD). Its invasiveness, poor acceptability, and cost limit its use in the era of tight control and treat-to-target management. Fecal calprotectin (FC) and intestinal ultrasound (IUS) are non-invasive alternatives to colonoscopy to assess disease activity.

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Introduction: There is debate over the impact of residual microscopic disease after ileocecal resection in Crohn's disease (CD) to predict recurrence. We conducted a meta-analysis to evaluate the impact of positive histological margins and plexitis after ileocecal resection on the risk of postoperative recurrence.

Methods: Using a systematic search, we identified.

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Background: Endoscopy is the gold standard for the treatment of postoperative gastric leaks (GL). Large fistulas are associated with high rate of treatment failure. The objective of this study was to assess the clinical efficacy of a combining technique using a covered stent (CS) crossing through pigtails (PDs) for large postsurgical GL leaks.

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Article Synopsis
  • Patients with chronic inflammatory diseases like IBD have a higher risk of colorectal cancer, primarily adenocarcinomas, but leiomyosarcomas are very rare.
  • A case study highlights a 40-year-old woman with ulcerative colitis who developed a 2cm malignant tumor infiltrating the rectal wall.
  • The tumor showed specific cellular characteristics and further studies include a review of 5 similar cases linked to Crohn's disease and ulcerative colitis from existing literature.
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Introduction: Crohn's disease (CD) has a significant impact on health status and quality of life, affecting physical and emotional well-being and impairing social and functional abilities. In the era of the treat-to-target concept, endoscopic healing has emerged as the goal to achieve to prevent intestinal damage and disability. It is not clear what level of endoscopic healing is associated with lower disability.

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Crohn's disease is a chronic inflammatory bowel disease that affects various intestinal segments and can involve the perianal region. Although anti-tumor necrosis factor (TNF) agents have revolutionized the management of Crohn's disease and improved the prognosis for patients with perianal Crohn's disease (pCD), their long-term effectiveness is limited: over 60% of patients relapse after one year of maintenance therapy. In recent years, significant advances have been made in the treatment of complex perianal fistulas after anti-TNF failure.

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Article Synopsis
  • Endoscopic treatment for enterocutaneous fistulas in Crohn's disease shows promise, with a short-term clinical success rate of 75% in this study of 8 patients.
  • Most patients had fistulas located at ileocolonic or colocolonic anastomoses, with various endoscopic techniques successfully applied.
  • Limitations include the small sample size and retrospective design, suggesting further research is necessary to validate the findings.
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  • Management of colorectal stricture in inflammatory bowel disease (IBD) is complex due to potential neoplastic issues that aren't ruled out even with negative biopsies.
  • Surgery is the primary treatment for strictures but carries significant risks, while recent advances in biologics and therapeutic endoscopy have not been well studied for this specific issue.
  • A literature review has been conducted to improve decision-making regarding the understanding and treatment of colonic strictures in IBD, given the lack of solid evidence in current therapeutic strategies.
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Background: Gastric leak (GL) is the most highly feared early postoperative complication after sleeve gastrectomy (SG), with an incidence of 1% to 2%. This complication may require further surgery/endoscopy, with a risk of management failure that may require additional surgery, including total gastrectomy, leading to a risk of mortality of 0% to 9%.

Objectives: Assess the impact of factors that may lead to a poorer evolution of GL.

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Introduction: While endoscopic balloon dilation (EBD) is widely used to manage ileal strictures, EBD of colorectal strictures remains poorly investigated in Crohn's disease (CD).

Methods: We performed a retrospective study that included all consecutive CD patients who underwent EBD for native or anastomotic colorectal strictures in 9 tertiary centers between 1999 and 2018. Factors associated with EBD failure were also investigated by logistic regression.

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Introduction: Surgical resection is not curative in Crohn's disease (CD) and, recurrence after surgery is a common situation. The identification of patients at high risk of recurrence remains disappointing in clinical practice.

Objective: To evaluate the impact of residual microscopic disease on margins on the risk of recurrence after ileocaecal resection in CD.

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Introduction: The approved maintenance regimens for ustekinumab in Crohn's disease (CD) are 90 mg every 8 or 12 weeks. Some patients will partially respond to ustekinumab or will experience a secondary loss of response. It remains poorly known if these patients may benefit from shortening the interval between injections.

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Purpose: To demonstrate the feasibility and safety of PTE-RV performed in a single session.

Materials And Methods: This is a retrospective review of a prospective database on ERCP between January 2014 and December 2018. PTE-RV was performed in case of second ERCP failure.

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Background & Aims: There is debate over whether patients with inflammatory bowel diseases (IBD) treated with biologics that are not tumor necrosis factor antagonists (such as vedolizumab or ustekinumab) should receive concomitant treatment with immunomodulators. We conducted a meta-analysis to compare the efficacy and safety of concomitant immunomodulator therapy vs vedolizumab or ustekinumab monotherapy.

Methods: In a systematic search of publications, through July 31, 2019, we identified 33 studies (6 randomized controlled trials and 27 cohort studies) of patients with IBD treated with vedolizumab or ustekinumab.

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Introduction: Most anal fistulas are crypto-glandular. Nevertheless, anal fistulas can reveal Crohn's disease (CD). The aim of our study was to evaluate the risk of developing CD in patients undergoing surgery for anal fistula.

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Background & Aims: Mucosal healing (MH) has been associated with good outcomes of patients with Crohn's disease (CD). It is not clear what levels of endoscopic healing, based on CD endoscopic index score (CDEIS), associate with different courses of disease progression. We assessed long-term outcomes of patients with CD according to different levels of MH.

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Objectives: Data on long-term natural history of microscopic colitis (MC), including collagenous (CC) and lymphocytic colitis (LC), are lacking.

Methods: All new cases of MC diagnosed in the Somme area, France, between January 1, 2005, and December 31, 2007, were prospectively included. Colonic biopsies from all patients were reviewed by a group of 4 gastrointestinal pathologist experts to assess the diagnosis of CC or LC.

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Introduction: Up to 25% of patients treated with infliximab experience hypersensitivity reactions. Prophylactic premedication prior to infliximab infusion, comprising corticosteroids and/or antihistamines, is widely used in clinical practice but its efficacy has recently been called into question due to the lack of pathophysiological rationale and validation by controlled trials.

Materials And Methods: We conducted a comprehensive literature search of multiple electronic databases from inception to June 2017 to identify studies reporting the impact of corticosteroid and/or antihistamine premedication on the risk of acute (<24 h) hypersensitivity reaction to infliximab in immune-mediated inflammatory diseases (IMIDs).

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