Publications by authors named "Grant Caddy"

Background: Device-assisted enteroscopy (DAE) has become a well-established diagnostic and therapeutic tool for the management of small-bowel pathology. We aimed to evaluate the performance measures for DAE across the UK against the quality benchmarks proposed by the European Society of Gastrointestinal Endoscopy (ESGE).

Methods: We retrospectively collected data on patient demographics and DAE performance measures from electronic endoscopy records of consecutive patients who underwent DAE for diagnostic and therapeutic purposes across 12 enteroscopy centers in the UK between January 2017 and December 2022.

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 Despite the high-risk nature of endoscopic retrograde cholangiopancreatography (ERCP), a robust and standardized credentialing process to ensure competency before independent practice is lacking worldwide. On behalf of the Joint Advisory Group (JAG), we aimed to develop evidence-based recommendations to form the framework of ERCP training and certification in the UK.  Under the oversight of the JAG, a modified Delphi process was conducted with stakeholder representation from the British Society of Gastroenterology, Association of Upper Gastrointestinal Surgeons, trainees and trainers.

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Over a 6-month period, a 69-year-old woman presented with recurrent symptomatic anaemia, melaena and haematochezia. Extensive investigations were carried out, including CT of the abdomen and pelvis, oesophagogastroduodenoscopy, colonoscopy, two capsule endoscopies and two CT angiograms. The lack of active bleeding at the time of both CT angiograms meant a diagnosis was only made following retrospective examination of images by interventional radiology once fresh ampullary bleeding was identified on capsule endoscopy.

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Crohn's disease (CD) is a chronic inflammatory condition of the gastrointestinal tract resulting in inflammation, stricturing and fistulae secondary to transmural inflammation. Diagnosis relies on clinical history, abnormal laboratory parameters, characteristic radiologic and endoscopic changes within the gastrointestinal tract and most importantly a supportive histology. The article is intended mainly for the general gastroenterologist and for other interested physicians.

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We report the case of a patient presenting with malaena and anaemia secondary to a metastatic phyllodes tumour of the breast. This is an unusual clinical presentation from a breast tumour that rarely metastasise.

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Background: Nicorandil is widely accepted in the therapeutic armamentarium of ischemic heart disease and, although nicorandil-induced oral and anal ulcerations have been established in the literature, only five cases have reported the possibility of nicorandil-induced ulceration elsewhere in the gastrointestinal tract. There have been recent case reports which have suggested the possible causative association between nicorandil and colonic ulceration, either in isolation or in combination with anal ulceration.

Methods: We report a case series of eight patients prescribed with nicorandil therapy presenting with gastrointestinal symptoms and subsequently diagnosed with colonic ulceration on colonoscopy.

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Background: Infliximab is a monoclonal antibody used in the treatment of inflammatory bowel disease (IBD). The manufacturer-recommended administration is over 2 hours followed by 2 hours of patient observation. The data relating to adverse outcomes in patients receiving accelerated infusions for IBD are limited.

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Herpes simplex esophagitis (HSE) is well documented in immunosuppressed patients. However, it is rare in the immunocompetent host. We present a case of HSE in a 21 year-old healthy lady who was admitted to our unit with dysphagia, odynophagia and chest pain.

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Endoscopic ultrasound (EUS) has been developed since the early 1980s. Its clinical role in the diagnosis of gastrointestinal wall lesions and staging of gastrointestinal and lung cancer has evolved over the last two decades. Initially, it was either used as an imaging tool for gastrointestinal wall lesions or for staging of gastrointestinal tumours.

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Bile duct stones (BDS) are often suspected on history and clinical examination alone but symptoms may be variable ranging from asymptomatic to complications such as biliary colic, pancreatitis, jaundice or cholangitis. The majority of BDS can be diagnosed by transabdominal ultrasound, computed tomography, endoscopic ultrasound or magnetic resonance cholangiography prior to endoscopic or laparoscopic removal. Approximately 90% of BDS can be removed following endoscopic retrograde cholangiography (ERC)+sphincterotomy.

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Background: Video capsule endoscopy (VCE) will fail to reach the cecum in 20% of patients within the 8-hour battery life. The use of prokinetics to improve VCE completion rates to the cecum remains unclear. The objective of this study was to determine whether erythromycin increases the completion rate of VCE to the cecum without adversely affecting image quality.

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Background: Coeliac disease is a common chronic inflammatory enteropathy characterized by villous atrophy and crypt hyperplasia in the small intestine. The mechanism of the intestinal damage in coeliac disease remains unclear. Glucagon-like peptide (GLP)-2 is an enterotrophic peptide that causes crypt hyperplasia and intestinal cell proliferation.

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Background: Studies on the clinical impact of EUS are lacking. The aim of this study was to examine the impact of EUS on the management plans by referring doctors and patient outcomes.

Methods: Consecutive patients undergoing EUS between August 2002 and June 2004 were prospectively studied.

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