Publications by authors named "Simon Phillpotts"

Background:  Digital single-operator cholangioscopy (dSOC) has improved the diagnostic accuracy of indeterminate biliary duct strictures (IBDS) through targeted intraductal biopsy sampling. However, the optimal biopsy technique remains uncertain.

Methods:  This international, multicenter, prospective interventional study (November 2020-August 2022) included patients with IBDS undergoing dSOC.

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Background: Stent selection in the endoscopic management of post-liver-transplant anastomotic biliary strictures remains controversial. This systematic review and meta-analysis aimed to evaluate the potential differences between available stents.

Methods: MEDLINE, Cochrane, and Scopus databases were searched until April 2023 for comparative studies evaluating stricture management using multiple plastic stents (MPS) and self-expandable metal stents (SEMS), including fully-covered (FC)- and intraductal (ID)-SEMS.

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Article Synopsis
  • Percutaneous cholangioscopy (PerC) is a technique used to access difficult-to-treat biliary issues, and this study assessed its effectiveness through a systematic review and meta-analysis of 14 studies involving 682 patients.* -
  • The analysis found that PerC had a high diagnostic success rate of 98.7% and a therapeutic success rate of 88.6%, while the complication rate was recorded at 17.1%, mostly consisting of minor adverse events.* -
  • The modern Spyglass cholangioscope showed better therapeutic success compared to older models, demonstrating that current technologies significantly improve outcomes for patients undergoing this procedure.*
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The characteristics of difficult stones requiring cholangioscopy-assisted lithotripsy are poorly defined. We sought to determine clinician perception of these characteristics and decision-making in biliary endoscopy. One hundred twenty-four delegates attending an online course were invited to assess 20 clinical stone cases.

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Objectives: A new short device for percutaneous endoscopic cholangioscopy was recently developed. However, feasibility and safety has not yet been evaluated. The aim of this study was to assess clinical success, technical success, and adverse events (AEs).

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Background: Pancreatic cystic lesions (PCL) represent an increasingly diagnosed condition with significant burden to patients' lives and medical resources. Endoscopic ultrasound (EUS) ablation techniques have been utilized to treat focal pancreatic lesions. This systematic review with meta-analysis aims to assess the efficacy of EUS ablation on PCL in terms of complete or partial response and safety.

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Article Synopsis
  • Researchers studied how well special metal tubes called IDSEMS work to help people who had liver transplants and are having trouble with their bile ducts.
  • They looked at data from 162 patients treated across nine hospitals in the UK, focusing on how the patients responded to the treatment over time.
  • The findings showed that most patients (81%) had their problems completely fixed, but some had issues again after the treatment ended, and a few experienced complications like infections.
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Complex biliary stones may be challenging to remove with standard endoscopic techniques. Factors contributing to complexity include large stone size (≥15 mm), multiple stones, high stone:distal duct ratio, stones above strictures and those in difficult anatomic position. In these cases, additional techniques may be needed, such as endoscopic papillary large balloon dilatation, mechanical lithotripsy, cholangioscopic visually directed lithotripsy, and extracorporeal shockwave lithotripsy.

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Glucose-6-phosphate dehydrogenase (G6PD) deficiency is the commonest human enzyme defect causing haemolytic anaemia after exposure to specific triggers. Paracetamol-induced haemolysis in G6PD deficiency is a rare complication and mostly reported in children. We report the first case (to the best of our knowledge) of acute jaundice without overt clinical features of a haemolytic crisis, in an otherwise healthy adult female following paracetamol overdose, due to previously undiagnosed G6PD deficiency.

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