Pancreatic cancer is a major cause of cancer-related mortality and is frequently diagnosed at advanced stages when surgery is no longer an option. Most patients require palliative care to manage symptoms, such as jaundice, pain, and gastric outlet obstruction (GOO). Therapeutic endoscopic options, including endoscopic ultrasound (EUS)-guided techniques, have become essential for improving quality of life. We conducted a literature review focusing on the current palliative endoscopic therapy options for advanced pancreatic cancer. Malignant biliary obstruction is primarily treated using endoscopic retrograde cholangiopancreatography. However, when this method is complex or unsuccessful, EUS-guided biliary drainage is considered a reliable and safe alternative. Irradiating stents may increase stent patency times and patient survival. EUS-guided gastroenterostomy, if technical expertise is available, is becoming the first option for GOO in patients with longer survival, with enteral stenting being preferred for patients with limited life expectancies or when the EUS option is not available. Although EUS-guided celiac plexus neurolysis and pancreatic duct drainage play a role in pain management, EUS-guided radiofrequency ablation remains under investigation. In conclusion, endoscopic and EUS-guided interventions provide safe, minimally invasive, and highly effective approaches for the palliative care of pancreatic cancer, enhancing patients’ quality of life and minimizing the need for more invasive surgical procedures.
Endoscopic ultrasonography-guided gastroenterostomy using a lumen-apposing metal stent has emerged as a novel technique in the palliative treatment of malignant gastric outlet obstruction. Endoscopic ultrasonography-guided gastroenterostomy seems to have the potential to provide long-lasting patency in a minimally invasive manner. Low reintervention rates have been described. We report two cases with early lumen-apposing metal stent dysfunction, compromising patency. One case showed food impaction after three weeks, and hyperplastic tissue overgrowth with a buried distal flange six weeks after stent placement. The latter was successfully treated by argon plasma coagulation, stent removal, and deployment of a larger-diameter lumen-apposing metal stent. The second case showed a narrowed luminal diameter of the stent and jejunal pressure ulcerations after three weeks. The narrowing was successfully treated by balloon dilation. Eight weeks later, hyperplastic tissue overgrowth at the distal flange of the stent and a gastro-colonic fistula were diagnosed, followed by extensive reconstructive surgery.
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Afferent loop syndrome is often difficult to resolve. Among patients with afferent loop syndrome whose data were extracted from databases, 5 patients in whom metal stent placement was attempted were included and evaluated in this study. The procedure was technically successful without any adverse events in all patients. Metal stent(s) was placed with an endoscope in the through-the-scope manner in 4 patients and via a percutaneous route in 1 patient. Obvious clinical efficacy was observed in all patients. Adverse events related to the procedure and stent occlusion during the follow-up period were not observed. Metal stent placement for malignant obstruction of the afferent loop was found to be safe and feasible.
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