“…A few observers have suggested that maintaining hydration promotes comfort by preventing delirium, 25 but most clinicians find that, on balance, hydration without nutrition causes discomfort, because it prolongs the process of dying and increases the production of urine and sputum. 26 Not only do gastrostomy tubes fail to prevent suffering, they may actually cause it. The percutaneous insertion of a gastrostomy tube, the most common method used, requires upper endoscopy, an incision in the abdominal wall, and intravenous sedation.…”