Gastric residual volume (GRV) checks increase enteral access device (EAD) clogging even when a 10-mL water flush is provided before and after GRV check.1

Acidic environments reportedly promote coagulation of protein formulas.2

1. Powell KS, Marcuard SP, Farrior ES, et al. Aspirating gastric residuals causes occlusion of small-bore feeding tubes. J Parenter Enteral Nutr 1993;17:243-246. 2. Bourgault, Annette M., Heyland, Daren K., Drover, John W., Keefe, Laurie, Newman, Paula, and Day, Andrew G. “Prophylactic Pancreatic Enzymes to Reduce Feeding Tube Occlusions.” American Society for Parenteral and Enteral Nutrition. 2003; 18:398-401.