RT Journal Article T1 Pharmacological intestinal obstruction because of calcium polystyrene sulfonate administration A1 Thorpe Plaza, Benjamín Alfonso A1 González Vinagre, Salustiano A1 Santos, Daniel A1 Caneiro Gómez, Javier A1 Bustamante Montalvo, Manuel K1 Cation exchange resins K1 Hyperkalemia K1 Intestinal obstruction K1 Polystyrene sulfonic acid K1 Renal insufficiency K1 Chronic AB Cation exchange resins are commonly used as treatment for hyperkalaemia in patients with chronic renal disease. There is a relation between cation exchange resins and the development of gastrointestinal adverse effects. A case of an intestinal obstruction at the terminal ileum is presented that underwent an ileocolic resection because of a critical stenosis of the intestine. The pathologist revealed abundant inflammatory cells together with deposits of calcium polystyrene crystals responsible of the intestinal obstruction. A rare cause of intestinal obstruction to bear in mind in chronically medicated patients with cation exchange resins. PB Oxford University Press YR 2024 FD 2024 LK http://hdl.handle.net/10347/33709 UL http://hdl.handle.net/10347/33709 LA eng NO Benjamin Thorpe, Salustiano Gonzalez Vinagre, Daniel Santos, Javier Caneiro Gomez, Manuel Bustamante Montalvo, Pharmacological intestinal obstruction because of calcium polystyrene sulfonate administration, Journal of Surgical Case Reports, Volume 2024, Issue 4, April 2024, rjae201 DS Minerva RD 25 abr 2026