The net transport and unidirectional fluxes of water, sodium, and potassium were studied in four subjects with diffuse untreated proctocolitis, by perfusing the colon with isotopically-labelled solution instilled through a tube introduced by mouth. The results were compared to those obtained in 13
The faecal output of chloride, sodium and potassium was studied in 14 patients with active idiopathic proctocolitis, in an attempt to establish a relationship between faecal electrolyte output and acid-base balance data. 7 patients with ileostomy and 8 healthy volunteers were used as controls. The