[Prognostic factors of dehydration and renal damage in patients with formed preventive ileostomy during rectal resection for cancer].

In our study, those patients whose ileostomy discharge exceeded 1000 ml/24 h at discharge were at increased risk of dehydration, hypokalemia, hypocalcemia, acute prerenal renal failure, which led to repeated hospitalization to correct these disorders, sometimes in the intensive care unit.