Acute renal failure is typical in patients with renal cortical necrosis, with associated complications (eg, hyperkalemia, fluid overload). Chronic renal failure, occurring in 30-50% of patients, requires dialysis and transplantation.
The average hospital stay is 1 to 3 nights which varies depending on type of surgery and your overall condition. Duodenal switch surgery: 2 to 3 days; Gastric bypass surgery: 2 to 3 days; Gastric sleeve surgery: 2 to 3 days; Mini gastric bypass: 2 to 3 days; Gastric banding surgery (LAP-BANDÂ®): 1 day or less; Gastric Balloon: Same-day (outpatient)
Chest tubes, to drain the chest cavity of fluid and blood (which is temporary and normal) after surgery. You will typically stay in the hospital from 3 to 8 days after open-chest bypass surgery. The amount of time you stay varies and will depend on your health before bypass surgery and whether complications develop from surgery.