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)
There will also be long-term costs associated with RNY gastric bypass including: 1  Several yearly doctor visits (typically $50 to $120 per visit) 2  Gym membership for exercising (usually $25 to $80 per month) 3  Strict Dieting Regimen. 4  Vitamin/Nutritional Supplements for Life are Required.