Bypass surgery

• Vascular bypass surgery such as coronary artery bypass surgery, a heart operation
• Cardiopulmonary bypass, a technique used in coronary artery bypass surgery
• Weight loss or Bariatric surgery:
• *Vertical banded gastroplasty surgery or "stomach stapling", the upper part of the stomach is permanently stapled to create a smaller pouch
• *Adjustable gastric band or "lap band", a band creates a pocket in the stomach that can be adjusted with a port placed just under the skin
• *Roux-en-Y gastric bypass surgery, the small intestine is connected to the upper part of the stomach
• *Partial ileal bypass surgery, shortening the final portion of the small intestine
• *Popliteal bypass surgery, to treat diseased leg arteries above or below the knee
• *Jejunojejunostomy, surgery that connects two portions of small intestine and is no longer used
• **Ileojejunal bypass, surgery that connects the middle and final portions of the small intestine that was experimental and is no longer used