"Bypass surgery refers to a class of surgeries involving rerouting a tubular body part.
Types include:
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" - (en.wikipedia.org 19.08.2021)
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