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  • Medical Science

Bypass

The term bypass describes a heart surgery technique involving bypassing (short circuiting) a blood vessel which either does not allow blood to circulate or limits circulation (often blocked by atheromatous plaque). A replacement vessel is then provided (a vein removed from the patient, or a synthetic vessel) in order to restore effective blood circulation.

The four most common bypasses

  • Coronary artery bypass graft, that connects the aorta to a coronary artery;
  • ilio-femoral bypass that connects an iliac artery to a femoral artery;
  • carotid bypass that restores normal functioning to the arteries of the neck (carotids);
  • and venous bypass that is used to treat portal vein hypertension.

Aorto-coronary bypass requires open surgery. © SeanMack, Wikimedia, public domain Aorto-coronary bypass requires open surgery. © SeanMack, Wikimedia, public domain

Bypass - 1 Photo
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