bypass (redirected from bypassing)

bypass /by·pass/ (bi´pas) an auxiliary flow; a shunt; a surgically created pathway circumventing the normal anatomical pathway, such as in an artery or the intestine.

---

cardiopulmonary bypass  diversion of the flow of blood to the heart directly to the aorta, via a pump oxygenator, avoiding both the heart and the lungs; a form of extracorporeal circulation used in heart surgery.

coronary artery bypass  a section of vein or other conduit grafted between the aorta and a coronary artery distal to an obstructive lesion in the latter.

gastric bypass  gastrojejunostomy in which the stomach is transected high on the body, the proximal remnant being joined to a loop of jejunum in end-to-side anastomosis.

---

by·pass (bps)

n.

1. A passage created surgically to divert the flow of blood or other bodily fluid or to circumvent an obstructed or diseased organ.

2. A surgical procedure to create such a channel.

---

bypass

an auxiliary flow; a shunt; a surgically created pathway circumventing the normal anatomical pathway, as an intestinal bypass.

---

cardiopulmonary bypass

diversion of the flow of blood from the entrance to the right atrium directly to the aorta, usually via a pump oxygenator, avoiding both the heart and the lungs; a form of extracorporeal circulation used mainly in experimental animals in the investigation of cardiac prosthetic devices. Called also CPB.