bypass graft


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graft

 [graft]
1. any tissue or organ for implantation or transplantation.
2. to implant or transplant such tissues. This term is preferred over transplant in the case of skin grafts. See also implant.
allogeneic graft allograft.
autodermic graft (autoepidermic graft) a skin graft taken from the patient's own body.
autologous graft (autoplastic graft) a graft taken from another area of the patient's own body; called also autograft.
avascular graft a graft of tissue in which not even transient vascularization is achieved.
bone graft bone transplanted from one site to another.
bypass graft an autograft consisting of a segment of vein or artery grafted into place in a bypass.
cable graft a nerve graft made up of several sections of nerve in the manner of a cable.
coronary artery bypass graft (CABG) see under bypass.
cutis graft dermal graft.
delayed graft a skin graft that is sutured back into its bed and subsequently used after several days.
dermal graft (dermic graft) a skin graft of dermis, used instead of fascia in various plastic procedures.
epidermic graft a skin graft in which a piece of epidermis is implanted on a raw surface.
fascia graft a graft of fibrous tissue, usually taken from the external investing fascia of the lower limb (fascia lata).
fascicular graft a nerve graft in which bundles of nerve fibers are approximated and sutured separately.
filler graft one used for the filling of defects, as the filling of depressions with fatty tissue or of a bony cyst cavity with bone chips or dried cartilage.
free graft a graft of tissue completely freed from its bed, in contrast to a flap.
full-thickness graft a skin graft consisting of the full thickness of the skin, with little or none of the subcutaneous tissue.
heterodermic graft a skin graft taken from a donor of another species.
heterologous graft (heteroplastic graft) xenograft.
homologous graft a graft of tissue obtained from the body of another animal of the same species but with a genotype differing from that of the recipient; called also allograft and homograft.
inlay graft a skin graft or mucosal graft applied by spreading the graft over a stent and suturing the graft and mold into a prepared pocket.
isogeneic graft (isologous graft) (isoplastic graft) syngraft.
lamellar graft replacement of the superficial layers of an opaque cornea by a thin layer of clear cornea from a donor eye.
mesh graft a type of split-thickness graft in which many tiny splits have been made in the skin to allow it to be stretched to cover a larger area.
Mesh skin graft applied to the leg. From McQuillan et al., 2002.
Ollier-Thiersch graft a very thin skin graft in which long, broad strips of skin, consisting of the epidermis, rete, and part of the corium, are used.
omental graft a segment of omentum and its supplying vasculature, transplanted as a free flap to another area and revascularized by anastomosis of arteries and veins.
pedicle graft pedicle flap.
penetrating graft a full-thickness corneal transplant.
periosteal graft a piece of periosteum to cover a denuded bone.
Phemister graft a bone graft of cortical bone with cancellous bone chips to enhance callus formation.
pinch graft a small piece of skin graft, partial or full thickness, obtained by elevating the skin with a needle and slicing it off with a knife.
porcine graft a split-thickness graft of skin from a pig, applied to a denuded area on a human as a temporary dressing for treatment of a severe burn.
sieve graft a skin graft from which tiny circular islands of skin are removed so that a larger denuded area can be covered, the sievelike portion being placed over one area, and the individual islands over surrounding or other denuded areas.
skin graft a piece of skin transplanted to replace a lost portion of skin; see also skin grafting.
split-skin graft (split-thickness graft) a skin graft consisting of the epidermis and a portion of dermis.
Diagram of a cross-section of the skin, demonstrating split thickness and full thickness skin grafts. From Roberts and Hedges, 1991.
syngeneic graft syngraft.
thick-split graft a skin graft consisting of the epidermis and about two thirds of the dermis.
Thiersch graft Ollier-Thiersch graft.

bypass graft

A surrogate blood vessel used to re-route blood flow. Bypass grafts may be synthetic (Dacron) or autologous veins from the patient’s own leg to substitute for diseased vessel.

bypass graft

Surgery A surrogate blood vessel used to reroute blood; BGs may be synthetic–Dacron, or autologous–vein from the Pt's own leg, to substitute for diseased vessel

bypass graft

A surgical conduit inserted into the vascular system that routes blood around an obstructed vessel. See: coronary artery bypass
See also: graft
References in periodicals archive ?
Graft aneurysms can lead to various complications, including compression and mass effect on adjacent structures, thrombosis and embolization of the bypass graft leading to an acute coronary event, formation of fistula to the right atrium and ventricle, sudden rupture leading to hemothorax, hemopericardium, or death.
Hardware and software developments combined with new contrast agents will certainly improve image quality, and the assessment of coronary bypass grafts by MR may therefore offer an attractive alternative to invasive angiography and MSCT in the future," he said.
A meta-analysis of randomized controlled trials comparing coronary artery bypass graft with percutaneous transluminal coronary angioplasty: one-to eight-year outcomes.
Although bypass surgery is effective in restoring blood flow, 30 percent to 50 percent of bypass grafts eventually become blocked or fail.
The company's initial therapeutic focus for Anginera is as an adjunct therapy in patients undergoing coronary artery bypass graft (CABG) surgery.
SUNY Upstate Medical University (Upstate) intends to purchase Maquet Medical Systems coronary artery bypass grafts products, equipment, supplies, and accessories utilizing Maquet Medical Systems contract CE2641 pursuant to its authority under New York State Finance Law, section 163 (3) (vi), which authorizes the use of a consortium or comparable entity in lieu of using a centralized contract and without a formal competitive process when justified by price.
Surgeons at the site perform around 1,200 coronary artery bypass grafts and 300 lung operations every year.
The clogging of the veins often used for bypass grafts occurs in part because they have thinner walls than arteries do, Dzau says.
Data involving 202 treated sites and 125 patients showed that sealing was achieved in 96% of procedures, which included peripheral bypass grafts, AV-shunts and femoral arteriotomy sites for endovascular procedures.
This means physicians should now be aggressively lowering cholesterol to keep bypass grafts open.
The company's AngioJet System is the world's leading mechanical thrombectomy system with FDA approval to remove large and small thrombus from coronary arteries, coronary bypass grafts, peripheral arteries and veins and A-V grafts and native fistulas.