bypass

(redirected from coronary bypass)
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Related to coronary bypass: Cardiac catheterization

bypass

1. a main road built to avoid a city or other congested area
2. any system of pipes or conduits for redirecting the flow of a liquid
3. a means of redirecting the flow of a substance around an appliance through which it would otherwise pass
4. Surgery
a. the redirection of blood flow, either to avoid a diseased blood vessel or in order to perform heart surgery
b. (as modifier): bypass surgery
5. Electronics
a. an electrical circuit, esp one containing a capacitor, connected in parallel around one or more components, providing an alternative path for certain frequencies
b. (as modifier): a bypass capacitor

bypass

[′bī‚pas]
(civil engineering)
A road which carries traffic around a congested district or temporary obstruction.
(communications)
The use of alternative systems, such as satellite and microwave, to transmit data and voice signals, avoiding use of the communication lines of the local telephone company.
(electricity)
A shunt path around some element or elements of a circuit.
(engineering)
An alternating, usually smaller, diversionary flow path in a fluid dynamic system to avoid some device, fixture, or obstruction.

bypass

Any device (such as a pipe or duct) for directing flow around an element instead of through it.

bypass

In communications, to avoid the local telephone company by using satellites and microwave systems.
References in periodicals archive ?
Coronary bypass surgery is a procedure in which damaged sections of the coronary arteries (arteries that bring blood to the heart muscle) are replaced with healthy blood vessel segments.
Moreover, in King's (1985) study, positive-thinking, was the only coping strategy to remain stable over time (from presurgery to follow-up of patients who underwent coronary bypass surgery).
Such treatment could benefit the estimated 220,000 patients undergoing coronary bypass surgery each year in the United States, and many of the 1.
With an HDE, we would first market the Perma-Flow Graft for use in the smaller number of patients who require coronary bypass surgery, but who have inadequate vessels with which to perform it.
Its three products -- the AngioJet(R) Rapid Thrombectomy System, the Perma-Flow(R) Coronary Bypass Graft and the Perma-Seal(R) Dialysis Access Graft -- are highly differentiated, next-generation medical devices that have the potential to become preferred treatment options.
Although the European researchers do not offer an explanation for the findings, some physicians suggest that using a vein in the leg, once the most common procedure for coronary bypass, does not provide long-term benefit.
Worldwide, more than 500,000 coronary bypass procedures are performed annually.
The study found that blacks were less likely than whites to undergo cardiac catheterization, and to receive coronary angioplasty and coronary bypass surgery.
Coronary bypass surgery in 1983 failed to stabilize Schroeder's deteriorating heart, and other health problems arose.
Former Los Angeles Mayor Tom Bradley was reported in serious condition Thursday after suffering a stroke while recovering from coronary bypass surgery.
Former Los Angeles Mayor Tom Bradley was conscious and alert, and communicating with family members at his bedside Friday, a day after he suffered a stroke while recovering from coronary bypass surgery.