bifurcation

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Related to Bifurcations: Bifurcation diagram, bifurcation point, Local bifurcations

bifurcation

 [bi-fur-ka´shun]
1. a division into two branches, such as a blood vessel, or a tooth that has two roots.
Bifurcatio aortae (aortic bifurcation), showing the branching of the abdominal aorta into the common iliac arteries, and from there to the internal and external iliac arteries. From Dorland's, 2000.
2. the site of such a division.

bi·fur·ca·tion

(bī'fŭr-kā'shŭn), [TA]
A forking; a division into two branches.
Synonym(s): bifurcatio [TA]

bifurcation

/bi·fur·ca·tion/ (bi″fer-ka´shun)
1. a division into two branches.
2. the point at which division into two branches occurs.
Enlarge picture
Carotid bifurcation: the site of division of the common carotid artery into the external and internal carotid arteries.

bifurcation

[bī′fərkā′shən]
Etymology: L, bis + furca, fork
a splitting into two branches, such as the trachea, which branches into the two bronchi.

bifurcation

Theoretical medicine
A point in a dynamic system in which there is an abrupt change in the system’s behaviour; bifurcations occurs when 1+ of a system’s parameters reach a critical value. A change in the stability or types of solutions which occur as a parameter is varied in a dissipative dynamic system; the change can be seen as a bifurcation point in a graph of the parameter being varied vs one of the properties of the solutions.
 
Vox populi
A splitting into 2 parts.

Clinical trials
BIFURCATION
Evaluation of the Cypher sirolimus-eluting stent in the treatment of patients with bifurcation. A trial comparing the use of either one drug-eluting stent in the main branch and provisional stenting in the side branch or definitive stents in both vessels.
 
Results
Major acute cardiac events and target vessel revascularisation in CABG patients was 19% in stent + provisional stent patients and 14% in stent + PTCA (definitive) patients.

Logistics
Randomised, multicentre, US; 86 patients

bi·fur·ca·tion

(bī'fŭr-kā'shŭn) [TA]
A forking; a division into two branches.

bifurcation

A fork or double prong. Bifurcations are very common in blood vessels and in the bronchial ‘tree’ of the lungs. At a bifurcation the sum of the cross-sectional area of the two branches usually exceeds that of the parent branch. Since this happens many times, there is a progressive increase in the unit volume of the system.

bifurcation

division from a common origin into two equal parts, e.g. the division of a blood vessel into two equal-sized vessels

bi·fur·ca·tion

(bī'fŭr-kā'shŭn) [TA]
A forking; a division into two branches.

bifurcation (bī´furkā´shən),

n the division of a tooth's roots into two parts or branches.

bifurcation

1. a division into two branches.
2. the point at which division into two branches occurs.

tracheal bifurcation
termination of the trachea, where it divides into two principal bronchi.
References in periodicals archive ?
announced today the company received CE (Conformite Europeenne) Mark for its AXXESS[TM] Biolimus A9[R] Eluting Coronary Bifurcation Stent System (AXXESS System), allowing the company to initiate sales in the European Union and other countries that recognize the CE Mark.
the leading developer of stents designed to definitively treat bifurcation lesions, announced that the company's TRYTON Side Branch Stent[TM] System has been used in three cases in Israel for the first time.
incorporated in 1998, designs, develops and manufactures stents and delivery systems for treatment of atherosclerotic disease in bifurcation areas of the vascular system.
As we begin to transition into a company with sales, we intend to develop new generations of coated stents and delivery systems to treat bifurcation disease.
The Company also announced that six-month follow-up data from its 'OPEN I' clinical study demonstrated safety and efficacy of its disconnectable and self-expanding platform in treating coronary lesions close to a bifurcation.
The DIVERGE II study is a multicenter, blinded, controlled, randomized trial comparing the treatment of bifurcation lesions with the AXXESS stent to standard techniques with conventional stents.
The company has produced a novel bifurcation stent.
Cappella), a medical device company developing dynamic solutions for the treatment of coronary bifurcation disease, today revealed how its innovative Sideguard[R] coronary sidebranch technology will be featured in several scientific sessions at this week's EuroPCR Congress in Paris, including a new European survey on the challenges in treating bifurcation disease.
The significance of developing models for arterial bifurcations relate to the fact that disease mostly occurs near arterial bifurcations.
Advanced Bifurcation Systems (ABS) has developed a novel technology to enable effective stenting of coronary arteries at their branch points (bifurcations).
One 1T and one 5T bifurcation group with Andronov-Hopf bifurcations, several symmetry breakings, period doublings and rare attractor P5 RA (Fig.