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・ Bareh Sheykhali
・ Bareh Tork
・ Bareh-ye Seyyed Ahmad
・ Bare-faced Messiah
・ Bare-fronted Hoodwink
・ Bare-handed Pelota First League
・ Bare-handed Pelota First League Doubles
・ Bare-handed Pelota Second League
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・ Bare-hearted glass frog
・ Bare-knuckle
・ Bare-knuckle boxing
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・ Bare-legged swiftlet
・ Bare-metal restore
Bare-metal stent
・ Bare-naped goby
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・ Barea
・ Barea (genus)
・ Barea (surname)


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Bare-metal stent : ウィキペディア英語版
Bare-metal stent

Bare-metal stent is a vascular stent without a coating (as used in drug-eluting stents). It is a mesh-like tube of thin wire. The first stents licensed for use in cardiac arteries were bare metal – often 316L stainless steel. More recent ('2nd generation') stents use cobalt chromium alloy.
Drug-eluting stents are often preferred over bare-metal stents because the latter carry a higher risk of restenosis, the growth of tissue into the stent resulting in vessel narrowing. However, once tissue re-growth covers the metal stent in the vessel, there is a lower rate of blood clot formation (thrombosis) of the stent. As a result, patients with bare metal stents generally receive a shorter duration of blood-thinning anti-coagulation than do patients with drug-eluting stents, and bare-metals stents may be better for some patients for this reason.
== Examples ==

* Stainless steel: R stent (OrbusNeich), Genous Bio-engineered R stent (OrbusNeich), (J&J, Cordis) BxVelocity, (Medtronic) Express2, Matrix Stent (Sahajanand Medical technologies)
* Cobalt-chromium alloy: Blazer (OrbusNeich), Genous Bio-engineered Cobalt Chromium stent (OrbusNeich), Azule (OrbusNeich), (DISA Vascular) SolarFlex & ChromoFlex,(Medtronic) Driver, (Guidant, Abbott) ML Vision, Coronnium (Sahajanand Medical technologies)

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Bare-metal stent」の詳細全文を読む



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