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Topic: IVUS

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Intravascular ultrasound

Angiography

Angioplasty

Atheroma

Catheterization

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	Ivus the Forest Lord - WoWWiki - Your guide to the World of Warcraft
		Ivus the Forest Lord is a massive Ancient of War boss that aids the Alliance in Alterac Valley.
		If Ivus successfully reaches Frostwolf base, he will stand in front of Frostwolf Keep and stay there unless provoked by enemy players, in which case he will give chase until he either leashes back, kills the enemy player, or is killed himself.
		Ivus, like his counterpart Lokholar the Ice Lord can also be kited, but as he is neither attacked nor defended by NPCs on the field, and often delays their eventual movement forward.
	www.wowwiki.com /Ivus_the_Forest_Lord (224 words)

	Dotter Interventional Institute \| DIPS
		The IVUS (Intravascular ultrasound guided direct intrahepatic portocaval shunt) guided DIPS procedure was developed at the Dotter Institute in an attempt to improve the conventional TIPS procedure.
		As the shunt is performed directly from the IVC to the portal vein, the hepatic veins are excluded from the shunt, and hepatic veins obstruction are eliminated.
		Using the IVUS probe to guide the needle of a slightly modified Rosch-Uchida set, the needle is thrust directly from the IVC (Fig.
	www.ohsu.edu /dotter/dips.htm (853 words)

	E-Journal - Volume 2 - Intravascular Ultrasound (IVUS) for detecting post-transplantation allograft vasculopathy in ...
		IVUS application for diagnosis of coronary artery disease is a well explained method and its results in detecting allograft vasculopathy have been reported previously.
		IVUS is the only known technique which identifies normal arterial wall (intima, media and adventitia) and the abnormal changes (lipid, fibrous connective tissue and calcium) (3).
		In a series of transplant donors assessed by IVUS, coronary atheromas were found in 17% of those younger than 20 years, 37% of those aged 20 to 29 years, and 60% of those aged 30 to 39 years, whereas angiography results were negative in 97% of this population (7).
	www.escardio.org /knowledge/cardiology_practice/ejournal_vol2/vol2no40.htm (1423 words)

	Intravascular Ultrasound - Texas Heart Institute Heart Information Center
		Intravascular ultrasound (IVUS) or intravascular echocardiography is a combination of echocardiography and a procedure called cardiac catheterization.
		IVUS uses sound waves to produce an image of the coronary arteries and to see their condition.
		IVUS is rarely done alone or as a strictly diagnostic procedure.
	www.texasheartinstitute.org /HIC/Topics/Diag/diivus.cfm (786 words)

	Intravascular ultrasound
		IVUS is a combination of a heart ultrasound (echocardiogram) and cardiac cathertization.
		During the IVUS procedure, the ultrasound catheter is inserted into an artery in your groin area and moved up to the heart.
		IVUS has provided a great amount of insight into how stents become clogged (stent restenosis).
	www.adventisthealthcare.com /adam/Health%20Illustrated%20Encyclopedia/1/007266.html (460 words)

	Japanese Circulation Society
		But, by IVUS a plaque was visualized on the wall of the artery and a significant stenosis was found proximal to the bifurcation of the circumflex that was calcified and narrowed the left main lumen.
		IVUS can assess whether the device actually removes the material and the amount, to determine whether the results obtained are from material removal or the balloon itself.
		IVUS imaging is performed by going through the vein and the coronary sinus to visualize the disease in the artery.
	www.j-circ.or.jp /english/sessions/reports/64th-ss/tobis.htm (1361 words)

	MOHLTC - MAS - Intravascular Ultrasound to Guide Percutaneous Coronary Interventions (Site not responding. Last check: )
		IVUS has been used to study the structure of the arterial wall and nature of atherosclerotic plaques, and obtain measurements of the vessel lumen.
		IVUS greatly enhances the cardiac interventionists’ ability to visualize and assess high-risk lesions such as long lesions, narrow lesions, and bifurcated lesions that may have indeterminate angiographic images.
		The use of IVUS adjunctive to coronary angiography in percutaneous coronary interventions using bare metal stents in lesions predominantly at low risk for restenosis significantly reduced the target lesion and target vessel revascularization at a follow-up period of 18 months to 2.5 years.
	www.health.gov.on.ca /english/providers/program/mas/tech/reviews/sum_ivus_040106.html (1939 words)

	Intravascular Ultrasound (IVUS) Imaging of Coronary Arteries
		Transcatheter intravascular ultrasound (IVUS) imaging is a technique in which a miniaturized ultrasound transducer, mounted on the tip of catheter, is inserted directly into an artery or vein to produce either two-dimensional tomographic images or three-dimensional computer-assisted reconstructions of planar IVUS images.
		Therefore, IVUS has been extensively investigated as a technique to determine plaque composition, mechanism of action of PTCA, and to determine residual plaque at the end of a procedure; i.e., the acute procedural success.
		The results of IVUS suggested that the risk of thrombosis was in part related to improper stent placement or incomplete stent expansion.
	www.regence.com /trgmedpol/radiology/rad23.html (1132 words)

	IVUS (Intravascular ultrasound)
		Intravascular ultrasound (IVUS) is a catheter-based technique, which provides real-time high-resolution images allowing precise tomographic assessment of lumen area, plaque size, and composition of a coronary segment, and therefore provides new insights into the diagnosis of and therapy for coronary disease.
		IVUS is used in the coronary arteries to determine the amount of disease at any particular point in one of the coronary arteries regardless the presense or absence of any stenosis.
		In IVUS images, the lumen is typically a dark echo-free area adjacent to the imaging catheter, and the coronary artery vessel wall mainly appears as three layers: intima, media, and adventitia.
	heart-disease.health-cares.net /intravascular-ultrasound.php (575 words)

	The Coding Institute - Coding Information and Related Publications, ONLINE
		IVUS is an imaging technique whereby an ultrasound transducer and a rotational mirror are mounted on a catheter tip, which is then inserted directly into the blood vessel.
		IVUS is used in coronary and peripheral arteries to provide diagnostic and other information, including location, quantity and type of atherosclerotic plaque.
		IVUS performed with a coronary intervention is likely to be paid if the procedure is documented and a valid diagnosis demonstrates medical necessity.
	codinginstitute.com /news/article49.html (1161 words)

	Use of Intravascular Ultrasound in Endovascular Stenting of Traumatic Rupture of the Descending Thoracic Aorta
		The IVUS (Volcano Visions, PV 8.2 F) catheter was used to guide and advance the Starter guidewire safely across the contained rupture area into ascending aorta.
		Using the IVUS, the aortic diameter was measured 28 mm just distal to the left subclavian artery and 29 mm at origin of the left common carotid artery.
		IVUS will penetrate the field of endovascular, general and cardiovascular surgery- as it has done the field of interventional cardiology.
	www.ctsnet.org /sections/clinicalresources/clinicalcases/article-12.html (1761 words)

	Guidant Newsroom
		Volcano Therapeutics' technology uses IVUS radio frequency signal components to automatically characterize lesion composition, morphology and behavior as the vessel is being imaged.
		In an IVUS procedure, the IVUS catheter is connected to a console.
		In a conventional IVUS procedure, images of the cross-section of the vessel are obtained.
	www.guidant.com /webapp/emarketing/newsroom/newspg.jsp?dir=plaque&file=prospect (884 words)

	Cardiology Advisor 2006.4: Intravascular Ultrasound (IVUS)
		Intravascular ultrasound (IVUS) is a test that bounces high frequency sound waves off blood vessels in the body and in the heart.
		The pictures created by IVUS show the location, extent, hardness, and thickness of the blood vessel blockage.
		Because the IVUS catheter is positioned inside the blood vessel, there is a risk that the catheter will damage the blood vessel and cause a heart attack.
	www.fairview.org /healthlibrary/content/ca_intrault_car.htm (422 words)

	Products - IVUS Imaging - s5i™ Imaging System
		The Volcano s5i IVUS Imaging System uses a series of coordinated components to allow for a customized incorporation of IVUS into the interventional lab.
		The flexibility of the s5i allows for IVUS images to be viewed simultaneously from multiple vantage points in the lab.
		The s5i allows for multiple user interfaces, providing control of the IVUS system from both the convenience of the sterile field and the safety of the control room.
	www.volcanocorp.com /products/ivus-imaging/s5i-imaging-system.asp (387 words)

	Device for implementing a cutting balloon intervention with ivus monitoring patent invention (Site not responding. Last check: )
		[0012] The introduction of an IVUS (intravascular ultrasound) catheter into the vessel enhances the imaging information, yet has the disadvantage that a relatively expensive catheter must also be inserted into the patient and must be removed from the vessel before the balloon catheter is inserted.
		An IVUS system is described, for example, in EP 0 885 594 B1 and in U.S. Pat.
		The provision of such a circumferential sensor array, in which the individual ultrasound transducers function simultaneously as transmitters and receivers, whereby they are appropriately controlled with staggered timing, means that a rotating IVUS sensor is not required and, of course, that no drive shaft is required to accommodate it.
	www.freshpatents.com /Device-for-implementing-a-cutting-balloon-intervention-with-ivus-monitoring-dt20051006ptan20050222596.php (1286 words)

	Ivus
		Ivus collects personally identifiable data such as names, addresses and e-mail addresses that are voluntarily submitted by a user when he/she communicates with it.
		Ivus may disclose or access account information when it believes in good faith that the law requires it and for administrative and other purposes that we deem necessary to maintain, service and improve our products and services.
		Ivus is not responsible for the privacy practices employed by advertisers or sites to which links are provided by Ivus.
	www.ivus.co.in /privacy.htm (330 words)

	The Journal of Invasive Cardiology
		Three-dimensional IVUS data revealed that mean length analyzed was 14.9 Â± 3.0 mm in the DCA group and 20.4 Â± 4.8 mm in the POBA group.
		Thus, as determined by 3-D IVUS analysis for non-restenosed lesions, the principal mechanism of dilatation for the POBA group was vessel stretching and longitudinal plaque redistribution.
		IVUS has been utilized to reveal the mechanisms of restenosis after coronary intervention, which include acute elastic recoil post-procedure, chronic vessel remodeling and neointimal hyperplasia.
	www.invasivecardiology.com /article/604 (3530 words)

	Volcano Announces First Permanent Installations of the Integrated s5i IVUS Imaging System
		By integrating IVUS system directly into the cath lab, our hospital can ensure that IVUS is available to every patient, as the system is always on and ready to image.
		IVUS is a precise method that helps guide PCI therapy to ensure that bare metal and Drug Eluting Stents are both fully expanded and fully apposed to the vessel wall.
		Currently, more than 2,000 Volcano IVUS and FM systems are installed worldwide, with nearly half of its revenues coming from outside the U.S. For more information, visit the company's website at http://www.volcanocorp.com.
	www.prnewswire.com /cgi-bin/stories.pl?ACCT=104&STORY=/www/story/10-11-2006/0004449399&EDATE= (1020 words)

	Mayo Clinic - Routine IVUS guidance not needed for coronary stent implantation
		Routine IVUS guidance not needed for coronary stent implantation
		Routine intravascular ultrasound (IVUS) guidance is not needed for coronary stent implantation.
		IVUS "has played an integral role in the evolution of interventional cardiology," scientists in Minnesota explained.
	www.newsrx.com /issue_article/Health-Business-Week/2004-06-18/0620200433327HBW.html (189 words)

	Reference.com/Encyclopedia/Atheroma
		From clinical studies published in the late 1990s to IVUS (in-the-artery-ultrasound) to visualize disease status, the typical heart attack occurs at locations with about 20% stenosis (narrowing), prior to sudden lumen closure and resulting heart attack.
		On average, by clinical research using IVUS, there is a minor stenosis, about 20%, present over those unstable atheroma which rupture and result in major disability or death.
		One way to see atheroma is the very invasive and costly IVUS ultrasound technology; it gives us the precise volume of the inside intima plus the central media layers of about 2.5 cm of artery length.
	www.reference.com /browse/wiki/Atheroma (2421 words)

	Infotrieve Online
		The purpose of this study was to examine the relationship of percent coronary luminal stenosis by IVUS to other IVUS measures of CAD, as well as the relationship of common IVUS measures of CAD to traditional CAD risk factors.
		IVUS was performed using a 20-MHz probe (Jomed, Rancho Cordoba, CA) and a manual pull-back technique to image the coronary arteries.
		IVUS plaque burden was significantly correlated with male gender (P<0.0001) and diabetes mellitus (DM) (P=0.003).
	www4.infotrieve.com /newmedline/detail.asp?NameID=16640708&Session=&searchQuery=Kahlon&count=70 (393 words)

	GE Healthcare and Volcano Corporation Announce FDA Clearance of Fully-Integrated Intravascular Ultrasound Imaging on ...
		It is made possible, in part, due to Volcano's latest PC-based IVUS platform that reduces the size, weight and noise of the IVUS console, allowing the unit to be located in the control room or in other areas outside of the daily traffic pattern of the cath lab.
		By integrating with the lab's archiving system, Innova IVUS cases are stored as sub-studies along with the cath lab study, further facilitating access to all patient information, which is particularly useful for prior study comparisons.
		Innova IVUS is currently available for sale to GE Healthcare customers and will be co-marketed by the GE and Volcano sales and marketing organizations in the United States, Europe, certain markets in Asia and other world markets.
	www.redorbit.com /news/health/630040/ge_healthcare_and_volcano_corporation_announce_fda_clearance_of_fullyintegrated/?source=r_health (1297 words)

	Characterization of non-calcified coronary atherosclerotic plaque by multi-detector row CT: comparison to IVUS.
		We investigated the CT attenuation of non-calcified plaques as determined by 16-slice MDCT in comparison to intravascular ultrasound (IVUS).
		At 252 sites within the coronary system, in which non-calcified atherosclerotic plaque could be identified both in MDCT and IVUS, the CT attenuation within the plaque was measured using a centrally placed region of interest and correlated to the appearance of the plaque in IVUS at the corresponding location.
		However, we observed substantial overlap of attenuation values between plaque types so that the differentiation of "vulnerable" and "stable" plaques based on their CT attenuation is doubtful.
	www.galenicom.com /medline/article/16494883/jo:0021-9150 (300 words)

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