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Intravascular ultrasound, virtual histology and optical coherence tomography of the culprit lesion in acute coronary syndromes

Title: Intravascular ultrasound, virtual histology and optical coherence tomography of the culprit lesion in acute coronary syndromes

Author:

Mrevlje, Blaž

Date:

2018

Type:

Praca doktorska

Abstract:

Acute coronary syndrome is the result of a significant stenosis or occlusion of infarct-related artery, which is usually caused by large thrombus as the consequence of sudden rupture of a vulnerable plaque. The occlusion or significant stenosis identified on an angiogram is mainly composed of thrombus (angiographic culprit lesion) however the site of plaque rupture or the site of maximum necrotic core is usually located a few millimeters proximal to it.20 patients with non-ST-elevation acute coronary syndrome and 20 patients with ST-elevation myocardial infarction who had TIMI-3 flow re-established (with or without thromboaspiration) in infarct-related artery and underwent angiographically-guided stent implantation were enrolled and assessed in this study. Culprit lesions prior to stent implantation and treated segments of infarct-related arteries were assessed by intravascular ultrasound, virtual-histology intravascular ultrasound and optical coherence tomography (blinded to the operator).With the use of these imaging modalities culprit lesions were studied in detail as well as the phenomenon of longitudinal geographic miss, which was defined as the presence of a vulnerable plaque in the reference segments of the treated segment of infarct-related artery. Using virtual-histology intravascular ultrasound longitudinal geographic miss was confirmed in 70% of patients with non-ST-elevation acute coronary syndrome and in 35% of patients with ST-elevation myocardial infarction. With the use of optical coherence tomography geographic miss was confirmed in 10% of patients with ST-elevation myocardial infarction and in none of the non-ST-elevation acute coronary syndrome patients. The use of intravascular ultrasound and optical coherence tomography in patients with acute coronary syndrome is safe and feasible and provides the operator with additional information for the optimization of primary percutaneous coronary intervention.

Place of publishing:

[Kraków]

Level of degree:

2 - studia doktoranckie

Degree discipline:

choroby układu krążenia

Degree grantor:

Medical Faculty. Jagiellonian University.

Promoter:

Jacek Legutko

Date issued:

[2018]

Identifier:

oai:dl.cm-uj.krakow.pl:4281

Call number:

ZB-128302

ControlNumberVIRTUA:

click here to follow the link

Access rights:

nieograniczony

Location of original object:

Biblioteka Medyczna Uniwersytetu Jagiellońskiego- Collegium Medicum

Subject and keywords:

intravascular ultrasound virtual histology optical coherence tomography acute coronary syndrome

Object collections:

Last modified:

May 24, 2021

In our library since:

May 7, 2019

Number of object content hits:

71

All available object's versions:

http://dl.cm-uj.krakow.pl:8080/publication/4282

Show description in RDF format:

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Show description in OAI-PMH format:

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Edition name Date
ZB-128302 May 24, 2021

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