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Article
X-ray densitometry for the measurement of regional myocardial perfusion
The evaluation of regional myocardial blood flow (RMBF) during cardiac catheterization is of particular diagnostic interest. The purpose of this investigation was to validate x-ray densitometric parameters fo...
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Article
Hämostatischer Verschluß der arteriellen Punktionsstelle mittels Angio-Seal™ nach diagnostischer Herzkatheteruntersuchung oder Koronarintervention
Die konventionelle manuelle Kompression mit anschließendem Druckverband zum Verschluß der arteriellen Punktionsstelle nach diagnostischer Herzkatheteruntersuchung oder Koronarintervention ist mit einer mehrstü...
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Article
Antiischämische Wirkung von Verapamil im Rahmen einer interventionellen Rekanalisation
Wir berichten über einen 46jährigen Patienten mit instabiler Angina pectoris und angiographischem Nachweis eines Ramus-circumflexus-Verschlusses. An der Stelle einer Plaqueruptur war es zu einem thrombotischen...
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Article
Non-invasive characterization of cardiac microvascular disease by nuclear medicine using single-photon emission tomography
In about 10 to 30% of patients with typical angina undergoing coronary angiography for suspicion of stenotic coronary artery disease angiographically normal coronary arteries are found. Kemp et al. in 1973 coi...
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Article
Prevalence of microvascular disease in patients with significant coronary artery disease
Coronary flow velocity reserve (CFVR) measurement using intracoronary Doppler techniques has been increasing accepted for the assessment of physiological significance of epicardial stenosis and the functional ...
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Article
Does remodeling occur in the diseased human saphenous vein bypass grafts? An intravascular ultrasound study
Background: Coronary artery remodeling is a common phenomenon in human atherosclerotic arteries. Controversies exist concerning the presence of absence of the remodeling process in diseased human coronary saph...
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Article
Chest pain after coronary interventional procedures
Chest pain following successful percutaneous coronary interventions is a common problem. Although the development of chest pain after coronary interventions may be of benign character, it is disturbing to pati...
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Article
RETRACTED ARTICLE: Role of intravascular ultrasound imaging in identifying vulnerable plaques
A plaque that has a large lipid core and a thin fibrous cap may undergo rupture. Once it ruptures, it may lead to thrombus formation and subsequent vessel occlusion. To identify unstable plaques before they ru...
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Article
Digitale Archivierung von bildgebenden Herzkatheteruntersuchungen auf CD-R
Die Digitalisierung des Herzkatheterlabors ist in den letzten fünf Jahren wesentlich vorangeschritten, da der 35-mm-Röntgenfilm durch eine digitale Archivierung auf CD-R nach dem DICOM-3-Verfahren erreicht wur...
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Chapter
Intravascular ultrasound for evaluation of coronary arteries
Intravascular ultrasound (IVUS) has emerged from a research tool to an intrinsic part of modern invasive cardiology. The main reason is the capability to obtain “in-vivo” histology. For the first time it is po...
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Article
Improvement of coronary morphology and blood flow after stenting
Intravascular ultrasound (IVUS) and intracoronary Doppler (ICD) were performed in eight patients (54.3±6.5 years, 6 male) immediately after PTCA and after stenting. ICD was also performed before PTCA. After PT...
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Article
Improving the applicability of myocardial densitometry and parametric imaging by extended automated densogram analysis
In clinical applications the analysis of X-ray contrast densograms acquired in regions of interest (ROI's) over the myocardium is disturbed by many complex factors. For this reason we acquire redundant densogr...
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Article
Intravascular ultrasound
ICUS is a new technique and technique development has overcome already some o f the potential limitations of the technique. Further miniaturization with production of imaging guidewires and micrometers as well...
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Chapter
Differentiation of Coronary Syndromes with Intracoronary Ultrasound
Angiography is regarded as the golden standard in order to evaluate morphology and function of coronary arteries. Comparison between angiography and postmortem studies, however, revealed significant discrepanc...
