269 Result(s)
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The acute effects of intravenous nisoldipine on left ventricular function 24 to 72 hours after uncomplicated acute myocardial infarction
The acute effects on left ventricular function of nisoldipine were studied in six patients 56±12 hours (range 44 to 72 hours) after the onset of uncomplicated acute myocardial infarction. Nisoldipine was admin...
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Assessment of pulmonary embolism
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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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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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Notfallmäßige Stent-Implantation in dem Bereich einer ausgedehnten Muskelbrücke des Ramus interventricularis anterior nach postinterventioneller Dissektion
Bei einem 64jährigen Patienten mit progredienter Angina-pectoris-Symptomatik zeigte die koronare Angiographie eine Muskelbrücke im Ramus interventricularis anterior. Auch die anschließend durchgeführten intr...
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Laserangioplastie und -rekanalisation
Die perkutane transluminale Koronarangioplastie ist auch 20 Jahre nach ihrer Einführung durch Andreas Grüntzig die Standardintervention zur Behandlung der koronaren Herzerkrankung. Der Hauptwirkmechanismus lie...
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Intravasaler Ultraschall – Der neue Goldstandard?
Innerhalb weniger Jahre hat sich der intravasale Ultraschall (IVUS) einen festen Platz in der invasiven kardiologischen Diagnostik erobert. Durch die intrakoronare Positionierung von miniaturisierten Echoson...
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In vivo tomographic assessment of the heart and blood vessels with intravascular ultrasound
Intravascular ultrasound (IVUS) has emerged from being a research tool to becoming an intrinsic part of modern invasive cardiology mainly due to imaging micro anatomy in vivo. For the first time, it is possi...
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Intravascular Ultrasound
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Argumente gegen eine konventionelle Ballondehnung von Rezidiven im Stent
Die Stentrestenose stellt heute die Hauptlimitation der koronaren Stentimplantation dar. Trotz verschiedener prospektiv randomisierter Studien, die im Vergleich zur konventionellen Ballonangioplastie reduzie...
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Neue Bildgebende Verfahren zur Darstellung der Koronararterien
Die bildgebenden Verfahren zur Darstellung der Koronararterien können in zwei Gruppen unterteilt werden: invasive und nicht invasive Methoden. Neben der konventionellen Koronarangiographie gehören zur Gruppe...
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Versorgung einer Koronarperforation nach perkutaner Ballonangioplastie mit einem neuen Membranstent
Ein 59jähriger nierentransplantierter Patient wurde an einer De-novo-Stenose der rechten Herzkranzarterie mittels perkutaner transluminaler Koronarangioplastie behandelt. Im Rahmen dieser Intervention wurde ...
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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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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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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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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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Effects of Quinapril on Myocardial Function, Ventricular Remodeling and Cardiac Cytokine Expression in Congestive Heart Failure in the Rat
Inflammatory cytokines have been shown to be activated in congestive heart failure (CHF). This activation is likely the result of the convergence of a number of factors, several of which could be attenuated wi...
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Myocardial ischemia and reperfusion reduce the levels of cyclic ADP-ribose in rat myocardium
Cyclic ADP-ribose (cADPR) is a novel Ca2+-mobilizing second messenger in mammalian cells including cardiomyocytes. It is unknown whether myocardial ischemia and reperfusion affect the metabolism of cADPR in the ...
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Neuromuscular block with vecuronium reduces the rapidly extracted auditory evoked potentials index during steady state anesthesia
During clinical monitoring, vecuronium appeared to reduce the rapidly extracted auditory evoked potentials index (A-line ARX index or AAI) to some extent. A prospective and randomized study was designed to ana...
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Simvastatin Regulates Myocardial Cytokine Expression and Improves Ventricular Remodeling in Rats after Acute Myocardial Infarction
Purpose: Studies have showed that inflammatory cytokines were involved in the process of left ventricular (LV) remodeling after acute myocardial infarction (AMI), anti-inflammation treatment ameliorated LV remode...