G Porenta
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Explore the profile of G Porenta including associated specialties, affiliations and a list of published articles.
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41
Citations
732
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Recent Articles
1.
Khorsand A, Gyongyosi M, Sochor H, Maurer G, Karanikas G, Dudczak R, et al.
Nuklearmedizin
. 2010 Dec;
50(1):9-14.
PMID: 21165540
Aim: We compared and delineated possible differences of model-based analysis of ECG-gated SPECT using (⁹⁹m)Tc-sestamibi (Tc-SPECT) with ECG-gated ¹⁸F-fluorodeoxyglucose-PET (FDG-PET) for determination of end-diastolic (EDV) and end-systolic (ESV) cardiac volumes,...
2.
Graf S, Khorsand A, Stix G, Nekolla S, Becherer A, Kletter K, et al.
Nuklearmedizin
. 2006 Sep;
45(4):171-6.
PMID: 16964343
Aim: We investigated the impact of photon attenuation in myocardial perfusion imaging with SPECT and PET in patients with coronary artery disease. In fact, the regional tracer distribution can be...
3.
Graf S, Khorsand A, Gwechenberger M, Schutz M, Kletter K, Sochor H, et al.
Eur J Clin Invest
. 2006 Apr;
36(5):326-32.
PMID: 16634836
Background: Approximately 10-30% of patients with typical chest pain present normal epicardial coronaries. In a proportion of these patients, angina is attributed to microvascular dysfunction. Previous studies investigating whether angina...
4.
Graf S, Porenta G
Wien Med Wochenschr
. 2002 Jul;
152(11-12):289-92.
PMID: 12138658
The number of patients with heart failure secondary to chronic ischemic heart disease, also called ischemic cardiomyopathy, is increasing in clinical cardiology. Left ventricular dysfunction after ischemic episodes has been...
5.
Rosenhek R, Binder T, Porenta G, Lang I, Christ G, Schemper M, et al.
Acta Med Austriaca
. 2001 Mar;
28(1):27-9.
PMID: 11253629
Whether asymptomatic patients with severe aortic stenosis benefit from surgery remains unclear. We report our data recently published in the New England Journal of Medicine on the natural history of...
6.
Khorsand A, Haddad M, Graf S, Moertl D, Sochor H, Porenta G
J Nucl Med
. 2001 Feb;
42(2):189-93.
PMID: 11216515
Unlabelled: This study evaluated the diagnostic accuracy of case-based reasoning (CBR) to automatically detect significant coronary artery disease from dipyridamole 201Tl myocardial SPECT perfusion scintigrams. Methods: The study population included...
7.
Porenta G, Binder T, Moertl D, Zehetgruber M, Graf S, Maurer G, et al.
J Vasc Res
. 2001 Jan;
37(6):594-602.
PMID: 11146414
This study sought to delineate the impact of the rate pressure product on intraluminal Doppler velocity measurements and to determine the relation between poststenotic vasodilator reserve and percent luminal obstruction...
8.
Binder T, Rosenhek R, Porenta G, Maurer G, Baumgartner H
J Am Coll Cardiol
. 2000 Oct;
36(4):1355-61.
PMID: 11028494
Objectives: This study was performed to determine the feasibility, accuracy and reproducibility of real-time volumetric three-dimensional echocardiography (3-D echo) for the estimation of mitral valve area in patients with mitral...
9.
Rosenhek R, Binder T, Porenta G, Lang I, Christ G, Schemper M, et al.
N Engl J Med
. 2000 Aug;
343(9):611-7.
PMID: 10965007
Background: Whether to perform valve replacement in patients with asymptomatic but severe aortic stenosis is controversial. Therefore, we studied the natural history of this condition to identify predictors of outcome....
10.
Binder T, Sussner M, Moertl D, Strohmer T, Baumgartner H, Maurer G, et al.
Ultrasound Med Biol
. 1999 Nov;
25(7):1069-76.
PMID: 10574339
This study investigated the use of artificial neural networks (ANN) for image segmentation and spatial temporal contour linking for the detection of endocardial contours on echocardiographic images. Using a backpropagation...