Alex M Fabricius

University of Leipzig, Leipzig, Saxony, Germany

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Publications (3)14.95 Total impact

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    ABSTRACT: In a 73-year-old woman admitted with pulmonary embolism, a thrombus wedged across a patent foramen ovale was revealed by transesophageal echocardiography. After systemic anticoagulation, cardiac embolectomy and closure of the atrial septal defect were considered. Before surgery, repeat transesophageal echocardiography revealed only a small patent foramen ovale with no residual thrombus. We assumed dissolution of the thrombus as the patient had no sign of systemic or recurrent pulmonary embolism.
    Asian cardiovascular & thoracic annals 01/2003; 10(4):342-3. DOI:10.1177/021849230201000415
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    ABSTRACT: Surgical therapy for aortic stenosis leads to reverse remodeling, with normalization of left ventricular hypertrophy (LVH). The aim of this study was to examine Renin-Angiotensin system (RAS) gene expression in this setting. Growing sheep (n=44) underwent supracoronary aortic banding for controlled induction of LVH at the age of 6 to 8 months (A=baseline). Surgical revision to completely release the pressure gradient was performed 8.3+/-1 months later (B). The animals were sacrificed after another 10.1+/-2 months (C). Along with hemodynamic measurements, subtractive hybridization and competitive polymerase chain reaction were applied to quantify mRNA expression for angiotensin-converting enzyme (ACE) and angiotensin receptors 1 and 2 (AT1-R and AT2-R). Left ventricular mass index was 82+/-21 g (A), 150+/-33 g (B), and 78+/-18 g (C), P<0.01. Left ventricular function and cardiac index remained stable. Myocardial fiber diameter was 11.3+/-0.8 (A), 15.9+/-1.2 (B), and 11.4+/-1 (C) microm, P<0.01. Gene expression was as follows: ACE 0.8+/-0.05 (A), 1.3+/-0.08 (B), and 0.9+/-0.06 (C), P<0.01; AT1-R 0.7+/-0.06 (A), 0.9+/-0.07 (B), and 0.3+/-0.04 (C), P<0.01; AT2-R 0.5+/-0.05 (A), 0.2+/-0.04 (B), and 0.5+/-0.05 (C), P<0.01. LVH in aortic stenosis coincides with significant alterations of the RAS. Surgical therapy leads to reverse remodeling, which is paralleled by regression of RAS gene expression.
    Circulation 10/2002; 106(12 Suppl 1):I23-6. · 14.95 Impact Factor
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    ABSTRACT: Endothelial papillary fibroelastomas represent a rare entity in cardiac pathology that at times may be associated with embolisation, angina, and sudden death. We report on a case of a 46-year-old woman with a papillary fibroelastoma originating on the chordae of the tricuspid valve. The tumour was discovered incidentally using transthoracic two-dimensional echocardiography. The patient had an uneventful recovery and remained free of symptoms after six months.
    Cardiovascular journal of South Africa: official journal for Southern Africa Cardiac Society [and] South African Society of Cardiac Practitioners 01/2002; 13(3):122-4.