Andrea Kuenzli

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Broad-range PCR amplification of part of the 16S rRNA gene followed by single-strand sequencing was applied to samples of 18 resected heart valves from patients with infective endocarditis. The PCR results were compared with those of cultures of valves and with those of previous blood cultures. For two patients there was agreement with the cultures of the(More)
OBJECTIVE Prospective evaluation of early stent-graft repair of acute traumatic aortic rupture. METHODS Twelve patients with acute traumatic aortic rupture of the descending aorta, out of a series of 337 endovascular aortic procedures, were treated by implantation of self-expanding stent-grafts. The procedures were performed within a mean post-injury(More)
OBJECTIVE In a prospective, randomized study, postoperatively prolonged antibiotic prophylaxis is evaluated in a high-risk group of patients undergoing cardiac operations. These patients had postoperative low cardiac output necessitating inotropic support and intraaortic balloon pumping. METHODS Between January 1991 and 1994, 53 patients were enrolled in(More)
INTRODUCTION acute haemodynamic changes and/or loss of abdominal muscle tone can occur during induction of general anaesthesia and may be the Achilles' tendon in endovascular aneurysm repair (EVAR) of ruptured aortoiliac aneurysms (rAIA). The purpose of this study was to evaluate the use of local anaesthesia (LA) for EVAR to overcome these limitations. (More)
Both endothelin-A (ETA) and endothelin-B (ETB) receptors are known to be present in human coronary arteries. However, their absolute and relative amounts, functional roles, and the influence of pathology are uncertain. The goal of the present study was to characterize endothelin receptors mediating constriction in human coronary arteries and to assess the(More)
BACKGROUND Graft coronary artery disease (CAD) is an increasingly important problem during long-term survival after heart transplantation, but the importance of cellular rejection, in particular late after transplantation, remains undetermined. METHODS AND RESULTS We analyzed 492 coronary angiographies (967+/-705 days after transplantation; range, 49 days(More)
OBJECTIVE Life expectancy of cryopreserved allografts implanted in infants is different from those implanted in adults. A morphological study of explanted allograft heart valves was performed to determine the mechanism of deterioration and to compare cryopreserved arterial and heart valve allografts from adult patients with those explanted from infants. (More)
BACKGROUND Cardiac allograft vasculopathy after heart transplantation leads to an accelerated form of atherosclerosis with marked and often diffuse vessel wall changes that limit long-term survival. Previous studies showed contradictory results relating vessel wall changes to endothelial vasodilator response. METHODS A total of 30 cardiac transplant(More)
BACKGROUND Following mitral valve replacement, surgical closure of paravalvular leaks is usually advised in severely symptomatic patients and in those requiring blood transfusions for persisting haemolysis. However, the long-term prognosis of less symptomatic patients or those not needing blood transfusions is unknown. METHODS Between 1987 and 1997, we(More)
OBJECTIVES Medical treatment is generally advocated for patients with acute type B aortic dissection without complications. The objective of this retrospective analysis was to determine whether there are any initial findings that can help predict the long-term course of the disease. METHODS Case records of the 130 patients treated for type B aortic(More)