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PURPOSE Gray scale image assessment in clinical ultrasound requires working in dim light or a dark room. Daylight conditions offer the advantage of shorter visual reaction time and enhanced visual perception. Look-up table manipulations could improve image brightness. MATERIALS AND METHODS We investigated the possibility of brightness and contrast(More)
OBJECTIVES The longevity of homografts is determined by the activation of the recipients' immune system resulting from allogenic antigen exposition. Fresh decellularized pulmonary homografts (DPH) have shown promising early results in pulmonary valve replacement in children and young adults and could potentially avoid significant activation of the immune(More)
BACKGROUND It has been suggested that thrombolysis in a feedback reaction may generate pro-coagulant activities. METHODS AND RESULTS Fifty-five patients were treated with urokinase-preactivated prourokinase (n = 35) or tissue-type plasminogen activator (n = 20) for acute myocardial infarction and underwent coronary angiography at 90 minutes and at 24-36(More)
1. Six male and six female stable renal allograft recipients under cyclosporine immunosuppression and without concomitant therapy with drugs known either to induce or inhibit CYP3A enzymes were included in the study and received 180 mg day-1 diltiazem for 1 week in a two-period cross-over fashion. Cyclosporine (352 +/- 56 mg day-1) was given in two daily(More)
BACKGROUND The presence of a bicuspid aortic valve (BAV) might be associated with a progressive dilatation of the aortic root and ascending aorta. However, involvement of the aortic arch and descending aorta has not yet been elucidated. PATIENTS AND METHODS Magnetic resonance angiography (MRA) was used to assess the diameter of the ascending aorta, aortic(More)
BACKGROUND ACE inhibition is an established treatment regimen in patients with congestive heart failure due to left ventricular dysfunction which improves morbidity and mortality. However, little is known about the beneficial effects of ACE inhibition in adult patients after Mustard procedure for transposition of the great arteries with heart failure(More)
OBJECTIVES The choice of valve prosthesis for aortic valve replacement (AVR) in young patients is challenging. Decellularized pulmonary homografts (DPHs) have shown excellent results in pulmonary position. Here, we report our early clinical results using decellularized aortic valve homografts (DAHs) for AVR in children and mainly young adults. METHODS(More)
OBJECTIVE The Fontan operation has been proposed as definitive palliation for an increasing variety of hearts with complex univentricular anatomy, but late morbidity after Fontan operation is still a matter of concern. This retrospective study evaluates the late outcome in patients with Fontan circulation. METHODS We included 121 consecutive patients that(More)
OBJECTIVE As mortality and morbidity after the Fontan operation has improved, long-term outcome, including developmental aspects, have become more important. To understand the long-term effects of this operation, we followed somatic development for up to 15 years. METHODS We evaluated 90 patients who underwent the Fontan operation between 1984 and 2004(More)