abstract Background: Vitamin D deficiency has been described as being pandemic, but
serum 25-hydroxyvitamin D [25 (OH) D] distribution data for the European Union are of very …

Cardiac neurotransmission imaging with SPECT and PET allows in vivo assessment of
presynaptic reuptake and neurotransmitter storage as well as of regional distribution and …

The autonomic nervous system plays a key role for regulation of cardiac performance, and
the importance of alterations of innervation in the pathophysiology of various heart diseases …

Background—Little is known about the progressiveness of sympathetic reinnervation late
after cardiac transplantation (HTX). The aim of the present study was to describe individual …

Background Late after cardiac transplantation, limited reinnervation of the transplanted heart
may occur, but little is known about the effect of reinnervation on cardiac function and …

Background—Regional cardiac sympathetic hyperactivity predisposes to malignant
arrhythmias in nondiabetic cardiac disease. Conversely, however, cardiac sympathetic …

The noninvasive functional characterization of the cardiac sympathetic nervous system by
imaging techniques may provide important pathophysiological information in various cardiac …

The defense of body temperature against environmental thermal challenges is a core
objective of homeostatic regulation governed by the autonomic nervous system …

Positron emission tomography in combination with the newly introduced catecholamine
analogue [11C] hydroxyephedrine ([11C] HED) enables the noninvasive delineation of …

Background—The frequent provocation of ventricular tachycardia by stress or
catecholamines and the efficacy of antiarrhythmic drugs with antiadrenergic properties …