The children (n = 544) studied varied in age from 4 h to 18 years. One or more off label and unlicensed prescriptions were given to 414 (76%) patients. Of the 2,130 prescriptions given during the 2-year period, more than one-half were unlicensed (11%) or off label (47%). While children aged 2-11 years received most of the unlicensed drug prescriptions (17%), neonates, who did not receive unlicensed drugs, led (64%) in the use of off label drugs. CONCLUSIONS. This study showed that the problem of off label and unlicensed drug use also exists in paediatric cardiology. The findings imply that the phenomenon of off label and unlicensed use of drugs in children can be correlated with the deficiency of paediatric drug formulations on the global market and insufficient data from clinical studies which must be performed to confirm the efficacy and safety of drugs in the paediatric population. Therefore, efforts to improve paediatric labelling are important and need the full support of all involved.

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Buckground: The idea to enter the normal pericardial sac safely was unrealistic until recently. The development of a novel instrument (PerDUCERO pericardial access device) for percutaneous access to the pericardium could potentially have a significant impact, not only on patients with pericardial diseases but even more, or primarily, on diagnosis and treatment of myocardial and coronary disease and arrhythmias. Hypothesis: The overall objective of the present study was to evaluate the feasibility and safety of the percutaneous pericardial access with PerDUCER in patients with pericardial disease, and to analyze our initial experience with this new technique, with particular emphasis on sequential procedural steps. Methods: The device was studied in five patients with pericardial disease (two men, mean age 50.4 years, range 30-68, four with normal body mass index). The procedure consists of two distinct techniques: (1) access to the mediastinal space, and (2) pericardial capture, puncture, and insertion of the guidewire. Access to the mediastinal space includes the introduction of a blunt cannula, a 0.038 guidewire, a dilator-introducer sheath set, and insertion of the PerDUCER device. Key points of the PerDUCER procedure are as follows: introduction of the blunt cannula without resistance, placement of the dilator-introducer sheath at the upper third of the heart, systolic movements of the PerDUCER device, successful vacuum and capture of pericardium, puncture and introduction of the intrapericardial guidewire.

Routine dobutamine addition to dipyridamole stress testing is clinically useful and well tolerated. It expands the spectrum of the disease detectable by pharmacologic stress echocardiography and allows documentation of milder forms of coronary artery disease that can be missed by conventional dipyridamole or dobutamine stress echocardiography.

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