Rev Esp Cardiol
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Treatment of arterial pulmonary hypertension with epoprostenol (intravenous prostacyclin) improves survival and quality of life, but the need for an implanted central venous catheter is associated with frequent complications, that often (as in the case of infection or dislodgment) are serious and require catheter replacement. Treprostinil is a prostacyclin analogue suitable for continuous subcutaneous administration. We report the successful transition from intravenous epoprostenol to subcutaneuos treprostinil in four patients with severe pulmonary hypertension who suffered from serious complications associated with the epoprostenol infusion system.
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The propensity for spontaneous and tilt-induced neurocardiogenic syncope may exhibit temporal variations. Therefore the diagnostic performance of the head-up tilt test could be improved if it were performed soon after the occurrence of spontaneous syncope. The objective of this study was to assess whether the time interval between the last syncopal episode and tilt table testing influenced the outcome of the test. ⋯ The time from the last previous spontaneous syncope to the head-up tilt test does not have a significant impact on test outcome in the overall population with suspected neurocardiogenic syncope. However, the rate of positivity might decrease in men and patients older than 50 years if the test is performed later than one month after the spontaneous syncopal episode.