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Successful management of an inadvertent excessive treprostinil overdose

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Author(s): Hohenforst-Schmidt W | Hornig J | Friedel N | Zarogoulidis P | Zarogoulidis K | Brachmann J

Journal: Drug Design, Development and Therapy
ISSN 1177-8881

Volume: 2013;
Issue: default;
Start page: 161;
Date: 2013;
Original page

ABSTRACT
Wolfgang Hohenforst-Schmidt,1 Juergen Hornig,2 Norbert Friedel,3 Paul Zarogoulidis,1,4 Konstantinos Zarogoulidis,4 Johannes Brachmann11II Medical Clinic, Coburg Clinic, University of Würzburg, Coburg, Germany; 2Department of Cardiology, Bayreuth Clinic, University of Erlangen, Bayreuth, Germany; 3Department of Cardiac Surgery, “Bayreuth Clinic”, University of Erlangen, Bayreuth, Germany; 4Pulmonary Department, G Papanikolaou, General Hospital, Aristotle University of Thessaloniki, Thessaloniki, GreeceAbstract: Pulmonary hypertension is defined by 25 mmHg pressure at rest, and 35 mmHg pressure at exercise, in the pulmonary arteries. Hypertension either primary or secondary. The exact prevalence of all types of pulmonary hypertension is not yet known. We present a case of a 58-year-old female patient suffering from CREST syndrome, Raynaud’s syndrome, esophageal motility impairment, and severe pulmonary hypertension who had previously obtained a specially developed implantable pump, named Lenus Pro®, to facilitate continuous parenteral treatment of pulmonary arterial hypertension with treprostinil. Treprostinil is a prostanoid derivative with very stable physiochemical properties which allows subcutaneous treatment of pulmonary arterial hypertension in the outpatient. Treprostinil is normally dosed individually in a range of 0.6 to 50 ng/kg/minute. In the underlying case, a dose of more than 100 mg given over 1 minute is equivalent to a 1000 fold overdose. The patient’s critical condition required installment of a central venous access, full monitoring, sedation, oxygen nasal tube, fluid balance, and parenteral nutrition. The patient could be hemodynamically stabilized within 24 hours after the overdose. After 6 days of recovery, the patient left the hospital with no remaining health impairment.Keywords: pulmonary hypertension, ICU, overdose, treprostinil, Raynaud’s syndrome, CREST syndrome
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