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Continuous intravenous iloprost to revert treatment failure of first-line inhaled iloprost therapy in patients with idiopathic pulmonary arterial hypertension.
- Source :
-
Clinical research in cardiology : official journal of the German Cardiac Society [Clin Res Cardiol] 2007 Apr; Vol. 96 (4), pp. 211-7. Date of Electronic Publication: 2007 Feb 15. - Publication Year :
- 2007
-
Abstract
- Aims: To describe the clinical and haemodynamic effects during the first 6 months of continuous intravenous iloprost treatment in patients with idiopathic pulmonary arterial hypertension (IPAH) and relevant disease progression despite continued mono therapy with aerosolized iloprost.<br />Methods and Results: Twenty-four IPAH patients with clinical decompensation to NYHA class IV despite therapy with aerosolized iloprost and optimized conservative treatment were assessed clinically, haemodynamically and by cardiopulmonary exercise testing for at least 6 months. Upon switching from inhaled to intravenous iloprost all patients improved clinically (NYHA III) while pulmonary vascular resistance (PVR) and right atrial pressure decreased from 2386 +/- 243 to 1381 +/- 124 dyne .s .cm(-5) and 12 +/- 1 to 8.5 +/- 1 mmHg, respectively (both p < 0.05). Despite this acute improvement haemodynamic (PVR increased from 1462+/-223 to 1978 +/- 327 dyne .s .cm(-5)) and clinical (4 deaths, 4 transplantations) deterioration occurred with continued intravenous treatment during the following 6 months.<br />Conclusions: In the group of patients described in this report the clinical and haemodynamic deterioration occurring while on mono therapy with inhaled iloprost could be stopped by switching to continuous application of intravenous iloprost. However, with continued intravenous therapy only a subgroup of patients could clinically be stabilized and transplanted successfully.
- Subjects :
- Administration, Inhalation
Adult
Exercise Tolerance drug effects
Female
Germany epidemiology
Heart Atria drug effects
Humans
Hypertension, Pulmonary mortality
Hypertension, Pulmonary physiopathology
Hypertension, Pulmonary surgery
Infusions, Intravenous
Lung Transplantation
Male
Middle Aged
Pulmonary Artery physiopathology
Severity of Illness Index
Treatment Failure
Vascular Resistance drug effects
Antihypertensive Agents administration & dosage
Hypertension, Pulmonary drug therapy
Iloprost administration & dosage
Pulmonary Artery drug effects
Vasodilator Agents administration & dosage
Subjects
Details
- Language :
- English
- ISSN :
- 1861-0684
- Volume :
- 96
- Issue :
- 4
- Database :
- MEDLINE
- Journal :
- Clinical research in cardiology : official journal of the German Cardiac Society
- Publication Type :
- Academic Journal
- Accession number :
- 17294349
- Full Text :
- https://doi.org/10.1007/s00392-007-0490-3