Document Detail


Iloprost Improves Gas Exchange in Patients with Pulmonary Hypertension and ARDS.
MedLine Citation:
PMID:  23370599     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
AIMS AND OBJECTIVES: We hypothesized that nebulized iloprost would improve ventilation perfusion matching in patients with pulmonary hypertension and acute respiratory distress syndrome (ARDS) as reflected by an improved PaO2/FIO2 ratio and PaO2 without adversely affecting lung mechanics or systemic hemodynamics. METHODS: ARDS patients with pulmonary hypertension were enrolled. With constant ventilator settings, hemodynamics, airway pressures and gas exchange measured at baseline were compared to values 30 min after 10 mcg nebulized Iloprost, and again 30 min after a second dose of 20 mcg of iloprost and finally 2 h after the second dose. The primary outcome variable was PaO2 while secondary outcomes were PaO2/FIO2 ratio, mean arterial BP, and lung compliance ventilatory equivalents for O2 and CO2. RESULTS: After informed consent was obtained 20 patients (9 male and 11 female, median age 59 ((IQR 44 to 66)) years, with ARDS were enrolled. Baseline PaO2 improved from 82(±13) mmHg to 100(±25) and 100(±25) mmHg after the 1st and 2nd doses of iloprost respectively, while, PaO2/FIO2 ratio of 177(±60) improved to 213(±67) and 212(±70) (all p<0.01). PaCO2, peak and plateau airway pressures, systemic blood pressure and heart rate were not significantly changed after iloprost. CONCLUSIONS: The improvement in gas exchange without any detrimental effects on pulmonary mechanics or systemic hemodynamics suggests nebulized iloprost may be a useful therapeutic agent to improve oxygenation in patients with ARDS.ClinTrials.gov NCT01274481.
Authors:
Eva Sawheny; Ashley L Ellis; Gary T Kinasewitz
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-31
Journal Detail:
Title:  Chest     Volume:  -     ISSN:  1931-3543     ISO Abbreviation:  Chest     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-2-1     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0231335     Medline TA:  Chest     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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