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Targeting two different levels of both arterial carbon dioxide and arterial oxygen after cardiac arrest and resuscitation: a randomised pilot trial.


ABSTRACT: PURPOSE:We assessed the effects of targeting low-normal or high-normal arterial carbon dioxide tension (PaCO2) and normoxia or moderate hyperoxia after out-of-hospital cardiac arrest (OHCA) on markers of cerebral and cardiac injury. METHODS:Using a 23 factorial design, we randomly assigned 123 patients resuscitated from OHCA to low-normal (4.5-4.7 kPa) or high-normal (5.8-6.0 kPa) PaCO2 and to normoxia (arterial oxygen tension [PaO2] 10-15 kPa) or moderate hyperoxia (PaO2 20-25 kPa) and to low-normal or high-normal mean arterial pressure during the first 36 h in the intensive care unit. Here we report the results of the low-normal vs. high-normal PaCO2 and normoxia vs. moderate hyperoxia comparisons. The primary endpoint was the serum concentration of neuron-specific enolase (NSE) 48 h after cardiac arrest. Secondary endpoints included S100B protein and cardiac troponin concentrations, continuous electroencephalography (EEG) and near-infrared spectroscopy (NIRS) results and neurologic outcome at 6 months. RESULTS:In total 120 patients were included in the analyses. There was a clear separation in PaCO2 (p?

SUBMITTER: Jakkula P 

PROVIDER: S-EPMC6280824 | BioStudies | 2018-01-01

REPOSITORIES: biostudies

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