Out of our reach? Assessing the impact of introducing a critical care outreach service

✍ Scribed by A. J. Pittard

• Publisher: John Wiley and Sons
• Year: 2003
• Tongue: English
• Weight: 621 KB
• Volume: 58
• Category: Article
• ISSN: 0003-2409
• DOI: 10.1046/j.1365-2044.2003.03331.x

✦ Synopsis

Summary

Fifteen healthy volunteers were exposed to a stepwise increase in F~I~O~2~ between 0.21 and 1.0, and their haemodynamic responses were measured with a non‐invasive transthoracic bio‐impedance monitor. There was mean reduction in cardiac index from 3.44 to 3.08 l.min^−1^.m^−2^ (10.7%, p < 0.001). The mean reduction in heart rate was from 77.3 to 69.1 beats.min^−1^ (10.5%, p < 0.001) and the mean systemic vascular index increased from 2062 to 2221 dyne.s^−1^.cm^−5^.m^−2^ (7.7%, p < 0.025). There were no significant changes in stroke index or mean arterial pressure. These changes are similar quantitatively and qualitatively to those previously reported by dye dilution techniques.