Do we need to monitor cardiac output in spontaneously breathing patients?

Gruenewald, Matthias; Renner, Jochen

doi:10.1111/anae.12951

Cited by 1 publication

(1 citation statement)

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“…Advanced haemodynamic monitoring in spontaneously breathing, awake subjects may be particularly beneficial in the early identification of postoperative complications [6]. It remains unclear which haemodynamic indices are of value in spontaneously breathing subjects, as normal breathing may affect indices such as pulse pressure variation (PPV) or stroke volume variation (SVV), which are absent during mechanical ventilation [7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Detection of volume loss using the Nexfin device in blood donors

et al. 2015

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SummaryWe investigated which haemodynamic parameters derived from Nexfin non-invasive continuous arterial blood pressure measurements are optimal to detect controlled volume loss in spontaneously breathing subjects. Haemodynamic monitoring was performed in 40 whole-blood donors. Mean arterial pressure, cardiac index, systemic vascular resistance index and pulse pressure variation were recorded during controlled breathing, and a Valsalva manoeuvre was performed before and after blood donation. Blood donation resulted in a reduction in cardiac index (from 3.96 AE 0.84 l.min .m 2 ; p < 0.001) and an increase in pulse pressure variation (from 13.4 AE 5.1 to 15.3 AE 5.4%; p = 0.02). The area under the receiver operating characteristic curve to detect volume loss was highest for cardiac index (0.94, 95% CI 0.88-0.99) and systemic vascular resistance (0.90, 95% CI 0.82-0.99). Nexfin is a non-invasive haemodynamic monitor that can feasibly detect volaemic changes in spontaneously breathing subjects.

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