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2. Non-invasive continuous arterial pressure and pulse pressure variation measured with Nexfin(®) in patients following major upper abdominal surgery: a comparative study.

Author

Wilde, R. B. P., Wit, F., Geerts, B. F., Vliet, A. L., Aarts, L. P. H. J., Vuyk, J., Jansen, J. R. C., de Wilde, R B P, de Wit, F, and van Vliet, A L

Subjects
BLOOD pressure, RADIAL artery, CARDIAC catheterization, ABDOMINAL surgery, BLAND-Altman plot, HEMODYNAMICS, ARTERIAL physiology, BLOOD pressure measurement, COMPARATIVE studies, RESEARCH methodology, MEDICAL cooperation, POSTOPERATIVE care, RESEARCH, RESEARCH evaluation, PRODUCT design, EVALUATION research, BLOOD pressure testing machines, EQUIPMENT & supplies
Abstract

We compared the accuracy and precision of the non-invasive Nexfin(®) device for determining systolic, diastolic, mean arterial pressure and pulse pressure variation, with arterial blood pressure values measured from a radial artery catheter in 19 patients following upper abdominal surgery. Measurements were taken at baseline and following fluid loading. Pooled data results of the arterial blood pressures showed no difference between the two measurement modalities. Bland-Altman analysis of pulse pressure variation showed significant differences between values obtained from the radial artery catheter and Nexfin finger cuff technology (mean (SD) 1.49 (2.09)%, p < 0.001, coefficient of variation 24%, limits of agreement -2.71% to 5.69%). The effect of volume expansion on pulse pressure variation was identical between methods (concordance correlation coefficient 0.848). We consider the Nexfin monitor system to be acceptable for use in patients after major upper abdominal surgery without major cardiovascular compromise or haemodynamic support. [ABSTRACT FROM AUTHOR]

Published
2016
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3. Non-invasive continuous arterial pressure and pulse pressure variation measured with Nexfin(®) in patients following major upper abdominal surgery: a comparative study.

Author

de Wilde RB, de Wit F, Geerts BF, van Vliet AL, Aarts LP, Vuyk J, and Jansen JR

Subjects
Arterial Pressure physiology, Equipment Design, Female, Humans, Male, Middle Aged, Postoperative Care instrumentation, Reproducibility of Results, Abdomen surgery, Blood Pressure physiology, Blood Pressure Determination instrumentation, Blood Pressure Determination methods, Blood Pressure Monitors, Postoperative Care methods
Abstract

We compared the accuracy and precision of the non-invasive Nexfin(®) device for determining systolic, diastolic, mean arterial pressure and pulse pressure variation, with arterial blood pressure values measured from a radial artery catheter in 19 patients following upper abdominal surgery. Measurements were taken at baseline and following fluid loading. Pooled data results of the arterial blood pressures showed no difference between the two measurement modalities. Bland-Altman analysis of pulse pressure variation showed significant differences between values obtained from the radial artery catheter and Nexfin finger cuff technology (mean (SD) 1.49 (2.09)%, p < 0.001, coefficient of variation 24%, limits of agreement -2.71% to 5.69%). The effect of volume expansion on pulse pressure variation was identical between methods (concordance correlation coefficient 0.848). We consider the Nexfin monitor system to be acceptable for use in patients after major upper abdominal surgery without major cardiovascular compromise or haemodynamic support., (© 2016 The Association of Anaesthetists of Great Britain and Ireland.)

Published
2016
Full Text
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