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Enfermería Global

On-line version ISSN 1695-6141


SIMARRO BLASCO, J.A. et al. Comparative study of invasive blood pressure versus non-invasive blood pressure. Enferm. glob. [online]. 2011, vol.10, n.24. ISSN 1695-6141.

In clinical practice, blood pressure is an important parameter in patient critic hemodynamic valuation. There are two ways of measuring: Invasive Pressure (IP) and Non Invasive Pressure (NIP). As objectives, we set ourselves the task of comparing the difference between both forms of measurement, assessing the possible differences by arterial location, age and sex, assessing the influence of mechanical ventilation, inotropic drugs and casework in invasive blood pressure difference (IP) and non invasive arterial pressure (NIP). We sought to identify its clinical significance and estimate the reliability of the NIP. We conducted a descriptive, longitudinal and comparative study between March and December 2008. Sex, age and arterial location (hemi-body and artery) were analyzed. We have included patients with artery with optimal curve and calibration at the time of measurement in decubitus. NIP was taken in both arms at an interval of five minutes, and IP was recorded at the same time. Analysis was with SPSS 15.0. The difference was analyzed in 109 patients with statistically significant differences in any scanned parameters. Under discussion and conclusions we propose that the differences found are not clinically significant and therefore the IP and the NIP are reliable in optimal calibration state.

Keywords : Intensive care; determination of blood pressure; effect of drugs; nursing; blood pressure; artificial respiration; systolic pressure and diastolic pressure.

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