2016
DOI: 10.1159/000446650
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Non-Invasive Haemodynamic Monitoring in Pregnancy: A Comparative Study Using Ultrasound and Bioreactance

Abstract: Background: Due to the importance of cardiovascular dysfunction and advances in the development and use of non-invasive cardiac output (CO) monitoring devices, there is a growing interest in their use in the obstetric population. The aim of this study was to compare two commercially available, non-invasive CO monitors in the assessment of heart rate (HR), stroke volume (SV), CO, cardiac index (CI) and total peripheral resistance (TPR) in an obstetric population. Methods: This was a prospective, comparative stu… Show more

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Cited by 14 publications
(8 citation statements)
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“…The bio-impedance technique may be criticized as being less valid than maternal echocardiography or dye dilution plasma volume measurements, however our results are in line with these so- called gold standard methods [23] and with other reports [24]. It should be appreciated that, similar to other reported methods [25], the bio- impedance methodology is very easy to perform with very low inter- and intra-observer variabilities, allowing a general application with a minimum of training or expertise. The total cardiovascular protocol is cheap and time efficient (15 min).…”
Section: Discussionsupporting
confidence: 89%
“…The bio-impedance technique may be criticized as being less valid than maternal echocardiography or dye dilution plasma volume measurements, however our results are in line with these so- called gold standard methods [23] and with other reports [24]. It should be appreciated that, similar to other reported methods [25], the bio- impedance methodology is very easy to perform with very low inter- and intra-observer variabilities, allowing a general application with a minimum of training or expertise. The total cardiovascular protocol is cheap and time efficient (15 min).…”
Section: Discussionsupporting
confidence: 89%
“…However, there were a number of protocol differences compared with our study which may explain their differing results. They used a bio‐reactance based non‐invasive cardiac monitor, but the reference values for this device in the obstetric population have yet to be determined . All women received a preload of 1‐l Hartmann's solution, the legs were raised to 30° rather than 45°, and all measurements were made with 15° left lateral tilt.…”
Section: Discussionmentioning
confidence: 99%
“…We have previously demonstrated the differences in hemodynamic indices in normotensive and hypertensive pregnancies obtained using two different devices, USCOM-1A ® and NICOM ® , highlighting that they cannot be used interchangeably 6 . Similarly, we have previously compared these two non-invasive devices to transthoracic echocardiography, showing good agreement only in the third trimester for each device 7 .…”
Section: Introductionmentioning
confidence: 99%