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ORIGINAL ARTICLE
Year : 2019  |  Volume : 24  |  Issue : 4  |  Page : 109-114

Use of point-of-care ultrasound for the assessment of intravascular volume in five rural New Zealand hospitals


1 Department of GP and Rural Health, University of Otago, Dunedin, New Zealand
2 Medical Research Centre, University of Waikato and Waikato District Health Board, Hamilton, New Zealand
3 School of Population Health, University of Auckland, Auckland, New Zealand

Correspondence Address:
Dr. Garry Nixon
Department of GP and Rural Health, University of Otago, Dunedin
New Zealand
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/CJRM.CJRM_26_18

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Introduction: Measuring the diameter of the inferior vena cava (IVC) or the height of the jugular venous pressure (JVP) with point-of-care ultrasound (POCUS) is a practical alternative method for estimating a patient's intravascular volume in the rural setting. This study aims to determine whether or not POCUS of the IVC or JVP generates additional useful clinical information over and above routine physical examination in this context. Methods: Twenty generalist physicians, working in five New Zealand rural hospitals, recorded their estimation of a patient's intravascular volume based on physical examination and then again after performing POCUS of the IVC or JVP, using a visual scale from 1 to 11. Results: Data were available for 150 assessments. There was an only moderate agreement between the pre- and post-test findings (Spearman's correlation coefficient = 0.46). In 28% (42/150) of cases, the difference was four or more points on the scale, and therefore, had the potential to be clinically significant. Conclusion: In the rural context, POCUS provides new information that frequently alters the clinician's estimation of a patient's intravascular volume.


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