• Anesthesia and analgesia · Mar 2006

    Comparative Study

    Vasotrac arterial blood pressure and direct arterial blood pressure monitoring during liver transplantation.

    • James Y Findlay, Bhargavi Gali, Mark T Keegan, Christopher M Burkle, and David J Plevak.
    • Department of Anesthesiology, Mayo Clinic College of Medicine, Rochester Minnesota 55905, USA. findlay.james@mayo.edu
    • Anesth. Analg. 2006 Mar 1;102(3):690-3.

    AbstractDuring liver transplantation two arterial catheters are often placed. The Vasotrac is a noninvasive monitor that provides radial arterial blood pressures by a tonometric method. We investigated whether the Vasotrac would be an accurate substitute for an arterial catheter by comparing Vasotrac blood pressures with simultaneous direct radial blood pressures recorded from the contralateral arm in 14 patients undergoing liver transplantation. Correlation between the two methods was calculated and a Bland-Altman analysis performed to assess agreement. A total of 6468 simultaneous measurements were made over a duration of 1.5-7.5 h per case. For mean arterial blood pressure 57% of Vasotrac measurements were within 10% of direct arterial measurement. Correlation (r) was 0.82. Vasotrac bias was +5.4 mm Hg and limits of agreement were +/-18.6 mm Hg. For systolic arterial blood pressure 65% of Vasotrac measurements were within 10% of direct arterial measurement. Correlation was 0.78. Vasotrac bias was +7.6 mm Hg and limits of agreement +/-25 mm Hg. For diastolic arterial blood pressure 57% of Vasotrac measurements were within 10% of direct arterial measurement. Correlation was 0.82. Vasotrac bias was +3.3 mm Hg and limits of agreement +/-15 mm Hg. We conclude that the Vasotrac is not adequately accurate to substitute for direct arterial blood pressure monitoring in liver transplantation.

      Pubmed     Full text   Copy Citation     Plaintext  

      Add institutional full text...

    Notes

     
    Knowledge, pearl, summary or comment to share?
    300 characters remaining
    help        
    You can also include formatting, links, images and footnotes in your notes
    • Simple formatting can be added to notes, such as *italics*, _underline_ or **bold**.
    • Superscript can be denoted by <sup>text</sup> and subscript <sub>text</sub>.
    • Numbered or bulleted lists can be created using either numbered lines 1. 2. 3., hyphens - or asterisks *.
    • Links can be included with: [my link to pubmed](http://pubmed.com)
    • Images can be included with: ![alt text](https://bestmedicaljournal.com/study_graph.jpg "Image Title Text")
    • For footnotes use [^1](This is a footnote.) inline.
    • Or use an inline reference [^1] to refer to a longer footnote elseweher in the document [^1]: This is a long footnote..

    hide…