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System for determining endothelial dependent vasoactivity

  • US 7,374,541 B2
  • Filed: 12/03/2003
  • Issued: 05/20/2008
  • Est. Priority Date: 12/09/2002
  • Status: Expired due to Fees
First Claim
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1. A method of determining endothelial dependent vasoactivity of a subject, the method comprising:

  • recording pressure-related signals of a plurality of locations adjacent to at least one blood vessel;

    extracting parameters from said pressure-related signals, said parameters comprise a first parameter, sensitive to arterial radius changes at the initial stage of arterial dilatation, and a second parameter, sensitive to arterial radius changes at larger arterial dilatation;

    using said parameters to determine a change of at least one characteristic of said at least one blood vessel, said change being representative of endothelial functioning;

    determining the endothelial dependent vasoactivity of the subject using said parameters; and

    displaying at least an indication of said endothelial dependent vasoactivity.

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