System for determining endothelial dependent vasoactivity
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 at least one parameter from said pressure-related signals; and
using said at least one parameter to determine a change of at least one characteristic of said at least one blood vessel, said change being representative of endothelial functioning;
thereby determining the endothelial dependent vasoactivity of the subject.
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Abstract
A method of determining endothelial dependent vasoactivity of a subject, the method is effected by recording pressure-related signals of a plurality of locations adjacent to at least one blood vessel; extracting at least one parameter from the pressure-related signals; and using the at least one parameter to determine a change of at least one characteristic of the at least one blood vessel, the change being representative of endothelial functioning; thereby determining the endothelial dependent vasoactivity of the subject.
27 Citations
55 Claims
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1. A method of determining endothelial dependent vasoactivity of a subject, the method comprising:
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recording pressure-related signals of a plurality of locations adjacent to at least one blood vessel;
extracting at least one parameter from said pressure-related signals; and
using said at least one parameter to determine a change of at least one characteristic of said at least one blood vessel, said change being representative of endothelial functioning;
thereby determining the endothelial dependent vasoactivity of the subject. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A system for determining endothelial dependent vasoactivity of a subject, the system comprising:
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an arrangement of sensors for recording pressure-related signals of a plurality of locations adjacent to at least one blood vessel;
a processing unit operable to receive, record and process said pressure-related signals;
said processing unit being designed and programmed to extract at least one parameter from said pressure-related signals, and to use said at least one parameter to determine a change of at least one characteristic of said at least one blood vessel, said change being representative of endothelial functioning. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44)
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45. A method of determining endothelial dependent vasoactivity of a subject, the method comprising:
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(a) applying a first stimulus to at least one blood vessel;
(b) measuring a pulse wave velocity of blood flowing in said at least one blood vessel;
(c) determining an autonomic nervous system activity of the subject;
(d) correlating said pulse wave velocity and said autonomic nervous system activity, so as to obtain a correlation function having an index; and
(e) if said index has a predetermined value then;
(i) applying a second stimulus on said at least one blood vessel; and
(ii) repeating said steps (b)-(c);
thereby determining the endothelial dependent vasoactivity of the subject. - View Dependent Claims (46, 47, 48, 49, 50, 51, 52, 53, 54, 55)
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Specification