Method of screening for disorders of glucose metabolism
First Claim
1. A method of screening a subject for disorders of glucose metabolism, comprising the steps of:
- obtaining at least a portion of a glucose concentration profile for the subject using;
a noninvasive blood glucose concentration analyzer, said profile comprising a plurality of blood glucose values after ingestion of food and said profile being obtained within five hours of said ingestion of food;
evaluating shape of said profile using one or more parameters of said shape; and
classifying said subject into at least one predetermined cluster using evaluation of said shape,wherein said cluster comprises at least one ofdiabetes;
impaired glucose tolerance;
normal physiological response; and
low glucose tolerance;
wherein classifying said subject provides information concerning said subject'"'"'s condition to said subject and/or a practitioner.
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Abstract
A method of screening for disorders of glucose metabolism such as impaired glucose tolerance and diabetes allows prevention, or early detection and treatment of diabetic complications such as cardiovascular disease, retinopathy, and other disorders of the major organs and systems. A mathematical algorithm evaluates the shape of a subject'"'"'s glucose profile and classifies the profile into one of several predefined clusters, each cluster corresponding either to a normal condition or one of several abnormal conditions. The series of blood glucose values making up the glucose tolerance curve may be measured using any glucose analyzer including: invasive, minimally invasive and noninvasive types. The method is executed on a processing device programmed to perform the steps of the method. Depending on the outcome of the screening, a subject may be provided with additional information concerning their condition and/or counseled to consult further with their health care provider.
357 Citations
24 Claims
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1. A method of screening a subject for disorders of glucose metabolism, comprising the steps of:
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obtaining at least a portion of a glucose concentration profile for the subject using; a noninvasive blood glucose concentration analyzer, said profile comprising a plurality of blood glucose values after ingestion of food and said profile being obtained within five hours of said ingestion of food; evaluating shape of said profile using one or more parameters of said shape; and classifying said subject into at least one predetermined cluster using evaluation of said shape, wherein said cluster comprises at least one of diabetes; impaired glucose tolerance; normal physiological response; and low glucose tolerance; wherein classifying said subject provides information concerning said subject'"'"'s condition to said subject and/or a practitioner. - View Dependent Claims (2, 3, 4, 5, 6, 7, 20, 21, 22, 23, 24)
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8. A method of screening a subject for disorders of glucose metabolism, comprising the steps of:
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obtaining at least a portion of a glucose concentration profile using any of; a noninvasive blood glucose concentration analyzer; a minimally invasive blood glucose concentration analyzer; and an invasive blood glucose concentration analyzer, said profile comprising a plurality of blood glucose values after ingestion of food and said profile being obtained within five hours of said ingestion of food; evaluating shape of said profile using one or more parameters of said shape; and classifying said subject into at least one predetermined cluster using evaluation of said shape; wherein classifying said subject provides information concerning said subject'"'"'s condition to said subject and/or a practitioner, wherein said evaluation step comprises;
determining a weight for each of said parameters using a fuzzy algorithm. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification