New accurate, non invasive method for blood sugar estimation developed

Published On 2020-07-31 07:00 GMT | Update On 2020-07-31 10:03 GMT

Researchers have developed a new accurate metabolic heat conformation (MHC) method, for the noninvasive measurement of blood sugar. The new method can be used in non-thermal equilibrium states also like after food. The research was presented at meeting of American Diabetic Association.

A traditional non-invasive blood sugar measurement system based on the method of metabolic heat conformation (MHC) consists of three temperature sensors, two humidity sensors, an infrared sensor and an optical measurement device. The blood sugar level can be deduced from the quantity of heat dissipation, blood flow rate of local tissue and degree of blood oxygen saturation.

The traditional metabolic heat conformation (MHC) method can be used for non-invasive blood sugar measurements when the body is in thermal equilibrium state. But in non-thermal equilibrium state, such as after meals, the traditional method may result in a poor accuracy.

Hock Tan and Zonyang HE at Novanex Inc. North Brunswick, New Jersey, United States have proposed a new method by extending the MHC principle to cover non-equilibrium state and develop a new measurement standard and calculation algorithm.

Results from new clinical trials using this new method show significant improvement in accuracy of blood sugar measurements. The blood sugar measurement for the new algorithm is the sum of the blood sugar in equilibrium state and the blood sugar increase in non-equilibrium state.

Results from clinical trials using this new method show significant improvement in accuracy of blood sugar measurements. Compared with the traditional MHC method, measurements using the new method results in improvement in correlation coefficients with intravenous blood-draw glucose concentration from 0.71 to 0.93 (for fasting measurements), from 0.61 to 0.93 (for measurements of 2 hours after a meal) and from 0.63 to 0.89 (for measurements of 3.5 hours after a meal). Applying Parkes Error Standard analysis, in the traditional MHC method, Range A (relative error does not exceed ±20%) accounts only for 54.3%, Range B (relative error does not exceed ±50%) accounts for 39.6%. In the new method, Range A accounts for 81.1%, and Range B accounts for 16.2%.

For further reference log on to:

Diabetes 2020 Jun; 69(Supplement 1): -.https://doi.org/10.2337/db20-70-LB

Article Source : American Diabetic Association

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Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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New accurate, non invasive method for blood sugar estimation developed

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