Ratiometric test strip and method

Details Ratiometric test strip and method Ratiometric test strip and method

G - Physics

01

N

G01N 31/22 (2006.01)

Patent

CA 2611906

The invention generally relates to devices, systems and methods adapted for use by patients for monitoring their own dietary intake of sodium without any need of laboratory facilities or collection of blood samples. The systems utilize test strips for measuring the concentration of analytes in urine, specifically, chloride and creatinine. Urinary chloride concentrations, normalized by creatinine concentrations to reduce variability contributed mainly by changing states of hydration serve as a conveniently monitored surrogate for salt intake by subjects, especially patients with hypertension or congestive heart failure who must control their salt intake carefully.

L'invention porte d'une manière générale sur des dispositifs, systèmes et procédés utilisables par des patients suivant un régime pour contrôler leur ingestion de sodium sans devoir recourir à un laboratoire ou à une prise de sang. Les systèmes utilisent des bandelettes tests pour mesurer la concentration d'analytes dans l'urine et spécifiquement le chlorure et la créatinine. Les concentrations urinaires en chlorure, normalisées par la concentration en créatinine pour réduire la variabilité due principalement aux variations de l'état d'hydratation, servent de substitut facile pour surveiller l'ingestion de sel par des sujets, et spécialement par des patients souffrant d'hypertension ou d'insuffisance cardiaque congestive, qui doivent surveiller soigneusement leur ingestion de sel.

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