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Abstract #3876

Development of Relaxometry Methods and Hardware for Routine Determination of Volume Status: Dialysis Pilot Study

Lina Avancini Colucci1, Matthew Li1, Kristin Corapi2, Andrew Allegretti2, Rayhnuma Ahmed2, Herbert Y. Lin2, and Michael J. Cima3

1Health Sciences and Technology (HST), MIT, Cambridge, MA, United States, 2Division of Nephrology, Massachusetts General Hospital, Boston, MA, United States, 3Materials Science and Enginering, MIT, Cambridge, MA, United States

Incorrect assessment of clinical volume status leads to increased mortality and healthcare costs yet there are no accurate, non-invasive, and quantitative methods to assess this health metric. We evaluated the ability of a portable NMR sensor and relaxometry techniques to detect fluid changes in hemodialysis (HD) patients during the course of HD treatment. There was a significant difference between relaxation values of HD patients compared to healthy subjects.

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