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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