Abstract
Bioengineering Patients with end-stage kidney disease often experience swelling in the lower limbs caused by excess extracellular fluid. Fluid status must also be closely monitored during hemodialysis. Colucci et al. devised a portable nuclear magnetic resonance (NMR) sensor to assess tissue fluid status. The portable sensor detected changes in the extracellular fluid space in the leg muscles of dialysis patients that were similar to those detected by NMR relaxometry measured by magnetic resonance imaging. Thus, nonimaging NMR sensors can provide objective, rapid bedside evaluation of fluid status in patients. Sci. Transl. Med. 11 , eaau1749 (2019).
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