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| Home > Publications database > Hemodialysis Patients with Cardiovascular Disease Reveal Increased Tissue Na+ Deposition. |
| Home > Publications database > Hemodialysis Patients with Cardiovascular Disease Reveal Increased Tissue Na+ Deposition. |
| Journal Article | DKFZ-2022-00505 |
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2022
Karger
Basel [u.a.]
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Please use a persistent id in citations: doi:10.1159/000520821
Abstract: The relationship between Na+ balance and cardiovascular disease (CVD) in hemodialysis (HD) patients is not yet fully understood. We hypothesized that HD patients co-diagnosed with CVD show increased tissue Na+ accumulation compared to HD patients without CVD.In our observational study, 52 HD patients were divided into a group with (23 subjects) or without (29 subjects) a positive history of cardiovascular events. We used 23Na-magnetic resonance imaging (23Na-MRI) at 3.0 Tesla to quantify Na+ content in skin and muscle of both groups directly before and after HD. Additionally, total body fluid distribution was determined by bioimpedance spectroscopy (BIS) and laboratory parameters were assessed.Compared to HD patients without CVD, 23Na-MRI detected an increased Na+ content in skin (21.7 ± 7.3 vs. 30.2 ± 9.8 arbitrary units (a.u.), p < 0.01) and muscle tissue (21.5 ± 3.6 vs. 24.7 ± 6.0 a.u., p < 0.05) in patients with previous CVD events. Simultaneously measured fluid amount by BIS, includingexcess extracellular water (1.8 ± 1.7 vs. 2.2 ± 1.7 L, p = 0.44), was not significantly different between both groups. Tissue Na+ accumulation in HD-CVD patients was paralleled by a higher plasma concentration of the inflammation marker interleukin-6 (5.1, IQR 5.8 vs. 8.5, IQR 7.9 pg/mL, p < 0.05).In our cohort, HD patients with CVD showed higher tissue Na+ content than HD patients without CVD, while no difference in body water distribution could be detected between both groups. Our findings provide evidence that the history of a cardiovascular event is associated with disturbances in tissue Na+ content in HD patients.
Keyword(s): Cardiovascular Diseases (MeSH) ; Humans (MeSH) ; Kidney Failure, Chronic: complications (MeSH) ; Kidney Failure, Chronic: therapy (MeSH) ; Magnetic Resonance Imaging: methods (MeSH) ; Renal Dialysis (MeSH) ; Skin (MeSH) ; Sodium (MeSH) ; 23Na-magnetic resonance imaging ; Cardiovascular disease ; Hemodialysis ; Tissue Na+ ; Sodium
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