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. 2019 Apr 1;34(4):625-632.
doi: 10.1093/ndt/gfy102.

Chronic kidney disease and peripheral nerve function in the Health, Aging and Body Composition Study

Ranjani N Moorthi  1 , Simit Doshi  1 , Linda F Fried  2   3   4 , Sharon M Moe  1   5 , Mark J Sarnak  6 , Suzanne Satterfield  7 , Ann V Schwartz  8 , Michael Shlipak  9 , Brittney S Lange-Maia  10 , Tamara B Harris  11 , Anne B Newman  12 , Elsa S Strotmeyer  12
Affiliations

Chronic kidney disease and peripheral nerve function in the Health, Aging and Body Composition Study

Ranjani N Moorthi et al. Nephrol Dial Transplant. .

Abstract

Background: Chronic kidney disease (CKD) is associated with poor mobility. Peripheral nerve function alterations play a significant role in low mobility. We tested the hypothesis that early CKD is associated with altered sensory, motor and autonomic nerve function.

Methods: Participants in the Health, Aging and Body Composition cohort who had kidney function measures in Year 3 (1999-2000) and nerve function measurements at Year 4 (2000-01) were analyzed (n = 2290). Sensory (vibration threshold, monofilament insensitivity to light and standard touch), motor [compound motor action potentials (CMAPs), nerve conduction velocities (NCVs)] and autonomic (heart rate response and recovery after a 400-m walk test) nerve function as well as participant characteristics were compared across cystatin C- and creatinine-based estimated glomerular filtration rate categorized as ≤60 (CKD) or >60 mL/min/1.73 m2 (non-CKD). The association between CKD and nerve function was examined with logistic regression adjusted for covariates.

Results: Participants with CKD (n = 476) were older (77 ± 3 versus 75 ± 3 years; P < 0.05) and had a higher prevalence of diabetes (20.6% versus 13.1%; P < 0.001). CKD was associated with higher odds for vibration detection threshold {odds ratio [OR] 1.7 [95% confidence interval (CI) 1.1-2.7]} and light touch insensitivity [OR 1.4 (95% CI 1.1-1.7)]. CMAPs and NCVs were not significantly different between CKD and non-CKD patients. In adjusted analyses, participants with CKD had higher odds of an abnormal heart rate response [OR 1.6 (95% CI 1.1-2.2)] and poor heart rate recovery [OR 1.5 (95% CI 1.1-2.0)].

Conclusions: CKD is associated with changes in sensory and autonomic nerve function, even after adjustment for demographics and comorbidities, including diabetes. Longitudinal studies in CKD are needed to determine the contribution of nerve impairments to clinically important outcomes.

Keywords: chronic kidney disease; motor; peripheral nerve; sensory.

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Figures

FIGURE 1
FIGURE 1
Restricted cubic spline showing relationship between (A) vibration detection threshold and eGFR, (B) CMAP and eGFR and (C) NCV and eGFR.
See this image and copyright information in PMC

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