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Titolo Heart Rate Variability in Peritoneal Dialysis Patients: What Is the Role of Residual Renal Function?
Autore Wen Tang, Li-Xian Li, Juan Pei, Tao Wang
Referenza Blood Purification 2012, 34: 58-66
Contenuto

Background: The relationship between heart rate variability (HRV) and residual renal function (RRF) has not been elucidated previously.

Methods: In this cross-sectional study, HRV was evaluated in 71 peritoneal dialysis patients. Patients were divided into RRF decline group, RRF stable group and anuric group.

Results: RRF was negatively correlated with SDNN (r =–0.284, p = 0.017), TP (r = –0.247, p = 0.039), and HF (r = –0.238, p = 0.047). Significant sympathetic nerve activation was found in the RRF decline group (significantly lower SDNN, SDSD, RMSSD, pNN50, LF, HF, TP and higher LF/HF ratio) as compared to the RRF stable and anuric groups. Besides, significantly parasympathetic activation was found in the anuric group (the lowest LF/HF ratio as compared to the other groups (both p ! 0.05). Multivariate stepwise regression analysis showed that the status of RRF was an independent factor associated with HRV parameters.

Conclusion: This study showed autonomic nervous function in peritoneal dialysis patients was associated with a different status of RRF.

Data 22.04.2013
 
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