Heart rate variability during hemodialysis in patients with chronic renal disease | Zendy

Sidney Benedito Silva | Zendy; Vítor Engrácia Valenti | Zendy; Fernando Adami | Zendy; Elisa Rennó Dester | Zendy; Fernando Almeida | Zendy; Iara Gracia Lorena | Zendy; David M. Garner | Zendy; Rodrigo Daminello Raimundo | Zendy; Rayana Loch Gomes | Zendy; Ronaldo Roberto Bérgamo | Zendy; Tatiana Dias de Carvalho | Zendy; Luíz Carlos de Abreu | Zendy

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Heart rate variability during hemodialysis in patients with chronic renal disease

Author(s) -

Sidney Benedito Silva,

Vítor Engrácia Valenti,

Fernando Adami,

Elisa Rennó Dester,

Fernando Almeida,

Iara Gracia Lorena,

David M. Garner,

Rodrigo Daminello Raimundo,

Rayana Loch Gomes,

Ronaldo Roberto Bérgamo,

Tatiana Dias de Carvalho,

Luíz Carlos de Abreu

Publication year - 2015

Publication title -

international archives of medicine

Language(s) - English

Resource type - Journals

ISSN - 1755-7682

DOI - 10.3823/1684

Subject(s) - hemodialysis , medicine , heart rate variability , dialysis , cardiology , heart rate , kidney disease , blood pressure

Background: Few studies evaluated cardiac autonomic responses induced by hemodialysis. We aimed to evaluate cardiac autonomic regulation during hemodialysis in haemodynamically stable patients with chronic renal disease. Method: Heart rate variability (HRV) was analyzed in the time and frequency domains in the following periods: Pre-dialysis (10 minutes before); Hemodialysis (240 minutes). Results: The standard deviation of all normal RR intervals (SDNN) increased 60-90min after hemodialysis compared to pre-hemodialysis (29.77 ± 12ms vs. 51.70 ± 41.6ms - p<0.05). The percentage of adjacent RR intervals with a difference of duration greater than 50ms (pNN50) also raised 180-210 min after hemodialysis compared to 0-30 min after hemodialysis (1.29 ± 3.5 vs. 4.37 ± 7.8 - p<0.05). Low frequency (LF) (ms2) increased 150-180 min after hemodialysis compared to pre-hemodialysis (168.2±179.8 ms2 vs. 562.6±455.7 ms2: p<0.05) and high frequency (HF) (ms2) band raised 150-180min and 180-210 after hemodialysis compared to pre-hemodialysis (59.3 ± 70.78ms2 vs. 212.5 ± 304.9 ms2 vs. 186.3 ± 335.1 ms2: p<0.05). Conclusion: Hemodialysis acutely increased HRV, raising the parasympathetic component of HRV.

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