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Medicina is published by MDPI from Volume 54 Issue 1 (2018). Articles in this Issue were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence. Articles are hosted by MDPI on mdpi.com as a courtesy and upon agreement with Lithuanian Medical Association, Lithuanian University of Health Sciences, and Vilnius University.
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Medicina 2017, 53(6), 375-379; https://doi.org/10.1016/j.medici.2017.12.001 (registering DOI)

Relationship between diabetes mellitus and heart rate variability in community-dwelling elders

1
Biotechnology in Health and Investigative Medicine Postgraduate Program, Gonçalo Moniz Research Center, Candeal – Salvador, BA, Brazil
2
Nursing & Health Postgraduate Program, State University of Southwest Bahia (UESB), Jequie, BA, Brazil
3
Department of Biological Sciences, State University of Southwest Bahia (UESB), Jequie, BA, Brazil
4
Collective Health Institute, Federal University of Bahia, Canela, Salvador, Brazil
5
Health Department, State University of Southwest Bahia (UESB), Jequie, BA, Brazil
*
Author to whom correspondence should be addressed.
Received: 13 July 2016 / Revised: 25 November 2017 / Accepted: 14 December 2017 / Published: 3 February 2018
PDF [335 KB, uploaded 27 March 2018]

Abstract

Background and objective: Diabetes mellitus is one of the most common non-communicable diseases (NCDs) and may influence the autonomic nervous system. This study aims to analyze the autonomic control, through heart rate variability (HRV), from community- dwelling elders with (DM+) and without diabetes mellitus (DM−).
Materials and methods: This cross-sectional study, in which 205 elders (≥ 60 years old), from the urban area of Aiquara municipality gave their written consent to participate. HRV data was collected through a Polar RS800CX monitor with a 5-min initial record at rest, followed by the command to quickly stand up.
Results: The mean age was 71 years (SD, 7.32). The population was mostly made up of women 121 (59%), with low or no schooling 123 (60%), and low income 166 (81%). HRV analysis in a frequency domain showed no difference when comparing the two groups of DM + and DM−. Henceforth in a time domain, the rMSSD showed a median value of 16.09 (interquartile range, 9.91–30.68); pNN50 median of 0.79 (interquartile range, 0.00–6.62), with a statistical significance between the group of DM+ and DM−.
Conclusions: There is a difference between the studied groups principally in what concerns the time domain, which reflects the parasympathetic activity, suggesting that elders with diabetes mellitus may have a worse parasympathetic control.
Keywords: Autonomic nervous system; Heart rate; Cardiac electrophysiology; Diabetes mellitus Autonomic nervous system; Heart rate; Cardiac electrophysiology; Diabetes mellitus
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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J.S. Ribeiro, Í.; Pereira, R.; F. Valença Neto, P.; V. Freire, I.; A. Casotti, C.; Galvão dos Reis, M. Relationship between diabetes mellitus and heart rate variability in community-dwelling elders. Medicina 2017, 53, 375-379.

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