Heart rate variability in diabetic children: sensitivity of the time- and frequency-domain methods

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dc.contributor.authorAkıncı, Ayşehan
dc.contributor.authorÇeliker, Alpay
dc.contributor.authorBaykal, Engin
dc.contributor.authorTeziç, Tahsin
dc.date.accessioned2017-07-08T13:35:38Z
dc.date.available2017-07-08T13:35:38Z
dc.date.issued2017
dc.departmentİnönü Üniversitesien_US
dc.descriptionPediatric Cardiologyen_US
dc.description.abstractHeart rate variability (HRV) is a noninvasive index of the neural activity of the heart. Although also influenced by the sympathetic activity of the heart, HRV is essentially determined by the vagal stimulation of the heart. Several HRV abnormalities have been described in adults with diabetes mellitus. However, there are few data on HRV in children with diabetes mellitus. In the present study, HRV was assessed in seven healthy children, 10 diabetic children with good glycemic control and 11 diabetic children with poor glycemic control. All had normal standard cardiac autonomic function tests, obtained from 24-h Holter tapes. HRV was measured by calculating six time-domain (mean R-R interval (RR), standard deviation of the R-R interval [SDRR], standard deviation of the mean of 288 R-R intervals [SDANN], the mean of the 288 standard deviations computed for each 5-rain period [SD], percentage of differences of adjacent R-R intervals of >50 msec for the entire 24 h [pNN50], and the root mean square of successive differences [rMSSD]) and four frequency-domain (low frequency [LF], high frequency [HF], total heart rate power spectra, and LF/HF ratio) indexes. SD, pNN50, rMSSD, LF, HF and total heart rate power spectra were markedly and significantly reduced in diabetic children with poor metabolic control. The 24-h variation of low- and highfrequency components of heart rate power spectra of the latter children had a different shape. Thus, diabetic children with poor metabolic control (elevated HbAlc and B2M levels) have a low HRV compared to those diabetic children with good control and healthy children. These results can be interpreted as evidence of cardiac autonomic neuropathy in diabetic children with asymptomatic diabetic autonomic neuropathy.en_US
dc.identifier.citationAKINCI, A., ÇELİKER, A. (2017). Heart rate variability in diabetic children. Pediatric Cardiology, 14(3), 140–146.en_US
dc.identifier.endpage146en_US
dc.identifier.issue3en_US
dc.identifier.startpage140en_US
dc.identifier.urihttps://link.springer.com/content/pdf/10.1007%2FBF00795641.pdf
dc.identifier.urihttps://hdl.handle.net/11616/7321
dc.identifier.volume14en_US
dc.language.isoenen_US
dc.publisherPediatric Cardiologyen_US
dc.relation.ispartofPediatric Cardiologyen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectHeart rate variabiliten_US
dc.subjectTime-domain measurementsen_US
dc.subjectFrequency-domain measurementsen_US
dc.subjectCardiac autonomic neuropathyen_US
dc.subjectDiabetic childrenen_US
dc.titleHeart rate variability in diabetic children: sensitivity of the time- and frequency-domain methodsen_US
dc.typeArticleen_US

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