Filter properties of root mean square successive difference (RMSSD) for heart rate

Berntson, Gary G.; Lozano, David L.; Chen, Yun‐Ju

doi:10.1111/j.1469-8986.2005.00277.x

Cited by 162 publications

(132 citation statements)

References 14 publications

(16 reference statements)

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“…Heart period and heart period variability (RMSSD) [26] were additionally observed. To gain a better insight into the role of input to the baroreceptors for the indices of reflex function, we also included the number of blood pressure ramps in the analysis.…”

Section: Discussionmentioning

confidence: 99%

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Quantification of Cardiac Baroreflex Function at Rest and during Autonomic Stimulation

Duschek

Paso

2007

J. Physiol. Sci

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The cardiac baroreflex constitutes an important mechanism mediating autonomic control of heart activity. Its function can be quantified by applying sequence analysis based on continuous recordings of blood pressure and heart rate. In this study, several indices derived from this method were compared regarding their suitability to estimate baroreflex function at rest and during autonomic stimulation. A cold pressor test was used to induce vagal withdrawal. Changes in the following indices evoked by this procedure were examined: baroreflex sensitivity (the extent of changes in heart period following blood pressure fluctuations), baroreflex effectiveness (the relative frequency in which the reflex responds to blood pressure fluctuations), and baroreflex power (the reflex operations in a defined period). The values of all indices decreased during autonomic stimulation. The strongest and most consistent effect, however, was observed for baroreflex sensitivity, suggesting that this parameter is the most sensitive to changes in parasympathetic tone among the three parameters. Baroreflex sensitivity also proved to differentiate between individuals with higher and lower resting blood pressure. Therefore, this index may best reflect the well-known involvement of the baroreflex in the long-term setting of blood pressure. Midrange correlations between the indices of baroreflex function suggest that they quantify similar, though not identical, aspects of baroreflex function. This study supports the use of sequence analysis as a reliable tool for the quantification of parasympathetic cardiac control. The sensitivity index must be considered the most relevant to quantify baroreflex function among the three parameters.

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Section: Discussionmentioning

confidence: 99%

“…Warm-water exposure was additionally used to investigate changes in baroreflex function during less intense stimulation. To control whether the intended autonomic changes were successfully induced, the RMSSD [26] was applied as an index of heart rate variability. It is well known that heart rate variability accurately reflects parasympathetic outflow [27,28].…”

mentioning

confidence: 99%

Quantification of Cardiac Baroreflex Function at Rest and during Autonomic Stimulation

Duschek

Paso

2007

J. Physiol. Sci

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“…The purpose of a study would then shift to measuring its cholinergicity by determining its effects on the established surrogate markers of autonomic tone, such as the high-frequency spectral component of the instantaneous heart rate variability (HRV). 58,59 Given the reported direct effects of acupuncture on HRV, this approach seems justifiable. [60][61][62][63] Perhaps the methodology used by Goldstein et al to measure the HRV and the extent of macrophage activation in patients with rheumatoid arthritis could serve as a model.…”

Section: The Epistemological Significancementioning

confidence: 99%

The Neuroimmune Basis of Anti-inflammatory Acupuncture

2007

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This review article presents the evidence that the antiinflammatory actions of acupuncture are mediated via the reflexive central inhibition of the innate immune system. Both laboratory and clinical evidence have recently shown the existence of a negative feedback loop between the autonomic nervous system and the innate immunity. There is also experimental evidence that the electrical stimulation of the vagus nerve inhibits macrophage activation and the production of TNF, IL-1β β, IL-6, IL-18, and other proinflammatory cytokines. It is therefore conceivable that along with hypnosis, meditation, prayer, guided imagery, biofeedback, and the placebo effect, the systemic anti-inflammatory actions of traditional and electro-acupuncture are directly or indirectly mediated by the efferent vagus nerve activation and inflammatory macrophage deactivation. In view of this common physiological mediation, assessing the clinical efficacy of a specific acupuncture regimen using conventional double-blind placebo-controlled trials inherently lacks objectivity due to (1) the uncertainty of ancient rules for needle placement, (2) the diffuse noxious inhibitory control triggered by control-needling at irrelevant points, (3) the possibility of a dose-response relationship between stimulation and effects, and (4) the possibility of inadequate blinding using an inert sham procedure. A more objective assessment of its efficacy could perhaps consist of measuring its effects on the surrogate markers of autonomic tone and inflammation. The use of acupuncture as an adjunct therapy to conventional medical treatment for a number of chronic inflammatory and autoimmune diseases seems plausible and should be validated by confirming its cholinergicity. Keywords

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“…The RMSSD is sensitive to high-frequency heart period fluctuations in the respiratory frequency range, and has been used as an index of vagal cardiac control. The RMSSD measure correlates well with frequency domain indices of high-frequency HRV [22]. High frequency HRV represents primarily parasympathetic influences [23].…”

Section: Discussionmentioning

confidence: 76%

The Effect of Pottery Therapy on Heart Rate Variability in College Students with Mental Health Problems

Nakamura¹,

Sonezaki²,

Hayashida³

et al. 2017

J Ment Disord Treat

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Filter properties of root mean square successive difference (RMSSD) for heart rate

Cited by 162 publications

References 14 publications

Quantification of Cardiac Baroreflex Function at Rest and during Autonomic Stimulation

Quantification of Cardiac Baroreflex Function at Rest and during Autonomic Stimulation

The Neuroimmune Basis of Anti-inflammatory Acupuncture

The Effect of Pottery Therapy on Heart Rate Variability in College Students with Mental Health Problems

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