2019
DOI: 10.21470/1678-9741-2019-0236
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Evaluation of Cardiac Autonomic Modulation Using Symbolic Dynamics After Cardiac Transplantation

Abstract: ObjectiveTo characterize the behavior of cardiac autonomic modulation in individuals with different times after orthotopic heart transplantation (HTx) using symbolic dynamics analysis.MethodsSixty patients were evaluated after HTx. We recorded their instantaneous R-R intervals (RRi) by cardiac monitor Polar® RS800CX™ (Polar Electro Oy, Kempele, Finland) for 10 minutes. The same sequence of RRi with 256 consecutive beats was used to perform spectral analysis and symbolic dynamics analysis. We used hierarchical … Show more

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Cited by 4 publications
(6 citation statements)
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“…Data series were collected using Polar ProTrainer 5™ software (Polar Electro Oy, Kempele, Finland), converted to .txt format, and submitted to Kubios HRV 2.2™ software (Kubios Oy, Kuopio, Finland) for HRV analysis. The 5 min stretches that contained greater signal stability over 256 consecutive beats were selected, discarding the initial 30 s and the final 30 s of data collection [25][26][27].…”
Section: Heart Rate Variabilitymentioning
confidence: 99%
“…Data series were collected using Polar ProTrainer 5™ software (Polar Electro Oy, Kempele, Finland), converted to .txt format, and submitted to Kubios HRV 2.2™ software (Kubios Oy, Kuopio, Finland) for HRV analysis. The 5 min stretches that contained greater signal stability over 256 consecutive beats were selected, discarding the initial 30 s and the final 30 s of data collection [25][26][27].…”
Section: Heart Rate Variabilitymentioning
confidence: 99%
“…A dinâmica simbólica é uma metodologia não linear que busca analisar o índice de complexidade e entropia, usado para avaliar a VFC em várias populações. A análise simbólica reflete os aspectos simpáticos e parassimpáticos da modulação cardíaca respectivamente pelos índices 0V% e 2ULV% (MOURA-TONELLO et al,2019). Em discordância com os demais estudos, os achados não apresentaram diferenças significativas entre os grupos nas variáveis de 0V%,1V%, 2LV% e 2ULV%.…”
Section: Correlaçõesunclassified
“…Resultado semelhante foi observado no estudo de Moura-Tonello et al (2019) quando mostrou que em indivíduos diabéticos, havia uma redução de 2LV% e um aumento de 0V%, o que reflete a atividade simpática (OLIVEIRA et al,2018;MOURA-TONELLO et al,2019).…”
Section: Correlaçõesunclassified
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