Short-term complexity of cardiovascular oscillations in frailty syndrome

Anielle C M Takahashi; Lélia A. Bonjorni; Marcele S S Buto; Verena Vassimon-Barroso; Vinicius Minatel; Suzana M A Rocha; Fernanda H M Ribeiro; Nicola Montano; Alberto Porta; Aparecida M. Catai

doi:10.1109/ESGCO.2014.6847499

Short-term complexity of cardiovascular oscillations in frailty syndrome

Anielle C M Takahashi, Lélia A. Bonjorni, Marcele S S Buto, Verena Vassimon-Barroso, Vinicius Minatel, Suzana M A Rocha, Fernanda H M Ribeiro, Nicola Montano, Alberto Porta, Aparecida M. Catai

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Frailty has been described as a clinical state of vulnerability to stress, consequence from decline of resilience and physiological reserves and progressive decline on ability of homeostasis maintenance. The aim of this study was to evaluate the complexity of R-R intervals (RR) in resting supine (REST) and standing (STAND) position in 3 groups: frail, pre-frail and non-frail. Eighty older people (60-94 years old) were divided into frail group (n = 6), pre-frail (n=36) and non-frail group (n=38). The RR series were recorded at REST and during STAND for 10 minutes in each position. Short sequences of RR were analyzed by conditional entropy (CE) and approximate entropy (ApEn). Position, group and interaction effects were evaluated by two-way repeated-measures ANOVA. CE indicated only position effect while ApEn showed only group effect. ApEn seems to be more suitable for assessing changes in the complexity in frailty syndrome.

Original language	English
Title of host publication	2014 8th Conference of the European Study Group on Cardiovascular Oscillations, ESGCO 2014
Publisher	IEEE Computer Society
Pages	21-22
Number of pages	2
ISBN (Print)	9781479939695
DOIs	https://doi.org/10.1109/ESGCO.2014.6847499
Publication status	Published - 2014
Event	2014 8th Conference of the European Study Group on Cardiovascular Oscillations, ESGCO 2014 - Trento, Italy Duration: May 25 2014 → May 28 2014

Other

Other	2014 8th Conference of the European Study Group on Cardiovascular Oscillations, ESGCO 2014
Country/Territory	Italy
City	Trento
Period	5/25/14 → 5/28/14

ASJC Scopus subject areas

Biomedical Engineering

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10.1109/ESGCO.2014.6847499

Cite this

Takahashi, A. C. M., Bonjorni, L. A., Buto, M. S. S., Vassimon-Barroso, V., Minatel, V., Rocha, S. M. A., Ribeiro, F. H. M., Montano, N., Porta, A., & Catai, A. M. (2014). Short-term complexity of cardiovascular oscillations in frailty syndrome. In 2014 8th Conference of the European Study Group on Cardiovascular Oscillations, ESGCO 2014 (pp. 21-22). [6847499] IEEE Computer Society. https://doi.org/10.1109/ESGCO.2014.6847499

Short-term complexity of cardiovascular oscillations in frailty syndrome. / Takahashi, Anielle C M; Bonjorni, Lélia A.; Buto, Marcele S S et al.

2014 8th Conference of the European Study Group on Cardiovascular Oscillations, ESGCO 2014. IEEE Computer Society, 2014. p. 21-22 6847499.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Takahashi, ACM, Bonjorni, LA, Buto, MSS, Vassimon-Barroso, V, Minatel, V, Rocha, SMA, Ribeiro, FHM, Montano, N , Porta, A & Catai, AM 2014, Short-term complexity of cardiovascular oscillations in frailty syndrome. in 2014 8th Conference of the European Study Group on Cardiovascular Oscillations, ESGCO 2014., 6847499, IEEE Computer Society, pp. 21-22, 2014 8th Conference of the European Study Group on Cardiovascular Oscillations, ESGCO 2014, Trento, Italy, 5/25/14. https://doi.org/10.1109/ESGCO.2014.6847499

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AU - Minatel, Vinicius

AU - Rocha, Suzana M A

AU - Ribeiro, Fernanda H M

AU - Montano, Nicola

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AU - Catai, Aparecida M.

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N2 - Frailty has been described as a clinical state of vulnerability to stress, consequence from decline of resilience and physiological reserves and progressive decline on ability of homeostasis maintenance. The aim of this study was to evaluate the complexity of R-R intervals (RR) in resting supine (REST) and standing (STAND) position in 3 groups: frail, pre-frail and non-frail. Eighty older people (60-94 years old) were divided into frail group (n = 6), pre-frail (n=36) and non-frail group (n=38). The RR series were recorded at REST and during STAND for 10 minutes in each position. Short sequences of RR were analyzed by conditional entropy (CE) and approximate entropy (ApEn). Position, group and interaction effects were evaluated by two-way repeated-measures ANOVA. CE indicated only position effect while ApEn showed only group effect. ApEn seems to be more suitable for assessing changes in the complexity in frailty syndrome.

AB - Frailty has been described as a clinical state of vulnerability to stress, consequence from decline of resilience and physiological reserves and progressive decline on ability of homeostasis maintenance. The aim of this study was to evaluate the complexity of R-R intervals (RR) in resting supine (REST) and standing (STAND) position in 3 groups: frail, pre-frail and non-frail. Eighty older people (60-94 years old) were divided into frail group (n = 6), pre-frail (n=36) and non-frail group (n=38). The RR series were recorded at REST and during STAND for 10 minutes in each position. Short sequences of RR were analyzed by conditional entropy (CE) and approximate entropy (ApEn). Position, group and interaction effects were evaluated by two-way repeated-measures ANOVA. CE indicated only position effect while ApEn showed only group effect. ApEn seems to be more suitable for assessing changes in the complexity in frailty syndrome.

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Short-term complexity of cardiovascular oscillations in frailty syndrome

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