Relationship between Heart Rate Variability and Functional Fitness in Breast Cancer Survivors: A Cross-Sectional Study.
breast cancer
exercise
fitness
heart rate variability
parasympathetic nervous system
Journal
Healthcare (Basel, Switzerland)
ISSN: 2227-9032
Titre abrégé: Healthcare (Basel)
Pays: Switzerland
ID NLM: 101666525
Informations de publication
Date de publication:
13 Sep 2021
13 Sep 2021
Historique:
received:
28
06
2021
revised:
06
09
2021
accepted:
08
09
2021
entrez:
28
9
2021
pubmed:
29
9
2021
medline:
29
9
2021
Statut:
epublish
Résumé
Breast cancer is the most common malignancy among women worldwide. The treatments may also cause neuromuscular and skeletal disorders; therefore, the aim of this study was to verify the existence of a relationship between heart rate variability and different functional fitness parameters in women survivors of breast cancer. This cross-sectional study included 25 women survivors of breast cancer, with a mean ± SD age, height, and body mass of 50.8 ± 8.8 years, 1.6 ± 0.7 m, and 67.1 ± 12.3 kg, respectively. Patients underwent measurements of heart rate variability with time and frequency domain analyses, as well as a "30 s chair-stand test", "6 min walking test", "timed up and go test", and "ball throwing test". A multiple linear regression analysis showed that from the heart rate variability frequency domain, high frequency explained 21% (R The findings of this study highlight high frequency as a predictor of "30 s chair-stand test" performance, regardless of age and time after diagnosis, suggesting its usefulness as a clinical indicator of functionality in breast cancer survivors. This study presents a straightforward and non-invasive methodology predicting functional fitness in women breast cancer survivors potentially applicable to clinical practice.
Sections du résumé
BACKGROUND
BACKGROUND
Breast cancer is the most common malignancy among women worldwide. The treatments may also cause neuromuscular and skeletal disorders; therefore, the aim of this study was to verify the existence of a relationship between heart rate variability and different functional fitness parameters in women survivors of breast cancer.
METHODS
METHODS
This cross-sectional study included 25 women survivors of breast cancer, with a mean ± SD age, height, and body mass of 50.8 ± 8.8 years, 1.6 ± 0.7 m, and 67.1 ± 12.3 kg, respectively. Patients underwent measurements of heart rate variability with time and frequency domain analyses, as well as a "30 s chair-stand test", "6 min walking test", "timed up and go test", and "ball throwing test".
RESULTS
RESULTS
A multiple linear regression analysis showed that from the heart rate variability frequency domain, high frequency explained 21% (R
CONCLUSION
CONCLUSIONS
The findings of this study highlight high frequency as a predictor of "30 s chair-stand test" performance, regardless of age and time after diagnosis, suggesting its usefulness as a clinical indicator of functionality in breast cancer survivors. This study presents a straightforward and non-invasive methodology predicting functional fitness in women breast cancer survivors potentially applicable to clinical practice.
Identifiants
pubmed: 34574979
pii: healthcare9091205
doi: 10.3390/healthcare9091205
pmc: PMC8469708
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : Fundação para a Ciência e a Tecnologia
ID : UIDP/04748/2020.
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