Navegando por Autor "Diniz, Luiza Araújo"

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Long‑term benefts of heart rate variability biofeedback training in older adults with diferent levels of social interaction : a pilot study.
(2022) Souza, Perciliany Martins de; Souza, Miriam de Cássia; Diniz, Luiza Araújo; Araújo, Cássia Regina Vieira; Lopez, Mariana; Volchan, Eliane; Fernandes Junior, Orlando; Sanchez, Tiago Arruda; Souza, Gabriela Guerra Leal de
To test whether heart rate variability (HRV) biofeedback training benefts older adults with diferent social interaction levels. Methods. 32 older adults (16 were institutionalized and 16 were not). Both groups received 14 sessions, 15 min, 3 times a week, with half of the individuals receiving HRV biofeedback training and the other half receiving control training. The following parameters were assessed immediately before and after training, and 4.5 weeks after the last session (follow-up period): aerobic conditioning, anthropometric data, emotional scores, and HRV components. Results. Before the training, the institutionalized individuals had higher scores of loneliness (p< 0.01) and depression (p< 0.0001) and lower social touches (p< 0.0001), body mass (p= 0.04), and body fat percentage (p= 0.002) than the non-institutionalized individuals. HRV biofeedback improved symptoms of depression in both groups. HRV improved only in the non-institutionalized group, and loneliness only in the institutionalized group. Lastly, all changes persisted after the follow-up period. Conclusions. HRV biofeedback training was efective in improving symptoms of depression in older adults. Improvement of HRV and loneliness was dependent on the level of social interaction.