Objectives Late-life major depression is associated with increased cardiovascular risk and impaired autonomic control of the heart, as evident from reduced heart rate variability (HRV). Moreover, antidepressant drug therapy also might be associated with further reductions of HRV. In the SEEDS study, we investigated whether sertraline associated with physical exercise protocols led to improvements of HRV, compared with antidepressant drug therapy alone. Design Single-blind randomized controlled trial. Setting Psychiatric consultation-liaison program for primary care. Participants Patients aged 65–85 years with major depression, recruited from primary care. Interventions Sertraline plus structured, tailored group physical exercise (S + EX) versus sertraline alone (S) for 24 weeks. Measurements HRV indices (RR, percentage of NN intervals greater than 50 msec [pNN50], square root of the mean squared differences of successive NN intervals [RMSSD], standard deviation of heart rate [SDHR], standard deviation of the NN interval [SDNN], high-frequency band [HF], low-frequency band [LF], and their ratio [LF/HF]) were measured at baseline, week 12, and week 24. Psychiatric and medical assessments. Results Participants displayed significant improvements of most HRV indices over time, irrespective of the group assignment (pNN50, RMSSD, SDHR, SDNN, HF, LF, and LF/HF). Moreover, patients in the S + EX group displayed greater increases of different HRV indices(RR, pNN50, RMSSD, SDHR, SDNN, HF, and LF) compared with those in the S group. Conclusions The combination of structured physical exercise and sertraline might exert positive effects on the autonomic control of the heart among older patients with major depression.

Physical Exercise for Late-Life Depression: Effects on Heart Rate Variability

BELVEDERI MURRI, MARTINO;AMORE, MARIO
2016

Abstract

Objectives Late-life major depression is associated with increased cardiovascular risk and impaired autonomic control of the heart, as evident from reduced heart rate variability (HRV). Moreover, antidepressant drug therapy also might be associated with further reductions of HRV. In the SEEDS study, we investigated whether sertraline associated with physical exercise protocols led to improvements of HRV, compared with antidepressant drug therapy alone. Design Single-blind randomized controlled trial. Setting Psychiatric consultation-liaison program for primary care. Participants Patients aged 65–85 years with major depression, recruited from primary care. Interventions Sertraline plus structured, tailored group physical exercise (S + EX) versus sertraline alone (S) for 24 weeks. Measurements HRV indices (RR, percentage of NN intervals greater than 50 msec [pNN50], square root of the mean squared differences of successive NN intervals [RMSSD], standard deviation of heart rate [SDHR], standard deviation of the NN interval [SDNN], high-frequency band [HF], low-frequency band [LF], and their ratio [LF/HF]) were measured at baseline, week 12, and week 24. Psychiatric and medical assessments. Results Participants displayed significant improvements of most HRV indices over time, irrespective of the group assignment (pNN50, RMSSD, SDHR, SDNN, HF, LF, and LF/HF). Moreover, patients in the S + EX group displayed greater increases of different HRV indices(RR, pNN50, RMSSD, SDHR, SDNN, HF, and LF) compared with those in the S group. Conclusions The combination of structured physical exercise and sertraline might exert positive effects on the autonomic control of the heart among older patients with major depression.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11567/872340
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