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Title of Journal: Eur J Appl Physiol

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Abbravation: European Journal of Applied Physiology

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Springer-Verlag

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DOI

10.1002/zamm.200510272

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1439-6327

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Symptoms of anxiety and mood disturbance alter car

Authors: Edgar ToschiDias Ivani C Trombetta Valdo José Dias da Silva Cristiane MakiNunes Maria Janieire N N Alves Luciana F Angelo Felipe X Cepeda Daniel G Martinez Carlos Eduardo Negrão Maria Urbana P B Rondon
Publish Date: 2012/08/24
Volume: 113, Issue: 3, Pages: 671-679
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Abstract

Previous investigations show that metabolic syndrome MetSyn causes sympathetic hyperactivation Symptoms of anxiety and mood disturbance AMd provoke sympathovagal imbalance We hypothesized that AMd would alter even further the autonomic function in patients with MetSyn Twentysix nevertreated patients with MetSyn ATPIII were allocated to two groups according to the levels of anxiety and mood disturbance 1 with AMd MetSyn + AMd n = 15 and 2 without AMd MetSyn n = 11 Ten healthy control subjects were also studied C n = 10 AMd was determined using quantitative questionnaires Muscle sympathetic nerve activity MSNA microneurography blood pressure oscillometric beattobeat basis and heart rate ECG were measured during a baseline 10min period Spectral analysis of RR interval and systolic arterial pressure were analyzed and the power of low LF and high HF frequency bands were determined Sympathovagal balance was obtained by LF/HF ratio Spontaneous baroreflex sensitivity BRS was evaluated by calculation of αindex MSNA was greater in patients with MetSyn + AMd compared with MetSyn and C Patients with MetSyn + AMd showed higher LF and lower HF power compared with MetSyn and C In addition LF/HF balance was higher in MetSyn + AMd than in MetSyn and C groups BRS was decreased in MetSyn + AMd compared with MetSyn and C groups Anxiety and mood disturbance alter autonomic function in patients with MetSyn This autonomic dysfunction may contribute to the increased cardiovascular risk observed in patients with mood alterations

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