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Clinical Trial Summary

The investigators hypothesize that chemoreflex response of muscle sympathetic nerve activity (MSNA) during hypoxia and hypercapnia will be increased in coronary artery disease (CAD) patients and that the presence of obstructive sleep apnea (OSA) will potentiate these responses. And, that the exercise training would decrease the chemoreflex response of MSNA in these patients.


Clinical Trial Description

Forty patients with coronary artery disease, with (n=20) and without (n=20) obstructive sleep apnea will be studied. A healthy control, age-paired group (n=10) will be also evaluated. The patients will be submitted to a polysomnography and randomized for clinical follow-up or exercise training for four months. It will evaluated the autonomic function, chemoreflex control of sympathetic activity during hypoxic and hypercapnic maneuvers, endothelial function and inflammatory markers. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT02624297
Study type Interventional
Source University of Sao Paulo General Hospital
Contact Maria Urbana PB Rondon, PhD
Phone 55 11 30918784
Email urbana@usp.br
Status Recruiting
Phase N/A
Start date January 2014
Completion date January 2020

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