caa a22 4500 463158083 CHVBK 20180406164740.0 cr unu---uuuuu 170326e20070601xx s 000 0 eng 10.1007/s10286-007-0427-y doi (NATIONALLICENCE)springer-10.1007/s10286-007-0427-y Balance between sympathetic response to head-up tilt and cardiac vagal factors in healthy humans [Elektronische Daten] [Farah Ramírez-Marrero, Nisha Charkoudian, Liu Zhong, Christiane Hesse, John Eisenach] We evaluated the association between cardio-vagal baroreflex sensitivity (BRS; assessed with modified Oxford technique) and catecholamine response to 5min 60° head-up tilt (HUT) in 46 young healthy adults. HUT increased HR, mean arterial pressure, and NE (P<0.05 for all). BRS was negatively correlated with NE response to HUT (r=−0.36, P<0.05), suggesting that subjects with high vagal modulation (high BRS) require less sympathetic response (NE) to maintain normotension during orthostatic stress. Springer, 2007 orthostatic nationallicence tilt-table test nationallicence baroreflex nationallicence norepinephrine nationallicence Ramírez-Marrero Farah Dept. of Anesthesiology, Mayo Clinic College of Medicine, 200 First St. SW, 55905, Rochester, MN, USA aut Charkoudian Nisha Dept. of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine, Rochester, MN, USA aut Zhong Liu Dept. of Cardiology, First Affiliated Hospital, Medical School, Zhejiang University, Zhejiang, China aut Hesse Christiane Dept. of Anesthesiology, Mayo Clinic College of Medicine, 200 First St. SW, 55905, Rochester, MN, USA aut Eisenach John Dept. of Anesthesiology, Mayo Clinic College of Medicine, 200 First St. SW, 55905, Rochester, MN, USA aut https://doi.org/10.1007/s10286-007-0427-y text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10286-007-0427-y text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Ramírez-Marrero Farah Dept. of Anesthesiology, Mayo Clinic College of Medicine, 200 First St. SW, 55905, Rochester, MN, USA aut NATIONALLICENCE 700 1- Charkoudian Nisha Dept. of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine, Rochester, MN, USA aut NATIONALLICENCE 700 1- Zhong Liu Dept. of Cardiology, First Affiliated Hospital, Medical School, Zhejiang University, Zhejiang, China aut NATIONALLICENCE 700 1- Hesse Christiane Dept. of Anesthesiology, Mayo Clinic College of Medicine, 200 First St. SW, 55905, Rochester, MN, USA aut NATIONALLICENCE 700 1- Eisenach John Dept. of Anesthesiology, Mayo Clinic College of Medicine, 200 First St. SW, 55905, Rochester, MN, USA aut Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer