Now showing items 1-5 of 5

    • Blood Oxygen Depletion Is Independent of Dive Function in a Deep Diving Vertebrate, the Northern Elephant Seal 

      Meir, Jessica U.; Robinson, Patrick W.; Vilchis, L. Ignacio; Kooyman, Gerald L.; Costa, Daniel P.; Ponganis, Paul J. (Public Library of Science, 2013)
      Although energetics is fundamental to animal ecology, traditional methods of determining metabolic rate are neither direct nor instantaneous. Recently, continuous blood oxygen (O2) measurements were used to assess energy ...
    • Characterizing Sympathetic Neurovascular Transduction in Humans 

      Tan, Can Ozan; Tamisier, Renaud; Hamner, J. W.; Taylor, John Andrew (Public Library of Science, 2013)
      Despite its critical role for cardiovascular homeostasis in humans, only a few studies have directly probed the transduction of sympathetic nerve activity to regional vascular responses – sympathetic neurovascular transduction. ...
    • Heart Rate Dynamics after Combined Strength and Endurance Training in Middle-Aged Women: Heterogeneity of Responses 

      Karavirta, Laura; Costa, Madalena D.; Goldberger, Ary L.; Tulppo, Mikko P.; Laaksonen, David E.; Nyman, Kai; Keskitalo, Marko; Häkkinen, Arja; Häkkinen, Keijo (Public Library of Science, 2013)
      The loss of complexity in physiological systems may be a dynamical biomarker of aging and disease. In this study the effects of combined strength and endurance training compared with those of endurance training or strength ...
    • Molecular Biomarkers of Vascular Dysfunction in Obstructive Sleep Apnea 

      Kaczmarek, Elzbieta; Bakker, Jessie P.; Clarke, Douglas N.; Csizmadia, Eva; Kocher, Olivier; Veves, Aristidis; Tecilazich, Francesco; O'Donnell, Christopher P.; Ferran, Christiane; Malhotra, Atul (Public Library of Science, 2013)
      Untreated and long-lasting obstructive sleep apnea (OSA) may lead to important vascular abnormalities, including endothelial cell (EC) dysfunction, hypertension, and atherosclerosis. We observed a correlation between ...
    • A Nonlinear Dynamic Approach Reveals a Long-Term Stroke Effect on Cerebral Blood Flow Regulation at Multiple Time Scales 

      Hu, Kun; Lo, Men-Tzung; Peng, Chung-Kang; Liu, Yanhui; Novak, Vera (Public Library of Science, 2012)
      Cerebral autoregulation (CA) is an important vascular control mechanism responsible for relatively stable cerebral blood flow despite changes of systemic blood pressure (BP). Impaired CA may leave brain tissue unprotected ...