Nina C S Lewis

Summary

Affiliation: University of British Columbia
Country: Canada

Publications

  1. ncbi request reprint Impact of hypocapnia and cerebral perfusion on orthostatic tolerance
    Nia C S Lewis
    Centre for Heart, Lung and Vascular Health, University of British Columbia, Okanagan, Canada
    J Physiol 592:5203-19. 2014
  2. ncbi request reprint Influence of nocturnal and daytime sleep on initial orthostatic hypotension
    N C S Lewis
    School of Health and Exercise Sciences, Faculty of Health and Social Development, University of British Columbia Okanagan, 111 Health Science Centre, 1088 Discovery Avenue, Kelowna, BC, V1V 1V7, Canada
    Eur J Appl Physiol 115:269-76. 2015
  3. pmc Conduit artery structure and function in lowlanders and native highlanders: relationships with oxidative stress and role of sympathoexcitation
    Nia C S Lewis
    Centre for Heart, Lung and Vascular Health, University of British Columbia, Okanagan Campus, School of Health and Exercise Sciences 111 Health Science Centre 1088 Discovery Avenue, Kelowna, British Columbia, Canada
    J Physiol 592:1009-24. 2014
  4. ncbi request reprint Initial orthostatic hypotension and cerebral blood flow regulation: effect of α1-adrenoreceptor activity
    Nia C S Lewis
    Centre for Heart, Lung and Vascular Health, School of Health and Exercise Sciences, Development, University of British Columbia, Kelowna, British Columbia, Canada
    Am J Physiol Regul Integr Comp Physiol 304:R147-54. 2013
  5. ncbi request reprint The effect of time-of-day and sympathetic α1-blockade on orthostatic tolerance
    Nina C S Lewis
    School of Health and Exercise Sciences, Faculty of Health and Social Development, University of British Columbia, Okanagan Campus, Kelowna, British Columbia, Canada
    Chronobiol Int 29:882-90. 2012

Detail Information

Publications5

  1. ncbi request reprint Impact of hypocapnia and cerebral perfusion on orthostatic tolerance
    Nia C S Lewis
    Centre for Heart, Lung and Vascular Health, University of British Columbia, Okanagan, Canada
    J Physiol 592:5203-19. 2014
    ..In summary, cerebral hypoperfusion either at rest or induced by hypocapnia at pre-syncope does not impact OT, probably due to a compensatory increase in oxygen extraction. ..
  2. ncbi request reprint Influence of nocturnal and daytime sleep on initial orthostatic hypotension
    N C S Lewis
    School of Health and Exercise Sciences, Faculty of Health and Social Development, University of British Columbia Okanagan, 111 Health Science Centre, 1088 Discovery Avenue, Kelowna, BC, V1V 1V7, Canada
    Eur J Appl Physiol 115:269-76. 2015
    ..We designed a semi-constant routine protocol to examine diurnal variation in cardiorespiratory and cerebrovascular responses to active standing...
  3. pmc Conduit artery structure and function in lowlanders and native highlanders: relationships with oxidative stress and role of sympathoexcitation
    Nia C S Lewis
    Centre for Heart, Lung and Vascular Health, University of British Columbia, Okanagan Campus, School of Health and Exercise Sciences 111 Health Science Centre 1088 Discovery Avenue, Kelowna, British Columbia, Canada
    J Physiol 592:1009-24. 2014
    ..Although a lifetime of high-altitude exposure neither intensifies nor attenuates the impairments seen with short-term exposure, chronic high-altitude exposure appears to be associated with arterial remodelling...
  4. ncbi request reprint Initial orthostatic hypotension and cerebral blood flow regulation: effect of α1-adrenoreceptor activity
    Nia C S Lewis
    Centre for Heart, Lung and Vascular Health, School of Health and Exercise Sciences, Development, University of British Columbia, Kelowna, British Columbia, Canada
    Am J Physiol Regul Integr Comp Physiol 304:R147-54. 2013
    ..Although the development of IOH is not influenced by the α(1)-adrenergic receptor pathway, this pathway is critical in the recovery from IOH to prevent cerebral hypoperfusion and ultimately syncope...
  5. ncbi request reprint The effect of time-of-day and sympathetic α1-blockade on orthostatic tolerance
    Nina C S Lewis
    School of Health and Exercise Sciences, Faculty of Health and Social Development, University of British Columbia, Okanagan Campus, Kelowna, British Columbia, Canada
    Chronobiol Int 29:882-90. 2012
    ..04). These findings highlight an important role of α(1)-sympathetic vasoconstrictor activity in acutely regulating blood pressure and offsetting syncope, especially in the early morning...