User profiles for Roger G. Evans

Roger G Evans

Adjunct Professor, Department of Physiology, Monash University
Verified email at monash.edu
Cited by 9940

Intrarenal oxygenation: unique challenges and the biophysical basis of homeostasis

RG Evans, BS Gardiner, DW Smith… - American Journal of …, 2008 - journals.physiology.org
The kidney is faced with unique challenges for oxygen regulation, both because its function
requires that perfusion greatly exceeds that required to meet metabolic demand and …

Haemodynamic influences on kidney oxygenation: clinical implications of integrative physiology

RG Evans, C Ince, JA Joles, DW Smith… - Clinical and …, 2013 - Wiley Online Library
Roger G EvansRoger G Evans … (Artists impression of the renal cortical circulation
reproduced with permission from O’Connor and Evans.61) (b) In the medulla, the counter-current …

Sepsis‐induced acute kidney injury: a disease of the microcirculation

S Ma, RG Evans, N Iguchi, M Tare… - …, 2019 - Wiley Online Library
AKI is a common complication of sepsis and is significantly associated with mortality. Sepsis
accounts for more than 50% of the cases of AKI , with a mortality rate of up to 40%. The …

[HTML][HTML] Intrarenal and urinary oxygenation during norepinephrine resuscitation in ovine septic acute kidney injury

YR Lankadeva, J Kosaka, RG Evans, SR Bailey… - Kidney International, 2016 - Elsevier
Norepinephrine is the principal vasopressor used to restore blood pressure in sepsis, but its
effects on intrarenal oxygenation are unknown. To clarify this, we examined renal cortical, …

[HTML][HTML] Exploring barriers to and enablers of the adoption of information and communication technology for the care of older adults with chronic diseases: scoping …

SB Zaman, RK Khan, RG Evans, AG Thrift, R Maddison… - JMIR aging, 2022 - aging.jmir.org
Background Information and communication technology (ICT) offers considerable potential
for supporting older adults in managing their health, including chronic diseases. However, …

Mechanisms underlying the differential control of blood flow in the renal medulla and cortex

RG Evans, GA Eppel, WP Anderson… - Journal of …, 2004 - journals.lww.com
There is much evidence that the medullary circulation plays a key role in regulating renal
salt and water handling and, accordingly, the long-term level of arterial pressure. It has also …

Arterial spin labelling MRI to measure renal perfusion: a systematic review and statement paper

…, F Nery, AA Harteveld, RG Evans… - Nephrology Dialysis …, 2018 - academic.oup.com
Renal perfusion provides the driving pressure for glomerular filtration and delivers the oxygen
and nutrients to fuel solute reabsorption. Renal ischaemia is a major mechanism in acute …

Renal hypoxia in kidney disease: cause or consequence?

…, JP Ngo, MM Ullah, LM Hilliard, RG Evans - Acta …, 2018 - Wiley Online Library
Tissue hypoxia has been proposed as an important factor in the pathophysiology of both
chronic kidney disease (CKD) and acute kidney injury (AKI), initiating and propagating a vicious …

Gender differences in pressure-natriuresis and renal autoregulation: role of the angiotensin type 2 receptor

…, E Teichman, AK Sampson, RE Widdop, RG Evans… - …, 2011 - Am Heart Assoc
Sexual dimorphism in arterial pressure regulation has been observed in humans and animal
models. The mechanisms underlying this gender difference are not fully known. Previous …

Cortical and medullary tissue perfusion and oxygenation in experimental septic acute kidney injury

P Calzavacca, RG Evans, M Bailey… - Critical care …, 2015 - journals.lww.com
Objectives: To determine whether there is a decrease in renal cortical or medullary perfusion
and oxygenation in a conscious large animal model of hyperdynamic septic shock with …