Helen Hoar

Effects of breathing air containing 3% carbon dioxide, 35% oxygen or a mixture of 3% carbon dioxide/35% oxygen on cerebral and peripheral oxygenation at 150 m and 3459 m

Christopher H.E. Imray, Sarah K. Walsh, T. Clarke et al. · Clinical Science · 2003 · 32 citations

Carbon Dioxide, Cerebral Vascular Regulation, Medicine +15

Near-infrared spectroscopy in the assessment of cerebral oxygenation at high altitude

Christopher H.E. Imray, Nicholas Barnett, Sarah K. Walsh et al. · Wilderness and Environmental Medicine · 1998 · 30 citations · Full text

Carbon dioxide contributes to the beneficial effect of pressurization in a portable hyperbaric chamber at high altitude

Christopher H.E. Imray, T. Clarke, P J Forster et al. · Clinical Science · 2001 · 19 citations

Carbon Dioxide, High Altitude, Neurophysiology +15

Effect of sildenafil and acclimatization on cerebral oxygenation at altitude

Colin Chan, Helen Hoar, Kyle T.S. Pattinson et al. · Clinical Science · 2005 · 18 citations

Hypertension, Pharmacotherapy, Cerebral Oxygenation +20

Intrapulmonary and Intracardiac Shunting With Exercise at Altitude

Chris Imray, Kyle T.S. Pattinson, Steve Myers et al. · Wilderness and Environmental Medicine · 2008 · 14 citations