Human cerebrovascular response to combined hypoxia and hypercapnia

W Shapiro, AJ Wasserman… - Circulation research, 1966 - Am Heart Assoc
The N2O technique was used in 6 human subjects to measure cerebral blood flow and
metabolism during hypoxia and hypercapnia induced by the inhalation of 10% O2-5% CO2 …

Cerebrovascular response to acute hypocapnic and eucapnic hypoxia in normal man

W Shapiro, AJ Wasserman, JP Baker… - The Journal of …, 1970 - Am Soc Clin Investig
Alterations in human cerebral blood flow and related blood constituents were studied during
exposure to acute hypoxia. Observations were made during serial inhalation of decreasing …

Enhancement of cerebrovascular effect of CO2 by hypoxia.

SR Quint, OU Scremin, RR Sonnenschein… - Stroke, 1980 - Am Heart Assoc
Internal carotid blood flow, taken as an index of cerebral blood flow (CBF); arterial pressure;
and respiratory O2 and CO2 concentrations, were measured in halothane (1%) …

Effect of acute hypoxia on blood flow in vertebral and internal carotid arteries

S Ogoh, K Sato, H Nakahara, K Okazaki… - Experimental …, 2013 - Wiley Online Library
New Findings• What is the central question of this study? Does hypoxia enhance blood flow
to all parts of the brain uniformly?• What is the main finding and its importance? During …

Influence of hypoxia on the response of CBF to hypocapnia

E Häggendal, I Winsö - Cerebral Blood Flow: Clinical and Experimental …, 1969 - Springer
Abstract Already in 1944 Noell and Schneider [3] proposed that the vasocontricting influence
of hypocapnia on the cerebral blood flow (CBF) was limited by secondary tissue hypoxia …

Effect of hypoxic-hypocapnia on cerebral regional oxygen consumption and supply

HR Weiss, E Buchweitz, AK Sinha - Microvascular Research, 1983 - Elsevier
The effect of hypoxic-hypocapnia (P a O 2, 35 mm Hg, P a CO 2, 22 mm Hg) on regional
cerebral O 2 consumption and supply was determined in 18 α-chloralose-anesthetized open …

Step Hypocapnia to Separate Arterial from Tissue Pco2 in the Regulation of Cerebral Blood Flow

JW Severinghaus, N Lassen - Circulation research, 1967 - Am Heart Assoc
The change in cerebral blood flow was determined after a step decrease in the Pco2 of
arterial blood from 40 to 25 mm Hg in awake man. Subjects monitored their own end-tidal …

Reduction of cerebrovascular reactivity during hypercapnia

AL Lopez de Pablo, MC Gonzalez… - American Journal …, 1982 - journals.physiology.org
The effects on cerebral blood flow of alpha-or beta-adrenergic receptor stimulation of
cerebral vessels were examined in 13 unanesthetized goats before and during hypercapnia …

The Relationship between Arterial PO2 and Cerebral Blood Flow in Hypoxic Hypoxia

L Borgström, H Jóhannsson… - Acta Physiologica …, 1975 - Wiley Online Library
The relationship between arterial oxygen tension (PaO2) and cerebral blood flow (CBF) in
hypoxic hypoxia was studied in artificially ventilated and normocapnic rats. Changes in CBF …

Regional cerebrovascular responses to acute ischaemia in normocapnia and hypercapnia: An experimental study in baboons

L Symon - Journal of Neurology, Neurosurgery & Psychiatry, 1970 - jnnp.bmj.com
Arterial and venous pressures have been measured in the cortical circulation of baboons.
Arterial perfusion pressure was found to be relatively lower in hypercapnia than in …