Propofol and thiopental do not interfere with regional cerebral blood flow response at sedative concentrations

RA Veselis, VA Feshchenko, RA Reinsel… - The Journal of the …, 2005 - pubs.asahq.org
Background Anesthetics may affect the regional cerebral blood flow (rCBF) response
associated with increased brain activity in humans. rCBF was measured as auditory stimulus …

Comparative spinal distribution and clearance kinetics of intrathecally administered morphine, fentanyl, alfentanil, and sufentanil

WC Ummenhofer, RH Arends, DD Shen… - The Journal of the …, 2000 - pubs.asahq.org
Background Despite widespread use, little is known about the comparative
pharmacokinetics of intrathecally administered opioids. The present study was designed to …

The effect of clonidine infusion on distribution of regional cerebral blood flow in volunteers

V Bonhomme, P Maquet, C Phillips… - Anesthesia & …, 2008 - journals.lww.com
BACKGROUND: Through their action on the locus coeruleus, α 2-adrenoceptor agonists
induce rapidly reversible sedation while partially preserving cognitive brain functions. Our …

Remifentanil to reduce pain on injection of propofol

G Basaranoglu - Anaesthesia, 2004 - Wiley Online Library
In their paper they summarise four main findings. First, they report that it took about 40 min
for the sevoflurane concentration in arterial blood and jugular bulb blood to become the …

Continuous opioid infusions for neurosurgical procedures: a double-blind comparison of alfentanil and fentanyl

WAC Mutch, KRA Ringaert, FJ Ewert, IWC White… - Canadian journal of …, 1991 - Springer
The ability of continuous infusions of opioids to control hypertension at the end of
neurosurgical procedures without compromising prompt emergence was studied in patients …

Cerebral blood flow velocity in relation to cerebral blood flow, cerebral metabolic rate for oxygen, and electroencephalogram analysis during isoflurane anesthesia in …

E Kochs, WE Hoffman, C Werner… - Anesthesia & …, 1993 - journals.lww.com
The purpose of this study was to correlate changes in cerebral blood flow velocity (Vmean)
with cerebral blood flow (CBF) during isoflurane anesthesia in dogs. The relation between …

Effects of surgical levels of propofol and sevoflurane anesthesia on cerebral blood flow in healthy subjects studied with positron emission tomography

KK Kaisti, L Metsähonkala, M Teräs… - The Journal of the …, 2002 - pubs.asahq.org
Background The authors report a positron emission tomography (PET) study on humans
with parallel exploration of the dose-dependent effects of an intravenous (propofol) and a …

The site of action of epidural fentanyl: what can be learned by studying the difference between infusion and bolus administration? The importance of history, one …

LE Mather, MJ Cousins - Anesthesia & Analgesia, 2003 - journals.lww.com
It is now approaching a quarter of a century since “selective spinal analgesia” was
suggested as a goal for the spinal administration of opioids (1). In an ensuing study of …

Determination of the EC50Amnesic Concentration of Etomidate and Its Diffusion Profile in Brain Tissue: Implications for In VitroStudies

C Benkwitz, M Liao, MJ Laster, JM Sonner… - The Journal of the …, 2007 - pubs.asahq.org
Background Etomidate is a widely used general anesthetic that has become a useful tool to
investigate mechanisms of anesthetic action in vivo and in brain slices. However, the free …

Cerebral uptake of drugs in humans

RN Upton - Clinical and experimental pharmacology and …, 2007 - Wiley Online Library
SUMMARY 1 Drugs that target the central nervous system (CNS) are under‐represented in
the pharmacopoeia because of the difficulties of overcoming passive and active defences of …