Cerebral pressure autoregulation
and carbon dioxide reactivity during propofol-induced EEG suppression.
An explanation for these results is that autoregulation
remained intact in all these participants; however, failure of autoregulation
is common in this population.
2+]-dependent heterometric and homeometric autoregulation
in hypertrophied rat heart.
Incorporating a number of components into a multiple regression model that included age, mean ICP, and an index of autoregulation
did provide predictive information in relation to DIICP and outcome.
Furthermore, liver oxygenation may not be a good marker for splanchnic perfusion because of the dual hepatic blood supply and lack of autoregulation
2] associated with increasing MAP could be the result of defective autoregulation
after subarachnoid hemorrhage (SAH) and was similar to minimal or absent autoregulatory response demonstrated in head injury by Fortune et al.
However, with intact autoregulation
, cerebral vasoconstriction will occur due to increased blood pressure (Fig 1).
33,47,59] Oxygen free radicals also produce vascular dilatation and impair autoregulation
, which may further compromise per fusion.
This is especially true for patients whose cerebral autoregulation
is affected by chronic hypertension or a cerebral insult.
Untreated pain following craniotomy can lead to hemodynamic changes from increased sympathetic activity and systemic blood pressure which can increase cerebral blood flow, oxygen consumption and intracranial pressure in patients with compromised cerebral autoregulation
Vittamed has developed a platform of innovative noninvasive devices: Vittamed 205 non-invasive intracranial pressure (ICP) system that does not require patient specific calibration; and Vittamed 505 non-invasive bedside monitor for assessing cerebrovascular autoregulation
This increased risk is thought to be due to endothelial dysfunction, impaired cerebral autoregulation
, and severe hypertension (8).
This result indicated that there may have been autoregulation
when T dendrolimi was reared in different hosts.
Therefore, ARs will be acting analogously as a superpredator, impeding the natural autoregulation
of vole populations.
of terminal vascular beds, Hypertension 33: 153-161.