Results 51 to 60 of about 775,260 (336)

Cerebral Autoregulation–Guided Optimal Blood Pressure in Sepsis-Associated Encephalopathy: A Case Series

Journal of Intensive Care Medicine, 2020
Background: Impaired cerebral autoregulation and cerebral hypoperfusion may play a critical role in the high morbidity and mortality in patients with sepsis-associated encephalopathy (SAE).
Kathryn Rosenblatt, K. Walker, Carrie M. Goodson, Elsa A. Olson, Dermot P Maher, Charles H. Brown, P. Nyquist   +6 more
semanticscholar   +1 more source

Cerebellar and Cerebral Autoregulation in Migraine [PDF]

Stroke, 2012
Background and Purpose— Silent ischemic brain lesions frequently occur in migraine with aura and are most often located in cerebellar border zones. This may imply an impairment of cerebellar blood flow autoregulation. This study investigated the characteristics of interictal cerebellar autoregulation in migraine with and ...
Reinhard, Matthias, Schork, Joscha David, Allignol, Arthur, Weiller, Cornelius, Kaube, Holger   +4 more
openaire   +4 more sources

The consistency of invasive and non-invasive arterial blood pressure for the assessment of dynamic cerebral autoregulation in NICU patients

Frontiers in Neurology, 2022
BackgroundStudies of the clinical application of dynamic cerebral autoregulation show considerable variations, and differences in blood pressure devices may be one of the reasons for this variation.
Weijun Zhang, Hongji Lu, Jia Liu, Aihua Ou, Pandeng Zhang, Jingxin Zhong   +5 more
doaj   +1 more source

Neonatal cerebrovascular autoregulation. [PDF]

, 2018
Cerebrovascular pressure autoregulation is the physiologic mechanism that holds cerebral blood flow (CBF) relatively constant across changes in cerebral perfusion pressure (CPP).
A Tekes, AC Larson, AC Larson, AH Beek van, AM Watkins, AN Massaro, B Smith, B Wang, B Wang, C Chiron, C Hua, CA Giller, CA Lear, CA Zamora, Christopher J. Rhee, CJ Rhee, CJ Rhee, Cristine Sortica da Costa, CS Costa da, CS Roy, CW Kuzawa, D Hori, D Nusbaum, DA Osborn, E Dempsey, F Tian, F Wong, FY Wong, G Greisen, GH Hahn, GJ Bouma, GV Varsos, H Bassan, H Lou, H O’Leary, H Skov, H Versmold, I Al-Aweel, J Kaiser, J Kaiser, J Lee, J Nichol, J Perlman, J Riera, J Toro Del, JA Howlett, Jennifer K. Lee, JJ Volpe, JK Lee, JK Lee, JK Lee, JK Lee, JK Lee, JK Lee, JK Lee, JK Lynch, JK Votava-Smith, JM Saavedra, JR Kaiser, JR Kaiser, JS Soul, JS Soul, JS Wyatt, JW Hamner, JW Wladimiroff, Ken M. Brady, KM Brady, KM Brady, KM Brady, KM Brady, L Chalak, L Steiner, LB Rorke, LM Foley, LR Ment, LR Ment, M Carrasco, M Czosnyka, M Good, M Jagersberg, M Johnston, M Kluckow, M Kluckow, M Laughon, M Pesek, M Tsuji, M Zhao, Marek Czosnyka, MH Lightburn, MJH Aries, MS Vavilala, O Pryds, PM Lewis, R Blaine Easley, R Chavez-Valdez, R Panerai, R Panerai, R Spinazzola, R Steinmeier, Report of a Joint Working Group of the British Association of Perinatal Medicine and the Research Unit of the Royal College of Physicians., S Cunningham, S Helou, S Mitra, S Soleymani, SP Yang, T Alderliesten, T Hegyi, T Hegyi, T Kusaka, Topun Austin, VJ Burton, VR Eriksen, VR Eriksen, WM Armstead, WM Armstead, WM Armstead, WM Armstead, ZS Katusic   +117 more
core   +1 more source

Effects of desflurane on cerebral autoregulation [PDF]

British Journal of Anaesthesia, 2001
The aim of this study was to determine the effects of desflurane, at 1 and 1.5 MAC, on cerebral autoregulation. Data were analysed from eight patients undergoing non-neurosurgical procedure. The blood flow velocity in the middle cerebral artery was measured by transcranial Doppler ultrasound and cerebral autoregulation was assessed by the transient ...
Ravi Mahajan, H. J. Skinner, Nigel M. Bedforth, Keith Girling   +3 more
openaire   +3 more sources

Impaired cerebral autoregulation is associated with poststroke cognitive impairment

Annals of Clinical and Translational Neurology, 2020
To investigate whether dynamic cerebral autoregulation (CA) and neuroimaging characteristics are determinants of poststroke cognitive impairment (PSCI).
N. Chi, Han-Hwa Hu, L. Chan, Cheng-Yen Wang, Shu-Ping Chao, Li‐Kai Huang, Hsiao-Lun Ku, Chaur-Jong Hu   +7 more
semanticscholar   +1 more source

Impacts of Microgravity Analogs to Spaceflight on Cerebral Autoregulation

Frontiers in Physiology, 2020
It is well known that exposure to microgravity in astronauts leads to a plethora physiological responses such as headward fluid shift, body unloading, and cardiovascular deconditioning.
M. Kermorgant, N. Nasr, M. Czosnyka, D. Arvanitis, O. Hélissen, J. Sénard, A. Pavy-Le Traon   +6 more
semanticscholar   +1 more source

Impact of impaired cerebral blood flow autoregulation on electroencephalogram signals in adults undergoing propofol anaesthesia: a pilot study

BJA Open, 2022
Background: Cerebral autoregulation actively maintains cerebral blood flow over a range of MAPs. During general anaesthesia, this mechanism may not compensate for reductions in MAP leading to brain hypoperfusion.
Elsa Manquat, Hugues Ravaux, Manuel Kindermans, Jona Joachim, José Serrano, Cyril Touchard, Joaquim Mateo, Alexandre Mebazaa, Etienne Gayat, Fabrice Vallée, Jérôme Cartailler   +10 more
doaj  

Perfusion‐Dependent Cerebral Autoregulation Impairment in Hemispheric Stroke

Annals of Neurology, 2020
Loss of cerebral autoregulation (CA) plays a key role in secondary neurologic injury. However, the regional distribution of CA impairment after acute cerebral injury remains unclear because, in clinical practice, CA is only assessed within a limited ...
Nils Hecht, Max Schrammel, K. Neumann, M. Müller, J. Dreier, P. Vajkoczy, J. Woitzik   +6 more
semanticscholar   +1 more source

Reduction for asynchronous Boolean networks: elimination of negatively autoregulated components [PDF]

Discrete Mathematics & Theoretical Computer Science, vol. 25:2, Automata, Logic and Semantics (March 22, 2024) dmtcs:10930, 2023
To simplify the analysis of Boolean networks, a reduction in the number of components is often considered. A popular reduction method consists in eliminating components that are not autoregulated, using variable substitution. In this work, we show how this method can be extended, for asynchronous dynamics of Boolean networks, to the elimination of ...
arxiv   +1 more source