Publications by authors named "Tim Howells"

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The effects of cerebral pressure autoregulation status and CPP levels on cerebral metabolism in pediatric traumatic brain injury.
Fartein Velle, Anders Lewén, Tim Howells, Anders Hånell, Pelle Nilsson

Acta Neurochir (Wien)· April 2024

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Decompressive craniectomy as a second/third-tier intervention in traumatic brain injury: A multicenter observational study.
Brecht Decraene, Samuel P Klein, Ian Piper, Barbara Gregson, Per Enblad, Tim Howells

Injury· September 2023

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Capturing of intracranial pressure treatment during neurointensive care in patients with acute brain injury using a novel tablet-based method.
Peter Galos, Lena Nyholm, Tim Howells, Per Enblad

J Clin Monit Comput· December 2022

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Intracranial pressure elevations in diffuse axonal injury: association with nonhemorrhagic MR lesions in central mesencephalic structures.
Sami Abu Hamdeh, Niklas Marklund, Anders Lewén, Tim Howells, Raili Raininko

J Neurosurg· August 2019

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Forewarning of hypotensive events using a Bayesian artificial neural network in neurocritical care.
Rob Donald, Tim Howells, Ian Piper, P Enblad, P Nilsson

J Clin Monit Comput· February 2019

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Optimal Cerebral Perfusion Pressure in Centers With Different Treatment Protocols.
Tim Howells, Peter Smielewski, Joseph Donnelly, Marek Czosnyka, Peter J A Hutchinson

Crit Care Med· March 2018

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Decompressive craniectomy in traumatic brain injury: usage and clinical outcome in a single centre.
Teodor Svedung Wettervik, Samuel Lenell, Lena Nyholm, Tim Howells, Anders Lewén

Acta Neurochir (Wien)· February 2018

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Hemodynamic Disturbances in the Early Phase After Subarachnoid Hemorrhage: Regional Cerebral Blood Flow Studied by Bedside Xenon-enhanced CT.
Henrik Engquist, Anders Lewén, Tim Howells, Ulf Johnson, Elisabeth Ronne-Engström

J Neurosurg Anesthesiol· January 2018

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The influence of hyperthermia on intracranial pressure, cerebral oximetry and cerebral metabolism in traumatic brain injury.
Lena Nyholm, Tim Howells, Anders Lewén, Lars Hillered, Per Enblad

Ups J Med Sci· August 2017

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Increased risk of critical CBF levels in SAH patients with actual CPP below calculated optimal CPP.
Ulf Johnson, Henrik Engquist, Anders Lewén, Tim Howells, Pelle Nilsson

Acta Neurochir (Wien)· June 2017

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The effects of ventricular drainage on the intracranial pressure signal and the pressure reactivity index.
Tim Howells, Ulf Johnson, Tomas McKelvey, Elisabeth Ronne-Engström, Per Enblad

J Clin Monit Comput· April 2017

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Predictive Factors That May Contribute to Secondary Insults With Nursing Interventions in Adults With Traumatic Brain Injury.
Lena Nyholm, Tim Howells, Per Enblad

J Neurosci Nurs· February 2017

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Extended Anatomical Grading in Diffuse Axonal Injury Using MRI: Hemorrhagic Lesions in the Substantia Nigra and Mesencephalic Tegmentum Indicate Poor Long-Term Outcome.
Sami Abu Hamdeh, Niklas Marklund, Marianne Lannsjö, Tim Howells, Raili Raininko

J Neurotrauma· January 2017

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Bedside Xenon-CT Shows Lower CBF in SAH Patients with Impaired CBF Pressure Autoregulation as Defined by Pressure Reactivity Index (PRx).
Ulf Johnson, Henrik Engquist, Tim Howells, Pelle Nilsson, Elisabeth Ronne-Engström

Neurocrit Care· August 2016

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An optimal frequency range for assessing the pressure reactivity index in patients with traumatic brain injury.
Tim Howells, Ulf Johnson, Tomas McKelvey, Per Enblad

J Clin Monit Comput· February 2015

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Should the neurointensive care management of traumatic brain injury patients be individualized according to autoregulation status and injury subtype?
Ulf Johnson, Anders Lewén, Elisabeth Ronne-Engström, Tim Howells, Per Enblad

Neurocrit Care· October 2014

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Brain tissue oxygenation and cerebral metabolic patterns in focal and diffuse traumatic brain injury.
Karlis Purins, Anders Lewén, Lars Hillered, Tim Howells, Per Enblad

Front Neurol· May 2014

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Introduction of the Uppsala Traumatic Brain Injury register for regular surveillance of patient characteristics and neurointensive care management including secondary insult quantification and clinical outcome.
Lena Nyholm, Tim Howells, Per Enblad, Anders Lewén

Ups J Med Sci· August 2013

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The use of nurse checklists in a bedside computer-based information system to focus on avoiding secondary insults in neurointensive care.
Lena Nyholm, Anders Lewén, Camilla Fröjd, Tim Howells, Pelle Nilsson

ISRN Neurol· August 2012

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An evaluation of three measures of intracranial compliance in traumatic brain injury patients.
Tim Howells, Anders Lewén, Mattias K Sköld, Elisabeth Ronne-Engström, Per Enblad

Intensive Care Med· June 2012

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Early warning of EUSIG-defined hypotensive events using a Bayesian Artificial Neural Network.
Rob Donald, Tim Howells, Ian Piper, I Chambers, G Citerio

Acta Neurochir Suppl· May 2012

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Trigger characteristics of EUSIG-defined hypotensive events.
Rob Donald, Tim Howells, Ian Piper, I Chambers, G Citerio

Acta Neurochir Suppl· May 2012

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Favorable outcome in traumatic brain injury patients with impaired cerebral pressure autoregulation when treated at low cerebral perfusion pressure levels.
Ulf Johnson, Pelle Nilsson, Elisabeth Ronne-Engström, Tim Howells, Per Enblad

Neurosurgery· March 2011

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The brain monitoring with Information Technology (BrainIT) collaborative network: EC feasibility study results and future direction.
Ian Piper, Iain Chambers, Giuseppe Citerio, Per Enblad, Barbara Gregson, Tim Howells

Acta Neurochir (Wien)· November 2010

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Neurointensive care is justified in elderly patients with severe subarachnoid hemorrhage--an outcome and secondary insults study.
Mats Ryttlefors, Tim Howells, Elisabeth Ronne-Engström, Pelle Nilsson, Per Enblad

Acta Neurochir (Wien)· February 2010

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