Publications by authors named "Timothy Howells"

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Temporal dynamics of ICP, CPP, PRx, and CPPopt in relation to outcome in spontaneous intracerebral hemorrhage.
Rozerin Kevci, Anders Hånell, Timothy Howells, Andreas Fahlström, Anders Lewén

J Neurosurg· July 2025

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Intracranial pressure dynamics, cerebral autoregulation, and brain perfusion after decompressive craniectomy in malignant middle cerebral artery infarction: is there a role for invasive monitoring?
Modar Alhamdan, Anders Hånell, Timothy Howells, Anders Lewén, Per Enblad

Acta Neurochir (Wien)· May 2025

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Machine Learning Based Prediction of Imminent ICP Insults During Neurocritical Care of Traumatic Brain Injury.
Peter Galos, Ludvig Hult, Dave Zachariah, Anders Lewén, Anders Hånell, Timothy Howells

Neurocrit Care· April 2025

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Timothy Howells, Anders Hånell, Teodor Svedung Wettervik, Per Enblad

J Neurotrauma· April 2025

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Individualized Autoregulation-Derived Cerebral Perfusion Targets in Aneurysmal Subarachnoid Hemorrhage: A New Therapeutic Avenue?
Teodor Mikael Svedung Wettervik, Anders Hånell, Timothy Howells, Elisabeth Ronne-Engström, Anders Lewén

J Intensive Care Med· November 2024

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The Optimal pressure reactivity index range is disease-specific: A comparison between aneurysmal subarachnoid hemorrhage and traumatic brain injury.
Teodor Svedung Wettervik, Timothy Howells, Anders Hånell, Anders Lewén, Per Enblad

J Clin Monit Comput· October 2024

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Autoregulatory Cerebral Perfusion Pressure Insults in Traumatic Brain Injury and Aneurysmal Subarachnoid Hemorrhage: The Role of Insult Intensity and Duration on Clinical Outcome.
Teodor Svedung Wettervik, Anders Hånell, Timothy Howells, Elisabeth R Engström, Anders Lewén

J Neurosurg Anesthesiol· July 2024

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Cerebrovascular reactivity (PRx) and optimal cerebral perfusion pressure in elderly with traumatic brain injury.
Samuel Lenell, Teodor Svedung Wettervik, Timothy Howells, Anders Hånell, Anders Lewén

Acta Neurochir (Wien)· February 2024

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Autoregulatory Management in Traumatic Brain Injury: The Role of Absolute Pressure Reactivity Index Values and Optimal Cerebral Perfusion Pressure Curve Shape.
Teodor Svedung Wettervik, Anders Hånell, Timothy Howells, Anders Lewén, Per Enblad

J Neurotrauma· November 2023

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Cerebral Microdialysis Monitoring of Energy Metabolism: Relation to Cerebral Blood Flow and Oxygen Delivery in Aneurysmal Subarachnoid Hemorrhage.
Teodor Svedung Wettervik, Henrik Engquist, Anders Hånell, Timothy Howells, Elham Rostami

J Neurosurg Anesthesiol· October 2023

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ICP, PRx, CPP, and ∆CPPopt in pediatric traumatic brain injury: the combined effect of insult intensity and duration on outcome.
Teodor Svedung Wettervik, Fartein Velle, Anders Hånell, Timothy Howells, Pelle Nilsson

Childs Nerv Syst· September 2023

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Cerebral pressure autoregulation and optimal cerebral perfusion pressure during neurocritical care of children with traumatic brain injury.
Fartein Velle, Anders Lewén, Timothy Howells, Anders Hånell, Pelle Nilsson

J Neurosurg Pediatr· May 2023

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Intracranial Pressure Variability: A New Potential Metric of Cerebral Ischemia and Energy Metabolic Dysfunction in Aneurysmal Subarachnoid Hemorrhage?
Teodor Svedung Wettervik, Timothy Howells, Anders Hånell, Elisabeth Ronne-Engström, Anders Lewén

J Neurosurg Anesthesiol· April 2023

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Higher intracranial pressure variability is associated with lower cerebrovascular resistance in aneurysmal subarachnoid hemorrhage.
Teodor Svedung Wettervik, Henrik Engquist, Timothy Howells, Anders Hånell, Elham Rostami

J Clin Monit Comput· February 2023

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ICP, CPP, and PRx in traumatic brain injury and aneurysmal subarachnoid hemorrhage: association of insult intensity and duration with clinical outcome.
Teodor Svedung Wettervik, Anders Hånell, Timothy Howells, Elisabeth Ronne Engström, Anders Lewén

J Neurosurg· February 2023

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NT-proBNP and troponin I in high-grade aneurysmal subarachnoid hemorrhage: Relation to clinical course and outcome.
Teodor Svedung Wettervik, Timothy Howells, Anders Hånell, Christoffer Nyberg, Elisabeth Ronne-Engström

J Crit Care· December 2022

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Association of Arterial Metabolic Content with Cerebral Blood Flow Regulation and Cerebral Energy Metabolism-A Multimodality Analysis in Aneurysmal Subarachnoid Hemorrhage.
Teodor Svedung Wettervik, Anders Hånell, Timothy Howells, Elisabeth Ronne-Engström, Per Enblad

J Intensive Care Med· November 2022

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Females Exhibit Better Cerebral Pressure Autoregulation, Less Mitochondrial Dysfunction, and Reduced Excitotoxicity after Severe Traumatic Brain Injury.
Teodor Svedung Wettervik, Anders Hånell, Timothy Howells, Per Enblad, Anders Lewén

J Neurotrauma· November 2022

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Cerebral Blood Flow and Oxygen Delivery in Aneurysmal Subarachnoid Hemorrhage: Relation to Neurointensive Care Targets.
Teodor Svedung Wettervik, Henrik Engquist, Anders Hånell, Timothy Howells, Elham Rostami

Neurocrit Care· August 2022

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Correction to: Cerebral Blood Flow and Oxygen Delivery in Aneurysmal Subarachnoid Hemorrhage: Relation to Neurointensive Care Targets.
Teodor Svedung Wettervik, Henrik Engquist, Anders Hånell, Timothy Howells, Elham Rostami

Neurocrit Care· August 2022

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Low intracranial pressure variability is associated with delayed cerebral ischemia and unfavorable outcome in aneurysmal subarachnoid hemorrhage.
Teodor Svedung Wettervik, Timothy Howells, Anders Hånell, Elisabeth Ronne-Engström, Anders Lewén

J Clin Monit Comput· April 2022

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Intracranial pressure- and cerebral perfusion pressure threshold-insults in relation to cerebral energy metabolism in aneurysmal subarachnoid hemorrhage.
Teodor Svedung Wettervik, Anders Hånell, Timothy Howells, Elisabeth Ronne-Engström, Anders Lewén

Acta Neurochir (Wien)· April 2022

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Intracranial pressure dynamics and cerebral vasomotor reactivity in community-acquired bacterial meningitis during neurointensive care.
Teodor Svedung Wettervik, Timothy Howells, Anna Ljunghill Hedberg, Anders Lewén, Per Enblad

J Neurosurg· March 2022

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Prognosis in moderate-severe traumatic brain injury in a Swedish cohort and external validation of the IMPACT models.
Elham Rostami, David Gustafsson, Anders Hånell, Timothy Howells, Samuel Lenell

Acta Neurochir (Wien)· March 2022

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Neurointensive care of traumatic brain injury in the elderly-age-specific secondary insult levels and optimal physiological levels to target need to be defined.
Samuel Lenell, Anders Lewén, Timothy Howells, Per Enblad

Acta Neurochir (Wien)· January 2022

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