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Piotr Smielewski

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Christos Lazaridis; John D Pickard; Piotr Smielewski; Luzius A Steiner; Ken M Brady; Peter Hutchinson; Marek Czosnyka
Optimal cerebral perfusion pressure: are we ready for it?
Cheng-Wei Lu; John D Pickard; Jiann-Shing Shieh; Anna Smielewska; Marek Czosnyka; Piotr Smielewski
Complexity of intracranial pressure correlates with outcome after traumatic brain injury.
Marcel J H Aries; Ken M Brady; Karol P Budohoski; Marek Czosnyka; Peter J Hutchinson; Angelos G Kolias; Andrea Lavinio; David K Menon; John D Pickard; Luzius A Steiner; Piotr Smielewski
Continuous determination of optimal cerebral perfusion pressure in traumatic brain injury.

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2013: Christos Lazaridis; John D Pickard; Piotr Smielewski; Luzius A Steiner; Ken M Brady; Peter Hutchinson; Marek Czosnyka
Optimal cerebral perfusion pressure: are we ready for it?
Neurological research 2013;35(2):138-48.
2012: Cheng-Wei Lu; John D Pickard; Jiann-Shing Shieh; Anna Smielewska; Marek Czosnyka; Piotr Smielewski
Complexity of intracranial pressure correlates with outcome after traumatic brain injury.
Brain : a journal of neurology 2012;135(Pt 8):2399-408.
2012: Marcel J H Aries; Ken M Brady; Karol P Budohoski; Marek Czosnyka; Peter J Hutchinson; Angelos G Kolias; Andrea Lavinio; David K Menon; John D Pickard; Luzius A Steiner; Piotr Smielewski
Continuous determination of optimal cerebral perfusion pressure in traumatic brain injury.
Critical care medicine 2012;40(8):2456-63.
2012: Marcel J H Aries; Karol P Budohoski; Marek Czosnyka; Angelos G Kolias; Andrea Lavinio; John D Pickard; Danila K Radolovich; Piotr Smielewski
Continuous monitoring of cerebrovascular reactivity using pulse waveform of intracranial pressure.
Neurocritical care 2012;17(1):67-76.
2012: Nicolás de Riva; Neus Fábregas; Magdalena Kasprowicz; John D Pickard; Matthias Reinhard; Piotr Smielewski; Luzius A Steiner; Christian Zweifel; Karol P Budohoski; Marek Czosnyka
Transcranial Doppler pulsatility index: what it is and what it isn't.
Neurocritical care 2012;17(1):58-66.
2012: Magdalena Kasprowicz; John D Pickard; Matthias Reinhard; Piotr Smielewski; Luzius A Steiner; Karol P Budohoski; Emmanuel Carrera; Jennifer Diedler; Christina Haubrich; Marek Czosnyka
Time constant of the cerebral arterial bed in normal subjects.
Ultrasound in medicine & biology 2012;38(7):1129-37.
2012: Christopher J Rhee; Piotr Smielewski; Dean B Andropoulos; Marek Czosnyka; RONALD EASLEY; Kathleen K Kibler; Ken M Brady
Renovascular reactivity measured by near-infrared spectroscopy.
Journal of applied physiology (Bethesda, Md. : 1985) 2012;113(2):307-14.
2012: Magdalena Kasprowicz; Peter J Kirkpatrick; John D Pickard; Piotr Smielewski; Martin Soehle; Marek Czosnyka; Karol P Budohoski
Vasospasm shortens cerebral arterial time constant.
Neurocritical care 2012;16(2):213-8.
2012: E Sorrentino; K P Budohoski; Jennifer Diedler; Christina Haubrich; P J Hutchinson; Magdalena Kasprowicz; A Manktelow; David K Menon; J G Outtrim; John D Pickard; Piotr Smielewski; Marek Czosnyka
Critical thresholds for cerebrovascular reactivity after traumatic brain injury.
Neurocritical care 2012;16(2):258-66.
2012: Ruwan Alwis Weerakkody; Christian Zweifel; John D Pickard; Piotr Smielewski; Ken M Brady; Gianluca Castellani; Marek Czosnyka; Zofia Czosnyka
Near infrared spectroscopy as possible non-invasive monitor of slow vasogenic ICP waves.
Acta neurochirurgica. Supplement 2012;114():181-5.
2012: Christina Haubrich; Magdalena Kasprowicz; D J Kim; John D Pickard; Piotr Smielewski; Luzius Steiner; Rolf R Diehl; Marek Czosnyka
How does moderate hypocapnia affect cerebral autoregulation in response to changes in perfusion pressure in TBI patients?
Acta neurochirurgica. Supplement 2012;114():153-6.
2012: Philip M Lewis; John D Pickard; Jeffrey V Rosenfeld; Piotr Smielewski; Marek Czosnyka
Monitoring of the association between cerebral blood flow velocity and intracranial pressure.
Acta neurochirurgica. Supplement 2012;114():147-51.
2012: Philip M Lewis; John D Pickard; Jeffrey V Rosenfeld; Piotr Smielewski; Marek Czosnyka
Assessment of cerebral autoregulation from respiratory oscillations in ventilated patients after traumatic brain injury.
Acta neurochirurgica. Supplement 2012;114():141-6.
2012: Karol P Budohoski; Magdalena Kasprowicz; Jurgen Klingelhöfer; John D Pickard; Ronny Plontke; Bernhard Schmidt; Piotr Smielewski; Marek Czosnyka
Non-invasively estimated ICP pulse amplitude strongly correlates with outcome after TBI.
Acta neurochirurgica. Supplement 2012;114():121-5.
2012: Piotr Smielewski; Zofia Czosnyka; Magdalena Kasprowicz; John D Pickard; Marek Czosnyka
ICM+: a versatile software for assessment of CSF dynamics.
Acta neurochirurgica. Supplement 2012;114():75-9.
2012: Magdalena Kasprowicz; Peter J Kirkpatrick; John D Pickard; Matthias Reinhard; Piotr Smielewski; Enrico Sorrentino; Karol P Budohoski; Emmanuel Carrera; Jennifer Diedler; Christina Haubrich; Marek Czosnyka
Time constant of the cerebral arterial bed.
Acta neurochirurgica. Supplement 2012;114():17-21.
2011: D K Radolovich; Piotr Smielewski; Andrea Lavinio; John D Pickard; M J H Aries; G Castellani; Alberto Corona; Marek Czosnyka
Pulsatile intracranial pressure and cerebral autoregulation after traumatic brain injury.
Neurocritical care 2011;15(3):379-86.
2011: Jennifer K Lee; Jennifer O Mytar; Donald H Shaffner; Piotr Smielewski; Ken M Brady; Erin L Carter; Marek Czosnyka; RONALD EASLEY; Karen G Hirsch; Charles W Hogue; Lori C Jordan; Kathleen K Kibler; Raymond C Koehler
Cerebral blood flow and cerebrovascular autoregulation in a swine model of pediatric cardiac arrest and hypothermia.
Critical care medicine 2011;39(10):2337-45.
2011: Christina Haubrich; Magdalena Kasprowicz; Piotr Smielewski; Luzius Steiner; Emmanuel Carrera; Jennifer Diedler; Rolf R Diehl; Marek Czosnyka
Short-term moderate hypocapnia augments detection of optimal cerebral perfusion pressure.
Journal of neurotrauma 2011;28(7):1133-7.
2011: Enrico Sorrentino; Karol P Budohoski; Magdalena Kasprowicz; Piotr Smielewski; Basil F Matta; John D Pickard; Marek Czosnyka
Critical thresholds for transcranial Doppler indices of cerebral autoregulation in traumatic brain injury.
Neurocritical care 2011;14(2):188-93.
2011: Ivan Timofeev; Keri L H Carpenter; Jurgens Nortje; Pippa G Al-Rawi; Mark T O'Connell; Marek Czosnyka; Piotr Smielewski; John D Pickard; David K Menon; Peter J Kirkpatrick; Arun K Gupta; Peter J Hutchinson
Cerebral extracellular chemistry and outcome following traumatic brain injury: a microdialysis study of 223 patients.
Brain : a journal of neurology 2011;134(Pt 2):484-94.
2010: Ruwan A Weerakkody; Marek Czosnyka; Christian Zweifel; Gianluca Castellani; Piotr Smielewski; Nicole Keong; Christina Haubrich; John Pickard; Zofia Czosnyka
Slow vasogenic fluctuations of intracranial pressure and cerebral near infrared spectroscopy--an observational study.
Acta neurochirurgica 2010;152(10):1763-9.
2010: Magdalena Kasprowicz; E Schmidt; D J Kim; C Haubrich; Zofia Czosnyka; Piotr Smielewski; Marek Czosnyka
Evaluation of the cerebrovascular pressure reactivity index using non-invasive finapres arterial blood pressure.
Physiological measurement 2010;31(9):1217-28.
2010: Ken M Brady; Brijen Joshi; Christian Zweifel; Piotr Smielewski; Marek Czosnyka; RONALD EASLEY; Charles Hogue
Real-time continuous monitoring of cerebral blood flow autoregulation using near-infrared spectroscopy in patients undergoing cardiopulmonary bypass.
Stroke; a journal of cerebral circulation 2010;41(9):1951-6.
2010: Christian Zweifel; Gianluca Castellani; Marek Czosnyka; Emmanuel Carrera; Ken M Brady; Peter J Kirkpatrick; John D Pickard; Piotr Smielewski
Continuous assessment of cerebral autoregulation with near-infrared spectroscopy in adults after subarachnoid hemorrhage.
Stroke; a journal of cerebral circulation 2010;41(9):1963-8.
2010: Philippe Bijlenga; Marek Czosnyka; Karol P Budohoski; Martin Soehle; John D Pickard; Peter J Kirkpatrick; Piotr Smielewski
"Optimal cerebral perfusion pressure" in poor grade patients after subarachnoid hemorrhage.
Neurocritical care 2010;13(1):17-23.
2010: Ken M Brady; Jennifer O Mytar; Kathleen K Kibler; Charles Hogue; Jennifer Kim Lee-Summers; Marek Czosnyka; Piotr Smielewski; RONALD EASLEY
Noninvasive autoregulation monitoring with and without intracranial pressure in the naive piglet brain.
Anesthesia and analgesia 2010;111(1):191-5.
2010: Dong-Joo Kim; Emmanuel Carrera; Marek Czosnyka; Nicole Keong; Piotr Smielewski; Oliveir Balédent; Michael P F Sutcliffe; John D Pickard; Zofia Czosnyka
Cerebrospinal compensation of pulsating cerebral blood volume in hydrocephalus.
Neurological research 2010;32(6):587-92.
2010: Christian Zweifel; Marek Czosnyka; Andrea Lavinio; Gianluca Castellani; Dong-Joo Kim; Emmanuel Carrera; John D Pickard; Peter J Kirkpatrick; Piotr Smielewski
A comparison study of cerebral autoregulation assessed with transcranial Doppler and cortical laser Doppler flowmetry.
Neurological research 2010;32(4):425-8.
2010: Brijen Joshi; Ken M Brady; Jennifer Kim Lee-Summers; RONALD EASLEY; Rabi Panigrahi; Piotr Smielewski; Marek Czosnyka; Charles Hogue
Impaired autoregulation of cerebral blood flow during rewarming from hypothermic cardiopulmonary bypass and its potential association with stroke.
Anesthesia and analgesia 2010;110(2):321-8.
2010: Danila K Radolovich; Marek Czosnyka; Ivan Timofeev; Andrea Lavinio; Dong-Joo Kim; Matthias Jaeger; Peter Hutchinson; Arun Gupta; John D Pickard; Piotr Smielewski
Transient changes in brain tissue oxygen in response to modifications of cerebral perfusion pressure: an observational study.
Anesthesia and analgesia 2010;110(1):165-73.
2009: Ken M Brady; Donald H Shaffner; Jennifer Kim Lee-Summers; RONALD EASLEY; Piotr Smielewski; Marek Czosnyka; George I Jallo; Anne-Marie Guerguerian
Continuous monitoring of cerebrovascular pressure reactivity after traumatic brain injury in children.
Pediatrics 2009;124(6):e1205-12.
2009: Dong-Joo Kim; Magdalena Kasprowicz; Emmanuel Carrera; Gianluca Castellani; Christian Zweifel; Andrea Lavinio; Piotr Smielewski; Michael P F Sutcliffe; John D Pickard; Marek Czosnyka
The monitoring of relative changes in compartmental compliances of brain.
Physiological measurement 2009;30(7):647-59.
2009: Jennifer Kim Lee-Summers; Kathleen K Kibler; Paul B Benni; RONALD EASLEY; Marek Czosnyka; Piotr Smielewski; Raymond C Koehler; Donald H Shaffner; Ken M Brady
Cerebrovascular reactivity measured by near-infrared spectroscopy.
Stroke; a journal of cerebral circulation 2009;40(5):1820-6.
2009: Ken M Brady; Jennifer Kim Lee-Summers; Kathleen K Kibler; RONALD EASLEY; Raymond C Koehler; Marek Czosnyka; Piotr Smielewski; Donald H Shaffner
The lower limit of cerebral blood flow autoregulation is increased with elevated intracranial pressure.
Anesthesia and analgesia 2009;108(4):1278-83.
2009: Dong-Joo Kim; Zofia Czosnyka; Nicole Keong; Danila K Radolovich; Piotr Smielewski; Michael P F Sutcliffe; John D Pickard; Marek Czosnyka
Index of cerebrospinal compensatory reserve in hydrocephalus.
Neurosurgery 2009;64(3):494-501; discussion 501-2.
2009: Gianluca Castellani; Christian Zweifel; Dong-Joo Kim; Emmanuel Carrera; Danila K Radolovich; Piotr Smielewski; Peter J Hutchinson; John D Pickard; Marek Czosnyka
Plateau waves in head injured patients requiring neurocritical care.
Neurocritical care 2009;11(2):143-50.
2009: Danila K Radolovich; Marek Czosnyka; Ivan Timofeev; Andrea Lavinio; Peter Hutchinson; Arun Gupta; John D Pickard; Piotr Smielewski
Reactivity of brain tissue oxygen to change in cerebral perfusion pressure in head injured patients.
Neurocritical care 2009;10(3):274-9.
2009: Marek Czosnyka; Ken M Brady; Matthias Reinhard; Piotr Smielewski; Luzius A Steiner
Monitoring of cerebrovascular autoregulation: facts, myths, and missing links.
Neurocritical care 2009;10(3):373-86.
2009: Luzius A Steiner; David G Pfister; Stephan P Strebel; Danila Radolovich; Piotr Smielewski; Marek Czosnyka
Near-infrared spectroscopy can monitor dynamic cerebral autoregulation in adults.
Neurocritical care 2009;10(1):122-8.
2008: Christian Zweifel; Andrea Lavinio; Luzius A Steiner; Danila Radolovich; Piotr Smielewski; Ivan Timofeev; Magdalena Hiler; Marcella Balestreri; Peter J Kirkpatrick; John D Pickard; Peter Hutchinson; Marek Czosnyka
Continuous monitoring of cerebrovascular pressure reactivity in patients with head injury.
Neurosurgical focus 2008;25(4):E2.
2008: Andrea Lavinio; Sally Harding; Floor Van Der Boogaard; Marek Czosnyka; Piotr Smielewski; Hugh K Richards; John D Pickard; Zofia H Czosnyka
Magnetic field interactions in adjustable hydrocephalus shunts.
Journal of neurosurgery. Pediatrics 2008;2(3):222-8.
2008: Piotr Smielewski; Andrea Lavinio; Ivan Timofeev; D Radolovich; I Perkes; John D Pickard; Marek Czosnyka
ICM+, a flexible platform for investigations of cerebrospinal dynamics in clinical practice.
Acta neurochirurgica. Supplement 2008;102():145-51.
2008: Zofia Czosnyka; N Keong; D J Kim; D Radolovich; Piotr Smielewski; Andrea Lavinio; Eric A Schmidt; Shahan Momjian; Brian K Owler; John D Pickard; Marek Czosnyka
Pulse amplitude of intracranial pressure waveform in hydrocephalus.
Acta neurochirurgica. Supplement 2008;102():137-40.
2008: David G Pfister; B Schmidt; Piotr Smielewski; Martin Siegemund; Stephan Strebel; Stephan Rüegg; Stephan Marsch; Hans Pargger; Luzius A Steiner
Intracranial pressure in patients with sepsis.
Acta neurochirurgica. Supplement 2008;102():71-5.
2008: Marek Czosnyka; Danila Radolovich; Marcella Balestreri; Andrea Lavinio; Peter Hutchinson; Ivan Timofeev; Piotr Smielewski; John D Pickard
Gender-related differences in intracranial hypertension and outcome after traumatic brain injury.
Acta neurochirurgica. Supplement 2008;102():25-8.
2008: Andrea Lavinio; Bogdan Ene-Iordache; Ilaria Nodari; Alan Girardini; Elena Cagnazzi; Frank Rasulo; Piotr Smielewski; Marek Czosnyka; Nicola Latronico
Cerebrovascular reactivity and autonomic drive following traumatic brain injury.
Acta neurochirurgica. Supplement 2008;102():3-7.
2008: Maria Giulia Abate; Monica Trivedi; Tim D Fryer; Piotr Smielewski; Doris A Chatfield; Guy B Williams; Franklin I Aigbirhio; T Adrian Carpenter; John D Pickard; David K Menon; Jonathan P Coles
Early derangements in oxygen and glucose metabolism following head injury: the ischemic penumbra and pathophysiological heterogeneity.
Neurocritical care 2008;9(3):319-25.
2008: David G Pfister; Martin Siegemund; Salome Dell-Kuster; Piotr Smielewski; Stephan Rüegg; Stephan P Strebel; Stephan C U Marsch; Hans Pargger; Luzius A Steiner
Cerebral perfusion in sepsis-associated delirium.
Critical care (London, England) 2008;12(3):R63.
2008: Ivan Timofeev; Marek Czosnyka; Jurgens Nortje; Piotr Smielewski; Peter Kirkpatrick; Arun Gupta; Peter Hutchinson
Effect of decompressive craniectomy on intracranial pressure and cerebrospinal compensation following traumatic brain injury.
Journal of neurosurgery 2008;108(1):66-73.
2008: Marek Czosnyka; Piotr Smielewski; Andrea Lavinio; John D Pickard; Ronney Panerai
An assessment of dynamic autoregulation from spontaneous fluctuations of cerebral blood flow velocity: a comparison of two models, index of autoregulation and mean flow index.
Anesthesia and analgesia 2008;106(1):234-9, table of contents.
2008: Jurgens Nortje; Jonathan P Coles; Ivan Timofeev; Tim D Fryer; Franklin I Aigbirhio; Piotr Smielewski; Joanne Outtrim; Doris A Chatfield; John D Pickard; Peter J Hutchinson; Arun K Gupta; David K Menon
Effect of hyperoxia on regional oxygenation and metabolism after severe traumatic brain injury: preliminary findings.
Critical care medicine 2008;36(1):273-81.
2007: Marek Czosnyka; Piotr Smielewski; Andrea Lavinio; Zofia Czosnyka; John D Pickard
A synopsis of brain pressures: which? when? are they all useful?
Neurological research 2007;29(7):672-9.
2007: Ken M Brady; Jennifer Kim Lee-Summers; Kathleen K Kibler; Piotr Smielewski; Marek Czosnyka; RONALD EASLEY; Raymond C Koehler; Donald H Shaffner
Continuous time-domain analysis of cerebrovascular autoregulation using near-infrared spectroscopy.
Stroke; a journal of cerebral circulation 2007;38(10):2818-25.
2007: Christina Haubrich; Zofia Czosnyka; Andrea Lavinio; Piotr Smielewski; Rolf R Diehl; John D Pickard; Marek Czosnyka
Is there a direct link between cerebrovascular activity and cerebrospinal fluid pressure-volume compensation?
Stroke; a journal of cerebral circulation 2007;38(10):2677-80.
2007: V F J Newcombe; Guy B Williams; Jurgens Nortje; Peter G Bradley; S G Harding; Piotr Smielewski; Jonathan P Coles; B Maiya; Jonathan H Gillard; Peter J Hutchinson; John D Pickard; T Adrian Carpenter; David K Menon
Analysis of acute traumatic axonal injury using diffusion tensor imaging.
British journal of neurosurgery 2007;21(4):340-8.
2007: Anders Eklund; Piotr Smielewski; Iain Chambers; Noam Alperin; Jan Malm; Marek Czosnyka; Anthony Marmarou
Assessment of cerebrospinal fluid outflow resistance.
Medical & biological engineering & computing 2007;45(8):719-35.
2007: Andrea Lavinio; Ivan Timofeev; Jurgens Nortje; Joanne Outtrim; Piotr Smielewski; A Gupta; Peter J Hutchinson; Basil F Matta; John D Pickard; David Menon; Marek Czosnyka
Cerebrovascular reactivity during hypothermia and rewarming.
British journal of anaesthesia 2007;99(2):237-44.
2007: P M Lewis; Piotr Smielewski; John D Pickard; Marek Czosnyka
Dynamic cerebral autoregulation: should intracranial pressure be taken into account?
Acta neurochirurgica 2007;149(6):549-55; discussion 555.
2007: Philip M Lewis; Piotr Smielewski; John D Pickard; Marek Czosnyka
Slow oscillations in middle cerebral artery cerebral blood flow velocity and aging.
Neurological research 2007;29(3):260-3.
2007: Andrea Lavinio; Eric A Schmidt; Christina Haubrich; Piotr Smielewski; John D Pickard; Marek Czosnyka
Noninvasive evaluation of dynamic cerebrovascular autoregulation using Finapres plethysmograph and transcranial Doppler.
Stroke; a journal of cerebral circulation 2007;38(2):402-4.
2007: Jonathan P Coles; Tim D Fryer; Martin R Coleman; Piotr Smielewski; Arun K Gupta; Pawan S Minhas; Franklin I Aigbirhio; Doris A Chatfield; Guy B Williams; Simon Boniface; T Adrian Carpenter; John C Clark; John D Pickard; David K Menon
Hyperventilation following head injury: effect on ischemic burden and cerebral oxidative metabolism.
Critical care medicine 2007;35(2):568-78.
2007: Marek Czosnyka; Piotr Smielewski; Ivan Timofeev; Andrea Lavinio; Eric Guazzo; Peter Hutchinson; John D Pickard
Intracranial pressure: more than a number.
Neurosurgical focus 2007;22(5):E10.
2007: Marek Czosnyka; Zofia Czosnyka; Nicole Keong; Andrea Lavinio; Piotr Smielewski; Shahan Momjian; Eric A Schmidt; Gianpaolo Petrella; Brian K Owler; John D Pickard
Pulse pressure waveform in hydrocephalus: what it is and what it isn't.
Neurosurgical focus 2007;22(4):E2.
2006: Magdalena Hiler; Marek Czosnyka; Peter Hutchinson; Marcella Balestreri; Piotr Smielewski; Basil F Matta; John D Pickard
Predictive value of initial computerized tomography scan, intracranial pressure, and state of autoregulation in patients with traumatic brain injury.
Journal of neurosurgery 2006;104(5):731-7.
2006: Marek Czosnyka; Peter J Hutchinson; Marcella Balestreri; Magdalena Hiler; Piotr Smielewski; John D Pickard
Monitoring and interpretation of intracranial pressure after head injury.
Acta neurochirurgica. Supplement 2006;96():114-8.
2006: K Guendling; Piotr Smielewski; Marek Czosnyka; P Lewis; Jurgens Nortje; Ivan Timofeev; Peter J Hutchinson; John D Pickard
Use of ICM+ software for on-line analysis of intracranial and arterial pressures in head-injured patients.
Acta neurochirurgica. Supplement 2006;96():108-13.
2006: Marcella Balestreri; Marek Czosnyka; Peter Hutchinson; Luzius A Steiner; Magdalena Hiler; Piotr Smielewski; John D Pickard
Impact of intracranial pressure and cerebral perfusion pressure on severe disability and mortality after head injury.
Neurocritical care 2006;4(1):8-13.
2006: Jonathan P Coles; Tim D Fryer; Peter G Bradley; Jurgens Nortje; Piotr Smielewski; Kenneth Rice; John C Clark; John D Pickard; David K Menon
Intersubject variability and reproducibility of 15O PET studies.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2006;26(1):48-57.
2005: A Kumar; Eric A Schmidt; Magdalena Hiler; Piotr Smielewski; John D Pickard; Marek Czosnyka
Asymmetry of critical closing pressure following head injury.
Journal of neurology, neurosurgery, and psychiatry 2005;76(11):1570-3.
2005: AS Cunningham; Raymond Salvador; Jonathan P Coles; Doris A Chatfield; Peter G Bradley; Andrew J Johnston; Luzius A Steiner; Tim D Fryer; Franklin I Aigbirhio; Piotr Smielewski; Guy B Williams; T Adrian Carpenter; Jonathan H Gillard; John D Pickard; David K Menon
Physiological thresholds for irreversible tissue damage in contusional regions following traumatic brain injury.
Brain : a journal of neurology 2005;128(Pt 8):1931-42.
2005: Luzius A Steiner; Marcella Balestreri; Andrew J Johnston; Jonathan P Coles; Piotr Smielewski; John D Pickard; David K Menon; Marek Czosnyka
Predicting the response of intracranial pressure to moderate hyperventilation.
Acta neurochirurgica 2005;147(5):477-83; discussion 483.
2005: Marek Czosnyka; Marcella Balestreri; Luzius Steiner; Piotr Smielewski; Peter J Hutchinson; Basil F Matta; John D Pickard
Age, intracranial pressure, autoregulation, and outcome after brain trauma.
Journal of neurosurgery 2005;102(3):450-4.
2005: John D Pickard; Peter J Hutchinson; Jonathan P Coles; Luzius A Steiner; Andrew J Johnston; Tim D Fryer; Martin R Coleman; Piotr Smielewski; Doris A Chatfield; Franklin I Aigbirhio; Guy B Williams; Kenneth Rice; John C Clark; Claire H Salmond; Barbara J Sahakian; Peter G Bradley; T Adrian Carpenter; Raymond Salvador; Alonso Pena; Jonathan H Gillard; AS Cunningham; Stefan Piechnik; Marek Czosnyka; David K Menon
Imaging of cerebral blood flow and metabolism in brain injury in the ICU.
Acta neurochirurgica. Supplement 2005;95():459-64.
2005: Marek Czosnyka; Luzius Steiner; Marcella Balestreri; E Schmidt; Piotr Smielewski; Peter J Hutchinson; John D Pickard
Concept of "true ICP" in monitoring and prognostication in head trauma.
Acta neurochirurgica. Supplement 2005;95():341-4.
2005: Zofia Czosnyka; Marek Czosnyka; Brian K Owler; Shahan Momjian; Magdalena Kasprowicz; Eric A Schmidt; Piotr Smielewski; John D Pickard
Clinical testing of CSF circulation in hydrocephalus.
Acta neurochirurgica. Supplement 2005;95():247-51.
2005: Piotr Smielewski; Marek Czosnyka; Luzius Steiner; M Belestri; Stefan Piechnik; John D Pickard
ICM+: software for on-line analysis of bedside monitoring data after severe head trauma.
Acta neurochirurgica. Supplement 2005;95():43-9.
2005: Andrew J Johnston; Luzius A Steiner; Jonathan P Coles; Doris A Chatfield; Tim D Fryer; Piotr Smielewski; Peter J Hutchinson; Mark T O'Connell; Pippa G Al-Rawi; Franklin I Aigbirihio; John C Clark; John D Pickard; Arun K Gupta; David K Menon
Effect of cerebral perfusion pressure augmentation on regional oxygenation and metabolism after head injury.
Critical care medicine 2005;33(1):189-95; discussion 255-7.
2004: Luzius A Steiner; Marcella Balestreri; Andrew J Johnston; Marek Czosnyka; Jonathan P Coles; Doris A Chatfield; Piotr Smielewski; John D Pickard; David K Menon
Sustained moderate reductions in arterial CO2 after brain trauma time-course of cerebral blood flow velocity and intracranial pressure.
Intensive care medicine 2004;30(12):2180-7.
2004: Joseph V Guadagno; Elizabeth A Warburton; Franklin I Aigbirhio; Piotr Smielewski; Tim D Fryer; Sally Harding; Christopher J Price; Jonathan H Gillard; T Adrian Carpenter; Jean-Claude Baron
Does the acute diffusion-weighted imaging lesion represent penumbra as well as core? A combined quantitative PET/MRI voxel-based study.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2004;24(11):1249-54.
2004: Szu-Fu Chen; Hugh K Richards; Piotr Smielewski; Peter Johnström; Raymond Salvador; John D Pickard; Neil G Harris
Relationship between flow-metabolism uncoupling and evolving axonal injury after experimental traumatic brain injury.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2004;24(9):1025-36.
2004: Pawan S Minhas; Piotr Smielewski; Peter J Kirkpatrick; John D Pickard; Marek Czosnyka
Pressure autoregulation and positron emission tomography-derived cerebral blood flow acetazolamide reactivity in patients with carotid artery stenosis.
Neurosurgery 2004;55(1):63-7; discussion 67-8.
2004: David K Menon; Jonathan P Coles; Arun K Gupta; Tim D Fryer; Piotr Smielewski; Doris A Chatfield; Franklin I Aigbirhio; Jeremy N Skepper; Pawan S Minhas; Peter J Hutchinson; T Adrian Carpenter; John C Clark; John D Pickard
Diffusion limited oxygen delivery following head injury.
Critical care medicine 2004;32(6):1384-90.
2004: Brian K Owler; Alonso Pena; Shahan Momjian; Zofia Czosnyka; Marek Czosnyka; Neil G Harris; Piotr Smielewski; Tim Fryer; Tim Donvan; Adrian Carpenter; John D Pickard
Changes in cerebral blood flow during cerebrospinal fluid pressure manipulation in patients with normal pressure hydrocephalus: a methodological study.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2004;24(5):579-87.
2004: Marcella Balestreri; Marek Czosnyka; Luzius A Steiner; E Schmidt; Piotr Smielewski; Basil F Matta; John D Pickard
Intracranial hypertension: what additional information can be derived from ICP waveform after head injury?
Acta neurochirurgica 2004;146(2):131-41.
2004: Jonathan P Coles; Tim D Fryer; Piotr Smielewski; Doris A Chatfield; Luzius A Steiner; Andrew J Johnston; Stephen P M J Downey; Guy B Williams; Franklin I Aigbirhio; Peter J Hutchinson; Kenneth Rice; T Adrian Carpenter; John C Clark; John D Pickard; David K Menon
Incidence and mechanisms of cerebral ischemia in early clinical head injury.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2004;24(2):202-11.
2004: Jonathan P Coles; Tim D Fryer; Piotr Smielewski; Kenneth Rice; John C Clark; John D Pickard; David K Menon
Defining ischemic burden after traumatic brain injury using 15O PET imaging of cerebral physiology.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2004;24(2):191-201.
2004: Marcella Balestreri; Marek Czosnyka; Doris A Chatfield; Luzius A Steiner; Eric A Schmidt; Piotr Smielewski; Basil F Matta; John D Pickard
Predictive value of Glasgow Coma Scale after brain trauma: change in trend over the past ten years.
Journal of neurology, neurosurgery, and psychiatry 2004;75(1):161-2.
2004: Brian K Owler; Shahan Momjian; Zofia Czosnyka; Marek Czosnyka; Alonso Péna; Neil G Harris; Piotr Smielewski; Tim Fryer; T Donovan; Jonathon Coles; Adrian Carpenter; John D Pickard
Normal pressure hydrocephalus and cerebral blood flow: a PET study of baseline values.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2004;24(1):17-23.
2003: Eric A Schmidt; Marek Czosnyka; Luzius A Steiner; Marcella Balestreri; Piotr Smielewski; Stefan Piechnik; Basil F Matta; John D Pickard
Asymmetry of pressure autoregulation after traumatic brain injury.
Journal of neurosurgery 2003;99(6):991-8.
2003: Luzius A Steiner; Jonathan P Coles; Andrew J Johnston; Marek Czosnyka; Tim D Fryer; Piotr Smielewski; Doris A Chatfield; Raymond Salvador; Franklin I Aigbirhio; John C Clark; David K Menon; John D Pickard
Responses of posttraumatic pericontusional cerebral blood flow and blood volume to an increase in cerebral perfusion pressure.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2003;23(11):1371-7.
2003: Luzius A Steiner; Jonathan P Coles; Andrew J Johnston; Doris A Chatfield; Piotr Smielewski; Tim D Fryer; Franklin I Aigbirhio; John C Clark; John D Pickard; David K Menon; Marek Czosnyka
Assessment of cerebrovascular autoregulation in head-injured patients: a validation study.
Stroke; a journal of cerebral circulation 2003;34(10):2404-9.
2003: Peter J Nestor; Tim D Fryer; Piotr Smielewski; John R Hodges
Limbic hypometabolism in Alzheimer's disease and mild cognitive impairment.
Annals of neurology 2003;54(3):343-51.
2003: I Gooskens; Eric A Schmidt; Marek Czosnyka; Stefan Piechnik; Piotr Smielewski; Peter J Kirkpatrick; John D Pickard
Pressure-autoregulation, CO2 reactivity and asymmetry of haemodynamic parameters in patients with carotid artery stenotic disease. A clinical appraisal.
Acta neurochirurgica 2003;145(7):527-32; discussion 532.
2003: Eric A Schmidt; Stefan Piechnik; Piotr Smielewski; Andreas Raabe; Basil F Matta; Marek Czosnyka
Symmetry of cerebral hemodynamic indices derived from bilateral transcranial Doppler.
Journal of neuroimaging : official journal of the American Society of Neuroimaging 2003;13(3):248-54.
2003: Luzius A Steiner; Jonathan P Coles; Marek Czosnyka; Pawan S Minhas; Tim D Fryer; Franklin I Aigbirhio; John C Clark; Piotr Smielewski; Doris A Chatfield; T Donovan; John D Pickard; David K Menon
Cerebrovascular pressure reactivity is related to global cerebral oxygen metabolism after head injury.
Journal of neurology, neurosurgery, and psychiatry 2003;74(6):765-70.
2003: Pawan S Minhas; David K Menon; Piotr Smielewski; Marek Czosnyka; Peter J Kirkpatrick; John C Clark; John D Pickard
Positron emission tomographic cerebral perfusion disturbances and transcranial Doppler findings among patients with neurological deterioration after subarachnoid hemorrhage.
Neurosurgery 2003;52(5):1017-22; discussion 1022-4.
2003: Marek Czosnyka; Piotr Smielewski; Zofia Czosnyka; Stefan Piechnik; Luzius A Steiner; E Schmidt; I Gooskens; M Soehle; E W Lang; Basil F Matta; John D Pickard
Continuous assessment of cerebral autoregulation: clinical and laboratory experience.
Acta neurochirurgica. Supplement 2003;86():581-5.
2003: Magdalena Kasprowicz; Marek Czosnyka; Zofia Czosnyka; Shahan Momjian; Piotr Smielewski; Henryk Juniewicz; John D Pickard
Hysteresis of the cerebrospinal pressure-volume curve in hydrocephalus.
Acta neurochirurgica. Supplement 2003;86():529-32.
2002: Piotr Smielewski; Jonathan P Coles; Tim D Fryer; Pawan S Minhas; David K Menon; John D Pickard
Integrated image analysis solutions for PET datasets in damaged brain.
Journal of clinical monitoring and computing 2002;17(7-8):427-40.
2002: Jonathan P Coles; Pawan S Minhas; Tim D Fryer; Piotr Smielewski; Franklin Aigbirihio; T Donovan; Stephen P M J Downey; Guy Williams; Doris A Chatfield; Julian C Matthews; Arun K Gupta; T Adrian Carpenter; John C Clark; John D Pickard; David K Menon
Effect of hyperventilation on cerebral blood flow in traumatic head injury: clinical relevance and monitoring correlates.
Critical care medicine 2002;30(9):1950-9.
2002: Luzius A Steiner; Marek Czosnyka; Stefan Piechnik; Piotr Smielewski; Doris A Chatfield; David K Menon; John D Pickard
Continuous monitoring of cerebrovascular pressure reactivity allows determination of optimal cerebral perfusion pressure in patients with traumatic brain injury.
Critical care medicine 2002;30(4):733-8.
2002: Eric A Schmidt; Marek Czosnyka; Piotr Smielewski; Stefan Piechnik; John D Pickard
Asymmetry of cerebral autoregulation following head injury.
Acta neurochirurgica. Supplement 2002;81():133-4.
2002: Marek Czosnyka; Piotr Smielewski; Stefan Piechnik; John D Pickard
Clinical significance of cerebral autoregulation.
Acta neurochirurgica. Supplement 2002;81():117-9.
2001: Carole L Turner; Susan Tebbs; Piotr Smielewski; Peter J Kirkpatrick
The influence of hemodynamic stress factors on intracranial aneurysm formation.
Journal of neurosurgery 2001;95(5):764-70.
2001: Marek Czosnyka; Piotr Smielewski; Stefan Piechnik; Luzius A Steiner; John D Pickard
Cerebral autoregulation following head injury.
Journal of neurosurgery 2001;95(5):756-63.
2001: Pippa G Al-Rawi; Piotr Smielewski; Peter J Kirkpatrick
Evaluation of a near-infrared spectrometer (NIRO 300) for the detection of intracranial oxygenation changes in the adult head.
Stroke; a journal of cerebral circulation 2001;32(11):2492-500.
2000: JM Lam; Piotr Smielewski; Pippa G Al-Rawi; P Griffiths; A L Yu; John D Pickard; Peter J Kirkpatrick
Prediction of cerebral ischaemia during carotid endarterectomy with preoperative CO2-reactivity studies and angiography.
British journal of neurosurgery 2000;14(5):441-8.
2000: JM Lam; Piotr Smielewski; Marek Czosnyka; John D Pickard; Peter J Kirkpatrick
Predicting delayed ischemic deficits after aneurysmal subarachnoid hemorrhage using a transient hyperemic response test of cerebral autoregulation.
Neurosurgery 2000;47(4):819-25; discussions 825-6.
2000: Marek Czosnyka; Piotr Smielewski; Stefan Piechnik; Eric A Schmidt; Helen M Seeley; Pippa G Al-Rawi; Basil F Matta; Peter J Kirkpatrick; John D Pickard
Continuous assessment of cerebral autoregulation--clinical verification of the method in head injured patients.
Acta neurochirurgica. Supplement 2000;76():483-4.
1999: Stefan Piechnik; X Yang; Marek Czosnyka; Piotr Smielewski; S H Fletcher; A L Jones; John D Pickard
The continuous assessment of cerebrovascular reactivity: a validation of the method in healthy volunteers.
Anesthesia and analgesia 1999;89(4):944-9.
1999: Marek Czosnyka; Piotr Smielewski; Stefan Piechnik; Eric A Schmidt; Pippa G Al-Rawi; Peter J Kirkpatrick; John D Pickard
Hemodynamic characterization of intracranial pressure plateau waves in head-injury patients.
Journal of neurosurgery 1999;91(1):11-9.
1999: Marek Czosnyka; Piotr Smielewski; Stefan Piechnik; Pippa G Al-Rawi; Peter J Kirkpatrick; Basil F Matta; John D Pickard
Critical closing pressure in cerebrovascular circulation.
Journal of neurology, neurosurgery, and psychiatry 1999;66(5):606-11.
1998: P J Kirkpatrick; J Lam; P Al-Rawi; Piotr Smielewski; Marek Czosnyka
Defining thresholds for critical ischemia by using near-infrared spectroscopy in the adult brain.
Journal of neurosurgery 1998;89(3):389-94.
1998: Marek Czosnyka; Basil F Matta; Piotr Smielewski; Peter J Kirkpatrick; John D Pickard
Cerebral perfusion pressure in head-injured patients: a noninvasive assessment using transcranial Doppler ultrasonography.
Journal of neurosurgery 1998;88(5):802-8.
1998: Stefan Piechnik; M Czosnyka; Piotr Smielewski; J D Pickard
Indices for decreased cerebral blood flow control--a modelling study.
Acta neurochirurgica. Supplement 1998;71():269-71.
1998: Piotr Smielewski; Marek Czosnyka; John D Pickard; P Kirkpatrick
Assessment of cerebrovascular reactivity in patients with carotid artery disease using near-infrared spectroscopy.
Acta neurochirurgica. Supplement 1998;71():263-5.
1998: Pippa G Al-Rawi; Piotr Smielewski; Peter J Kirkpatrick
Preliminary evaluation of a prototype spatially resolved spectrometer.
Acta neurochirurgica. Supplement 1998;71():255-7.
1998: Marek Czosnyka; Piotr Smielewski; P Kirkpatrick; Stefan Piechnik; R Laing; John D Pickard
Continuous monitoring of cerebrovascular pressure-reactivity in head injury.
Acta neurochirurgica. Supplement 1998;71():74-7.
1998: Peter J Kirkpatrick; Piotr Smielewski; Pippa G Al-Rawi; M Czosnyka
Resolving extra- and intracranial signal changes during adult near infrared spectroscopy.
Neurological research 1998;20 Suppl 1():S19-22.
1997: Marek Czosnyka; Stefan Piechnik; Hugh K Richards; P Kirkpatrick; Piotr Smielewski; John D Pickard
Contribution of mathematical modelling to the interpretation of bedside tests of cerebrovascular autoregulation.
Journal of neurology, neurosurgery, and psychiatry 1997;63(6):721-31.
1997: Arun K Gupta; David K Menon; Marek Czosnyka; Piotr Smielewski; J G Jones
Thresholds for hypoxic cerebral vasodilation in volunteers.
Anesthesia and analgesia 1997;85(4):817-20.
1997: Piotr Smielewski; Marek Czosnyka; W Zabolotny; P Kirkpatrick; Hugh Richards; John D Pickard
A computing system for the clinical and experimental investigation of cerebrovascular reactivity.
International journal of clinical monitoring and computing 1997;14(3):185-98.
1997: Marek Czosnyka; Piotr Smielewski; P Kirkpatrick; R J C Laing; David Menon; John D Pickard
Continuous assessment of the cerebral vasomotor reactivity in head injury.
Neurosurgery 1997;41(1):11-7; discussion 17-9.
1997: JM Lam; Piotr Smielewski; Pippa G Al-Rawi; P Griffiths; John D Pickard; Peter J Kirkpatrick
Internal and external carotid contributions to near-infrared spectroscopy during carotid endarterectomy.
Stroke; a journal of cerebral circulation 1997;28(5):906-11.
1997: Piotr Smielewski; Marek Czosnyka; P Kirkpatrick; John D Pickard
Evaluation of the transient hyperemic response test in head-injured patients.
Journal of neurosurgery 1997;86(5):773-8.
1997: Piotr Smielewski; Marek Czosnyka; John D Pickard; P Kirkpatrick
Clinical evaluation of near-infrared spectroscopy for testing cerebrovascular reactivity in patients with carotid artery disease.
Stroke; a journal of cerebral circulation 1997;28(2):331-8.
1997: Arun K Gupta; David K Menon; Marek Czosnyka; Piotr Smielewski; Peter J Kirkpatrick; J G Jones
Non-invasive measurement of cerebral blood volume in volunteers.
British journal of anaesthesia 1997;78(1):39-43.
1996: Piotr Smielewski; Marek Czosnyka; P Kirkpatrick; H McEroy; H Rutkowska; John D Pickard
Assessment of cerebral autoregulation using carotid artery compression.
Stroke; a journal of cerebral circulation 1996;27(12):2197-203.
1996: P J Kirkpatrick; Piotr Smielewski; Stefan Piechnik; John D Pickard; Marek Czosnyka
Early effects of mannitol in patients with head injuries assessed using bedside multimodality monitoring.
Neurosurgery 1996;39(4):714-20; discussion 720-1.
1996: Marek Czosnyka; Piotr Smielewski; P Kirkpatrick; David K Menon; John D Pickard
Monitoring of cerebral autoregulation in head-injured patients.
Stroke; a journal of cerebral circulation 1996;27(10):1829-34.
1996: Marek Czosnyka; H Whitehouse; Piotr Smielewski; S Simac; John D Pickard
Testing of cerebrospinal compensatory reserve in shunted and non-shunted patients: a guide to interpretation based on an observational study.
Journal of neurology, neurosurgery, and psychiatry 1996;60(5):549-58.
1996: Piotr Smielewski; P J Kirkpatrick; Hugh Richards; John D Pickard; Marek Czosnyka
A feedback-controlled pump produces stable hypotension in anaesthetised rabbits.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 1996;16(3):532-6.
1996: P C Whitfield; H Moss; D O'Hare; Piotr Smielewski; John D Pickard; P J Kirkpatrick
An audit of aneurysmal subarachnoid haemorrhage: earlier resuscitation and surgery reduces inpatient stay and deaths from rebleeding.
Journal of neurology, neurosurgery, and psychiatry 1996;60(3):301-6.
1996: Marek Czosnyka; E Guazzo; M Whitehouse; Piotr Smielewski; Zofia Czosnyka; P Kirkpatrick; Stefan Piechnik; John D Pickard
Significance of intracranial pressure waveform analysis after head injury.
Acta neurochirurgica 1996;138(5):531-41; discussion 541-2.
1995: Piotr Smielewski; P Kirkpatrick; P Minhas; John D Pickard; Marek Czosnyka
Can cerebrovascular reactivity be measured with near-infrared spectroscopy?
Stroke; a journal of cerebral circulation 1995;26(12):2285-92.
1995: P J Kirkpatrick; Piotr Smielewski; Marek Czosnyka; David K Menon; John D Pickard
Near-infrared spectroscopy use in patients with head injury.
Journal of neurosurgery 1995;83(6):963-70.
1995: P J Kirkpatrick; Piotr Smielewski; P C Whitfield; Marek Czosnyka; David K Menon; John D Pickard
An observational study of near-infrared spectroscopy during carotid endarterectomy.
Journal of neurosurgery 1995;82(5):756-63.
1995: Piotr Smielewski; Marek Czosnyka; Marcin Roszkowski; A Walencik
Identification of the cerebrospinal compensatory mechanisms via computer-controlled drainage of the cerebrospinal fluid.
Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery 1995;11(5):297-300.
1995: Piotr Smielewski; Marek Czosnyka; V Iyer; Stefan Piechnik; H Whitehouse; John D Pickard
Computerised transient hyperaemic response test--a method for the assessment of cerebral autoregulation.
Ultrasound in medicine & biology 1995;21(5):599-611.
1994: P J Kirkpatrick; T Meyer; N Sarkies; John D Pickard; H Whitehouse; Piotr Smielewski
Papilloedema and visual failure in a patient with nocturnal hypoventilation.
Journal of neurology, neurosurgery, and psychiatry 1994;57(12):1546-7.
1994: P J Kirkpatrick; Piotr Smielewski; Marek Czosnyka; John D Pickard
Continuous monitoring of cortical perfusion by laser Doppler flowmetry in ventilated patients with head injury.
Journal of neurology, neurosurgery, and psychiatry 1994;57(11):1382-8.
1994: Marek Czosnyka; H Whitehouse; Piotr Smielewski; P Kirkpatrick; E P Guazzo; John D Pickard
Computer supported multimodal bed-side monitoring for neuro intensive care.
International journal of clinical monitoring and computing 1994;11(4):223-32.
1994: Marek Czosnyka; E Guazzo; V Iyer; P Kirkpatrick; Piotr Smielewski; H Whitehouse; John D Pickard
Testing of cerebral autoregulation in head injury by waveform analysis of blood flow velocity and cerebral perfusion pressure.
Acta neurochirurgica. Supplementum 1994;60():468-71.