Ilias Tachtsidis

Cerebral tissue oxygen saturation calculated using low frequency haemoglobin oscillations measured by near infrared spectroscopy in adult ventilated patients.

Investigation of cerebral haemodynamics by near-infrared spectroscopy in young healthy volunteers reveals posture-dependent spontaneous oscillations.

Measurement of the optical properties of the adult human head with spatially resolved spectroscopy and changes of posture.

Spectral characteristics of spontaneous oscillations in cerebral haemodynamics are posture dependent.

A physiological model of cerebral blood flow control.

Measurement of the absolute optical properties and cerebral blood volume of the adult human head with hybrid differential and spatially resolved spectroscopy.

Rate of change in cerebral oxygenation and blood pressure in response to passive changes in posture: a comparison between pure autonomic failure patients and controls.

Circulation time in man from lung to periphery as an indirect index of cardiac output.

Changes in cerebral oxygenation and haemodynamics during postural blood pressure changes in patients with autonomic failure.

Investigation of oxygen saturation derived from cardiac pulsations measured on the adult head using NIR spectroscopy.

Quantification of adult cerebral blood volume using the NIRS tissue oxygenation index.

Theoretical investigation of measuring cerebral blood flow in the adult human head using bolus Indocyanine Green injection and near-infrared spectroscopy.

Near-infrared spectroscopic quantification of changes in the concentration of oxidized cytochrome c oxidase in the healthy human brain during hypoxemia.

Investigation of frontal cortex, motor cortex and systemic haemodynamic changes during anagram solving.

Changes in the attenuation of near infrared spectra by the healthy adult brain during hypoxaemia cannot be accounted for solely by changes in the concentrations of oxy- and deoxy-haemoglobin.

Measurement of cerebral tissue oxygenation in young healthy volunteers during acetazolamide provocation: a transcranial Doppler and near-infrared spectroscopy investigation.

Measurement of frontal lobe functional activation and related systemic effects: a near-infrared spectroscopy investigation.

Increase in cerebral aerobic metabolism by normobaric hyperoxia after traumatic brain injury.

Estimating a modified Grubb's exponent in healthy human brains with near infrared spectroscopy and transcranial Doppler.

False positives in functional near-infrared topography.

Relationship between brain tissue haemodynamics, oxygenation and metabolism in the healthy human adult brain during hyperoxia and hypercapnea.

The effect on cerebral tissue oxygenation index of changes in the concentrations of inspired oxygen and end-tidal carbon dioxide in healthy adult volunteers.

A hybrid multi-distance phase and broadband spatially resolved spectrometer and algorithm for resolving absolute concentrations of chromophores in the near-infrared light spectrum.

Functional optical topography analysis using statistical parametric mapping (SPM) methodology with and without physiological confounds.

Modelling of mitochondrial oxygen consumption and NIRS detection of cytochrome oxidase redox state.

Cerebral and peripheral tissue oxygenation in children supported on ECMO for cardio-respiratory failure.

Regional cerebral oxygenation measured by multichannel near-infrared spectroscopy (optical topography) in an infant supported on venoarterial extracorporeal membrane oxygenation.

Analysis of the changes in the oxidation of brain tissue cytochrome-c-oxidase in traumatic brain injury patients during hypercapnoea: a broadband NIRS study.

Effects of assuming constant optical scattering on haemoglobin concentration measurements using NIRS during a Valsalva manoeuvre.

Quantification of systemic interference in optical topography data during frontal lobe and motor cortex activation: an independent component analysis.

Experimental validation of alternating transillumination for imaging intramural wave propagation.

Optical topography to measure variations in regional cerebral oxygenation in an infant supported on veno-arterial extra-corporeal membrane oxygenation.

Use of a hybrid optical spectrometer for the measurement of changes in oxidized cytochrome c oxidase concentration and tissue scattering during functional activation.

Development of a model to aid NIRS data interpretation: results from a hypercapnia study in healthy adults.

Computational modelling of the piglet brain to simulate near-infrared spectroscopy and magnetic resonance spectroscopy data collected during oxygen deprivation.

The physiological origin of task-evoked systemic artefacts in functional near infrared spectroscopy.

Modelling noninvasively measured cerebral signals during a hypoxemia challenge: steps towards individualised modelling.

Multichannel near infrared spectroscopy indicates regional variations in cerebral autoregulation in infants supported on extracorporeal membrane oxygenation.

Canonical correlation analysis in the study of cerebral and peripheral haemodynamics interrelations with systemic variables in neonates supported on ECMO.

Normobaric hyperoxia does not change optical scattering or pathlength but does increase oxidised cytochrome C oxidase concentration in patients with brain injury.

Modelling cerebrovascular reactivity: a novel near-infrared biomarker of cerebral autoregulation?

Oscillations in cerebral haemodynamics in patients with falciparum malaria.

Wavelet cross-correlation to investigate regional variations in cerebral oxygenation in infants supported on extracorporeal membrane oxygenation.

Systematic investigation of changes in oxidized cerebral cytochrome c oxidase concentration during frontal lobe activation in healthy adults.

Long-term enhancement of brain function and cognition using cognitive training and brain stimulation.

Cytochrome c oxidase response to changes in cerebral oxygen delivery in the adult brain shows higher brain-specificity than haemoglobin.

Reduction of cytochrome C oxidase during vasovagal hypoxia-ischemia in human adult brain: a case study.

Investigation of frontal lobe activation with fNIRS and systemic changes during video gaming.

Modelling blood flow and metabolism in the piglet brain during hypoxia-ischaemia: simulating pH changes.

Modelling blood flow and metabolism in the piglet brain during hypoxia-ischaemia: simulating brain energetics.

Dependence on NIRS source-detector spacing of cytochrome c oxidase response to hypoxia and hypercapnia in the adult brain.

A novel non-amplification assay for the detection of Leishmania spp. in clinical samples using gold nanoparticles.

Identifying and quantifying main components of physiological noise in functional near infrared spectroscopy on the prefrontal cortex.

Investigation of cerebral autoregulation in the newborn piglet during anaesthesia and surgery.

Development of a near infrared multi-wavelength, multi-channel, time-resolved spectrometer for measuring brain tissue haemodynamics and metabolism.

Simulating NIRS and MRS measurements during cerebral hypoxia-ischaemia in piglets using a computational model.

Analysis of slow wave oscillations in cerebral haemodynamics and metabolism following subarachnoid haemorrhage.

Separation of superficial and cerebral hemodynamics using a single distance time-domain NIRS measurement.

Dual role of cerebral blood flow in regional brain temperature control in the healthy newborn infant.

A new broadband near-infrared spectroscopy system for in-vivo measurements of cerebral cytochrome-c-oxidase changes in neonatal brain injury.

Spatial sensitivity and penetration depth of three cerebral oxygenation monitors.

Optimal wavelength combinations for near-infrared spectroscopic monitoring of changes in brain tissue hemoglobin and cytochrome c oxidase concentrations.

BrainSignals Revisited: Simplifying a Computational Model of Cerebral Physiology.

Monitoring cerebral autoregulation after brain injury: multimodal assessment of cerebral slow-wave oscillations using near-infrared spectroscopy.

Modelling Blood Flow and Metabolism in the Preclinical Neonatal Brain during and Following Hypoxic-Ischaemia.