Application of Pupillometry in Neurocritical Patients

Article Critical Care Medicine

Automated Pupillometry for Assessment of Treatment Success in Nonconvulsive Status Epilepticus

Jana Godau et al.

Summary: Automated pupillometry is a useful noninvasive neuro-monitoring tool for assessing patients with nonconvulsive status epilepticus and response to treatment.

NEUROCRITICAL CARE (2022)

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Article Critical Care Medicine

Can Quantitative Pupillometry be used to Screen for Elevated Intracranial Pressure? A Retrospective Cohort Study

Jakob Pansell et al.

Summary: This study evaluated the Neurological Pupil index (NPi) as a noninvasive screening tool for elevated intracranial pressure (ICP), and found that NPi within a certain range can rule out the possibility of elevated ICP while also aiding in estimating the probability of elevated ICP. The results suggest that NPi is of great significance for clinical decision-making.

NEUROCRITICAL CARE (2022)

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Article Clinical Neurology

Automated Pupillometry for Prediction of Electroencephalographic Reactivity in Critically Ill Patients: A Prospective Cohort Study

Lorenzo Peluso et al.

Summary: This study aimed to evaluate whether parameters derived from an automated pupillometer (AP) might help to assess the degree of cerebral dysfunction in critically ill patients. The results showed that low DV measured by the AP could effectively identify an unreactive EEG background.

FRONTIERS IN NEUROLOGY (2022)

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Article Neurosciences

Neurological Pupil Index for the Early Prediction of Outcome in Severe Acute Brain Injury Patients

Federico Romagnosi et al.

Summary: In this study, the early value of automated quantitative pupillary examination using the Neurological Pupil index (NPi) was examined to predict the long-term outcome of acute brain injured patients. The study found that the addition of NPi to baseline demographic and radiologic information provided the best prognostic performance for predicting 6-month neurological outcome.

BRAIN SCIENCES (2022)

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Article Cell Biology

Automated Pupillometry as an Assessment Tool for Intracranial Hemodynamics in Septic Patients

Ilaria Alice Crippa et al.

Summary: Impaired cerebral autoregulation may increase the risk of brain hypoperfusion in septic patients. Our study found that pupillary light reflex measurement can potentially be used to assess autonomic nervous system function and evaluate cerebral autoregulation in septic patients.

CELLS (2022)

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Article Clinical Neurology

Automated Pupillometry as a Triage and Assessment Tool in Patients with Traumatic Brain Injury

Tarek Y. El Ahmadieh et al.

Summary: Automated infrared pupillometry (AIP) showed potential in predicting neural damage in patients with traumatic brain injury (TBI). An abnormal Neurologic Pupil Index (NPI) was significantly associated with the need for surgical intervention in patients with GCS score <= 8 and signs of increased intracranial pressure on imaging. NPI >= 3 may provide reassurance in patients without signs of mass effect or increased intracranial pressure.

WORLD NEUROSURGERY (2021)

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Article

Contribution of pupillary light reflex assessment to Glasgow Coma Scale for prognostication in patients with traumatic brain injury

Amna A. Butt et al.

Journal of Neurocritical Care (2021)

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Article Critical Care Medicine

Quantitative Infrared Pupillometry in Nonconvulsive Status Epilepticus

Jana Godau et al.

Summary: This study aimed to assess the changes of NPi in NCSE, and the results showed that NPi was significantly reduced and the difference between left and right NPi was significantly higher in NCSE patients. An NPi < 4.0 on either side as well as an NPi difference of both sides > 0.2 may be potential indicators of NCSE. Further research in larger populations is needed to confirm these findings.

NEUROCRITICAL CARE (2021)

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Article Critical Care Medicine

Automated Pupillometry Identifies Absence of Intracranial Pressure Elevation in Intracerebral Hemorrhage Patients

Antje Giede-Jeppe et al.

Summary: The study found an association between noninvasively detected changes in pupillary reactivity and ICP levels in sedated nontraumatic intracerebral hemorrhage patients. Although automated pupillometry and neuroimaging may not be sufficient to noninvasively indicate raised ICP, both techniques adequately identified patients without this elevation, potentially saving invasive monitoring or repeated CT scans.

NEUROCRITICAL CARE (2021)

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Article Clinical Neurology

Abnormal neurological pupil index is associated with malignant cerebral edema after mechanical thrombectomy in large vessel occlusion patients

Ehsan Dowlati et al.

Summary: The study evaluated variables associated with malignant cerebral edema (MCE) in patients undergoing mechanical thrombectomy (MT), and found a significant association between abnormal Neurological Pupil Index (NPi) and hemorrhagic conversion with MCE.

NEUROLOGICAL SCIENCES (2021)

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Article Medicine, General & Internal

Outcome Prognostication of Acute Brain Injury using the Neurological Pupil Index (ORANGE) study: protocol for a prospective, observational, multicentre, international cohort study

Mauro Oddo et al.

Summary: The study aims to evaluate the association between abnormal pupillary function assessed by the Neurological Pupil Index (NPi) and long-term outcomes in patients with acute brain injury. This will be done by using automated infrared pupillometry to precisely quantify subtle changes in pupillary functions.

BMJ OPEN (2021)

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Article Medicine, General & Internal

Detection of Parkinson's Disease Through Automated Pupil Tracking of the Post-illumination Pupillary Response

Thasina Tabashum et al.

Summary: Parkinson's disease is a common neurodegenerative disorder that is often diagnosed after significant damage has occurred. Developing biomarkers for early identification is crucial for intervention. Pupillary response could potentially serve as a biomarker for PD, requiring further study to determine clinical validity.

FRONTIERS IN MEDICINE (2021)

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Article Engineering, Biomedical

Pupillometry via smartphone for low-resource settings

Davide Piaggio et al.

Summary: This study presents the early results of developing an Android app for testing the photopupillary reflex, aiming to address challenges in low-income countries with limited medical resources. The app showed promising results in evaluating brain traumas and conditions of critical care patients, potentially contributing to achieving the Sustainable Development Goal 3 of the World Health Organization – Good health and well-being.

BIOCYBERNETICS AND BIOMEDICAL ENGINEERING (2021)

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Article Clinical Neurology

Quantitative assessments of pupillary light reflexes in hospital-onset unresponsiveness

Hyunjo Lee et al.

Summary: Quantitative measurements of pupillary light reflexes may be useful for early detection of potentially life-threatening neurological conditions in patients with hospital-onset unresponsiveness.

BMC NEUROLOGY (2021)

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Article Clinical Neurology

Neurological Pupil Index as an Indicator of Irreversible Cerebral Edema: A Case Series

Michaela X. Cortes et al.

Summary: Assessing pupillary light reflex is crucial in neurological assessments. Automated infrared pupillometry, particularly in patients with poor baseline neurological examinations, can provide additional objective data to detect neurological deterioration that may otherwise be difficult to identify.

JOURNAL OF NEUROSCIENCE NURSING (2021)

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Article Surgery

Efficacy of Noninvasive Technologies in Triaging Traumatic Brain Injury and Correlating With Intracranial Pressure: A Prospective Study

Kathleen E. Singer et al.

Summary: The study found that optic nerve sheath diameter (ONSD) and pupillometry may be used as supplementary screening tools for diagnosing severe TBI, while transcranial Doppler ultrasound (TCD) could be used to estimate and monitor intracranial pressure (ICP) in patients with severe TBI.

JOURNAL OF SURGICAL RESEARCH (2021)

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Article Clinical Neurology

Changes in autonomic tone during delirium in acute stroke patients assessed by pupillometry and skin conductance

Jannik Stokholm et al.

Summary: Delirium is a common complication in acute ischemic stroke and is associated with changes in sympathetic autonomic nervous system regulation, as demonstrated by lower levels of palmar skin conductance and pupillary dilation velocity in patients with delirium compared to those without delirium.

JOURNAL OF THE NEUROLOGICAL SCIENCES (2021)

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Article Clinical Neurology

Detection of delayed cerebral ischemia using objective pupillometry in patients with aneurysmal subarachnoid hemorrhage

Salah G. Aoun et al.

JOURNAL OF NEUROSURGERY (2020)

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Article Clinical Neurology

Optic nerve sheath diameter ultrasonography at admission as a predictor of intracranial hypertension in traumatic brain injured patients: a prospective observational study

Chiara Robba et al.

JOURNAL OF NEUROSURGERY (2020)

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Article Cardiac & Cardiovascular Systems

Part 3: Adult Basic and Advanced Life Support 2020 American Heart Association Guidelines for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care

Ashish R. Panchal et al.

CIRCULATION (2020)

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Article Ophthalmology

Dynamic Pupillometry in Type 2 Diabetes: Pupillary Autonomic Dysfunction and the Severity of Diabetic Retinopathy

Samyukta Bista Karki et al.

CLINICAL OPHTHALMOLOGY (2020)

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Article Critical Care Medicine

Multimodal non-invasive assessment of intracranial hypertension: an observational study

Chiara Robba et al.

CRITICAL CARE (2020)

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Article Neurosciences

Optical pupillometry in traumatic brain injury: neurological pupil index and its relationship with intracranial pressure through significant event analysis

A. R. Stevens et al.

BRAIN INJURY (2019)

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Article Neurosciences

Correlation of Objective Pupillometry to Midline Shift in Acute Stroke Patients

Mohamed Osman et al.

JOURNAL OF STROKE & CEREBROVASCULAR DISEASES (2019)

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Review Clinical Neurology

Automated Pupillometry in Neurocritical Care: Research and Practice

Bethany L. Lussier et al.

CURRENT NEUROLOGY AND NEUROSCIENCE REPORTS (2019)

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Article Clinical Neurology

Pupillary Light Reflex Variability as a Predictor of Clinical Outcomes in Subarachnoid Hemorrhage

Stefany Ortega-Perez et al.

JOURNAL OF NEUROSCIENCE NURSING (2019)

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Article Anesthesiology

Portable Infrared Pupillometer in Patients With Subarachnoid Hemorrhage: Prognostic Value and Circadian Rhythm of the Neurological Pupil Index (NPi)

Samuel Natzeder et al.

JOURNAL OF NEUROSURGICAL ANESTHESIOLOGY (2019)

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Article Critical Care Medicine

Effects of Osmotic Therapy on Pupil Reactivity: Quantification Using Pupillometry in Critically Ill Neurologic Patients

C. Ong et al.

NEUROCRITICAL CARE (2019)

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Article Critical Care Medicine

Quantitative pupillometry for the monitoring of intracranial hypertension in patients with severe traumatic brain injury

Fritz-Patrick Jahns et al.

CRITICAL CARE (2019)

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Article Clinical Neurology

Pupillometry as an indicator of L-DOPA dosages in Parkinson's disease patients

O. Bartosova et al.

JOURNAL OF NEURAL TRANSMISSION (2018)

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Article Neurosciences

Saved by the Pupillometer! - A role for pupillometry in the acute assessment of patients with traumatic brain injuries?

John A. Emelifeonwu et al.

BRAIN INJURY (2018)

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Article Medicine, General & Internal

Automated Pupillometry and Detection of Clinical Transtentorial Brain Herniation: A Case Series

Alexander Papangelou et al.

MILITARY MEDICINE (2018)

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Article Clinical Neurology

Pupillometry Trends in the Setting of Increased Intracranial Pressure

Molly McNett et al.

JOURNAL OF NEUROSCIENCE NURSING (2018)

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Article Ophthalmology

iPhone-based Pupillometry: A Novel Approach for Assessing the Pupillary Light Reflex

J. Jason McAnany et al.

OPTOMETRY AND VISION SCIENCE (2018)

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Article Clinical Neurology

Influence of Strategic Cortical Infarctions on Pupillary Function

Costanza Peinkhofer et al.

FRONTIERS IN NEUROLOGY (2018)

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Review Medicine, General & Internal

Eyeing up the Future of the Pupillary Light Reflex in Neurodiagnostics

Charlotte A. Hall et al.

DIAGNOSTICS (2018)

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Article Ophthalmology

Evaluation of Cholinergic Deficiency in Preclinical Alzheimer's Disease Using Pupillometry

Shaun Frost et al.

JOURNAL OF OPHTHALMOLOGY (2017)

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Article Clinical Neurology

Early Prediction of Coma Recovery after Cardiac Arrest with Blinded Pupillometry

Daria Solari et al.

ANNALS OF NEUROLOGY (2017)

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Review Clinical Neurology

Objective methods for the assessment of the spinal and supraspinal effects of opioids

Iben W. Fischer et al.

SCANDINAVIAN JOURNAL OF PAIN (2017)

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Article Law

Pupil function as an indicator of being under the influence of central nervous system-acting substances from a traffic-medicine perspective - Part II

Fabio Monticelli et al.

MEDICINE SCIENCE AND THE LAW (2016)

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Article Critical Care Medicine

Interrater Reliability of Pupillary Assessments

DaiWai M. Olson et al.

NEUROCRITICAL CARE (2016)

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Article Critical Care Medicine

Reliability of standard pupillometry practice in neurocritical care: an observational, double-blinded study

David Couret et al.

CRITICAL CARE (2016)

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Article Nursing

Neurological assessment

Ann Butler Maher

INTERNATIONAL JOURNAL OF ORTHOPAEDIC AND TRAUMA NURSING (2016)

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Review Anesthesiology

Portable Infrared Pupillometry: A Review

Merlin D. Larson et al.

ANESTHESIA AND ANALGESIA (2015)

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Article Clinical Neurology

Clinical Utility of an Automated Pupillometer in Patients with Acute Brain Lesion

Jeong Goo Park et al.

JOURNAL OF KOREAN NEUROSURGICAL SOCIETY (2015)

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Article Critical Care Medicine

A practical approach to neurologic evaluation in the intensive care unit

Neel S. Singhal et al.

JOURNAL OF CRITICAL CARE (2014)

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Article Critical Care Medicine

Neurologist Versus Machine: Is the Pupillometer Better than the Naked Eye in Detecting Pupillary Reactivity

Christopher L. Kramer et al.

NEUROCRITICAL CARE (2014)

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Article Critical Care Medicine

Automated Quantitative Pupillometry for the Prognostication of Coma After Cardiac Arrest

Tamarah Suys et al.

NEUROCRITICAL CARE (2014)

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Article Substance Abuse

Utility of dynamic pupillometry in alcohol testing on drivers

Luis Lucio Lobato-Rincon et al.

ADICCIONES (2013)

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Article Anesthesiology

Assessment of Pain During Labor with Pupillometry: A Prospective Observational Study

Jean Guglielminotti et al.

ANESTHESIA AND ANALGESIA (2013)

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Article Optics

Development of a Smartphone-based Pupillometer

Tae-Hoon Kim et al.

JOURNAL OF THE OPTICAL SOCIETY OF KOREA (2013)

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Article Critical Care Medicine

Pupillary reflex measurement predicts insufficient analgesia before endotracheal suctioning in critically ill patients

Jerome Paulus et al.

CRITICAL CARE (2013)

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Article Surgery

Pupil evaluation in addition to Glasgow Coma Scale components in prediction of traumatic brain injury and mortality

M. Hoffmann et al.

BRITISH JOURNAL OF SURGERY (2012)

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Article Neurosciences

Rational regulation of learning dynamics by pupil-linked arousal systems

Matthew R. Nassar et al.

NATURE NEUROSCIENCE (2012)

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Article Engineering, Biomedical

Using dynamic pupillometry as a simple screening tool to detect autonomic neuropathy in patients with diabetes: a pilot study

Giselle L. Ferrari et al.

BIOMEDICAL ENGINEERING ONLINE (2010)

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Article Law

Pupil function as an indicator for being under the influence of central nervous system-acting substances from a traffic-medicine perspective

Fabio Monticelli et al.

MEDICINE SCIENCE AND THE LAW (2010)

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Article Psychology, Biological

Cholinergic deficiency in Alzheimer's and Parkinson's disease: Evaluation with pupillometry

D. F. Fotiou et al.

INTERNATIONAL JOURNAL OF PSYCHOPHYSIOLOGY (2009)

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Article Clinical Neurology

Outcome in patients with blunt head trauma and a Glasgow Coma Scale score of 3 at presentation Clinical article

Roukoz B. Chamoun et al.

JOURNAL OF NEUROSURGERY (2009)

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Article Medicine, Legal

Pupil function as a parameter for assessing impairment of the central nervous system from a traffic-medicine perspective

Fabio Carlo Monticelli et al.

Legal Medicine (2009)

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Article Critical Care Medicine

Do trauma patients with a Glasgow Coma Scale score of 3 and bilateral fixed and dilated pupils have any chance of survival?

HC Tien et al.

JOURNAL OF TRAUMA-INJURY INFECTION AND CRITICAL CARE (2006)

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Article Critical Care Medicine

Clinical implications of quantitative infrared pupillometry in neurosurgical patients

Kostas N. Fountas et al.

NEUROCRITICAL CARE (2006)

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Article Critical Care Medicine

Use of admission Glasgow coma score, pupil size, and pupil reactivity to determine outcome for trauma patients

JD Lieberman et al.

JOURNAL OF TRAUMA-INJURY INFECTION AND CRITICAL CARE (2003)

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Article Clinical Neurology

Clinical applications of pupillography

H Wilhelm et al.

JOURNAL OF NEURO-OPHTHALMOLOGY (2003)

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Review Neurosciences

Traumatic brain injury and substance abuse: A review and analysis of the literature

LA Taylor et al.

NEUROPSYCHOLOGICAL REHABILITATION (2003)

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Article Clinical Neurology

Quantitative pupillometry, a new technology: normative data and preliminary observations in patients with acute head injury - Technical note

WR Taylor et al.

JOURNAL OF NEUROSURGERY (2003)

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Article Anesthesiology

Infrared pupillometry during uncal herniation

GT Manley et al.

JOURNAL OF NEUROSURGICAL ANESTHESIOLOGY (2002)

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Article Ophthalmology

Pupillary autonomic denervation with increasing duration of diabetes mellitus

M Cahill et al.

BRITISH JOURNAL OF OPHTHALMOLOGY (2001)

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Article Psychology, Biological

Changes in pupil reaction to light in Alzheimer's disease patients: a preliminary report

F Fotiou et al.

INTERNATIONAL JOURNAL OF PSYCHOPHYSIOLOGY (2000)

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Application of Pupillometry in Neurocritical Patients

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