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NeurOptics News

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May 22, 2024NeurOptics Introduces NPi-Connect at American Association of Critical Care Nurses National Teaching Institute & Critical Care Exposition

DENVER, CO – NeurOptics announces the 2025 introduction of NPi-Connect at the 2024 American Association of Critical Care Nurses (AACN) National Teaching Institute and Critical Care Exposition (NTI) held in Denver, CO from May 20-22, 2024. NPi-Connect, planned for market release in early 2025, is a cost-effective SmartGuard™ connectivity hub enabling seamless data transfer of the patient’s Neurological Pupil index® (NPi) and pupillary measurements into the electronic medical record (EMR), providing trendable NPi. NPi-Connect can be viewed at the NeurOptics booth #2028 during exhibit hours. See More.

December, 2023Quantitative Pupillometry Included in American Heart Association and Neurocritical Care Society Joint Scientific Statement on Critical Care Management After Cardiac Arrest

PALTO ALTO, CA – Quantitative Pupillometry is featured in the joint American Heart Association (AHA) and Neurocritical Care Society (NCS) comprehensive statement, which offers essential guidelines for managing patients after cardiac arrest and highlights the significance of neurocritical care in enhancing patient outcomes. Read More.

September 7, 2023 – New Multicenter Study Reveals Neurological Pupil index (NPi) as Predictor of Outcome and Mortality in Brain Injury Patients

IRVINE, CA – Results indicate that measuring the Neurological Pupil index – NPi® – is prognostic of 6-month outcome in acute brain injury patients. Read More.

August 28, 2023 – New Study: The Neurological Pupil index for outcome prognostication in people with acute brain injury (ORANGE): a prospective, observational, multicentre cohort study

LAUSANNE, SWITZERLAND – A new NPi Pupillometry study, published in The Lancet Neurology, found that abnormal NPi® (Neurological Pupil index) was strongly associated with long-term mortality and a poor neurological outcome after an acute brain injury. This study supports NPi as a clinically and statistically significant prognostic value for neurological outcome and mortality after acute brain injury. Read More.

January 10, 2023 – New Clinical Study Shows NeurOptics’ Neurological Pupil Index™, an Important Value for Assessing Brain Injury, is Unaffected by Clinical Intoxication

IRVINE, CA – Results indicate that the Automated Pupillometer and NPi® can be used for patient evaluation and triage in the Emergency Department without risk of confounding by key intoxicants of abuse. Read More.

October 26, 2022New Study Results Show NPi® Remains Unaffected by Clinical Intoxication

PHILADELPHIA, PA – A new pupillometry study, published in the journal JACEP Open, utilized NPi® Pupillometry to assess clinically intoxicated patients in the Emergency Departments (ED) of the Hospital of the University of Pennsylvania (HUP) and Penn Presbyterian Medical Center (PPMC). This study found that the Neurological Pupil index, NPi®, remains unaffected by clinical intoxication and therefore can potentially be used for ED patient evaluation without risk of confounding by key intoxicants of abuse. Read More.

September 14, 2022New Peer-Reviewed Study Leverages NeurOptics’ Automated Pupillometry to Measure Pupil Reactivity Differences, an Earlier Indicator of Neurological Injury

IRVINE, CA – Study shows the NPi® differential is another value measured by the NPi Pupillometer that clinicians should consider when managing critically ill patients. Read More.

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July 22, 2022New Study: A differential of the left eye and right eye Neurological Pupil index is associated with discharge modified Rankin Scores in neurologically injured patients

DALLAS, TX – A new pupillometry study, published in the journal BMC Neurology, found that patients with even one left and right NPi difference of ≥0.7 had higher discharge modified Rankin Scores and worse outcome. This study confirms NPi difference of ≥0.7 as an abnormal threshold, even within the normal NPi range (≥3.0). Read More.

July 20, 2022Publication: Automated Pupillometry Value Differences Serve as a Prognostic Indicator Even When They are Within Normal Range

DALLAS, TX – A pupillometry study, published in The Journal of Neurological and Neurosurgical Nursing, found that patients with greater right and left NPi difference have lower GCS and may be at risk for impending focal neurological deficit. Monitoring for NPi-Diff values ≥ 0.7 should be considered even when both NPi values are within normal range (≥ 3.0). Read More.

May 17, 2022Clinical Poster on NPi® and ICP in Infants and Children Presented at 2022 NTI

HOUSTON, TX – A clinical poster presentation from Children’s Health of Orange County (CHOC) examining the correlation between quantitative pupillary reactivity—measured as NPi—and ICP in pediatric critical care patients was presented at the 2022 AACN National Teaching Institute (NTI) and Critical Care Exposition held in Houston, TX from May 17-18, 2022. Read More.

May 6, 2022New Study: Neurological Pupil index for the early prediction of outcome in severe acute brain injury patients

LAUSANNE, SWITZERLAND – A new pupillometry study, published in the journal Brain Sciences, found that NPi, assessed at the early post-injury phase, has a superior ability to predict unfavorable long-term neurological outcomes in severely brain-injured patients. Read More.

May 3, 2022NeurOptics Expands Globally, Launching NPi®-300 Automated Pupillometer in 15 International Countries

IRVINE, CA – NPi-300 Pupillometer and the Neurological Pupil index™ (NPi®) represent the gold standard in automated pupillary assessment for patients at risk of brain injury. Read More.

April 18, 2022Two Posters on Pupillometry and NPi® Presented at 2022 SCCM

Two clinical poster presentations focusing on the role of Pupillometry and NPi in pediatric patients were presented at the Society of Critical Care Medicine (SCCM) 51st Annual Meeting held April 18-21, 2022, virtually. Read More.

February 9, 2022Automated pupillometry for assessment of treatment success in nonconvulsive status epilepticus

KASSEL, GERMANY – A new study, published in Neurocritical Care, found that automated pupillometry may be a helpful noninvasive neuromonitoring tool for the assessment of patients with NCSE and response to treatment. Read More.

January 8, 2022Clinical poster: Differences in Left and Right Pupillary Function is a Prognostic of Neurological Deterioration

SAN DIEGO, CA – Presented at the 2022 AANN Neuro APP Course held January 5th-8th, 2022, this poster presentation described how left and right NPi differences ≥0.7, even within a normal NPi range, may be an early quantitative measure to indicate neurologic decline. Read More.

August 25, 2021New Study: NPi after mechanical thrombectomy in large vessel occlusion patients

WASHINGTON, DC – A new pupillometry study, published in the journal Neurological Sciences, found that an abnormal Neurological Pupil index (NPi) is associated with malignant cerebral edema after mechanical thrombectomy in large vessel occlusion patients. Read More.

July 20, 2021Inova Health System Expands Adoption of NeurOptics’ Pupillometers in ICUs, Stroke Units and Emergency Departments

IRVINE, CA – Pupillometry and the NPi® to support management of patients at risk of brain injury across a broad spectrum of diagnoses. Read More.

July 8, 2021NeurOptics Launches New NPi-300 Automated Pupillometer

IRVINE, CA – Automated pupillometry and the Neurological Pupil index™ (NPi®) emerge as critical tools for assessing patients at risk of brain injury across a broad spectrum of diagnoses. Read More.

May 11, 2021Case Study Series Published in Journal of Neuroscience Nursing Demonstrates NeurOptics’ Pupillometry is Key Tool for Neurological Assessment

IRVINE, CA – Study shows automated pupillometry provides reliable and objective pupil reactivity measurements that may impact treatment decisions for stroke patients. Read More.

April 14, 2021 – Clinical Poster on NPi for Coma Prognostication in Non-Anoxic Brain Injury Patients Presented at 2021 Euro Neuro

PARIS, FRANCE – A clinical poster presentation discussing the prognostic value of quantitative pupillometry and NPi in patients with primary non-anoxic brain injury was presented at the 2021 Euro Neuro e-congress held virtually from April 14-16, 2021. Read More.

April 8, 2021 – New Case Study: NPi as an Indicator of Irreversible Cerebral Edema

DALLAS, TX – A new case study series was published in the Journal of Neuroscience Nursing (JNN), the official peer-reviewed journal of the American Association of Neuroscience Nursing. Read More.

April 8, 2021New Study: Pupil Reactivity Unaffected by Epinephrine and Atropine

A new pupillometry study, published in the Journal of Intensive Care Medicine, shows that epinephrine and atropine do not abolish the PLR in patients who achieve ROSC after in-hospital cardiac arrest, measured by NeurOptics’ NPi-200 Pupillometer and NPi. The full study can be viewed here.

March 25, 2021NeurOptics Launches Pupillometry Program at Vanderbilt University Medical Center

IRVINE, CA – Neurological intensive care unit implements pupillometry as an important tool to support management of patients with brain injury. Read More.

February 23, 2021NeurOptics Launches Virtual Pupillometry Education Platform

LAGUNA HILLS, CA – Symposiums will demonstrate clinical utility and introduce practitioners to pupillometry and NPi as a valuable measurement in managing patients at risk of brain injury. Read More.

November 19, 2020NeurOptics’ Neurological Pupil index™ and Automated Pupillometry Included in New American Heart Association Guidelines for CPR and Emergency Cardiovascular Care

LAGUNA HILLS, CA – NeurOptics’ Neurological Pupil index (NPi) and automated pupillometry are now included in the updated 2020 American Heart Association (AHA) Guidelines for Cardiopulmonary Resuscitation (CPR) and Emergency Cardiovascular Care (ECC) as an objective measurement supporting brain injury prognosis in patients following cardiac arrest. Read More.

October 29, 2020New Study Results Show NPi-200 Pupillometer Provides Improves Triage for Patients with Traumatic Brain Injury

LAGUNA HILLS, CA – A new study found that automated infrared pupillometry measured by NeurOptics’ NPi®-200 Pupillometer, which provides an automated assessment of the pupillary light reflex, can improve triage and expedite treatment for patients with traumatic brain injuries. The study was published in the journal World Neurosurgery. Read More.

September 23, 2020Clinical poster presentations focusing on pupillometry and NPi, the Neurological Pupil index, are being presented at the Neurocritical Care Society (NCS) 18th Annual Meeting held virtually September 22-25, 2020. Read More.

September 20, 2020 – PHILADELPHIA, PA – A new study from Children’s Hospital of Philadelphia (CHOP) has demonstrated how a specific assessment of the eye could someday help properly diagnose and monitor concussions. The findings were published in JAMA Ophthalmology.

 

In the first study of its kind, the research team at demonstrated that quantitative pupillary light reflex (PLR) metrics, which determine how the pupil responds to light and are obtained by using a hand-held infrared pupillometer by NeurOptics, and can be used to differentiate concussed adolescent athletes from healthy adolescents. Read the Press Release.

March 25, 2020A review of noninvasive multimodality neuromonitoring technologies was published in the Annual Update in Intensive Care and Emergency Medicine 2020, in Critical Care. “Essential Noninvasive Multimodality Neuromonitoring for the Critically Ill Patient,” authored by Frank Rasulo, Tommaso Togni, University at Spedali Civili Hospital in Brescia, Italy, and Stefano Romagnoli, University of Florence, Florence, Italy, describes the valuable role automated pupillometry and NPi play in multimodality neuromonitoring in critically ill patients. Read More.

February 24, 2020 – New Study: NPi as an Indicator of Neurological Worsening

A new pupillometry study, “Neurological Pupil Index as an Indicator of Neurological Worsening in Large Hemispheric Strokes”, was published in the online edition of the Neurocritical Care. The study suggests that a significant and sudden drop of NPi can be an indicator of neurological worsening due to brain edema in patients suffering large hemispheric strokes. The full study can be viewed here.

February 7, 2020 – New Study: NPi in VA-ECMO

GLENVIEW, ILLINOIS – A new pupillometry study, “Neurological Pupil index (NPi) for Early Prognostication After Venoarterial Extracorporeal Membrane Oxygenation”, was published in the print edition of Chest Journal. The authors found NPi alone had excellent ability to predict a poor outcome from day 1 after VA-ECMO insertion, with no false positives. Read More.

November 4, 2019 – New Pupillometry Study Published in the Journal of Neuroscience Nursing

CLEVELAND, OHIO – A new pupillometry study was published in the December edition of the Journal of Neuroscience Nursing (JNN), the official peer-reviewed journal of the American Association of Neuroscience Nursing (AANN). Read More.

October, 2019 – A new pupillometry study on the impact of increased ICP published in Critical Care Explorations.

The study, “Impact of Increased Intracranial Pressure on Pupillometry: A Replication Study,” involved 273 patients from the END PANIC registry, and sought to replicate a previous pupillometry study by McNett et al. The study’s findings “confirm and extend those of McNett et al: Worsening measures of the pupillary light reflex using automated pupillometry are associated with elevated intracranial pressure.” The study can be viewed here.

October 16, 2019 – Nine Posters on the NPi®-200 Pupillometer Presented at 2019 NCS

VANCOUVER, BC – Nine clinical poster presentations focusing on pupillometry were presented at the Neurocritical Care Society (NCS) 17th Annual Meeting held October 15-18, 2019 in Vancouver, BC. Read More.

May 8, 2019New Study on Using Pupillometry Early After Cardiac Arrest Published in Neurocritical Care

 

The study, “Neurological Pupil Index and Pupillary light Reflex by Pupillometry Predict Outcome Early After Cardiac Arrest,” authored by Richard R. Riker, Mary E. Sawyer, Victoria G. Fischman, Teresa May, Christine Lord, Ashley Eldridge, and David B. Seder, involved 55 adult post-Cardiac Arrest patients treated with targeted temperature management (TTM). The authors concluded: “Very early after resuscitation from cardiac arrest, abnormal Neurological Pupil Index and pupillary light reflex measurements by pupillometer are predictive of poor outcome, and are not usually associated with dilated pupils.” The study can be viewed here.

May 7, 2019 – Clinical Poster on NPi after Hemicraniectomy at 2019 AAN

PHILADELPHIA, PENNSYLVANIA – A clinical poster presentation discussing how improvement in NPi after hemicraniectomy is correlated with better patient outcomes at discharge was presented by clinicians from University of Texas Southwestern at the 2019 American Academy of Neurology (AAN) held May 4-10 in Philadelphia this week and can be viewed here – Summary   Poster

May 2, 2019New Pupillometry Study Published in Critical Care

 

The study, “Quantitative pupillometry for the monitoring of intracranial hypertension in patients with severe traumatic brain injury,” authored by Fritz-Patrick Jahns, John Paul Miroz, Mahmoud Messerer, Roy T. Daniel, Fabio Silvio Taccone, Philippe Exckert, and Mauro Oddo, examined the relationship between the Neurological Pupil index (NPi) and invasive ICP in 54 patients with severe TBI. The study found for subjects with intracranial hypertension (ICHT), episodes of sustained elevated ICP were associated with a concomitant decrease in NPi. The full study can be viewed here.

April 25, 2019A new study was published in the April edition of the Journal of Stroke and Cerebrovascular Diseases (JSCVD).

 

The study, “Correlation of Objective Pupillometry to Midline Shift in Acute Stroke Patients”, authored by Mohamed Osman, Sonja E. Stutzman, Folefac Atem, DaiWai Olson, Amber D. Hicks, Stefany Ortega-Perez, Salah G. Aoun, Ahmed Salem, and Venkatesh Aiyagari, involved 134 patients with acute ischemic stroke or intracerebral hemorrhage. The study found in patients with ischemic and hemorrhagic strokes, there is a significant correlation between the septum pellucidum (SPS) and the Neurologic Pupil index (NPi®)….. but not with pupillary size. The authors concluded NPi assessment by automated pupillometry could be considered as a useful surrogate to noninvasively monitor midline shift in stroke patients and help in utilization of imaging and indicate the need to intervention. The study can be viewed here.

April 1, 2019New Study Results Show NPi Improves Following Osmotic Therapy in Critical Care Patients

A new study was published in the April edition of Neurocritical Care, the official journal of the Neurocritical Care Society (NCS).

 

The study, “Effects of Osmotic Therapy on Pupil Reactivity: Quantification Using Pupillometry in Critically Ill Neurologic Patients”, authored by C Ong, M Hutch, M Barra, A Kim, S Zafar and S Smirnakis, involved 72 patients at two centers in Boston. The study found that significant quantifiable improvement in pupillary reactivity, by measuring NPi® (Neurological Pupil index™), followed administration of osmotic therapy in critically ill patients with cerebral edema. The study was conducted with support from the American Brain Foundation. The study can be viewed here.

March 7, 2019Study Results Show NPi-200 Pupillometer Provides Early Warning of Neurological Damage

LAGUNA HILLS, CA – A new study found that NeurOptics’ NPi®-200 Pupillometer, which provides an automated assessment of the pupillary light reflex, may signal an early warning of potential delayed cerebral ischemia and enable preemptive escalation of care. The study was published in the Journal of Neurosurgery. Read more.

February 17, 2019 – Clinical Poster on Pupillometry EMR Integration Presented at 2019 SCCM

SAN DIEGO, CALIFORNIA – A clinical poster presentation focusing on EMR integration of the NPi-200 Pupillometer in the Intensive Care Unit was presented at the Society of Critical Care Medicine (SCCM) 48th Critical Care Congress held February 17-20 in San Diego, CA. Read More.

December 1, 2018 – New Pupillometry Study Published in the Journal of Neuroscience Nursing

CLEVELAND, OHIO – A new pupillometry study and accompanying editorial were published in the December edition of the Journal of Neuroscience Nursing (JNN), the official peer-reviewed journal of the American Association of Neuroscience Nursing (AANN). Read More.

December 1, 2018 – New Pupillometry Study Published in Intensive Care Medicine

PARIS, FRANCE – A new pupillometry study was published in the December edition of Intensive Care Medicine, the official journal of the European Society of Intensive Care Medicine (ESICM) and the European Society of Paediatric and Neonatal Intensive Care. Read More.

September 27, 2018 – Six Posters on the NPi®-200 Pupillometer Presented at 2018 NCS

BOCA RATON, FLORIDA – Six clinical poster presentations focusing on pupillometry using the NPi®-200 Pupillometer were presented at the Neurocritical Care Society (NCS) 16th Annual Meeting held September 24 – 28 in Boca Raton, FL. Read More.

May 3, 2018 – New Pupillometry Study Published in Nature/Scientific Reports

LONDON, UNITED KINGDOM – A new pupillometry study was published in the online journal of Nature/Scientific Reports, the world’s largest online peer-reviewed scientific journal. Read More.

February 26, 2018 – Two Pupillometry Studies at 2018 SCCM on Cardiac Arrest

SAN ANTONIO, TEXAS – Two clinical presentations focusing on the use of pupillometry in cardiac arrest were presented at the 2018 Society of Critical Care Medicine (SCCM) Congress held February 25-28, 2018 in San Antonio, Texas. Read More.

February 1, 2018 – Saved by the Pupillometer! – New TBI Case Study Published in Brain Injury

ALEXANDRIA, VA – A Traumatic Brain Injury (TBI) case study was published in the latest edition of Brain Injury, the official peer-reviewed research journal of the International Brain Injury Association (IBIA). Read More.

February 1, 2018 – New Pupillometry Study Published in the Journal of Neuroscience Nursing

CHICAGO, IL – A pupillometry study was published in the latest edition of the Journal of Neuroscience Nursing (JNN), the official peer-reviewed journal of the American Association of Neuroscience Nursing (AANN). Read More.

October 10, 2017 – Six Clinical Pupillometry Posters Presented at 2017 NCS

WAIKOLOA VILLAGE, HAWAII – Six clinical poster presentations focusing on pupillometry were presented at the Neurocritical Care Society (NCS) 15th Annual Meeting held October 10-13, 2017 in Waikoloa Village, Hawaii. Read more.

September 20, 2017 – Two New Clinical Poster Presentations Focusing on Pupillometry

OPATIJA, CROATIA – Two clinical poster presentations focusing on pupillometry were presented at the 12th Annual Congress of the World Federation of Neuroscience Nurses held Sept. 17-21, 2017 in Croatia. Read more.

July 1, 2017 – Two Clinical Papers Published in the Journal of Neuroscience Nursing

CHICAGO, IL- Two clinical papers were published in the latest edition of the Journal of Neuroscience Nursing (JNN), the official peer-reviewed journal of the American Association of Neuroscience Nursing (AANN). Read more.

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May 5, 2017 – New Pupillometry Poster at Mayo Clinic Neuro and Intensive Care Workshop

ORLANDO, FL – A clinical poster presentation was presented at the Mayo Clinic Neuro and Intensive Care: Review and Hands-on Workshop 2017 focusing on the use of Pupillometry. Read more.

March 24, 2017 – Two Poster Presentations presented at the 2017 American Association of Neuroscience Nursing (AANN) focusing on Pupillometry

BOSTON, MA – Two clinical poster presentations were presented at the American Association of Neuroscience Nursing (AANN) Annual Meeting in Boston this week focusing on the use of pupillometry. Read more.

February 15, 2017 – Two Leading Critical Care Nursing Textbooks Highlight Importance of Automated Pupillometry

IRVINE, CA – Recently published editions of two leading critical care nursing textbooks now include discussions about automated pupillometry, based on comprehensive reviews of state-of-the-art information about critical care procedures. Read more.