Results 1 to 10 of about 7,387 (178)

Optic nerve sheath diameter and optic nerve sheath diameter/eyeball transverse diameter ratio in prediction of malignant progression in ischemic stroke

Frontiers in Neurology, 2022
BackgroundThe optic nerve sheath diameter (ONSD)/eyeball transverse diameter (ETD) ratio has been suggested in the evaluation of intracranial pressure (ICP). The aim of this study was to evaluate the predictive value of ONSD and ONSD/ETD in relation to risk for secondary malignant middle cerebral artery infarction (MMI).MethodsA total of 91 patients ...
Yuan Guo, Yinjuan Chen, Chaoxiong Shen, Daofeng Fan, Xiaohong Hu, Jiaojiao Duan, Yangui Chen   +6 more
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Optic nerve sheath diameter in patients with hepatic encephalopathy

PLOS ONE, 2022
Background This study aims to reveal whether the optic nerve sheath diameter (ONSD) increases in hepatic encephalopathy (HE) patients, and to determine ONSD is associated with the poor prognosis of patients with HE. Methods and material In this retrospective case-control study, HE patients who underwent cranial computerized tomography (CT) were ...
Nese Colak, Ozlem Bayrak Basakci, Basak Bayram, Ersin Aksay, Muhammet Kursat Simsek, Nuri Karabay   +5 more
openaire   +4 more sources

The clinical and prognostic values of optic nerve sheath diameter and optic nerve sheath diameter/eyeball transverse diameter ratio in comatose patients with supratentorial lesions [PDF]

BMC Neurology, 2021
Abstract Background The optic nerve sheath diameter (ONSD) and ONSD/eyeball transverse diameter (ETD) ratio have been proven to be correlated with intracranial pressure. This study aimed to evaluate the prognostic roles of ONSD and the ONSD/ETD ratio in comatose patients with supratentorial lesions and to determine the ...
Sha Zhu, Chao Cheng, Dianjiang Zhao, Yuanli Zhao, Xianzeng Liu, Jun Zhang   +5 more
openaire   +3 more sources

Ultrasound measurement of optic nerve diameter and optic nerve sheath diameter in healthy Chinese adults [PDF]

BMC Neurology, 2015
Measurement of optic nerve sheath diameter (ONSD) is a fast and non-invasive method in detecting elevated intracranial pressure. However, the reported normal range of ONSD was inconsistent. The objective of the study was to determine the normal range of ONSD in healthy Chinese adults.Eyeball transverse diameter (ETD), optic nerve diameter (OND), and ...
Chen, Han, Ding, Gui-Sheng, Zhao, Yan-Chun, Yu, Rong-Guo, Zhou, Jian-Xin   +4 more
openaire   +2 more sources

Ultrasound of Optic Nerve Sheath Diameter and Stroke Outcomes

Critical Care Explorations, 2021
OBJECTIVES: We aimed at utilizing ocular ultrasound to determine its utility in predicting outcomes among stroke patients. DESIGN: Single-center prospective observational study. SETTING: Emergency department and ICUs.
Rohit Patel, MD, Muhammad A. B. Chowdhury, MPH, Sarah Gul, MD, Brenda G. Fahy, MD, Andres Gonzalez, MD, Desmond Fitzpatrick, MD, Giuliano DePortu, MD, Emily Weeks, MD, Marie-Carmelle Elie-Turenne, MD, Samirah Ocampo, BS, Sameer Ponnaluri, BS, Michael A. Pizzi, DO, PhD   +11 more
openaire   +3 more sources

Optic Nerve Sheath Diameter and Acute Mountain Sickness [PDF]

Wilderness & Environmental Medicine, 2013
Objective Increased intracranial pressure (ICP) may contribute to acute mountain sickness (AMS). Measuring optic nerve sheath diameter (ONSD) by ultrasound (US) is a noninvasive technique to detect elevated ICP, and increased ONSD has been associated with AMS.
Linda E, Keyes, Ryan, Paterson, Dowin, Boatright, Vaughn, Browne, Gig, Leadbetter, Peter, Hackett   +5 more
openaire   +2 more sources

Optic Nerve Sheath Diameter in Hyponatremia: A Closer Look

Indian Journal of Critical Care Medicine, 2023
How to cite this article: Jose J, Suresh V, Magoon R. Optic Nerve Sheath Diameter in Hyponatremia: A Closer Look. Indian J Crit Care Med 2023;27(6):452.
Jose, Jes, Suresh, Varun, Magoon, Rohan
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Measurement of Optic Nerve and Optic Nerve Sheath Diameter in MRI Brain

Journal of Institute of Medicine Nepal, 2023
Introduction: Many diseases affect the size of the optic nerve and optic nerve sheath, measurement of which is important for the diagnosis and treatment of different pathologies of the brain and orbit. This study aimed to measure the diameter of the optic nerve and optic nerve sheath in MRI brain examinations.
Sharma Paudel, Sweta Joshi, Durga Pandey, Prakash Kayastha   +3 more
openaire   +1 more source

Correlation of optic nerve and optic nerve sheath diameter with intracranial pressure in pigs

PLOS ONE, 2020
Several studies have shown an association between intracranial pressure and the diameter of the optic nerve sheath measured by transbulbar ultrasonography. To understand the pathophysiology of this phenomenon, we aimed to measure the changes of the optic nerve, optic nerve sheath and perineural space separately with increasing intracranial pressure in ...
R. Mija, I. Zubak, A. Schuetz, M. Glas, C. Fung, S. M. Jakob, J. Beck, W. J. Z’Graggen, Andreas Bloch   +8 more
openaire   +4 more sources

The role of optic nerve sheath diameter ultrasound in brain infection

eNeurologicalSci, 2021
Brain infections cause significant morbidity and mortality worldwide, especially in resource-limited settings with high HIV co-infection rates. Raised intracranial pressure [ICP] may complicate brain infection and worsen neurological injury, yet invasive ICP monitoring is often unavailable.
Stead, GA, Cresswell, FV, Jjunju, S, Oanh, PKN, Thwaites, G, Donovan, J   +5 more
openaire   +4 more sources