Results 11 to 20 of about 552,531 (256)

Optic nerve sheath meningocele

International Medical Case Reports Journal, 2018
Musleh Algarni,1,2 Pejman J Maralani,3 Arun NE Sundaram1 1Department of Ophthalmology and Vision Sciences, Sunnybrook Health Sciences Center, University of Toronto, Toronto, ON, Canada; 2Department of Medicine, Al Thagher General Hospital, Jeddah, Saudi ...
Algarni M, Maralani PJ, Sundaram ANE
doaj   +1 more source

Postural changes in optic nerve and optic nerve sheath diameters in postural orthostatic tachycardia syndrome and spontaneous intracranial hypotension: A cohort study. [PDF]

PLoS ONE, 2019
BackgroundPostural orthostatic tachycardia syndrome is a disorder of the autonomic nervous system. Approximately 30% of patients experience orthostatic headaches.
Debora Cipriani, Belén Rodriguez, Levin Häni, Raya Zimmermann, Jens Fichtner, Christian T Ulrich, Andreas Raabe, Jürgen Beck, Werner J Z'Graggen   +8 more
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Correlation of optic nerve and optic nerve sheath diameter with intracranial pressure in pigs. [PDF]

PLoS ONE, 2020
OBJECTIVE: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
R Mija, I Zubak, A Schuetz, M Glas, C Fung, S M Jakob, J Beck, W J Z'Graggen, Andreas Bloch   +8 more
doaj   +3 more sources

Optic nerve sheath meningocele

Clinical Ophthalmology, 2008
Juan Carlos Mesa-Gutiérrez, Silvia Muñoz Quiñones, Jorge Arruga GinebredaDepartment of Ophthalmology, Hospital Universitari de Bellvitge, L’Hospitalet de Llobregat, Barcelona, SpainAbstract: A 53-year-old man ...
Juan Carlos Mesa-Gutiérrez, Silvia Muñoz Quiñones, Jorge Arruga Ginebreda   +2 more
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Vertical lid split approach for optic nerve sheath decompression

Indian Journal of Ophthalmology, 2009
We describe a vertical lid split orbitotomy approach to perform optic nerve sheath fenestration which was done in a patient with idiopathic intracranial hypertension. A vertical lid split incision was used to enter the superomedial orbit and approach the
Prabhakaran Venkatesh, Selva Dinesh
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The Optic Nerve Sheath Meningocele

Swiss Journal of Radiology and Nuclear Medicine
Optic nerve sheath meningocele (ONSM) is a rare condition with only a few cases reported in the medical literature. The etiology is unknown. The condition is characterized by an expansion of the cerebrospinal fluid space surrounding the optic nerve ...
Ilson Sepúlveda Aguilar, Francisco Rivas-Rodriguez   +1 more
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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. PATIENTS:.
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
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The effects of positive end-expiratory pressure (PEEP) application on optic nerve sheath diameter in patients undergoing laparoscopic cholecystectomy: a randomized trial

Brazilian Journal of Anesthesiology, 2023
Background: Positive end-expiratory pressure (PEEP) can overcome respiratory changes that occur during pneumoperitoneum application in laparoscopic procedures, but it can also increase intracranial pressure. We investigated PEEP vs.
Seher Yanatma, Reyhan Polat, Mehmet Murat Sayın, Safinaz Karabayırlı   +3 more
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Military trainees can accurately measure optic nerve sheath diameter after a brief training session

Military Medical Research, 2018
Background Identification of elevated intracranial pressure is important following traumatic brain injury. We assessed the feasibility of educating military trainees on accurately obtaining optic nerve sheath diameter measurements using a brief didactic ...
Joseph Betcher, Torben K. Becker, Peter Stoyanoff, Jim Cranford, Nik Theyyunni   +4 more
doaj   +1 more source

A Pilot Study: The Effect of COVID-19 on Sonographic Optic Nerve Sheath Diameter Measured for Critical Patient Management

Hitit Medical Journal, 2023
Objective: The aim of this study is to evaluate the effects of the Coronavirus disease 2019 on sonographic optic nerve sheath diameter measurement and thus avoid possible misleading results in clinical practice.
Nurdan Fidan, Seval Komut
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