Systematic Reviews
Copyright ©The Author(s) 2024.
World J Crit Care Med. Sep 9, 2024; 13(3): 97205
Published online Sep 9, 2024. doi: 10.5492/wjccm.v13.i3.97205
Table 3 Pertinent concerns regarding optic nerve sheath diameter measurement in medical intensive care unit

Related issues
How to measure ONSD?
(1)A scan or B scan? What is blooming effect?
(2)CLOSED protocol?
(3)Transverse or horizontal?
(4)How many values before obtaining a mean?
(5)ONSD or OND or ratio?
What is the body of evidence in various subset of patients?
(1)Acute ischemic stroke and CVST
(2)Acute hemorrhagic stroke
(3)Hydrocephalus
(4)Idiopathic intracranial hemorrhage
(5)Meningitis
(6)Septic metabolic encephalopathy
Can ONSD be used as a management tool?
Can ONSD be a reliable outcome measure?
(1)Post cardiac arrest
(2)Dysnatremia