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Normal Age- and Sex-Related Values of the Optic Nerve Sheath Diameter and Its Dependency on Position and Positive End-Expiratory Pressure

Ertl, Michael ; Knüppel, Christin ; Veitweber, Martina ; Wagner, Andrea ; Pfister, Karin ; Wendl, Christina ; Baldaranov, Dobri ; Beck, Jürgen ; Linker, Ralf A. ; Schlachetzki, Felix


Optic nerve sheath diameter (ONSD) sonography is a reliable method for evaluation of intracranial pressure, yet there is a lack of reliable normal values. In the study described here, we established normal ONSD values in three different age groups and both sexes. One hundred eighty-seven volunteers without central nervous system disease were enrolled in this prospective study. ONSD measurements ...


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