scholarly journals Reproducibility and accuracy of optic nerve sheath diameter assessment using ultrasound compared to magnetic resonance imaging

BMC Neurology ◽  
2013 ◽  
Vol 13 (1) ◽  
Author(s):  
Jochen Bäuerle ◽  
Florian Schuchardt ◽  
Laure Schroeder ◽  
Karl Egger ◽  
Matthias Weigel ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Optic Nerve ◽  
Magnetic Resonance ◽  
Optic Nerve Sheath Diameter ◽  
Optic Nerve Sheath ◽  
Resonance Imaging ◽  
Nerve Sheath

Correlation of optic nerve sheath diameter measurements by computed tomography and magnetic resonance imaging

2013 ◽  
Vol 31 (11) ◽  
pp. 1595-1597 ◽  
Author(s):  
Hossein Kalantari ◽  
Rajnish Jaiswal ◽  
Isaac Bruck ◽  
Hussein Matari ◽  
Farzaneh Ghobadi ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Computed Tomography ◽  
Optic Nerve ◽  
Magnetic Resonance ◽  
Optic Nerve Sheath Diameter ◽  
Optic Nerve Sheath ◽  
Resonance Imaging ◽  
Nerve Sheath

Measurement of the Optic Nerve Sheath Diameter in Children: Comparison Between Transbulbar Sonography and Magnetic Resonance Imaging

2011 ◽  
Vol 33 (06) ◽  
pp. 569-573 ◽  
Author(s):  
M. Steinborn ◽  
J. Fiegler ◽  
K. Ruedisser ◽  
A. Hapfelmeier ◽  
C. Denne ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Optic Nerve ◽  
Magnetic Resonance ◽  
Image Quality ◽  
Mr Imaging ◽  
Optic Nerve Sheath Diameter ◽  
Optic Nerve Sheath ◽  
Resonance Imaging ◽  
Nerve Sheath ◽  
Accuracy Of Measurements

Abstract Purpose: To evaluate the accuracy of measurements of the optic nerve sheath diameter (ONSD) in children by comparing transbulbar sonography with magnetic resonance imaging (MRI). Materials and Methods: 65 children (age: 3 mo– 17y; mean age: 11.3y) underwent MR imaging of the brain including a heavily T 2-w sequence of the orbit and transbulbar sonography using a 17 MHz linear array transducer. Measurements of the ONSD were performed retrospectively by two experienced readers and all images were evaluated regarding the image quality. Bland-Altman Plots were produced to assess the accuracy of measurements. The correlation between readers and between MR imaging and transbulbar sonography was calculated by the concordance correlation coefficient (CCC). Results: Overall the mean values of the ONSD for MRI (5.86 ± 0.66 mm) and transbulbar sonography (5.86 ± 0.71 mm) were identical. There was a high correlation between readers for measurements of the ONSD both for transbulbar sonography (CCC = 0.93) as well as for MRI (CCC = 0.9). Comparing the measurement values between transbulbar sonography and MRI, the correlation of ONSD values was good to moderate with a high dependency on image quality (CCC [0.31, 0.68]). Conclusion: We were able to demonstrate that the ONSD values of transbulbar sonography in children correlate well with MRI if the relevant anatomic structures are depicted and the measuring points are set correctly. Based on the findings of our study, it seems necessary to define normal and cut-off values for the ONSD in children again to finally assess the clinical relevance of the ONSD as a noninvasive parameter for the evaluation of intracranial pressure.

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