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CC BY-NC-ND 4.0 · Arquivos Brasileiros de Neurocirurgia: Brazilian Neurosurgery 2022; 41(04): e324-e330
DOI: 10.1055/s-0041-1740174
Original Article

Correlation between the Optic Nerve Sheath Diameter Measurement and Intracranial Hypertension Tomographic Findings from a Colombian Hospital

Correlação entre a medição do diâmetro da bainha do nervo óptico e os achados tomográficos da hipertensão intracraniana em um hospital colombiano
Andrés Fabricio Caballero-Lozada 
1   Department of Anesthesiology and Resuscitation, Universidad del Valle, Cali, Colombia
2   Department of Anesthesiology, Hospital Universitario del Valle, Cali, Colombia
3   Fundación Hospital San José de Buga, Buga, Colombia
4   Department of Anesthesiology, Unidad Central del Valle del Cauca, Tuluá, Colombia
,
Jorge Fernando Miño-Bernal 
2   Department of Anesthesiology, Hospital Universitario del Valle, Cali, Colombia
,
Rene Alberto Espinosa-Marsiglia 
1   Department of Anesthesiology and Resuscitation, Universidad del Valle, Cali, Colombia
2   Department of Anesthesiology, Hospital Universitario del Valle, Cali, Colombia
,
Valentina Rojas-Rincón 
4   Department of Anesthesiology, Unidad Central del Valle del Cauca, Tuluá, Colombia
› Author Affiliations Funding Sources The present research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.
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Abstract

Objective In the present study, we aimed at determining the correlation between tomographic findings of intracranial hypertension and ultrasound measurement of the optic nerve sheath diameter (ONSD).

Methods Observational, descriptive, prospective, cross-sectional pilot study. The present research was performed in a tertiary hospital in Cali, Colombia, from March 2019 to October 2019. Twenty-five patients constituted the intracranial hypertension group, and 25 patients without intracranial hypertension constituted the control group. Ultrasound measurements of the ONSD were assessed using a Sonosite Turbo (SonoSite Inc., Bothell, WA, USA) ultrasound. The computed tomography (CT) images obtained from each patient diagnosed with intracranial hypertension were available in the software of the hospital. The primary outcome was the ultrasound measurement of the ONSD.

Results The ONSD values of the right eye of the intracranial hypertension group ranged from 5.2 to 7.6 mm, and the ONSD of the left eye ranged from 5.3 to 7.3 mm. The global ONSD values, obtained from the average between the right and left eye, were recorded between 5.25 and 7.45 mm. Overall, our study indicated that ultrasound measurements of the ONSD were effective in differentiating a group with intracranial hypertension, previously diagnosed by CT scan images, from patients without this condition. According to the ROC curve, the optimal cutoff point for detecting intracranial hypertension was 5.2 mm.

Conclusions Ultrasound measurements of the ONSD correlated with the measurements obtained from CT scan images, suggesting that the ultrasound technique can be efficient in identifying patients with intracranial hypertension and valuable in cases when CT scan images are not an available option.

Resumo

Objetivo No presente estudo, pretendemos determinar a correlação entre os achados tomográficos da hipertensão intracraniana e a medida ultrassonográfica do diâmetro da bainha do nervo óptico (DBNO).

Métodos Estudo piloto, observacional, descritivo, prospectivo e transversal. A presente pesquisa foi realizada em um hospital terciário de Cali, na Colômbia, de março de 2019 a outubro de 2019. Vinte e cinco pacientes fizeram parte do grupo de hipertensão intracraniana e 25 pacientes sem hipertensão intracraniana fizeram parte do grupo controle. O ultrassom Sonosite Turbo (SonoSite Inc., Bothell, WA, EUA) foi utilizado para a medição ultrassonográfica do DBNO. As imagens tomográficas computadorizadas obtidas de cada paciente com diagnóstico de hipertensão intracraniana estavam disponíveis no software do Hospital. O resultado primário foi a medida ultrassonográfica do DBNO.

Resultados Os valores de DBNO do olho direito do grupo de hipertensão intracraniana foram de 5,2 a 7,6 mm e o DBNO do olho esquerdo foi de 5,3 a 7,3 mm. No que se refere aos valores globais de DBNO obtidos a partir da média entre o olho direito e o olho esquerdo, registrou-se entre 5,25 e 7,45mm. No geral, o presente estudo indicou que as medições ultrassonográficas do DBNO foram eficazes na diferenciação de um grupo com hipertensão intracraniana, previamente diagnosticada por imagens de tomografia computadorizada (TC), de pacientes sem essa condição. De acordo com a curva ROC, o ponto de corte ideal para detectar hipertensão intracraniana foi de 5,2 mm.

Conclusões De acordo com nossos achados, as medidas ultrassonográficas do ONSD se correlacionaram com as medidas obtidas nas imagens de TC, sugerindo que a técnica ultrassonográfica pode ser eficiente para identificar pacientes com hipertensão intracraniana e útil nos casos em que as imagens tomográficas não são uma opção disponível.

Keywords

Optic nerve - Intracranial hypertension - Ultrasonography - Tomography, X-Ray Computed

Palavras-chave

Nervo Óptico - Hipertensão Intracraniana - Ultrassonografia - Tomografia Computadorizada por Raios X

Informed Consent and Patient Details

The authors declare that the present report does not contain any personal information that could identify the patient(s) or volunteers.


Presentation

Preliminary data for the present study were presented as an abstract European Anaesthesiology Congress 2020. European Journal of Anaesthesiology. 2020;37(e-Supplement 58):191


Ethics

The Institutional Committee for the Review of Human Ethics of the Universidad del Valle (Cali, Colombia) on February 28, 2019, gave the ethical approval for the present study (Ethical Committee N° 221–018).


Author Contributions

All authors attest that they meet the current International Committee of Medical Journal Editors (ICMJE) criteria for Authorship.




Publication History

Received: 23 April 2021

Accepted: 30 July 2021

Article published online:
16 December 2022

© 2022. Sociedade Brasileira de Neurocirurgia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commecial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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