دورية أكاديمية
Estimating the accuracy of optic nerve sheath diameter measurement using a pocket-sized, handheld ultrasound on a simulation model
| العنوان: | Estimating the accuracy of optic nerve sheath diameter measurement using a pocket-sized, handheld ultrasound on a simulation model |
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| المؤلفون: | Garrett G. R. J. Johnson, Frederick A. Zeiler, Bertram Unger, Gregory Hansen, Dimitrios Karakitsos, Lawrence M. Gillman |
| المصدر: | Critical Ultrasound Journal, Vol 8, Iss 1, Pp 1-5 (2016) |
| بيانات النشر: | SpringerOpen, 2016. |
| سنة النشر: | 2016 |
| المجموعة: | LCC:Medical physics. Medical radiology. Nuclear medicine |
| مصطلحات موضوعية: | Point-of-care ultrasound, Optic nerve sheath diameter, Ultrasound, Intra-cranial pressure, Handheld ultrasound, Medical physics. Medical radiology. Nuclear medicine, R895-920 |
| الوصف: | Abstract Background Ultrasound measurement of optic nerve sheath diameter (ONSD) appears to be a promising, rapid, non-invasive bedside tool for identification of elevated intra-cranial pressure. With improvements in ultrasound technology, machines are becoming smaller; however, it is unclear if these ultra-portable handheld units have the resolution to make these measurements precisely. In this study, we estimate the accuracy of ONSD measurement in a pocket-sized ultrasound unit. Methods Utilizing a locally developed, previously validated model of the eye, ONSD was measured by two expert observers, three times with two machines and on five models with different optic nerve sheath sizes. A pocket ultrasound (Vscan, GE Healthcare) and a standard portable ultrasound (M-Turbo, SonoSite) were used to measure the models. Data was analyzed by Bland–Altman plot and intra-class correlation coefficient (ICC). Results The ICC between raters for the SonoSite was 0.878, and for the Vscan was 0.826. The between-machine agreement ICC was 0.752. Bland–Altman agreement analysis between the two ultrasound methods showed an even spread across the range of sheath sizes, and that the Vscan tended to read on average 0.33 mm higher than the SonoSite for each measurement, with a standard deviation of 0.65 mm. Conclusions Accurate ONSD measurement may be possible utilizing pocket-sized, handheld ultrasound devices despite their small screen size, lower resolution, and lower probe frequencies. Further study in human subjects is warranted for all newer handheld ultrasound models as they become available on the market. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 2036-3176 2036-7902 |
| العلاقة: | http://link.springer.com/article/10.1186/s13089-016-0053-9Test; https://doaj.org/toc/2036-3176Test; https://doaj.org/toc/2036-7902Test |
| DOI: | 10.1186/s13089-016-0053-9 |
| الوصول الحر: | https://doaj.org/article/bee21ae939c2412188f12441e1a67078Test |
| رقم الانضمام: | edsdoj.bee21ae939c2412188f12441e1a67078 |
| قاعدة البيانات: | Directory of Open Access Journals |
Full Text Finder | تدمد: | 20363176 20367902 |
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| DOI: | 10.1186/s13089-016-0053-9 |