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The Detection of Spontaneous Venous Pulsation with Smartphone Video Ophthalmoscopy
PURPOSE: Spontaneous venous pulsation (SVP) has a high negative predictive value for raised intracranial pressure and is a useful sign when assessing patients with headache. The objective was to determine if smartphone-based video ophthalmoscopy can detect SVP. PATIENTS AND METHODS: In total 233 pat...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Dove
2020
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7006856/ https://www.ncbi.nlm.nih.gov/pubmed/32099318 http://dx.doi.org/10.2147/OPTH.S238897 |
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author | Laurent, Charlotte Hong, Sheng Chiong Cheyne, Kirsten R Ogbuehi, Kelechi C |
author_facet | Laurent, Charlotte Hong, Sheng Chiong Cheyne, Kirsten R Ogbuehi, Kelechi C |
author_sort | Laurent, Charlotte |
collection | PubMed |
description | PURPOSE: Spontaneous venous pulsation (SVP) has a high negative predictive value for raised intracranial pressure and is a useful sign when assessing patients with headache. The objective was to determine if smartphone-based video ophthalmoscopy can detect SVP. PATIENTS AND METHODS: In total 233 patients and 291 eyes were recruited from the Dunedin Hospital eye clinic from July to November 2018. Patients were examined by a clinician and graded for SVP with a slit lamp and 78 Dioptre lens. Videos were taken with a smartphone ophthalmoscope and graded by two separate clinicians blinded to the slit lamp findings. RESULTS: Only 272 eyes of 215 patients were included, as others failed in the inclusion criteria for overall video quality. Sensitivity was calculated as how likely the presence of SVP on video was indicative of the presence of SVP on slit lamp. Sensitivity was 84.77% for Observer 1, with 128 videos graded as positive for SVP on video ophthalmoscopy of the 151 identified as positive on slit lamp examination. Sensitivity was 76.82% for Observer 2 with 116 videos correctly identified. The false positive rate was calculated as the number of videos graded positive for SVP that had been graded as negative on slit lamp examination. This was 10.74% for observer 1 and 31.40% for observer 2. CONCLUSION: This study demonstrates that SVP is detected by video ophthalmoscopy. This may be a useful triage, telemedicine and referral tool to be used for patients with headache in a primary care setting. |
format | Online Article Text |
id | pubmed-7006856 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2020 |
publisher | Dove |
record_format | MEDLINE/PubMed |
spelling | pubmed-70068562020-02-25 The Detection of Spontaneous Venous Pulsation with Smartphone Video Ophthalmoscopy Laurent, Charlotte Hong, Sheng Chiong Cheyne, Kirsten R Ogbuehi, Kelechi C Clin Ophthalmol Original Research PURPOSE: Spontaneous venous pulsation (SVP) has a high negative predictive value for raised intracranial pressure and is a useful sign when assessing patients with headache. The objective was to determine if smartphone-based video ophthalmoscopy can detect SVP. PATIENTS AND METHODS: In total 233 patients and 291 eyes were recruited from the Dunedin Hospital eye clinic from July to November 2018. Patients were examined by a clinician and graded for SVP with a slit lamp and 78 Dioptre lens. Videos were taken with a smartphone ophthalmoscope and graded by two separate clinicians blinded to the slit lamp findings. RESULTS: Only 272 eyes of 215 patients were included, as others failed in the inclusion criteria for overall video quality. Sensitivity was calculated as how likely the presence of SVP on video was indicative of the presence of SVP on slit lamp. Sensitivity was 84.77% for Observer 1, with 128 videos graded as positive for SVP on video ophthalmoscopy of the 151 identified as positive on slit lamp examination. Sensitivity was 76.82% for Observer 2 with 116 videos correctly identified. The false positive rate was calculated as the number of videos graded positive for SVP that had been graded as negative on slit lamp examination. This was 10.74% for observer 1 and 31.40% for observer 2. CONCLUSION: This study demonstrates that SVP is detected by video ophthalmoscopy. This may be a useful triage, telemedicine and referral tool to be used for patients with headache in a primary care setting. Dove 2020-02-03 /pmc/articles/PMC7006856/ /pubmed/32099318 http://dx.doi.org/10.2147/OPTH.S238897 Text en © 2020 Laurent et al. http://creativecommons.org/licenses/by-nc/3.0/ This work is published and licensed by Dove Medical Press Limited. The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License (http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. For permission for commercial use of this work, please see paragraphs 4.2 and 5 of our Terms (https://www.dovepress.com/terms.php). |
spellingShingle | Original Research Laurent, Charlotte Hong, Sheng Chiong Cheyne, Kirsten R Ogbuehi, Kelechi C The Detection of Spontaneous Venous Pulsation with Smartphone Video Ophthalmoscopy |
title | The Detection of Spontaneous Venous Pulsation with Smartphone Video Ophthalmoscopy |
title_full | The Detection of Spontaneous Venous Pulsation with Smartphone Video Ophthalmoscopy |
title_fullStr | The Detection of Spontaneous Venous Pulsation with Smartphone Video Ophthalmoscopy |
title_full_unstemmed | The Detection of Spontaneous Venous Pulsation with Smartphone Video Ophthalmoscopy |
title_short | The Detection of Spontaneous Venous Pulsation with Smartphone Video Ophthalmoscopy |
title_sort | detection of spontaneous venous pulsation with smartphone video ophthalmoscopy |
topic | Original Research |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7006856/ https://www.ncbi.nlm.nih.gov/pubmed/32099318 http://dx.doi.org/10.2147/OPTH.S238897 |
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