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- W2971306586 abstract "Background: Assessment of spontaneous venous pulsation (SVP) is commonly undertaken to help determine whether intracranial pressure (ICP) is elevated. Previous studies using direct ophthalmoscopy or slit-lamp assessments have found that SVP is not observed in 67%–81% of subjects with normal ICP, and that interobserver agreement when grading SVP is poor. Methods: Patients (n = 105) undergoing clinically indicated retinal OCT scans, who were all believed to have normal ICP, had 10-second infrared video recordings performed with the Heidelberg Spectralis OCT system (Heidelberg Engineering GmbH, Heidelberg, Germany). The presence and amplitude of SVP in each video was independently graded by 2 neuro-ophthalmologists. Results: The 2 observers found SVP present in 97% and 98% of right eyes and in one or both eyes in 99% and 100% of subjects. Interobserver agreement was high (Cohen's kappa 0.82 for right eyes). Optic discs with a smaller cup had a significantly lower SVP amplitude (Spearman's rho = 0.22, P = 0.02). Conclusions: Infrared video is widely available in eye clinics by the use of OCT imaging systems and is substantially more sensitive in detecting SVP than traditional assessments using ophthalmoscopy. SVP is absent in as few as 1% of people with presumed normal ICP." @default.
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- W2971306586 date "2020-06-01" @default.
- W2971306586 modified "2023-10-16" @default.
- W2971306586 title "Spontaneous Venous Pulsations Detected With Infrared Videography" @default.
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- W2971306586 doi "https://doi.org/10.1097/wno.0000000000000815" @default.
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