Use of Ultrasound-Measured Optic Nerve Sheath Diameter in the Emergency Department to Differentiate Hypertensive Emergency and Urgency

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Key Points

The study aims to assess the relationship between optic nerve sheath diameter and clinical severity in hypertensive patients in the emergency department.
Prospective, single-center, observational study involving adult hypertensive patients with suspected acute target organ damage.
Recorded demographic data, blood pressure, and optic nerve sheath diameter before and after treatment.
Analyzed associations between optic nerve sheath diameter, target organ damage, treatment response, and hospitalization.
A total of 113 hypertensive patients were studied.
Patients with target organ damage had significantly higher optic nerve sheath diameter values (4.88±0.76 mm) than those without (4.45±0.46 mm, p=0.007).
Significant decrease in optic nerve sheath diameter post-antihypertensive treatment was observed.

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Prospective study evaluates optic nerve sheath diameter for assessing hypertensive emergencies, indicating its potential clinical utility.

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Aldemir et al. (2026) studied this question.

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