The effectiveness of optic nerve sheath diameter in predicting large vessel occlusion in ischemic stroke patients.

Medical ultrasonography Pub Date : 2024-10-25 DOI:10.11152/mu-4446

Vecdi Vahdet Çömez, Metin Yadigaroğlu, Hasan Doğan, Metin Ocak, Murat Güzel, Çetin Kürşad Akpınar, Murat Yücel

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Abstract

Aim: This study assessed the effectiveness of ultrasonography-measured optic nerve sheath diameter (ONSD) in predicting large vessel occlusion (LVO) in ischemic stroke patients.

Materials and methods: This single-center, prospective observational study involved patients presenting to the emergency department within 24 hours of symptom onset with moderate to severe stroke, and healthy volunteers.

Results: The study included 133 ischemic stroke patients and 63 healthy volunteers. The patient group had significantly higher right [5.8 (0.9)] and left [5.9 (0.8)] ONSD values compared to controls (right [5.7 (0.6)], left [5.7 (0.8)], p<0.001 for both). LVO was present in 58.6% (n = 78) of patients. Median right ONSD was 6.1 mm (0.8) in LVO patients vs. 5.7 mm (0.65) in non-LVO patients (p=0.002). Median left ONSD was 5.9 mm (0.9) in LVO patients vs. 5.7 mm (0.7) in non-LVO patients (p=0.002). A right ONSD ≥6 mm had 51.28% sensitivity and 78.18% specificity for LVO. A left ONSD ≥5.5 mm had 83.33% sensitivity and 40% specificity for LVO.

Conclusion: Elevated ONSD values measured by ultrasonography can effectively indicate LVO in stroke patients.

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视神经鞘直径预测缺血性脑卒中患者大血管闭塞的有效性。

目的：评价超声测量视神经鞘直径（ONSD）对缺血性脑卒中患者大血管闭塞（LVO）的预测价值。材料和方法：这项单中心、前瞻性观察性研究纳入了出现症状24小时内就诊于急诊科的中重度脑卒中患者和健康志愿者。结果：纳入缺血性脑卒中患者133例，健康志愿者63例。患者组右侧ONSD值[5.8(0.9)]、左侧ONSD值[5.9(0.8)]明显高于对照组右侧ONSD值[5.7(0.6)]、左侧ONSD值[5.7(0.8)]。结论：超声检测ONSD值升高可有效提示脑卒中患者LVO。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Medical ultrasonography

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