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Pomona Large Vessel Occlusion Screening Tool for Prehospital and Emergency Room Settings.
Interventional Neurology Pub Date : 2018-02-13 , DOI: 10.1159/000486515
Kessarin Panichpisal 1 , Kenneth Nugent 2 , Maharaj Singh 3 , Richard Rovin 1 , Reji Babygirija 3 , Yogesh Moradiya 4 , Karen Tse-Chang 5 , Kimberly A Jones 5 , Katrina J Woolfolk 5 , Debbie Keasler 5 , Bhupat Desai 5 , Parinda Sakdanaraseth 6 , Paphavee Sakdanaraseth 7 , Alimohammad Moalem 8 , Nazli Janjua 5, 9
Affiliation  

BACKGROUND Early identification of patients with acute ischemic strokes due to large vessel occlusions (LVO) is critical. We propose a simple risk score model to predict LVO. METHOD The proposed scale (Pomona Scale) ranges from 0 to 3 and includes 3 items: gaze deviation, expressive aphasia, and neglect. We reviewed a cohort of all acute stroke activation patients between February 2014 and January 2016. The predictive performance of the Pomona Scale was determined and compared with several National Institutes of Health Stroke Scale (NIHSS) cutoffs (≥4, ≥6, ≥8, and ≥10), the Los Angeles Motor Scale (LAMS), the Cincinnati Prehospital Stroke Severity (CPSS) scale, the Vision Aphasia and Neglect Scale (VAN), and the Prehospital Acute Stroke Severity Scale (PASS). RESULTS LVO was detected in 94 of 776 acute stroke activations (12%). A Pomona Scale ≥2 had comparable accuracy to predict LVO as the VAN and CPSS scales and higher accuracy than Pomona Scale ≥1, LAMS, PASS, and NIHSS. A Pomona Scale ≥2 had an accuracy (area under the curve) of 0.79, a sensitivity of 0.86, a specificity of 0.70, a positive predictive value of 0.71, and a negative predictive value of 0.97 for the detection of LVO. We also found that the presence of either neglect or gaze deviation alone had comparable accuracy of 0.79 as Pomona Scale ≥2 to detect LVO. CONCLUSION The Pomona Scale is a simple and accurate scale to predict LVO. In addition, the presence of either gaze deviation or neglect also suggests the possibility of LVO.

中文翻译:

用于院前和急诊室设置的 Pomona 大血管闭塞筛查工具。

背景技术 早期识别因大血管闭塞 (LVO) 导致的急性缺血性卒中患者至关重要。我们提出了一个简单的风险评分模型来预测 LVO。方法 建议的量表(Pomona Scale)范围从0到3,包括3个项目:注视偏差、表达性失语和忽视。我们回顾了 2014 年 2 月至 2016 年 1 月期间所有急性卒中激活患者的队列。确定了 Pomona 量表的预测性能,并与几个美国国立卫生研究院卒中量表 (NIHSS) 临界值(≥4、≥6、≥8、和≥10)、洛杉矶运动量表 (LAMS)、辛辛那提院前卒中严重程度 (CPSS) 量表、视力失语和忽视量表 (VAN) 和院前急性卒中严重程度量表 (PASS)。结果 776 次急性卒中激活中有 94 次检测到 LVO(12%)。Pomona 量表≥2 具有与 VAN 和 CPSS 量表相当的预测 LVO 的准确度,并且比 Pomona 量表 ≥1、LAMS、PASS 和 NIHSS 的准确度更高。Pomona Scale ≥2 的 LVO 检测准确度(曲线下面积)为 0.79,敏感性为 0.86,特异性为 0.70,阳性预测值为 0.71,阴性预测值为 0.97。我们还发现,单独存在忽视或凝视偏差的准确度为 0.79,与 Pomona Scale ≥2 检测 LVO 的准确度相当。结论 Pomona 量表是一种简单而准确的预测 LVO 的量表。此外,凝视偏离或忽视的存在也表明 LVO 的可能性。Pomona Scale ≥2 的 LVO 检测准确度(曲线下面积)为 0.79,敏感性为 0.86,特异性为 0.70,阳性预测值为 0.71,阴性预测值为 0.97。我们还发现,单独存在忽视或凝视偏差的准确度为 0.79,与 Pomona Scale ≥2 检测 LVO 的准确度相当。结论 Pomona 量表是一种简单而准确的预测 LVO 的量表。此外,凝视偏离或忽视的存在也表明 LVO 的可能性。Pomona Scale ≥2 的 LVO 检测准确度(曲线下面积)为 0.79,敏感性为 0.86,特异性为 0.70,阳性预测值为 0.71,阴性预测值为 0.97。我们还发现,单独存在忽视或凝视偏差的准确度为 0.79,与 Pomona Scale ≥2 检测 LVO 的准确度相当。结论 Pomona 量表是一种简单而准确的预测 LVO 的量表。此外,凝视偏离或忽视的存在也表明 LVO 的可能性。结论 Pomona 量表是一种简单而准确的预测 LVO 的量表。此外,凝视偏离或忽视的存在也表明 LVO 的可能性。结论 Pomona 量表是一种简单而准确的预测 LVO 的量表。此外,凝视偏离或忽视的存在也表明 LVO 的可能性。
更新日期:2019-11-01
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