Evaluation of e-NIHSS scale combined with HINTS for posterior circulation ischemic stroke with vestibular symptoms
Objective:To explore the predictive value of HINTS bedside examination and e-NIHSS scale for posterior circulation ischemia with vestibular symptoms.Methods:136 cases in total patients with acute vestibular syndrome(AVS)hospitalized in our hospital from April 2021 to April 2023 were selected as the study subjects,According to the classification of AVS etiology,patients with central AVS,namely posterior circulation ischemia(PCI),were divided into case group(68 cases)and peripheral AVS patients were control group(68 cases),Collect data and perform head impulse test-nystagmus-test of skew deviation test beside the bed,two doctors evaluated the NIHSS and e-NIHSS scales for PCI patients with vestibular symptoms respecb tively,and recorded the results after they were consistent,and improved the head MRI examination.Results:The positive rate of head pulse test in PCI patients with vestibular symptoms was 3 cases(4.41％),and 60 cases(88.24％)with peripheral symp-toms;The positive rate of nystagmus test in PCI group was 64 cases(94.12％)and peripheral 21 cases(30.88％);The positive rate of eye deviation test in PCI group was 55 cases(80.88％)and peripheral 8 cases(11.76％).Comparing the data with the consistency of the final diagnosis,the sensitivity was 97.0％,the specificity was 95.7％,and the accuracy was 0.963.It passed the Kappa consistency test Kappa=0.926(P＜0.01).The pa-tients in PCI group were scored,in which the NIHSS score of brainstem group was 1.51±0.59,and the e-NIHSS score was 4.05±1.71(P＜0.05);The NIHSS score of cerebellar group was 1.42±0.62,and the e-NIHSS score was 3.86±1.59(P＜0.05);NIHSS score of thalamus group was 1.31±0.73,e-NIHSS score was 3.56±1.27(P＜0.05);NIHSS score of non-focus group was 1.11±0.43,e-NIHSS score was 3.06±1.20(P＜0.01).The difference between e-NIHSS score and NIHSS score in each group was statistically significant.Conclusion:HINTS examination is highly consistent with the final diagnosis of the gold standard.The e-NIHSS scoring scale has a higher detection rate than the NIHSS scoring scale for patients with posterior circulation ischemia mainly characterize by vestibular symptoms.
posterior-circulation ischemiaacute vestibular syndromehead impulse test-nystagmus-test of skewgaze evoked nystagmus
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