Title: Should We Use a Modified NIH Stroke Scale?<br/>Author: WanTsu Wendy Chang<br/><a href='http://umem.org/profiles/faculty/1322/'>[Click to email author]</a><hr/><p> </p> <div style="font-family:'Helvetica Neue';font-size:14px;"> <strong><span style="font-size:14px;">Should We Use a Modified NIH Stroke Scale?</span></strong></div> <div style="font-family:'Helvetica Neue';font-size:14px;"> </div> <ul style="font-family:'Helvetica Neue';font-size:14px;"> <li> <span style="font-size:14px;">The NIH Stroke Scale (NIHSS) is a widely used scale in assessing neurological deficits in stroke patients.</span></li> <li> <span style="font-size:14px;">It is a useful communication tool and is accurate in predicting clinical outcomes.</span></li> <li> <span style="font-size:14px;">However, it has been critiqued for its complexity and potential poor interrater reliability of certain items within the scale.</span></li> <li> <span style="font-size:14px;">Prior studies have suggested modifying or shortening the scale to 11, 8 or 5 items for use in stroke clinical trials or the prehospital setting.</span><span style="font-size:10px;"><sup>1,2,3</sup></span></li> </ul> <p> </p> <p> <span style="font-size:14px;">A recent study compared the original NIHSS with the shortened 11, 8, and 5 item versions.<sup><span style="font-size:10px;">4</span></sup></span></p> <ul style="font-family:'Helvetica Neue';font-size:14px;"> <li> <span style="font-size:14px;">They found the original NIHSS has higher discriminatory value and responsiveness to change as well as improved ability to predict clinical outcomes than shortened versions.</span></li> </ul> <p> </p> <p> <span style="font-size:14px;"><u><strong>Bottom Line</strong></u><strong>:</strong> The original 15-item NIHSS should still be used to evaluate patients’ stroke severity.</span></p> <p> <em><span style="font-size:14px;">The reliability of the NIHSS has been found to improve with personal and videotaped training.</span></em></p> <fieldset><legend>References</legend>
<ol style="font-family: 'Helvetica Neue'; font-size: 14px;"> <li> Lyden PD, Lu M, Levine SR, et al. A modified National Institutes of Health Stroke Scale for use in stroke clinical trials: preliminary reliability and validity. <i>Stroke</i>. 2001;32:1310-1317.</li> <li> Meyer BC, Hemmen TM, Jackson CM, et al. Modified National Institutes of Health Stroke Scale for use in stroke clinical trials: prospective reliability and validity. <i>Stroke.</i> 2002;33:1261-1266.</li> <li> Tirschwell DL, Longstreth WT, Becker KJ, et al. Shortening the NIH Stroke Scale for use in the prehospital setting. <i>Stroke</i>. 2002;33:2801-2806.</li> <li> Lee CF, Venketasubramanian N, Wong KS, et al. Comparison between the original and shortened versions of the National Institutes of Health Stroke Scale in ischemic stroke patients of intermediate severity. <i>Stroke</i> 2015 Dec 1 [epub ahead of print].</li> </ol> <p> </p> <p style="margin-left: 160px;"> <strong><em>Follow me on Twitter @ EM_NCC</em></strong></p> </fieldset>