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KING-DEVICK TEST PDF

Background The King-Devick (KD) test is an objective clinical test of eye movements that has been used to screen for concussion. , King-Devick Test. Patent-Pending. All Rights Reserved. Mayo and Mayo Clinic are registered trademarks owned by Mayo Foundation for. King-Devick Test identifies real-time concussion and asymptomatic concussion in youth athletes. Priya S. Dhawan, Danielle Leong, Lisa Tapsell, Amaal J.

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The King-Devick test as a determinant of head trauma and concussion in boxers and MMA fighters

Boxers were given standardized instructions for the K-D test. Received Sep 21; Accepted Nov Mil Med ; J Neurol Neurosurg Psychiatry ; Teet important aspect of evaluating a potential screening test is the correlation of scores with an established battery of tests that measure the construct under study.

To the extent that the K-D test captures saccadic eye movements among other important elements of rapid kig-devick naming, these data suggest that this quick screening test will be helpful in identifying kibg-devick with signs of concussion.

Standard and routine headgear and sparring-grade boxing gloves were worn. GalettaMS, J. Postfight testing was delayed by 30 to 60 minutes for 3 fighters due to nonhead injuries. Return-to-play criteria after athletic concussion: Consensus statement on concussion in sport: With the exception of one participant, all fighters and boxers were men.

The King-Devick test as a determinant of head trauma and concussion in boxers and MMA fighters

Correlations between postfight MACE scores as a continuous variable and K-D scores were also strong, thus providing preliminary evidence that K-D test scores reflect more global aspects of cognitive function in the setting of acute mild closed head injury and concussion. In other sports such as football, closed head injury and concussion could occur in the context of plays involving many individuals, and head trauma may not be as readily detected.

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Gregory S, Bissinger B. J Neuropathol Exp Neurol ; Sensitivity and specificity of standardized neurocognitive testing kung-devick following sports concussion. Thus, while structural neuroimaging techniques are insensitive to the effects of concussion, more advanced fMRI techniques have been able to document damage and to examine the window of metabolic brain vulnerability during which a second concussion could be even more dangerous.

For this cross-sectional study, boxers and MMA fighters were recruited and enrolled prior to sparring sessions and matches conducted in the Boston, MA, area. Brain Inj ; Following completion of the demonstration card upper leftsubjects are then asked to read each of the 3 test cards in the same manner. Am J Sports Med ; The K-D test includes one practice demonstration card and 3 test cards, as shown in figure 1. Am J Optom Physiol Optics ; Results of this study demonstrate that the K-D test is an accurate and reliable method for identifying athletes with head trauma, and is a strong candidate as a rapid sideline screening test for concussion.

Postfight K-D time scores were significantly higher worse for participants who had head trauma during the match Injury rates and risk king-devickk in competitive professional boxing. Testing procedures for MMA fighters. Since our study cohort consisted of boxers and MMA fighters, head trauma that occurred was observable and overt.

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Ongoing large-scale longitudinal studies of collegiate athletes are examining the relation of K-D test scores and changes in scores over the course of a season with ImPACT and other formal cognitive testing.

Tst order for the K-D test to be used effectively over time and to be administered by different testers, such as athletic trainers, the interrater and test-retest reliability of this measure must be assessed.

Corrections were made for near vision as needed. Neuropsychological impairment in amateur soccer players. Chronic traumatic brain injury in professional soccer players. The most dangerous game: King-dfvick levels of test-retest reliability were observed intraclass correlation coefficient 0.

Impaired eye movement function, particularly for those reflecting subcortical pathways, correlated well with severity of postconcussive symptoms and with limitation of activities of daily living.

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tst In another study, early eye movement function at 1 week was shown to predict development of postconcussion syndrome. Chronic traumatic encephalopathy in the National Football League. BranasPhD, M.

Concussion assessment and management. Electrophysiological abnormalities in well functioning multiple concussed patients. Data from this investigation demonstrate that the K-D test is an accurate and reliable method for identifying athletes with head trauma. Arch Neurol ; See commentary ” Sideline assessment of sports concussion:

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